initial code (#6)

* initial code commit

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: l3uddz

.github/workflows/build.yml

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+name: Build
+
+on:
+  push:
+    branches:
+      - '*'
+    tags:
+      - 'v*'
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - edited
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      # dependencies
+      - name: dependencies
+        run: |
+          curl -sfL https://install.goreleaser.com/github.com/goreleaser/goreleaser.sh | sudo sh -s -- -b /usr/local/bin
+
+      # checkout
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      # setup go
+      - name: go
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.15
+      - run: go version
+      - run: go env
+
+      # cache
+      - name: cache
+        uses: actions/cache@v1
+        with:
+          path: vendor
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      # vendor
+      - name: vendor
+        run: |
+          make vendor
+
+      # build
+      - name: build
+        if: startsWith(github.ref, 'refs/tags/') == false
+        run: |
+          make snapshot
+
+      # get tag name
+      - name: tag_name
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: little-core-labs/get-git-tag@v3.0.2
+        with:
+          tagRegex: "v?(.+)"
+
+      # publish
+      - name: publish
+        if: startsWith(github.ref, 'refs/tags/')
+        env:
+          TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_REF: ${{ github.ref }}
+        run: |
+          make publish
+
+      # artifacts
+      - name: artifact_linux
+        uses: actions/upload-artifact@v2-preview
+        with:
+          name: build_linux
+          path: dist/*linux*
+
+      - name: artifact_darwin
+        uses: actions/upload-artifact@v2-preview
+        with:
+          name: build_darwin
+          path: dist/*darwin*
+
+      - name: artifact_windows
+        uses: actions/upload-artifact@v2-preview
+        with:
+          name: build_windows
+          path: dist/*windows*
+
+      # docker build (latest & tag)
+      - name: docker - build latest
+        if: startsWith(github.ref, 'refs/tags/') == true
+        uses: docker/build-push-action@v1
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: docker.pkg.github.com
+          repository: l3uddz/nabarr/nabarr
+          dockerfile: docker/Dockerfile
+          tags: latest
+          tag_with_ref: true
+          tag_with_sha: true
+          always_pull: true
+
+      # docker build (master)
+      - name: docker - build master
+        if: github.ref == 'refs/heads/master'
+        uses: docker/build-push-action@v1
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: docker.pkg.github.com
+          repository: l3uddz/nabarr/nabarr
+          dockerfile: docker/Dockerfile
+          tags: master
+          tag_with_sha: true
+          always_pull: true
+
+      # docker build (branch)
+      - name: docker - build other
+        if: startsWith(github.ref, 'refs/heads/master') == false
+        uses: docker/build-push-action@v1
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: docker.pkg.github.com
+          repository: l3uddz/nabarr/nabarr
+          dockerfile: docker/Dockerfile
+          tag_with_ref: true
+          tag_with_sha: false
+          always_pull: true

.github/workflows/cleanup.yml

@@ -0,0 +1,54 @@
+name: Docker Cleanup
+
+on: delete
+
+jobs:
+  cleanup_branch:
+    if: startsWith(github.event.ref_type, 'branch') == true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Sanitize branch docker tag
+        uses: frabert/replace-string-action@master
+        id: dockertag
+        with:
+          pattern: '[:\.\/]+'
+          string: "${{ github.event.ref }}"
+          replace-with: '-'
+          flags: 'g'
+
+      - name: query for package version id
+        uses: octokit/graphql-action@v2.x
+        id: query_package_version
+        with:
+          query: |
+            query package($owner:String!,$repo:String!,$tag:String!) {
+              repository(owner: $owner, name: $repo) {
+                packages(names:[$repo], first:1) {
+                  edges {
+                    node {
+                      id,
+                      name,
+                      version(version: $tag) {
+                        id, version
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          owner: ${{ github.event.repository.owner.name }}
+          repo: ${{ github.event.repository.name }}
+          tag: ${{ steps.dockertag.outputs.replaced }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: parse package version id
+        id: package_version
+        run: echo "VERSION_ID=$(echo $json | jq -r $jsonpath)" >> $GITHUB_ENV
+        env:
+          json: ${{ steps.query_package_version.outputs.data }}
+          jsonpath: ".repository.packages.edges[].node.version.id"
+
+      - uses: actions/delete-package-versions@v1
+        with:
+          package-version-ids: '${{ env.VERSION_ID }}'

.goreleaser.yml

@@ -0,0 +1,45 @@
+# https://goreleaser.com
+project_name: nabarr
+
+# Build
+builds:
+  -
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+      - windows
+    main: ./cmd/nabarr
+    goarch:
+      - amd64
+    ldflags:
+      - -s -w
+      - -X "main.Version={{ .Version }}"
+      - -X "main.GitCommit={{ .ShortCommit }}"
+      - -X "main.Timestamp={{ .Timestamp }}"
+    flags:
+      - -trimpath
+
+# Archive
+archives:
+  -
+    name_template: "{{ .ProjectName }}_v{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+    format: "binary"
+
+# Checksum
+checksum:
+  name_template: "checksums.txt"
+  algorithm: sha512
+
+# Snapshot
+snapshot:
+  name_template: "{{ .Major }}.{{ .Minor }}.{{ .Patch }}-dev+{{ .ShortCommit }}"
+
+# Changelog
+changelog:
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+      - "^Merge branch"

Makefile

@@ -0,0 +1,55 @@
+.DEFAULT_GOAL  := build
+CMD            := nabarr
+TARGET         := $(shell go env GOOS)_$(shell go env GOARCH)
+DIST_PATH      := dist
+BUILD_PATH     := ${DIST_PATH}/${CMD}_${TARGET}
+GO_FILES       := $(shell find . -path ./vendor -prune -or -type f -name '*.go' -print)
+GIT_COMMIT     := $(shell git rev-parse --short HEAD)
+TIMESTAMP      := $(shell date +%s)
+VERSION        ?= 0.0.0-dev
+CGO            := 0
+
+# Deps
+.PHONY: check_goreleaser
+check_goreleaser:
+	@command -v goreleaser >/dev/null || (echo "goreleaser is required."; exit 1)
+
+.PHONY: vendor
+vendor: ## Vendor files and tidy go.mod
+	go mod vendor
+	go mod tidy
+
+.PHONY: vendor_update
+vendor_update: ## Update vendor dependencies
+	go get -u ./...
+	${MAKE} vendor
+
+.PHONY: build
+build: vendor ${BUILD_PATH}/${CMD} ## Build application
+
+# Binary
+${BUILD_PATH}/${CMD}: ${GO_FILES} go.sum
+	@echo "Building for ${TARGET}..." && \
+	mkdir -p ${BUILD_PATH} && \
+	CGO_ENABLED=${CGO} go build \
+		-mod vendor \
+		-trimpath \
+		-ldflags "-s -w -X main.Version=${VERSION} -X main.GitCommit=${GIT_COMMIT} -X main.Timestamp=${TIMESTAMP}" \
+		-o ${BUILD_PATH}/${CMD} \
+		./cmd/nabarr
+
+.PHONY: release
+release: check_goreleaser ## Generate a release, but don't publish
+	goreleaser --skip-validate --skip-publish --rm-dist
+
+.PHONY: publish
+publish: check_goreleaser ## Generate a release, and publish
+	goreleaser --rm-dist
+
+.PHONY: snapshot
+snapshot: check_goreleaser ## Generate a snapshot release
+	goreleaser --snapshot --skip-validate --skip-publish --rm-dist
+
+.PHONY: help
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

cache/cache.go

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+package cache
+
+import (
+	"context"
+	"fmt"
+	"github.com/l3uddz/nabarr/logger"
+	"github.com/lefelys/state"
+	"github.com/rs/zerolog"
+	"github.com/xujiajun/nutsdb"
+	"time"
+)
+
+type Client struct {
+	log zerolog.Logger
+
+	st state.State
+	db *nutsdb.DB
+}
+
+func New(path string) (*Client, error) {
+	db, err := nutsdb.Open(nutsdb.Options{
+		Dir:                  path,
+		EntryIdxMode:         nutsdb.HintKeyValAndRAMIdxMode,
+		SegmentSize:          8 * 1024 * 1024,
+		NodeNum:              1,
+		RWMode:               nutsdb.FileIO,
+		SyncEnable:           true,
+		StartFileLoadingMode: nutsdb.MMap,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("open: %w", err)
+	}
+
+	log := logger.New("trace").With().Logger()
+
+	// start cleaner
+	st, tail := state.WithShutdown()
+	ticker := time.NewTicker(24 * time.Hour)
+	go func() {
+		for {
+			select {
+			case <-tail.End():
+				ticker.Stop()
+				tail.Done()
+				return
+			case <-ticker.C:
+				// clean cache
+				err := db.Update(func(tx *nutsdb.Tx) error {
+					return db.Merge()
+				})
+
+				switch {
+				case err == nil:
+					log.Info().Msg("Cleaned cache")
+				case err.Error() == "the number of files waiting to be merged is at least 2":
+				// there were no data files to be merged
+				default:
+					// unexpected error
+					log.Error().
+						Err(err).
+						Msg("Failed cleaning cache")
+				}
+			}
+		}
+	}()
+
+	return &Client{
+		log: log,
+		st:  st,
+		db:  db,
+	}, nil
+}
+
+func (c *Client) Close() error {
+	// shutdown cleaner
+	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	defer cancel()
+	if err := c.st.Shutdown(ctx); err != nil {
+		c.log.Error().
+			Err(err).
+			Msg("Failed shutting down cache cleaner gracefully")
+	}
+
+	// close cache
+	return c.db.Close()
+}

cache/delete.go

@@ -0,0 +1,15 @@
+package cache
+
+import (
+	"fmt"
+	"github.com/xujiajun/nutsdb"
+)
+
+func (c *Client) Delete(bucket string, key string) error {
+	if err := c.db.Update(func(tx *nutsdb.Tx) error {
+		return tx.Delete(bucket, []byte(key))
+	}); err != nil {
+		return fmt.Errorf("%v: %v; delete: %w", bucket, key, err)
+	}
+	return nil
+}

cache/get.go

@@ -0,0 +1,22 @@
+package cache
+
+import (
+	"fmt"
+	"github.com/xujiajun/nutsdb"
+)
+
+func (c *Client) Get(bucket string, key string) ([]byte, error) {
+	var value []byte
+	if err := c.db.View(func(tx *nutsdb.Tx) error {
+		e, err := tx.Get(bucket, []byte(key))
+		if err != nil {
+			return fmt.Errorf("%v: %v; get: %w", bucket, key, err)
+		}
+		value = e.Value
+		return nil
+	}); err != nil {
+		return nil, err
+	}
+
+	return value, nil
+}

cache/put.go

@@ -0,0 +1,16 @@
+package cache
+
+import (
+	"fmt"
+	"github.com/xujiajun/nutsdb"
+	"time"
+)
+
+func (c *Client) Put(bucket string, key string, val []byte, ttl time.Duration) error {
+	if err := c.db.Update(func(tx *nutsdb.Tx) error {
+		return tx.Put(bucket, []byte(key), val, uint32(ttl.Seconds()))
+	}); err != nil {
+		return fmt.Errorf("%v: %v; put: %w", bucket, key, err)
+	}
+	return nil
+}

