Add reading torrent list from file cache, add ffprobe check, bring back proxy in config

internal/app.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	netHttp "net/http"
 	"os"
+	"os/exec"
 	"strings"
 	"time"
 
@@ -52,7 +53,13 @@ func MainApp(configPath string) {
 		os.Exit(1)
 	}
 
-	proxyURL := os.Getenv("PROXY")
+	var proxyURL string
+	if config.GetProxy() != "" {
+		proxyURL = config.GetProxy()
+		zurglog.Infof("Using proxy: %s", proxyURL)
+	} else {
+		proxyURL = os.Getenv("PROXY")
+	}
 
 	repoClient4 := http.NewHTTPClient("", 0, 1, false, []string{}, proxyURL, log.Named("network_test"))
 	repoClient6 := http.NewHTTPClient("", 0, 1, true, []string{}, proxyURL, log.Named("network_test"))
@@ -135,6 +142,11 @@ func MainApp(configPath string) {
 		log.Named("router"),
 	)
 
+	_, err = exec.LookPath("ffprobe")
+	if err != nil {
+		zurglog.Warn("ffprobe not found in PATH (do you have ffmpeg installed?), you won't be able to perform media analysis")
+	}
+
 	//// pprof
 	// workerPool.Submit(func() {
 	// 	if err := netHttp.ListenAndServe(":6060", nil); err != nil && err != netHttp.ErrServerClosed {

internal/commands.go

@@ -29,6 +29,11 @@ func NetworkTest(testURL string) {
 	log := logutil.NewLogger(logPath)
 
 	proxyURL := os.Getenv("PROXY")
+	if proxyURL != "" {
+		log.Infof("Using proxy: %s", proxyURL)
+	} else {
+		log.Info("You can set a proxy by setting the PROXY environment variable")
+	}
 
 	repoClient4 := http.NewHTTPClient("", 0, 1, false, []string{}, proxyURL, log.Named("network_test"))
 	repoClient6 := http.NewHTTPClient("", 0, 1, true, []string{}, proxyURL, log.Named("network_test"))

internal/config/types.go

@@ -34,6 +34,7 @@ type ConfigInterface interface {
 	GetDownloadsEveryMins() int
 	GetDumpTorrentsEveryMins() int
 	GetPlayableExtensions() []string
+	GetProxy() string
 }
 
 type ZurgConfig struct {
@@ -54,6 +55,7 @@ type ZurgConfig struct {
 	Password                  string   `yaml:"password" json:"password"`
 	PlayableExtensions        []string `yaml:"addl_playable_extensions" json:"addl_playable_extensions"`
 	Port                      string   `yaml:"port" json:"port"`
+	Proxy                     string   `yaml:"proxy" json:"proxy"`
 	RefreshEverySecs          int      `yaml:"check_for_changes_every_secs" json:"check_for_changes_every_secs"`
 	RepairEveryMins           int      `yaml:"repair_every_mins" json:"repair_every_mins"`
 	RetainFolderNameExtension bool     `yaml:"retain_folder_name_extension" json:"retain_folder_name_extension"`
@@ -205,3 +207,7 @@ func (z *ZurgConfig) GetPlayableExtensions() []string {
 	}
 	return z.PlayableExtensions
 }
+
+func (z *ZurgConfig) GetProxy() string {
+	return z.Proxy
+}

pkg/realdebrid/api.go

@@ -24,7 +24,7 @@ type RealDebrid struct {
 }
 
 func NewRealDebrid(apiClient, unrestrictClient, downloadClient *zurghttp.HTTPClient, workerPool *ants.Pool, cfg config.ConfigInterface, log *logutil.Logger) *RealDebrid {
-	return &RealDebrid{
+	rd := &RealDebrid{
 		torrentsCache:    []Torrent{},
 		apiClient:        apiClient,
 		unrestrictClient: unrestrictClient,
@@ -33,6 +33,8 @@ func NewRealDebrid(apiClient, unrestrictClient, downloadClient *zurghttp.HTTPCli
 		cfg:              cfg,
 		log:              log,