cmd/nabarr/config.go

@@ -0,0 +1,46 @@
+// +build !windows
+
+package main
+
+import (
+	"github.com/kirsle/configdir"
+	"golang.org/x/sys/unix"
+	"os"
+	"path/filepath"
+)
+
+func defaultConfigPath() string {
+	// get binary path
+	bp := getBinaryPath()
+	if dirIsWriteable(bp) == nil {
+		return bp
+	}
+
+	// binary path is not write-able, use alternative path
+	cp := configdir.LocalConfig("nabarr")
+	if _, err := os.Stat(cp); os.IsNotExist(err) {
+		if e := os.MkdirAll(cp, os.ModePerm); e != nil {
+			panic("failed to create nabarr config directory")
+		}
+	}
+
+	return cp
+}
+
+func getBinaryPath() string {
+	// get current binary path
+	dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
+	if err != nil {
+		// get current working dir
+		if dir, err = os.Getwd(); err != nil {
+			panic("failed to determine current binary location")
+		}
+	}
+
+	return dir
+}
+
+func dirIsWriteable(dir string) error {
+	// credits: https://stackoverflow.com/questions/20026320/how-to-tell-if-folder-exists-and-is-writable
+	return unix.Access(dir, unix.W_OK)
+}

cmd/nabarr/config_windows.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"github.com/kirsle/configdir"
+	"os"
+	"path/filepath"
+)
+
+func defaultConfigPath() string {
+	// get binary path
+	bp := getBinaryPath()
+	if dirIsWriteable(bp) == nil {
+		return bp
+	}
+
+	// binary path is not write-able, use alternative path
+	cp := configdir.LocalConfig("nabarr")
+	if _, err := os.Stat(cp); os.IsNotExist(err) {
+		if e := os.MkdirAll(cp, os.ModePerm); e != nil {
+			panic("failed to create nabarr config directory")
+		}
+	}
+
+	return cp
+}
+
+func getBinaryPath() string {
+	// get current binary path
+	dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
+	if err != nil {
+		// get current working dir
+		if dir, err = os.Getwd(); err != nil {
+			panic("failed to determine current binary location")
+		}
+	}
+
+	return dir
+}
+
+func dirIsWriteable(dir string) error {
+	// credits: https://stackoverflow.com/questions/20026320/how-to-tell-if-folder-exists-and-is-writable
+	info, err := os.Stat(dir)
+	if err != nil {
+		return errors.New("path does not exist")
+	}
+
+	if !info.IsDir() {
+		return errors.New("path is not a directory")
+	}
+
+	// Check if the user bit is enabled in file permission
+	if info.Mode().Perm()&(1<<(uint(7))) == 0 {
+		fmt.Println("Write permission bit is not set on this file for user")
+		return errors.New("write permission not set for user")
+	}
+
+	return nil
+}

cmd/nabarr/main.go

@@ -0,0 +1,244 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"github.com/alecthomas/kong"
+	"github.com/goccy/go-yaml"
+	"github.com/l3uddz/nabarr"
+	"github.com/l3uddz/nabarr/cache"
+	"github.com/l3uddz/nabarr/cmd/nabarr/pvr"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/l3uddz/nabarr/rss"
+	"github.com/l3uddz/nabarr/util"
+	"github.com/lefelys/state"
+	"github.com/natefinch/lumberjack"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+type config struct {
+	Media media.Config       `yaml:"media"`
+	Pvrs  []nabarr.PvrConfig `yaml:"pvrs"`
+	Rss   rss.Config         `yaml:"rss"`
+}
+
+var (
+	Version   string
+	Timestamp string
+	GitCommit string
+
+	// CLI
+	cli struct {
+		globals
+
+		// flags
+		Config    string `type:"path" default:"${config_file}" env:"APP_CONFIG" help:"Config file path"`
+		Cache     string `type:"path" default:"${cache_file}" env:"APP_CACHE" help:"Cache file path"`
+		Log       string `type:"path" default:"${log_file}" env:"APP_LOG" help:"Log file path"`
+		Verbosity int    `type:"counter" default:"0" short:"v" env:"APP_VERBOSITY" help:"Log level verbosity"`
+
+		// commands
+		Run  struct{} `cmd help:"Run"`
+		Test struct {
+			Pvr string `type:"string" required:"1" help:"PVR to test item against" placeholder:"sonarr"`
+			Id  string `type:"string" required:"1" help:"Metadata ID of item to test" placeholder:"tvdb:121361"`
+		} `cmd help:"Test your filters and stop"`
+	}
+)
+
+type globals struct {
+	Version versionFlag `name:"version" help:"Print version information and quit"`
+	Update  updateFlag  `name:"update" help:"Update if newer version is available and quit"`
+}
+
+func main() {
+	// cli
+	ctx := kong.Parse(&cli,
+		kong.Name("nabarr"),
+		kong.Description("Monitor newznab/torznab rss and add new media to sonarr/radarr"),
+		kong.UsageOnError(),
+		kong.ConfigureHelp(kong.HelpOptions{
+			Summary: true,
+			Compact: true,
+		}),
+		kong.Vars{
+			"version":     fmt.Sprintf("%s (%s@%s)", Version, GitCommit, Timestamp),
+			"config_file": filepath.Join(defaultConfigPath(), "config.yml"),
+			"cache_file":  filepath.Join(defaultConfigPath(), "cache"),
+			"log_file":    filepath.Join(defaultConfigPath(), "activity.log"),
+		},
+	)
+
+	if err := ctx.Validate(); err != nil {
+		fmt.Println("Failed parsing cli:", err)
+		return
+	}
+
+	if ctx.Command() == "test" && cli.Verbosity == 0 {
+		// default to debug verbosity in test mode
+		cli.Verbosity = 1
+	}
+
+	// logger
+	logger := log.Output(io.MultiWriter(zerolog.ConsoleWriter{
+		TimeFormat: time.Stamp,
+		Out:        os.Stderr,
+	}, zerolog.ConsoleWriter{
+		TimeFormat: time.Stamp,
+		Out: &lumberjack.Logger{
+			Filename:   cli.Log,
+			MaxSize:    5,
+			MaxAge:     14,
+			MaxBackups: 5,
+		},
+		NoColor: true,
+	}))
+
+	switch {
+	case cli.Verbosity == 1:
+		log.Logger = logger.Level(zerolog.DebugLevel)
+	case cli.Verbosity > 1:
+		log.Logger = logger.Level(zerolog.TraceLevel)
+	default:
+		log.Logger = logger.Level(zerolog.InfoLevel)
+	}
+
+	// config
+	log.Trace().Msg("Initialising config")
+	file, err := os.Open(cli.Config)
+	if err != nil {
+		log.Fatal().
+			Err(err).
+			Msg("Failed opening config")
+	}
+	defer file.Close()
+
+	cfg := config{}
+	decoder := yaml.NewDecoder(file, yaml.Strict())
+	err = decoder.Decode(&cfg)
+	if err != nil {
+		log.Error().Msg("Failed decoding configuration")
+		log.Fatal().
+			Msg(err.Error())
+	}
+
+	// cache
+	c, err := cache.New(cli.Cache)
+	if err != nil {
+		log.Fatal().
+			Err(err).
+			Msg("Failed initialising cache")
+	}
+	defer func() {
+		if err := c.Close(); err != nil {
+			log.Error().
+				Err(err).
+				Msg("Failed closing cache gracefully")
+		}
+	}()
+
+	// media
+	log.Trace().Msg("Initialising media")
+	m, err := media.New(&cfg.Media)
+	if err != nil {
+		log.Fatal().Err(err).Msg("Failed initialising media")
+	}
+
+	// states
+	pvrStates := make([]state.State, 0)
+	rssState := state.Empty()
+
+	// pvrs
+	log.Trace().Msg("Initialising pvrs")
+	cacheFiltersHash := ""
+	pvrs := make(map[string]pvr.PVR, 0)
+
+	for _, p := range cfg.Pvrs {
+		if ctx.Command() == "run" || (ctx.Command() == "test" && strings.EqualFold(cli.Test.Pvr, p.Name)) {
+			// init pvr
+			po, err := pvr.NewPVR(p, ctx.Command(), m, c)
+			if err != nil {
+				log.Fatal().
+					Err(err).
+					Str("pvr", p.Name).
+					Msg("Failed initialising pvr")
+			}
+
+			// start pvr processor
+			pvrStates = append(pvrStates, po.Start())
+
+			// add pvr to map
+			pvrs[p.Name] = po
+
+			// add cacheFiltersHash
+			cacheFiltersHash += util.AsSHA256(p.Filters)
+		}
+	}
+
+	// run mode (start rss scheduler and wait for shutdown signal)
+	if ctx.Command() == "run" {
+		// rss
+		log.Trace().Msg("Initialising rss")
+		r := rss.New(cfg.Rss, c, cacheFiltersHash, pvrs)
+		for _, feed := range cfg.Rss.Feeds {
+			if err := r.AddJob(feed); err != nil {
+				log.Fatal().
+					Err(err).
+					Msg("Failed initialising rss")
+			}
+		}
+		rssState = r.Start()
+
+		// wait for shutdown signal
+		waitShutdown()
+	} else {
+		// test mode
+		idParts := strings.Split(cli.Test.Id, ":")
+		if len(idParts) < 2 {
+			log.Fatal().
+				Str("id", cli.Test.Id).
+				Msg("An invalid id was provided")
+		}
+
+		// prepare test item
+		testItem := new(media.FeedItem)
+		switch strings.ToLower(idParts[0]) {
+		case "imdb":
+			testItem.Title = "Test.Mode.2021.BluRay.1080p.TrueHD.Atmos.7.1.AVC.HYBRID.REMUX-FraMeSToR"
+			testItem.ImdbId = idParts[1]
+		case "tvdb":
+			testItem.Title = "Test.Mode.S01E01.1080p.DTS-HD.MA.5.1.AVC.REMUX-FraMeSToR"
+			testItem.TvdbId = idParts[1]
+		default:
+			log.Fatal().
+				Str("agent", idParts[0]).
+				Str("id", idParts[1]).
+				Msg("Unsupported agent was provided")
+		}
+
+		// queue test item
+		for _, p := range pvrs {
+			p.QueueFeedItem(testItem)
+		}
+
+		// sleep for a moment
+		time.Sleep(1 * time.Second)
+	}
+
+	// shutdown
+	appCtx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	defer cancel()
+
+	appState := state.Merge(pvrStates...).DependsOn(rssState)
+	if err := appState.Shutdown(appCtx); err != nil {
+		log.Fatal().
+			Err(err).
+			Msg("Failed shutting down gracefully")
+	}
+}

cmd/nabarr/pvr/pvr.go

@@ -0,0 +1,32 @@
+package pvr
+
+import (
+	"errors"
+	"github.com/l3uddz/nabarr"
+	"github.com/l3uddz/nabarr/cache"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/l3uddz/nabarr/radarr"
+	"github.com/l3uddz/nabarr/sonarr"
+	"github.com/lefelys/state"
+	"strings"
+)
+
+type PVR interface {
+	Type() string
+	AddMediaItem(*media.Item) error
+	ShouldIgnore(*media.Item) (bool, string, error)
+	Start() state.State
+	QueueFeedItem(*media.FeedItem)
+}
+
+func NewPVR(c nabarr.PvrConfig, mode string, m *media.Client, cc *cache.Client) (PVR, error) {
+	// return pvr object
+	switch strings.ToLower(c.Type) {
+	case "sonarr":
+		return sonarr.New(c, mode, m, cc)
+	case "radarr":
+		return radarr.New(c, mode, m, cc)
+	}
+
+	return nil, errors.New("unknown pvr")
+}

cmd/nabarr/shutdown.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"github.com/rs/zerolog/log"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func waitShutdown() {
+	/* wait for shutdown signal */
+	quit := make(chan os.Signal, 1)
+
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+	<-quit
+	log.Warn().Msg("Shutting down...")
+}

cmd/nabarr/update.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"github.com/alecthomas/kong"
+	"github.com/blang/semver"
+	"github.com/rhysd/go-github-selfupdate/selfupdate"
+	"os"
+)
+
+type updateFlag string
+
+func (u updateFlag) Decode(ctx *kong.DecodeContext) error { return nil }
+func (u updateFlag) IsBool() bool                         { return true }
+func (u updateFlag) BeforeApply(app *kong.Kong, vars kong.Vars) error {
+	// parse current version
+	v, err := semver.Parse(Version)
+	if err != nil {
+		fmt.Printf("Failed parsing current build version: %v\n", err)
+		app.Exit(1)
+		return nil
+	}
+
+	// detect latest version
+	fmt.Println("Checking for the latest version...")
+	latest, found, err := selfupdate.DetectLatest("l3uddz/nabarr")
+	if err != nil {
+		fmt.Printf("Failed determining latest available version: %v\n", err)
+		app.Exit(1)
+		return nil
+	}
+
+	// check version
+	if !found || latest.Version.LTE(v) {
+		fmt.Printf("Already using the latest version: %v\n", Version)
+		app.Exit(0)
+		return nil
+	}
+
+	// ask update
+	fmt.Printf("Do you want to update to the latest version: %v? (y/n): ", latest.Version)
+	input, err := bufio.NewReader(os.Stdin).ReadString('\n')
+	if err != nil || (input != "y\n" && input != "n\n") {
+		fmt.Println("Failed validating input...")
+		app.Exit(1)
+		return nil
+	} else if input == "n\n" {
+		app.Exit(0)
+		return nil
+	}
+
+	// get existing executable path
+	exe, err := os.Executable()
+	if err != nil {
+		fmt.Printf("Failed locating current executable path: %v\n", err)
+		app.Exit(1)
+		return nil
+	}
+
+	if err := selfupdate.UpdateTo(latest.AssetURL, exe); err != nil {
+		fmt.Printf("Failed updating existing binary to latest release: %v\n", err)
+		app.Exit(1)
+		return nil
+	}
+
+	fmt.Printf("Successfully updated to the latest version: %v\n", latest.Version)
+
+	app.Exit(0)
+	return nil
+}

cmd/nabarr/version.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+	"github.com/alecthomas/kong"
+)
+
+type versionFlag string
+
+func (v versionFlag) Decode(ctx *kong.DecodeContext) error { return nil }
+func (v versionFlag) IsBool() bool                         { return true }
+func (v versionFlag) BeforeApply(app *kong.Kong, vars kong.Vars) error {
+	fmt.Println(vars["version"])
+	app.Exit(0)
+	return nil
+}

docker/Dockerfile

@@ -0,0 +1,17 @@
+FROM sc4h/alpine-s6overlay:3.12
+
+ENV \
+  PATH="/app/nabarr:${PATH}" \
+  APP_CONFIG="/config/config.yml" \
+  APP_CACHE="/config/cache" \
+  APP_LOG="/config/activity.log" \
+  APP_VERBOSITY="0"
+
+# Binary
+COPY ["dist/nabarr_linux_amd64/nabarr", "/app/nabarr/nabarr"]
+
+# Add root files
+COPY ["docker/run", "/etc/services.d/nabarr/run"]
+
+# Volume
+VOLUME ["/config"]

docker/run

@@ -0,0 +1,3 @@
+#!/usr/bin/with-contenv sh
+
+exec s6-setuidgid abc /app/nabarr/nabarr run

go.mod

@@ -0,0 +1,30 @@
+module github.com/l3uddz/nabarr
+
+go 1.14
+
+require (
+	github.com/alecthomas/kong v0.2.12
+	github.com/antonmedv/expr v1.8.9
+	github.com/blang/semver v3.5.1+incompatible
+	github.com/goccy/go-yaml v1.8.8
+	github.com/golang/protobuf v1.4.3 // indirect
+	github.com/kirsle/configdir v0.0.0-20170128060238-e45d2f54772f
+	github.com/lefelys/state v1.1.0
+	github.com/lucperkins/rek v0.1.3
+	github.com/natefinch/lumberjack v2.0.0+incompatible
+	github.com/pkg/errors v0.9.1
+	github.com/rhysd/go-github-selfupdate v1.2.3
+	github.com/robfig/cron/v3 v3.0.1
+	github.com/rs/zerolog v1.20.0
+	github.com/stretchr/testify v1.7.0 // indirect
+	github.com/ulikunitz/xz v0.5.10 // indirect
+	github.com/xujiajun/nutsdb v0.5.0
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/ratelimit v0.1.0
+	golang.org/x/net v0.0.0-20210119194325-5f4716e94777 // indirect
+	golang.org/x/oauth2 v0.0.0-20210201163806-010130855d6c // indirect
+	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
+	google.golang.org/appengine v1.6.7 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)

go.sum

@@ -0,0 +1,509 @@
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logger/logger.go

@@ -0,0 +1,19 @@
+package logger
+
+import (
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+func New(verbosity string) zerolog.Logger {
+	if verbosity == "" {
+		return log.Logger
+	}
+
+	level, err := zerolog.ParseLevel(verbosity)
+	if err != nil {
+		return log.Logger
+	}
+
+	return log.Level(level)
+}

media/client.go

@@ -0,0 +1,34 @@
+package media
+
+import (
+	"fmt"
+	"github.com/l3uddz/nabarr/logger"
+	"github.com/l3uddz/nabarr/media/omdb"
+	"github.com/l3uddz/nabarr/media/trakt"
+	"github.com/rs/zerolog"
+)
+
+type Client struct {
+	trakt *trakt.Client
+	omdb  *omdb.Client
+
+	log zerolog.Logger
+}
+
+func New(cfg *Config) (*Client, error) {
+	// trakt
+	if cfg.Trakt.ClientId == "" {
+		return nil, fmt.Errorf("trakt: no client_id specified")
+	}
+	t := trakt.New(&cfg.Trakt)
+
+	// omdb
+	o := omdb.New(&cfg.Omdb)
+
+	return &Client{
+		trakt: t,
+		omdb:  o,
+
+		log: logger.New(cfg.Verbosity).With().Logger(),
+	}, nil
+}

media/config.go

@@ -0,0 +1,13 @@
+package media
+
+import (
+	"github.com/l3uddz/nabarr/media/omdb"
+	"github.com/l3uddz/nabarr/media/trakt"
+)
+
+type Config struct {
+	Trakt trakt.Config `yaml:"trakt"`
+	Omdb  omdb.Config  `yaml:"omdb"`
+
+	Verbosity string `yaml:"verbosity,omitempty"`
+}

media/error.go

@@ -0,0 +1,7 @@
+package media
+
+import "errors"
+
+var (
+	ErrItemNotFound = errors.New("not found")
+)

media/movie.go

@@ -0,0 +1,58 @@
+package media
+
+import (
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/media/trakt"
+	"strconv"
+	"time"
+)
+
+func (c *Client) GetMovieInfo(item *FeedItem) (*Item, error) {
+	// lookup on trakt
+	t, err := c.trakt.GetMovie(item.ImdbId)
+	if err != nil {
+		if errors.Is(err, trakt.ErrItemNotFound) {
+			return nil, fmt.Errorf("trakt: get movie: movie with imdbId %q: %w", item.ImdbId, ErrItemNotFound)
+		}
+		return nil, fmt.Errorf("trakt: get movie: movie with imdbId %q: %w", item.ImdbId, err)
+	}
+
+	// transform trakt info
+	date, err := time.Parse("2006-01-02", t.Released)
+	if err != nil {
+		date = time.Time{}
+	}
+
+	mi := &Item{
+		TvdbId:    "",
+		TmdbId:    strconv.Itoa(t.Ids.Tmdb),
+		ImdbId:    t.Ids.Imdb,
+		Slug:      t.Ids.Slug,
+		Title:     t.Title,
+		FeedTitle: item.Title,
+		Summary:   t.Overview,
+		Country:   []string{t.Country},
+		Network:   "",
+		Date:      date,
+		Year:      date.Year(),
+		Runtime:   t.Runtime,
+		Rating:    t.Rating,
+		Votes:     t.Votes,
+		Status:    t.Status,
+		Genres:    t.Genres,
+		Languages: []string{t.Language},
+	}
+
+	// omdb
+	if oi, err := c.omdb.GetItem(t.Ids.Imdb); err != nil {
+		c.log.Debug().
+			Err(err).
+			Str("imdb_id", t.Ids.Imdb).
+			Msg("Item was not found on omdb")
+	} else if oi != nil {
+		mi.Omdb = *oi
+	}
+
+	return mi, nil
+}

media/omdb/config.go

@@ -0,0 +1,7 @@
+package omdb
+
+type Config struct {
+	ApiKey string `yaml:"api_key"`
+
+	Verbosity string `yaml:"verbosity,omitempty"`
+}

media/omdb/media.go

@@ -0,0 +1,72 @@
+package omdb
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/util"
+	"github.com/lucperkins/rek"
+	"net/url"
+	"strings"
+)
+
+var (
+	ErrItemNotFound = errors.New("not found")
+)
+
+func (c *Client) GetItem(imdbId string) (*Item, error) {
+	// empty item when appropriate
+	if c.apiKey == "" || imdbId == "" {
+		return nil, nil
+	}
+
+	// prepare request
+	reqUrl, err := util.URLWithQuery(c.apiURL, url.Values{
+		"apikey": []string{c.apiKey},
+		"i":      []string{imdbId}})
+	if err != nil {
+		return nil, fmt.Errorf("generate lookup request url: %w", err)
+	}
+
+	c.log.Trace().
+		Str("url", reqUrl).
+		Msg("Searching omdb")
+
+	// send request
+	c.rl.Take()
+	resp, err := rek.Get(reqUrl, rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return nil, fmt.Errorf("request lookup: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate lookup response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new(lookupResponse)
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode lookup response: %w", err)
+	}
+
+	if b.Title == "" {
+		return nil, fmt.Errorf("item with imdbId: %v: %w", imdbId, ErrItemNotFound)
+	}
+
+	// transform response
+	rt := 0
+	for _, rating := range b.Ratings {
+		if strings.EqualFold(rating.Source, "Rotten Tomatoes") {
+			rt = util.Atoi(strings.TrimSuffix(rating.Value, "%"), 0)
+			break
+		}
+	}
+
+	return &Item{
+		Metascore:      util.Atoi(b.Metascore, 0),
+		RottenTomatoes: rt,
+		ImdbRating:     util.Atof64(b.ImdbRating, 0.0),
+	}, nil
+}

media/omdb/omdb.go

@@ -0,0 +1,28 @@
+package omdb
+
+import (
+	"github.com/l3uddz/nabarr/logger"
+	"github.com/rs/zerolog"
+	"go.uber.org/ratelimit"
+	"time"
+)
+
+type Client struct {
+	apiKey string
+	log    zerolog.Logger
+	rl     ratelimit.Limiter
+
+	apiURL     string
+	apiTimeout time.Duration
+}
+
+func New(cfg *Config) *Client {
+	return &Client{
+		apiKey: cfg.ApiKey,
+		log:    logger.New(cfg.Verbosity).With().Logger(),
+		rl:     ratelimit.New(1, ratelimit.WithoutSlack),
+
+		apiURL:     "https://www.omdbapi.com",
+		apiTimeout: 30 * time.Second,
+	}
+}

media/omdb/struct.go

@@ -0,0 +1,40 @@
+package omdb
+
+type rating struct {
+	Source string `json:"Source,omitempty"`
+	Value  string `json:"Value,omitempty"`
+}
+
+type lookupResponse struct {
+	Title      string   `json:"Title,omitempty"`
+	Year       string   `json:"Year,omitempty"`
+	Rated      string   `json:"Rated,omitempty"`
+	Released   string   `json:"Released,omitempty"`
+	Runtime    string   `json:"Runtime,omitempty"`
+	Genre      string   `json:"Genre,omitempty"`
+	Director   string   `json:"Director,omitempty"`
+	Writer     string   `json:"Writer,omitempty"`
+	Actors     string   `json:"Actors,omitempty"`
+	Plot       string   `json:"Plot,omitempty"`
+	Language   string   `json:"Language,omitempty"`
+	Country    string   `json:"Country,omitempty"`
+	Awards     string   `json:"Awards,omitempty"`
+	Poster     string   `json:"Poster,omitempty"`
+	Ratings    []rating `json:"Ratings,omitempty"`
+	Metascore  string   `json:"Metascore,omitempty"`
+	ImdbRating string   `json:"imdbRating,omitempty"`
+	ImdbVotes  string   `json:"imdbVotes,omitempty"`
+	ImdbID     string   `json:"imdbID,omitempty"`
+	Type       string   `json:"Type,omitempty"`
+	DVD        string   `json:"DVD,omitempty"`
+	BoxOffice  string   `json:"BoxOffice,omitempty"`
+	Production string   `json:"Production,omitempty"`
+	Website    string   `json:"Website,omitempty"`
+	Response   string   `json:"Response,omitempty"`
+}
+
+type Item struct {
+	Metascore      int     `json:"Metascore,omitempty"`
+	RottenTomatoes int     `json:"RottenTomatoes,omitempty"`
+	ImdbRating     float64 `json:"ImdbRating,omitempty"`
+}

media/show.go

@@ -0,0 +1,53 @@
+package media
+
+import (
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/media/trakt"
+	"strconv"
+)
+
+func (c *Client) GetShowInfo(item *FeedItem) (*Item, error) {
+	// lookup on trakt
+	t, err := c.trakt.GetShow(item.TvdbId)
+	if err != nil {
+		if errors.Is(err, trakt.ErrItemNotFound) {
+			return nil, fmt.Errorf("trakt: get show: show with tvdbId %q: %w", item.TvdbId, ErrItemNotFound)
+		}
+		return nil, fmt.Errorf("trakt: get show: show with tvdbId %q: %w", item.TvdbId, err)
+	}
+
+	// transform trakt info to MediaItem
+	mi := &Item{
+		TvdbId:        strconv.Itoa(t.Ids.Tvdb),
+		TmdbId:        strconv.Itoa(t.Ids.Tmdb),
+		ImdbId:        t.Ids.Imdb,
+		Slug:          t.Ids.Slug,
+		Title:         t.Title,
+		FeedTitle:     item.Title,
+		Summary:       t.Overview,
+		Country:       []string{t.Country},
+		Network:       t.Network,
+		Date:          t.FirstAired,
+		Year:          t.FirstAired.Year(),
+		Runtime:       t.Runtime,
+		Rating:        t.Rating,
+		Votes:         t.Votes,
+		Status:        t.Status,
+		Genres:        t.Genres,
+		Languages:     []string{t.Language},
+		AiredEpisodes: t.AiredEpisodes,
+	}
+
+	// omdb
+	if oi, err := c.omdb.GetItem(t.Ids.Imdb); err != nil {
+		c.log.Debug().
+			Err(err).
+			Str("imdb_id", t.Ids.Imdb).
+			Msg("Item was not found on omdb")
+	} else if oi != nil {
+		mi.Omdb = *oi
+	}
+
+	return mi, nil
+}

media/struct.go

@@ -0,0 +1,95 @@
+package media
+
+import (
+	"encoding/xml"
+	"github.com/l3uddz/nabarr/media/omdb"
+	"github.com/pkg/errors"
+	"time"
+)
+
+type Item struct {
+	TvdbId        string    `json:"TvdbId,omitempty"`
+	TmdbId        string    `json:"TmdbId,omitempty"`
+	ImdbId        string    `json:"ImdbId,omitempty"`
+	Slug          string    `json:"Slug,omitempty"`
+	FeedTitle     string    `json:"FeedTitle,omitempty"`
+	Title         string    `json:"Title,omitempty"`
+	Summary       string    `json:"Summary,omitempty"`
+	Country       []string  `json:"Country,omitempty"`
+	Network       string    `json:"Network,omitempty"`
+	Date          time.Time `json:"Date"`
+	Year          int       `json:"Year,omitempty"`
+	Runtime       int       `json:"Runtime,omitempty"`
+	Rating        float64   `json:"Rating,omitempty"`
+	Votes         int       `json:"Votes,omitempty"`
+	Status        string    `json:"Status,omitempty"`
+	Genres        []string  `json:"Genres,omitempty"`
+	Languages     []string  `json:"Languages,omitempty"`
+	AiredEpisodes int       `json:"AiredEpisodes,omitempty"`
+
+	// additional media provider data
+	Omdb omdb.Item `json:"Omdb,omitempty"`
+}
+
+type Rss struct {
+	Channel struct {
+		Items []FeedItem `xml:"item"`
+	} `xml:"channel"`
+}
+
+type FeedItem struct {
+	Title    string `xml:"title,omitempty"`
+	Category string `xml:"category,omitempty"`
+	GUID     string `xml:"guid,omitempty"`
+	PubDate  Time   `xml:"pubDate,omitempty"`
+
+	// set by processor
+	Feed string
+
+	// attributes
+	Language string
+	TvdbId   string `xml:"tvdb,omitempty"`
+	TvMazeId string
+	ImdbId   string `xml:"imdb,omitempty"`
+
+	Attributes []struct {
+		XMLName xml.Name
+		Name    string `xml:"name,attr"`
+		Value   string `xml:"value,attr"`
+	} `xml:"attr"`
+}
+
+// Time credits: https://github.com/mrobinsn/go-newznab/blob/cd89d9c56447859fa1298dc9a0053c92c45ac7ef/newznab/structs.go#L150
+type Time struct {
+	time.Time
+}
+
+func (t *Time) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if err := e.EncodeToken(start); err != nil {
+		return errors.Wrap(err, "failed to encode xml token")
+	}
+	if err := e.EncodeToken(xml.CharData([]byte(t.UTC().Format(time.RFC1123Z)))); err != nil {
+		return errors.Wrap(err, "failed to encode xml token")
+	}
+	if err := e.EncodeToken(xml.EndElement{Name: start.Name}); err != nil {
+		return errors.Wrap(err, "failed to encode xml token")
+	}
+	return nil
+}
+
+func (t *Time) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	var raw string
+
+	err := d.DecodeElement(&raw, &start)
+	if err != nil {
+		return err
+	}
+	date, err := time.Parse(time.RFC1123Z, raw)
+
+	if err != nil {
+		return err
+	}
+
+	*t = Time{date}
+	return nil
+}

media/trakt/config.go

@@ -0,0 +1,7 @@
+package trakt
+
+type Config struct {
+	ClientId string `yaml:"client_id"`
+
+	Verbosity string `yaml:"verbosity,omitempty"`
+}

media/trakt/media.go

@@ -0,0 +1,96 @@
+package trakt
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/util"
+	"github.com/lucperkins/rek"
+	"net/url"
+)
+
+var (
+	ErrItemNotFound = errors.New("not found")
+)
+
+func (c *Client) GetShow(tvdbId string) (*Show, error) {
+	// prepare request
+	reqUrl, err := util.URLWithQuery(util.JoinURL(c.apiURL, fmt.Sprintf("/search/tvdb/%s", tvdbId)),
+		url.Values{
+			"type":     []string{"show"},
+			"extended": []string{"full"}})
+	if err != nil {
+		return nil, fmt.Errorf("generate lookup show request url: %w", err)
+	}
+
+	c.log.Trace().
+		Str("url", reqUrl).
+		Msg("Searching trakt")
+
+	// send request
+	c.rl.Take()
+	resp, err := rek.Get(reqUrl, rek.Headers(c.getAuthHeaders()), rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return nil, fmt.Errorf("request show: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate show response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new([]struct{ Show Show })
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode show response: %w", err)
+	}
+
+	if len(*b) < 1 {
+		return nil, ErrItemNotFound
+	}
+
+	// translate response
+	return &(*b)[0].Show, nil
+}
+
+func (c *Client) GetMovie(imdbId string) (*Movie, error) {
+	// prepare request
+	reqUrl, err := util.URLWithQuery(util.JoinURL(c.apiURL, fmt.Sprintf("/search/imdb/%s", imdbId)),
+		url.Values{
+			"type":     []string{"movie"},
+			"extended": []string{"full"}})
+	if err != nil {
+		return nil, fmt.Errorf("generate lookup movie request url: %w", err)
+	}
+
+	c.log.Trace().
+		Str("url", reqUrl).
+		Msg("Searching trakt")
+
+	// send request
+	c.rl.Take()
+	resp, err := rek.Get(reqUrl, rek.Headers(c.getAuthHeaders()), rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return nil, fmt.Errorf("request movie: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate movie response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new([]struct{ Movie Movie })
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode movie response: %w", err)
+	}
+
+	if len(*b) < 1 {
+		return nil, ErrItemNotFound
+	}
+
+	// translate response
+	return &(*b)[0].Movie, nil
+}

media/trakt/struct.go

@@ -0,0 +1,67 @@
+package trakt
+
+import (
+	"time"
+)
+
+type ShowIds struct {
+	Trakt int    `json:"trakt"`
+	Slug  string `json:"slug"`
+	Tvdb  int    `json:"tvdb"`
+	Imdb  string `json:"imdb"`
+	Tmdb  int    `json:"tmdb"`
+}
+
+type MovieIds struct {
+	Trakt int    `json:"trakt"`
+	Slug  string `json:"slug"`
+	Imdb  string `json:"imdb"`
+	Tmdb  int    `json:"tmdb"`
+}
+
+type Show struct {
+	Type                  string    `json:"type"`
+	Title                 string    `json:"title"`
+	Year                  int       `json:"year"`
+	Ids                   ShowIds   `json:"ids"`
+	Overview              string    `json:"overview"`
+	FirstAired            time.Time `json:"first_aired"`
+	Runtime               int       `json:"runtime"`
+	Certification         string    `json:"certification"`
+	Network               string    `json:"network"`
+	Country               string    `json:"country"`
+	Trailer               string    `json:"trailer"`
+	Homepage              string    `json:"homepage"`
+	Status                string    `json:"status"`
+	Rating                float64   `json:"rating"`
+	Votes                 int       `json:"votes"`
+	CommentCount          int       `json:"comment_count"`
+	Language              string    `json:"language"`
+	AvailableTranslations []string  `json:"available_translations"`
+	Genres                []string  `json:"genres"`
+	AiredEpisodes         int       `json:"aired_episodes"`
+	Character             string    `json:"character"`
+}
+
+type Movie struct {
+	Type                  string   `json:"type"`
+	Title                 string   `json:"title"`
+	Year                  int      `json:"year"`
+	Ids                   MovieIds `json:"ids"`
+	Tagline               string   `json:"tagline"`
+	Overview              string   `json:"overview"`
+	Released              string   `json:"released"`
+	Runtime               int      `json:"runtime"`
+	Country               string   `json:"country"`
+	Trailer               string   `json:"trailer"`
+	Homepage              string   `json:"homepage"`
+	Status                string   `json:"status"`
+	Rating                float64  `json:"rating"`
+	Votes                 int      `json:"votes"`
+	CommentCount          int      `json:"comment_count"`
+	Language              string   `json:"language"`
+	AvailableTranslations []string `json:"available_translations"`
+	Genres                []string `json:"genres"`
+	Certification         string   `json:"certification"`
+	Character             string   `json:"character"`
+}

media/trakt/trakt.go

@@ -0,0 +1,35 @@
+package trakt
+
+import (
+	"github.com/l3uddz/nabarr/logger"
+	"github.com/rs/zerolog"
+	"go.uber.org/ratelimit"
+	"time"
+)
+
+type Client struct {
+	clientId string
+	log      zerolog.Logger
+	rl       ratelimit.Limiter
+
+	apiURL     string
+	apiTimeout time.Duration
+}
+
+func New(cfg *Config) *Client {
+	return &Client{
+		clientId: cfg.ClientId,
+		log:      logger.New(cfg.Verbosity).With().Logger(),
+		rl:       ratelimit.New(1, ratelimit.WithoutSlack),
+
+		apiURL:     "https://api.trakt.tv",
+		apiTimeout: 30 * time.Second,
+	}
+}
+
+func (c *Client) getAuthHeaders() map[string]string {
+	return map[string]string{
+		"trakt-api-key":     c.clientId,
+		"trakt-api-version": "2",
+	}
+}

nabarr.go

@@ -0,0 +1,48 @@
+package nabarr
+
+import (
+	"github.com/antonmedv/expr/vm"
+	"github.com/l3uddz/nabarr/media"
+	"time"
+)
+
+type ExprProgram struct {
+	expression string
+	Program    *vm.Program
+}
+
+func (p *ExprProgram) String() string {
+	return p.expression
+}
+
+func NewExprProgram(expression string, vm *vm.Program) *ExprProgram {
+	return &ExprProgram{
+		expression: expression,
+		Program:    vm,
+	}
+}
+
+type ExprEnv struct {
+	media.Item
+	Now func() time.Time
+}
+
+func NewExprEnv(media *media.Item) *ExprEnv {
+	return &ExprEnv{
+		Item: *media,
+		Now:  func() time.Time { return time.Now().UTC() },
+	}
+}
+
+func StringOrDefault(currentValue *string, defaultValue string) string {
+	if currentValue == nil {
+		return defaultValue
+	}
+	return *currentValue
+}
+func Uint64OrDefault(currentValue *uint64, defaultValue uint64) uint64 {
+	if currentValue == nil {
+		return defaultValue
+	}
+	return *currentValue
+}

pvr.go

@@ -0,0 +1,19 @@
+package nabarr
+
+import "time"
+
+type PvrConfig struct {
+	Name           string        `yaml:"name"`
+	Type           string        `yaml:"type"`
+	URL            string        `yaml:"url"`
+	ApiKey         string        `yaml:"api_key"`
+	QualityProfile string        `yaml:"quality_profile"`
+	RootFolder     string        `yaml:"root_folder"`
+	Filters        PvrFilters    `yaml:"filters"`
+	CacheDuration  time.Duration `yaml:"cache_duration"`
+	Verbosity      string        `yaml:"verbosity,omitempty"`
+}
+
+type PvrFilters struct {
+	Ignores []string
+}

radarr/api.go

@@ -0,0 +1,159 @@
+package radarr
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/l3uddz/nabarr/util"
+	"github.com/lucperkins/rek"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+var (
+	ErrItemNotFound = errors.New("not found")
+)
+
+func (c *Client) getSystemStatus() (*systemStatus, error) {
+	// send request
+	resp, err := rek.Get(util.JoinURL(c.apiURL, "/system/status"), rek.Headers(c.apiHeaders),
+		rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return nil, fmt.Errorf("request system status: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate system status response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new(systemStatus)
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode system status response: %w", err)
+	}
+
+	return b, nil
+}
+
+func (c *Client) getQualityProfileId(profileName string) (int, error) {
+	// send request
+	resp, err := rek.Get(util.JoinURL(c.apiURL, "/profile"), rek.Headers(c.apiHeaders),
+		rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return 0, fmt.Errorf("request quality profiles: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return 0, fmt.Errorf("validate quality profiles response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new([]qualityProfile)
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return 0, fmt.Errorf("decode quality profiles response: %w", err)
+	}
+
+	// find quality profile
+	for _, profile := range *b {
+		if strings.EqualFold(profile.Name, profileName) {
+			return profile.Id, nil
+		}
+	}
+
+	return 0, errors.New("quality profile not found")
+}
+
+func (c *Client) lookupMediaItem(item *media.Item) (*lookupRequest, error) {
+	// determine metadata id to use
+	mdType := "imdb"
+	mdId := item.ImdbId
+
+	if item.TmdbId != "" && item.TmdbId != "0" {
+		// radarr prefers tmdb
+		mdType = "tmdb"
+		mdId = item.TmdbId
+	}
+
+	// prepare request
+	reqUrl, err := util.URLWithQuery(util.JoinURL(c.apiURL, "/movie/lookup"),
+		url.Values{"term": []string{fmt.Sprintf("%s:%s", mdType, mdId)}})
+	if err != nil {
+		return nil, fmt.Errorf("generate movie lookup request url: %w", err)
+	}
+
+	// send request
+	resp, err := rek.Get(reqUrl, rek.Headers(c.apiHeaders), rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return nil, fmt.Errorf("request movie lookup: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate movie lookup response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new([]lookupRequest)
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode movie lookup response: %w", err)
+	}
+
+	// find movie
+	for _, s := range *b {
+		switch mdType {
+		case "tmdb":
+			if strconv.Itoa(s.TmdbId) == item.TmdbId {
+				return &s, nil
+			}
+		default:
+			if s.ImdbId == item.ImdbId {
+				return &s, nil
+			}
+		}
+	}
+
+	return nil, fmt.Errorf("movie lookup %sId: %v: %w", mdType, mdId, ErrItemNotFound)
+}
+
+func (c *Client) AddMediaItem(item *media.Item) error {
+	// prepare request
+	req := addRequest{
+		Title:               item.Title,
+		TitleSlug:           item.Slug,
+		Year:                item.Year,
+		QualityProfileId:    c.qualityProfileId,
+		Images:              []string{},
+		Monitored:           true,
+		RootFolderPath:      c.rootFolder,
+		MinimumAvailability: "released",
+		AddOptions: addOptions{
+			SearchForMovie:             true,
+			IgnoreEpisodesWithFiles:    false,
+			IgnoreEpisodesWithoutFiles: false,
+		},
+		TmdbId: util.Atoi(item.TmdbId, 0),
+		ImdbId: item.ImdbId,
+	}
+
+	// send request
+	resp, err := rek.Post(util.JoinURL(c.apiURL, "/movie"), rek.Headers(c.apiHeaders), rek.Json(req),
+		rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return fmt.Errorf("request add movie: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 && resp.StatusCode() != 201 {
+		return fmt.Errorf("validate add movie response: %s", resp.Status())
+	}
+
+	return nil
+}

radarr/expression.go

@@ -0,0 +1,47 @@
+package radarr
+
+import (
+	"fmt"
+	"github.com/antonmedv/expr"
+	"github.com/l3uddz/nabarr"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/pkg/errors"
+)
+
+func (c *Client) compileExpressions(filters nabarr.PvrFilters) error {
+	exprEnv := &nabarr.ExprEnv{}
+
+	// compile ignores
+	for _, ignoreExpr := range filters.Ignores {
+		program, err := expr.Compile(ignoreExpr, expr.Env(exprEnv), expr.AsBool())
+		if err != nil {
+			return fmt.Errorf("ignore expression: %v: %w", ignoreExpr, err)
+		}
+
+		c.ignoresExpr = append(c.ignoresExpr, nabarr.NewExprProgram(ignoreExpr, program))
+	}
+
+	return nil
+}
+
+func (c *Client) ShouldIgnore(mediaItem *media.Item) (bool, string, error) {
+	exprItem := nabarr.NewExprEnv(mediaItem)
+
+	for _, expression := range c.ignoresExpr {
+		result, err := expr.Run(expression.Program, exprItem)
+		if err != nil {
+			return true, expression.String(), fmt.Errorf("checking ignore expression: %w", err)
+		}
+
+		expResult, ok := result.(bool)
+		if !ok {
+			return true, expression.String(), errors.New("type assert ignore expression result")
+		}
+
+		if expResult {
+			return true, expression.String(), nil
+		}
+	}
+
+	return false, "", nil
+}

radarr/queue.go

@@ -0,0 +1,228 @@
+package radarr
+
+import (
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/lefelys/state"
+)
+
+func (c *Client) QueueFeedItem(item *media.FeedItem) {
+	c.queue <- item
+}
+
+func (c *Client) Start() state.State {
+	st, tail := state.WithShutdown()
+	go c.queueProcessor(tail)
+	return st
+}
+
+func (c *Client) queueProcessor(tail state.ShutdownTail) {
+	for {
+		select {
+		case <-tail.End():
+			// shutdown
+			tail.Done()
+			return
+		case feedItem := <-c.queue:
+			// stop processing
+			if feedItem == nil {
+				tail.Done()
+				return
+			}
+
+			// validate item has required id(s)
+			if feedItem.ImdbId == "" {
+				continue
+			}
+
+			// check cache / add item to cache
+			pvrCacheBucket := fmt.Sprintf("pvr_%s_%s", c.Type(), c.name)
+			cacheKey := fmt.Sprintf("imdb_%s", feedItem.ImdbId)
+			if !c.testMode {
+				// not running in test mode, so use cache
+				if cacheValue, err := c.cache.Get(pvrCacheBucket, cacheKey); err == nil {
+					// item already exists in the cache
+					switch string(cacheValue) {
+					case c.name:
+						// perm cache entry, item exists in the pvr
+						continue
+					case c.cacheFiltersHash:
+						// temp cache entry, item recently checked with the same filters
+						continue
+					}
+				}
+
+				// insert temp cache entry
+				if err := c.cache.Put(pvrCacheBucket, cacheKey, []byte(c.cacheFiltersHash), c.cacheTempDuration); err != nil {
+					c.log.Error().
+						Err(err).
+						Msg("Failed storing item in temp cache")
+				}
+			}
+
+			// get media info
+			mediaItem, err := c.m.GetMovieInfo(feedItem)
+			if err != nil {
+				if errors.Is(err, media.ErrItemNotFound) {
+					c.log.Debug().
+						Err(err).
+						Str("feed_title", feedItem.Title).
+						Str("feed_imdb_id", feedItem.ImdbId).
+						Str("feed_name", feedItem.Feed).
+						Msg("Item was not found on trakt")
+					continue
+				}
+
+				c.log.Error().
+					Err(err).
+					Str("feed_title", feedItem.Title).
+					Str("feed_imdb_id", feedItem.ImdbId).
+					Str("feed_name", feedItem.Feed).
+					Msg("Failed finding item on trakt")
+				continue
+			}
+
+			if c.testMode {
+				c.log.Debug().
+					Interface("trakt_item", mediaItem).
+					Msg("Item found on trakt")
+			}
+
+			// validate tmdbId was found
+			if mediaItem.TmdbId == "" || mediaItem.TmdbId == "0" {
+				c.log.Warn().
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("feed_imdb_id", feedItem.ImdbId).
+					Str("feed_name", feedItem.Feed).
+					Msg("Item had no tmdbId on trakt")
+				continue
+			}
+
+			// trakt expression check
+			ignore, filter, err := c.ShouldIgnore(mediaItem)
+			if err != nil {
+				c.log.Error().
+					Err(err).
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_imdb_id", mediaItem.ImdbId).
+					Str("feed_name", feedItem.Feed).
+					Str("ignore_filter", filter).
+					Msg("Failed checking item against ignore filters")
+				continue
+			}
+
+			if ignore {
+				c.log.Debug().
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_imdb_id", mediaItem.ImdbId).
+					Str("feed_name", feedItem.Feed).
+					Str("ignore_filter", filter).
+					Msg("Item matched ignore filters")
+				continue
+			}
+
+			// lookup item in pvr
+			s, err := c.lookupMediaItem(mediaItem)
+			if err != nil {
+				if errors.Is(err, ErrItemNotFound) {
+					// the item was not found
+					c.log.Warn().
+						Err(err).
+						Str("feed_title", mediaItem.FeedTitle).
+						Str("feed_imdb_id", feedItem.ImdbId).
+						Str("feed_name", feedItem.Feed).
+						Msg("Item was not found via pvr lookup")
+					continue
+				}
+
+				c.log.Error().
+					Err(err).
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("feed_imdb_id", feedItem.ImdbId).
+					Str("feed_name", feedItem.Feed).
+					Msg("Failed finding item via pvr lookup")
+			}
+
+			if s.Id > 0 {
+				// item already existed in pvr
+				c.log.Debug().
+					Str("pvr_title", s.Title).
+					Int("pvr_year", s.Year).
+					Str("pvr_imdb_id", s.ImdbId).
+					Int("pvr_tmdb_id", s.TmdbId).
+					Str("feed_name", feedItem.Feed).
+					Msg("Item already existed in pvr")
+
+				// add item to perm cache (items already in pvr)
+				if !c.testMode {
+					if err := c.cache.Put(pvrCacheBucket, cacheKey, []byte(c.name), 0); err != nil {
+						c.log.Error().
+							Err(err).
+							Msg("Failed storing item in perm cache")
+					}
+				}
+				continue
+			}
+
+			// add item to pvr
+			c.log.Debug().
+				Str("feed_title", mediaItem.FeedTitle).
+				Str("trakt_title", mediaItem.Title).
+				Str("trakt_imdb_id", mediaItem.ImdbId).
+				Str("trakt_tmdb_id", mediaItem.TmdbId).
+				Int("trakt_year", mediaItem.Year).
+				Str("feed_name", feedItem.Feed).
+				Msg("Sending item to pvr")
+
+			if s.TitleSlug != "" {
+				// use slug from pvr search
+				mediaItem.Slug = s.TitleSlug
+			}
+
+			if c.testMode {
+				c.log.Info().
+					Err(err).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_imdb_id", mediaItem.ImdbId).
+					Str("trakt_tmdb_id", mediaItem.TmdbId).
+					Int("trakt_year", mediaItem.Year).
+					Str("feed_name", feedItem.Feed).
+					Msg("Added item (test mode)")
+				continue
+			}
+
+			if err := c.AddMediaItem(mediaItem); err != nil {
+				c.log.Error().
+					Err(err).
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_imdb_id", mediaItem.ImdbId).
+					Str("trakt_tmdb_id", mediaItem.TmdbId).
+					Int("trakt_year", mediaItem.Year).
+					Str("feed_name", feedItem.Feed).
+					Msg("Failed adding item to pvr")
+			}
+
+			// add item to perm cache (item was added to pvr)
+			if !c.testMode {
+				if err := c.cache.Put(pvrCacheBucket, cacheKey, []byte(c.name), 0); err != nil {
+					c.log.Error().
+						Err(err).
+						Msg("Failed storing item in perm cache")
+				}
+			}
+
+			c.log.Info().
+				Err(err).
+				Str("trakt_title", mediaItem.Title).
+				Str("trakt_imdb_id", mediaItem.ImdbId).
+				Str("trakt_tmdb_id", mediaItem.TmdbId).
+				Int("trakt_year", mediaItem.Year).
+				Str("feed_name", feedItem.Feed).
+				Msg("Added item")
+		}
+	}
+}

radarr/radarr.go

@@ -0,0 +1,110 @@
+package radarr
+
+import (
+	"fmt"
+	"github.com/l3uddz/nabarr"
+	"github.com/l3uddz/nabarr/cache"
+	"github.com/l3uddz/nabarr/logger"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/l3uddz/nabarr/util"
+	"github.com/rs/zerolog"
+	"strings"
+	"time"
+)
+
+type Client struct {
+	pvrType  string
+	name     string
+	testMode bool
+
+	rootFolder       string
+	qualityProfileId int
+
+	apiURL     string
+	apiHeaders map[string]string
+	apiTimeout time.Duration
+
+	cache             *cache.Client
+	cacheTempDuration time.Duration
+	cacheFiltersHash  string
+
+	queue chan *media.FeedItem
+
+	m           *media.Client
+	log         zerolog.Logger
+	ignoresExpr []*nabarr.ExprProgram
+}
+
+func New(c nabarr.PvrConfig, mode string, m *media.Client, cc *cache.Client) (*Client, error) {
+	l := logger.New(c.Verbosity).With().
+		Str("pvr_name", c.Name).
+		Str("pvr_type", c.Type).
+		Logger()
+
+	// set config defaults (if not set)
+	if c.CacheDuration == 0 {
+		c.CacheDuration = 24 * time.Hour
+	}
+
+	// set api url
+	apiURL := ""
+	if strings.Contains(strings.ToLower(c.URL), "/api") {
+		apiURL = c.URL
+	} else {
+		apiURL = util.JoinURL(c.URL, "/api")
+	}
+
+	// set api headers
+	apiHeaders := map[string]string{
+		"X-Api-Key": c.ApiKey,
+	}
+
+	// create client
+	cl := &Client{
+		pvrType:  "radarr",
+		name:     strings.ToLower(c.Name),
+		testMode: strings.EqualFold(mode, "test"),
+
+		rootFolder: c.RootFolder,
+
+		cache:             cc,
+		cacheTempDuration: c.CacheDuration,
+		cacheFiltersHash:  util.AsSHA256(c.Filters),
+
+		queue: make(chan *media.FeedItem, 1024),
+
+		apiURL:     apiURL,
+		apiHeaders: apiHeaders,
+		apiTimeout: 60 * time.Second,
+
+		m:   m,
+		log: l,
+	}
+
+	// compile expressions
+	if err := cl.compileExpressions(c.Filters); err != nil {
+		return nil, fmt.Errorf("compile expressions: %w", err)
+	}
+
+	// validate api access
+	ss, err := cl.getSystemStatus()
+	if err != nil {
+		return nil, fmt.Errorf("validate api: %w", err)
+	}
+
+	// get quality profile
+	if qid, err := cl.getQualityProfileId(c.QualityProfile); err != nil {
+		return nil, fmt.Errorf("get quality profile: %v: %w", c.QualityProfile, err)
+	} else {
+		cl.qualityProfileId = qid
+	}
+
+	cl.log.Info().
+		Str("pvr_version", ss.Version).
+		Msg("Initialised")
+	return cl, nil
+}
+
+func (c *Client) Type() string {
+	return c.pvrType
+}

radarr/struct.go

@@ -0,0 +1,39 @@
+package radarr
+
+type systemStatus struct {
+	Version string
+}
+
+type qualityProfile struct {
+	Name string
+	Id   int
+}
+
+type lookupRequest struct {
+	Id        int    `json:"id,omitempty"`
+	Title     string `json:"title"`
+	TitleSlug string `json:"titleSlug"`
+	Year      int    `json:"year,omitempty"`
+	ImdbId    string `json:"imdbId"`
+	TmdbId    int    `json:"tmdbId"`
+}
+
+type addRequest struct {
+	Title               string     `json:"title"`
+	TitleSlug           string     `json:"titleSlug"`
+	Year                int        `json:"year"`
+	QualityProfileId    int        `json:"qualityProfileId"`
+	Images              []string   `json:"images"`
+	Monitored           bool       `json:"monitored"`
+	RootFolderPath      string     `json:"rootFolderPath"`
+	MinimumAvailability string     `json:"minimumAvailability"`
+	AddOptions          addOptions `json:"addOptions"`
+	TmdbId              int        `json:"tmdbId,omitempty"`
+	ImdbId              string     `json:"imdbId,omitempty"`
+}
+
+type addOptions struct {
+	SearchForMovie             bool `json:"searchForMovie"`
+	IgnoreEpisodesWithFiles    bool `json:"ignoreEpisodesWithFiles"`
+	IgnoreEpisodesWithoutFiles bool `json:"ignoreEpisodesWithoutFiles"`
+}

rss/job.go

@@ -0,0 +1,88 @@
+package rss
+
+import (
+	"fmt"
+	"github.com/l3uddz/nabarr/cmd/nabarr/pvr"
+	"github.com/robfig/cron/v3"
+	"time"
+)
+
+func (c *Client) AddJob(feed feedItem) error {
+	// prepare job
+	if feed.Cron == "" {
+		feed.Cron = "*/15 * * * *"
+	}
+
+	if feed.CacheDuration == 0 {
+		feed.CacheDuration = (24 * time.Hour) * 28
+	}
+
+	// create job
+	job := &rssJob{
+		name: feed.Name,
+		log:  c.log.With().Str("feed_name", feed.Name).Logger(),
+		url:  feed.URL,
+		pvrs: make(map[string]pvr.PVR, 0),
+
+		attempts: 0,
+		errors:   make([]error, 0),
+
+		cron:             c.cron,
+		cache:            c.cache,
+		cacheDuration:    feed.CacheDuration,
+		cacheFiltersHash: c.cacheFiltersHash,
+	}
+
+	// add pvrs
+	for _, p := range feed.Pvrs {
+		po, exists := c.pvrs[p]
+		if !exists {
+			return fmt.Errorf("pvr object does not exist: %v", p)
+		}
+		job.pvrs[p] = po
+	}
+
+	// schedule job
+	if id, err := c.cron.AddJob(feed.Cron, cron.NewChain(
+		cron.SkipIfStillRunning(cron.DiscardLogger)).Then(job),
+	); err != nil {
+		return fmt.Errorf("add job: %w", err)
+	} else {
+		job.jobID = id
+	}
+
+	job.log.Info().Msg("Initialised")
+	return nil
+}
+
+func (j *rssJob) Run() {
+	// increase attempt counter
+	j.attempts++
+
+	// run job
+	err := j.process()
+
+	// handle job response
+	switch {
+	case err == nil:
+		// job completed successfully
+		j.attempts = 0
+		j.errors = j.errors[:0]
+		return
+
+	default:
+		j.log.Warn().
+			Err(err).
+			Int("attempts", j.attempts).
+			Msg("Unexpected error occurred")
+		j.errors = append(j.errors, err)
+	}
+
+	if j.attempts > 5 {
+		j.log.Error().
+			Errs("error", j.errors).
+			Int("attempts", j.attempts).
+			Msg("Consecutive errors occurred while refreshing rss, job has been stopped...")
+		j.cron.Remove(j.jobID)
+	}
+}

rss/process.go

@@ -0,0 +1,136 @@
+package rss
+
+import (
+	"encoding/xml"
+	"fmt"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/lucperkins/rek"
+	"sort"
+	"strings"
+	"time"
+)
+
+func (j *rssJob) process() error {
+	// retrieve feed items
+	j.log.Debug().Msg("Refreshing")
+	items, err := j.getFeed()
+	if err != nil {
+		return fmt.Errorf("get feed: %w", err)
+	}
+
+	// add feed items to pvrs
+	if len(items) == 0 {
+		j.log.Debug().Msg("Refreshed, no items to queue")
+		return nil
+	}
+
+	for p, _ := range items {
+		j.queueItemWithPvrs(&items[p])
+	}
+
+	j.log.Info().
+		Int("count", len(items)).
+		Msg("Queued items")
+	return nil
+}
+
+func (j *rssJob) queueItemWithPvrs(item *media.FeedItem) {
+	for _, pvr := range j.pvrs {
+		switch {
+		case item.TvdbId != "" && pvr.Type() == "sonarr":
+			// tvdbId is present, queue with sonarr
+			pvr.QueueFeedItem(item)
+		case item.ImdbId != "" && pvr.Type() == "radarr":
+			// imdbId is present, queue with radarr
+			pvr.QueueFeedItem(item)
+		}
+	}
+}
+
+func (j *rssJob) getFeed() ([]media.FeedItem, error) {
+	// request feed
+	res, err := rek.Get(j.url, rek.Timeout(30*time.Minute))
+	if err != nil {
+		return nil, fmt.Errorf("request feed: %w", err)
+	}
+	defer res.Body().Close()
+
+	// validate response
+	if res.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate response: %s", res.Status())
+	}
+
+	// decode response
+	b := new(media.Rss)
+	if err := xml.NewDecoder(res.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode feed: %w", err)
+	}
+
+	// prepare result
+	items := make([]media.FeedItem, 0)
+	if len(b.Channel.Items) < 1 {
+		return items, nil
+	}
+
+	// sort response items
+	sort.SliceStable(b.Channel.Items, func(i, j int) bool {
+		return b.Channel.Items[i].PubDate.After(b.Channel.Items[j].PubDate.Time)
+	})
+
+	// process feed items
+	for p, i := range b.Channel.Items {
+		// ignore items
+		if i.GUID == "" {
+			// items must always have a guid
+			continue
+		}
+
+		// guid seen before?
+		cacheKey := fmt.Sprintf("%s_%s", j.name, i.GUID)
+		if cacheValue, err := j.cache.Get(j.name, cacheKey); err == nil {
+			if string(cacheValue) == j.cacheFiltersHash {
+				// item has been seen before and the filters have not changed
+				continue
+			}
+			// item has been seen, however the filters have changed since it was last seen, re-process
+		}
+
+		// process feed item attributes
+		for _, a := range i.Attributes {
+			switch strings.ToLower(a.Name) {
+			case "language":
+				b.Channel.Items[p].Language = a.Value
+			case "tvdb", "tvdbid":
+				b.Channel.Items[p].TvdbId = a.Value
+			case "imdb", "imdbid":
+				if strings.HasPrefix(a.Value, "tt") {
+					b.Channel.Items[p].ImdbId = a.Value
+				} else {
+					b.Channel.Items[p].ImdbId = fmt.Sprintf("tt%s", a.Value)
+				}
+			}
+		}
+
+		// validate item
+		switch {
+		case b.Channel.Items[p].TvdbId == "", b.Channel.Items[p].TvdbId == "0":
+			continue
+		case b.Channel.Items[p].ImdbId == "":
+			continue
+		}
+
+		// add validated item for processing
+		b.Channel.Items[p].Feed = j.name
+		items = append(items, b.Channel.Items[p])
+
+		// add item to temp cache (to prevent re-processing)
+		if err := j.cache.Put(j.name, cacheKey, []byte(j.cacheFiltersHash), j.cacheDuration); err != nil {
+			j.log.Error().
+				Err(err).
+				Str("guid", i.GUID).
+				Msg("Failed storing item in temp cache")
+		}
+	}
+
+	return items, nil
+}

rss/rss.go

@@ -0,0 +1,62 @@
+package rss
+
+import (
+	"github.com/l3uddz/nabarr/cache"
+	"github.com/l3uddz/nabarr/cmd/nabarr/pvr"
+	"github.com/l3uddz/nabarr/logger"
+	"github.com/lefelys/state"
+	"github.com/robfig/cron/v3"
+	"github.com/rs/zerolog"
+	"time"
+)
+
+type Client struct {
+	cron             *cron.Cron
+	cache            *cache.Client
+	cacheFiltersHash string
+	pvrs             map[string]pvr.PVR
+
+	log zerolog.Logger
+}
+
+func New(c Config, cc *cache.Client, cfh string, pvrs map[string]pvr.PVR) *Client {
+	return &Client{
+		cron: cron.New(cron.WithChain(
+			cron.Recover(cron.DefaultLogger),
+		)),
+		cache:            cc,
+		cacheFiltersHash: cfh,
+		pvrs:             pvrs,
+
+		log: logger.New(c.Verbosity).With().Logger(),
+	}
+}
+
+func (c *Client) Start() state.State {
+	c.cron.Start()
+
+	st, tail := state.WithShutdown()
+	ticker := time.NewTicker(1 * time.Second)
+
+	go func() {
+		for {
+			select {
+			case <-tail.End():
+				ticker.Stop()
+
+				// shutdown cron
+				ctx := c.cron.Stop()
+				select {
+				case <-ctx.Done():
+				case <-time.After(5 * time.Second):
+				}
+
+				tail.Done()
+				return
+			case <-ticker.C:
+			}
+		}
+	}()
+
+	return st
+}

rss/struct.go

@@ -0,0 +1,39 @@
+package rss
+
+import (
+	"github.com/l3uddz/nabarr/cache"
+	"github.com/l3uddz/nabarr/cmd/nabarr/pvr"
+	"github.com/robfig/cron/v3"
+	"github.com/rs/zerolog"
+	"time"
+)
+
+type feedItem struct {
+	Name          string        `yaml:"name"`
+	URL           string        `yaml:"url"`
+	Cron          string        `yaml:"cron"`
+	CacheDuration time.Duration `yaml:"cache_duration"`
+	Pvrs          []string      `yaml:"pvrs"`
+}
+
+type Config struct {
+	Feeds []feedItem `yaml:"feeds"`
+
+	Verbosity string `yaml:"verbosity,omitempty"`
+}
+
+type rssJob struct {
+	name string
+	log  zerolog.Logger
+	url  string
+	pvrs map[string]pvr.PVR
+
+	attempts int
+	errors   []error
+
+	cron             *cron.Cron
+	cache            *cache.Client
+	cacheDuration    time.Duration
+	cacheFiltersHash string
+	jobID            cron.EntryID
+}

sonarr/api.go

@@ -0,0 +1,149 @@
+package sonarr
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/l3uddz/nabarr/util"
+	"github.com/lucperkins/rek"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+var (
+	ErrItemNotFound = errors.New("not found")
+)
+
+func (c *Client) getSystemStatus() (*systemStatus, error) {
+	// send request
+	resp, err := rek.Get(util.JoinURL(c.apiURL, "/system/status"), rek.Headers(c.apiHeaders),
+		rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return nil, fmt.Errorf("request system status: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate system status response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new(systemStatus)
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode system status response: %w", err)
+	}
+
+	return b, nil
+}
+
+func (c *Client) getQualityProfileId(profileName string) (int, error) {
+	// send request
+	resp, err := rek.Get(util.JoinURL(c.apiURL, "/profile"), rek.Headers(c.apiHeaders),
+		rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return 0, fmt.Errorf("request quality profiles: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return 0, fmt.Errorf("validate quality profiles response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new([]qualityProfile)
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return 0, fmt.Errorf("decode quality profiles response: %w", err)
+	}
+
+	// find quality profile
+	for _, profile := range *b {
+		if strings.EqualFold(profile.Name, profileName) {
+			return profile.Id, nil
+		}
+	}
+
+	return 0, errors.New("quality profile not found")
+}
+
+func (c *Client) lookupMediaItem(item *media.Item) (*lookupRequest, error) {
+	// prepare request
+	reqUrl, err := util.URLWithQuery(util.JoinURL(c.apiURL, "/series/lookup"),
+		url.Values{"term": []string{fmt.Sprintf("tvdb:%s", item.TvdbId)}})
+	if err != nil {
+		return nil, fmt.Errorf("generate series lookup request url: %w", err)
+	}
+
+	// send request
+	resp, err := rek.Get(reqUrl, rek.Headers(c.apiHeaders), rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return nil, fmt.Errorf("request series lookup: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 {
+		return nil, fmt.Errorf("validate series lookup response: %s", resp.Status())
+	}
+
+	// decode response
+	b := new([]lookupRequest)
+	if err := json.NewDecoder(resp.Body()).Decode(b); err != nil {
+		return nil, fmt.Errorf("decode series lookup response: %w", err)
+	}
+
+	// find series
+	for _, s := range *b {
+		if strconv.Itoa(s.TvdbId) == item.TvdbId {
+			return &s, nil
+		}
+	}
+
+	return nil, fmt.Errorf("series lookup tvdbId: %v: %w", item.TvdbId, ErrItemNotFound)
+}
+
+func (c *Client) AddMediaItem(item *media.Item) error {
+	// prepare request
+	tvdbId, err := strconv.Atoi(item.TvdbId)
+	if err != nil {
+		return fmt.Errorf("converting tvdb id to int: %q", item.TvdbId)
+	}
+
+	req := addRequest{
+		Title:            item.Title,
+		TitleSlug:        item.Slug,
+		Year:             item.Year,
+		QualityProfileId: c.qualityProfileId,
+		Images:           []string{},
+		Tags:             []string{},
+		Monitored:        true,
+		RootFolderPath:   c.rootFolder,
+		AddOptions: addOptions{
+			SearchForMissingEpisodes:   true,
+			IgnoreEpisodesWithFiles:    false,
+			IgnoreEpisodesWithoutFiles: false,
+		},
+		Seasons:      []string{},
+		SeriesType:   "standard",
+		SeasonFolder: true,
+		TvdbId:       tvdbId,
+	}
+
+	// send request
+	resp, err := rek.Post(util.JoinURL(c.apiURL, "/series"), rek.Headers(c.apiHeaders), rek.Json(req),
+		rek.Timeout(c.apiTimeout))
+	if err != nil {
+		return fmt.Errorf("request add series: %w", err)
+	}
+	defer resp.Body().Close()
+
+	// validate response
+	if resp.StatusCode() != 200 && resp.StatusCode() != 201 {
+		return fmt.Errorf("validate add series response: %s", resp.Status())
+	}
+
+	return nil
+}

sonarr/expression.go

@@ -0,0 +1,47 @@
+package sonarr
+
+import (
+	"fmt"
+	"github.com/antonmedv/expr"
+	"github.com/l3uddz/nabarr"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/pkg/errors"
+)
+
+func (c *Client) compileExpressions(filters nabarr.PvrFilters) error {
+	exprEnv := &nabarr.ExprEnv{}
+
+	// compile ignores
+	for _, ignoreExpr := range filters.Ignores {
+		program, err := expr.Compile(ignoreExpr, expr.Env(exprEnv), expr.AsBool())
+		if err != nil {
+			return fmt.Errorf("ignore expression: %v: %w", ignoreExpr, err)
+		}
+
+		c.ignoresExpr = append(c.ignoresExpr, nabarr.NewExprProgram(ignoreExpr, program))
+	}
+
+	return nil
+}
+
+func (c *Client) ShouldIgnore(mediaItem *media.Item) (bool, string, error) {
+	exprItem := nabarr.NewExprEnv(mediaItem)
+
+	for _, expression := range c.ignoresExpr {
+		result, err := expr.Run(expression.Program, exprItem)
+		if err != nil {
+			return true, expression.String(), fmt.Errorf("checking ignore expression: %w", err)
+		}
+
+		expResult, ok := result.(bool)
+		if !ok {
+			return true, expression.String(), errors.New("type assert ignore expression result")
+		}
+
+		if expResult {
+			return true, expression.String(), nil
+		}
+	}
+
+	return false, "", nil
+}

sonarr/queue.go

@@ -0,0 +1,213 @@
+package sonarr
+
+import (
+	"errors"
+	"fmt"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/lefelys/state"
+)
+
+func (c *Client) QueueFeedItem(item *media.FeedItem) {
+	c.queue <- item
+}
+
+func (c *Client) Start() state.State {
+	st, tail := state.WithShutdown()
+	go c.queueProcessor(tail)
+	return st
+}
+
+func (c *Client) queueProcessor(tail state.ShutdownTail) {
+	for {
+		select {
+		case <-tail.End():
+			// shutdown
+			tail.Done()
+			return
+		case feedItem := <-c.queue:
+			// stop processing
+			if feedItem == nil {
+				tail.Done()
+				return
+			}
+
+			// validate item has required id(s)
+			if feedItem.TvdbId == "" {
+				continue
+			}
+
+			// check cache / add item to cache
+			pvrCacheBucket := fmt.Sprintf("pvr_%s_%s", c.Type(), c.name)
+			cacheKey := fmt.Sprintf("tvdb_%s", feedItem.TvdbId)
+			if !c.testMode {
+				// not running in test mode, so use cache
+				if cacheValue, err := c.cache.Get(pvrCacheBucket, cacheKey); err == nil {
+					// item already exists in the cache
+					switch string(cacheValue) {
+					case c.name:
+						// perm cache entry, item exists in the pvr
+						continue
+					case c.cacheFiltersHash:
+						// temp cache entry, item recently checked with the same filters
+						continue
+					}
+				}
+
+				// insert temp cache entry
+				if err := c.cache.Put(pvrCacheBucket, cacheKey, []byte(c.cacheFiltersHash), c.cacheTempDuration); err != nil {
+					c.log.Error().
+						Err(err).
+						Msg("Failed storing item in temp cache")
+				}
+			}
+
+			// get media info
+			mediaItem, err := c.m.GetShowInfo(feedItem)
+			if err != nil {
+				if errors.Is(err, media.ErrItemNotFound) {
+					c.log.Debug().
+						Err(err).
+						Str("feed_title", feedItem.Title).
+						Str("feed_tvdb_id", feedItem.TvdbId).
+						Str("feed_name", feedItem.Feed).
+						Msg("Item was not found on trakt")
+					continue
+				}
+
+				c.log.Error().
+					Err(err).
+					Str("feed_title", feedItem.Title).
+					Str("feed_tvdb_id", feedItem.TvdbId).
+					Str("feed_name", feedItem.Feed).
+					Msg("Failed finding item on trakt")
+				continue
+			}
+
+			if c.testMode {
+				c.log.Debug().
+					Interface("trakt_item", mediaItem).
+					Msg("Item found on trakt")
+			}
+
+			// trakt expression check
+			ignore, filter, err := c.ShouldIgnore(mediaItem)
+			if err != nil {
+				c.log.Error().
+					Err(err).
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_tvdb_id", mediaItem.TvdbId).
+					Str("feed_name", feedItem.Feed).
+					Str("ignore_filter", filter).
+					Msg("Failed checking item against ignore filters")
+				continue
+			}
+
+			if ignore {
+				c.log.Debug().
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_tvdb_id", mediaItem.TvdbId).
+					Str("feed_name", feedItem.Feed).
+					Str("ignore_filter", filter).
+					Msg("Item matched ignore filters")
+				continue
+			}
+
+			// lookup item in pvr
+			s, err := c.lookupMediaItem(mediaItem)
+			if err != nil {
+				if errors.Is(err, ErrItemNotFound) {
+					// the item was not found
+					c.log.Warn().
+						Err(err).
+						Str("feed_title", mediaItem.FeedTitle).
+						Str("feed_tvdb_id", feedItem.TvdbId).
+						Str("feed_name", feedItem.Feed).
+						Msg("Item was not found via pvr lookup")
+					continue
+				}
+
+				c.log.Error().
+					Err(err).
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("feed_tvdb_id", feedItem.TvdbId).
+					Str("feed_name", feedItem.Feed).
+					Msg("Failed finding item via pvr lookup")
+			}
+
+			if s.Id > 0 {
+				// item already existed in pvr
+				c.log.Debug().
+					Str("pvr_title", s.Title).
+					Int("pvr_year", s.Year).
+					Int("pvr_tvdb_id", s.TvdbId).
+					Str("feed_name", feedItem.Feed).
+					Msg("Item already existed in pvr")
+
+				// add item to perm cache (items already in pvr)
+				if !c.testMode {
+					if err := c.cache.Put(pvrCacheBucket, cacheKey, []byte(c.name), 0); err != nil {
+						c.log.Error().
+							Err(err).
+							Msg("Failed storing item in perm cache")
+					}
+				}
+				continue
+			}
+
+			// add item to pvr
+			c.log.Debug().
+				Str("feed_title", mediaItem.FeedTitle).
+				Str("trakt_title", mediaItem.Title).
+				Str("trakt_tvdb_id", mediaItem.TvdbId).
+				Int("trakt_year", mediaItem.Year).
+				Str("feed_name", feedItem.Feed).
+				Msg("Sending item to pvr")
+
+			if s.TitleSlug != "" {
+				// use slug from pvr search
+				mediaItem.Slug = s.TitleSlug
+			}
+
+			if c.testMode {
+				c.log.Info().
+					Err(err).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_tvdb_id", mediaItem.TvdbId).
+					Int("trakt_year", mediaItem.Year).
+					Str("feed_name", feedItem.Feed).
+					Msg("Added item (test mode)")
+				continue
+			}
+
+			if err := c.AddMediaItem(mediaItem); err != nil {
+				c.log.Error().
+					Err(err).
+					Str("feed_title", mediaItem.FeedTitle).
+					Str("trakt_title", mediaItem.Title).
+					Str("trakt_tvdb_id", mediaItem.TvdbId).
+					Int("trakt_year", mediaItem.Year).
+					Str("feed_name", feedItem.Feed).
+					Msg("Failed adding item to pvr")
+			}
+
+			// add item to perm cache (item was added to pvr)
+			if !c.testMode {
+				if err := c.cache.Put(pvrCacheBucket, cacheKey, []byte(c.name), 0); err != nil {
+					c.log.Error().
+						Err(err).
+						Msg("Failed storing item in perm cache")
+				}
+			}
+
+			c.log.Info().
+				Err(err).
+				Str("trakt_title", mediaItem.Title).
+				Str("trakt_tvdb_id", mediaItem.TvdbId).
+				Int("trakt_year", mediaItem.Year).
+				Str("feed_name", feedItem.Feed).
+				Msg("Added item")
+		}
+	}
+}

sonarr/sonarr.go

@@ -0,0 +1,110 @@
+package sonarr
+
+import (
+	"fmt"
+	"github.com/l3uddz/nabarr"
+	"github.com/l3uddz/nabarr/cache"
+	"github.com/l3uddz/nabarr/logger"
+	"github.com/l3uddz/nabarr/media"
+	"github.com/l3uddz/nabarr/util"
+	"github.com/rs/zerolog"
+	"strings"
+	"time"
+)
+
+type Client struct {
+	pvrType  string
+	name     string
+	testMode bool
+
+	rootFolder       string
+	qualityProfileId int
+
+	apiURL     string
+	apiHeaders map[string]string
+	apiTimeout time.Duration
+
+	cache             *cache.Client
+	cacheTempDuration time.Duration
+	cacheFiltersHash  string
+
+	queue chan *media.FeedItem
+
+	m           *media.Client
+	log         zerolog.Logger
+	ignoresExpr []*nabarr.ExprProgram
+}
+
+func New(c nabarr.PvrConfig, mode string, m *media.Client, cc *cache.Client) (*Client, error) {
+	l := logger.New(c.Verbosity).With().
+		Str("pvr_name", c.Name).
+		Str("pvr_type", c.Type).
+		Logger()
+
+	// set config defaults (if not set)
+	if c.CacheDuration == 0 {
+		c.CacheDuration = 24 * time.Hour
+	}
+
+	// set api url
+	apiURL := ""
+	if strings.Contains(strings.ToLower(c.URL), "/api") {
+		apiURL = c.URL
+	} else {
+		apiURL = util.JoinURL(c.URL, "/api")
+	}
+
+	// set api headers
+	apiHeaders := map[string]string{
+		"X-Api-Key": c.ApiKey,
+	}
+
+	// create client
+	cl := &Client{
+		pvrType:  "sonarr",
+		name:     strings.ToLower(c.Name),
+		testMode: strings.EqualFold(mode, "test"),
+
+		rootFolder: c.RootFolder,
+
+		cache:             cc,
+		cacheTempDuration: c.CacheDuration,
+		cacheFiltersHash:  util.AsSHA256(c.Filters),
+
+		queue: make(chan *media.FeedItem, 1024),
+
+		apiURL:     apiURL,
+		apiHeaders: apiHeaders,
+		apiTimeout: 60 * time.Second,
+
+		m:   m,
+		log: l,
+	}
+
+	// compile expressions
+	if err := cl.compileExpressions(c.Filters); err != nil {
+		return nil, fmt.Errorf("compile expressions: %w", err)
+	}
+
+	// validate api access
+	ss, err := cl.getSystemStatus()
+	if err != nil {
+		return nil, fmt.Errorf("validate api: %w", err)
+	}
+
+	// get quality profile
+	if qid, err := cl.getQualityProfileId(c.QualityProfile); err != nil {
+		return nil, fmt.Errorf("get quality profile: %v: %w", c.QualityProfile, err)
+	} else {
+		cl.qualityProfileId = qid
+	}
+
+	cl.log.Info().
+		Str("pvr_version", ss.Version).
+		Msg("Initialised")
+	return cl, nil
+}
+
+func (c *Client) Type() string {
+	return c.pvrType
+}

sonarr/struct.go

@@ -0,0 +1,40 @@
+package sonarr
+
+type systemStatus struct {
+	Version string
+}
+
+type qualityProfile struct {
+	Name string
+	Id   int
+}
+
+type lookupRequest struct {
+	Id        int    `json:"id,omitempty"`
+	Title     string `json:"title"`
+	TitleSlug string `json:"titleSlug"`
+	Year      int    `json:"year,omitempty"`
+	TvdbId    int    `json:"tvdbId"`
+}
+
+type addRequest struct {
+	Title            string     `json:"title"`
+	TitleSlug        string     `json:"titleSlug"`
+	Year             int        `json:"year"`
+	QualityProfileId int        `json:"qualityProfileId"`
+	Images           []string   `json:"images"`
+	Tags             []string   `json:"tags"`
+	Monitored        bool       `json:"monitored"`
+	RootFolderPath   string     `json:"rootFolderPath"`
+	AddOptions       addOptions `json:"addOptions"`
+	Seasons          []string   `json:"seasons"`
+	SeriesType       string     `json:"seriesType"`
+	SeasonFolder     bool       `json:"seasonFolder"`
+	TvdbId           int        `json:"tvdbId"`
+}
+
+type addOptions struct {
+	SearchForMissingEpisodes   bool `json:"searchForMissingEpisodes"`
+	IgnoreEpisodesWithFiles    bool `json:"ignoreEpisodesWithFiles"`
+	IgnoreEpisodesWithoutFiles bool `json:"ignoreEpisodesWithoutFiles"`
+}

util/misc.go

@@ -0,0 +1,32 @@
+package util
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+func Atoi(val string, defaultVal int) int {
+	n, err := strconv.Atoi(val)
+	if err != nil {
+		return defaultVal
+	}
+	return n
+}
+
+func Atof64(val string, defaultVal float64) float64 {
+	n, err := strconv.ParseFloat(strings.TrimSpace(val), 64)
+	if err != nil {
+		return defaultVal
+	}
+	return n
+}
+
+func AsSHA256(o interface{}) string {
+	// credits: https://blog.8bitzen.com/posts/22-08-2019-how-to-hash-a-struct-in-go
+	h := sha256.New()
+	h.Write([]byte(fmt.Sprintf("%v", o)))
+
+	return fmt.Sprintf("%x", h.Sum(nil))
+}

util/url.go

@@ -0,0 +1,24 @@
+package util
+
+import (
+	"fmt"
+	"net/url"
+	"path"
+	"strings"
+)
+
+func JoinURL(base string, paths ...string) string {
+	// credits: https://stackoverflow.com/a/57220413
+	p := path.Join(paths...)
+	return fmt.Sprintf("%s/%s", strings.TrimRight(base, "/"), strings.TrimLeft(p, "/"))
+}
+
+func URLWithQuery(base string, q url.Values) (string, error) {
+	u, err := url.Parse(base)
+	if err != nil {
+		return "", fmt.Errorf("url parse: %w", err)
+	}
+
+	u.RawQuery = q.Encode()
+	return u.String(), nil
+}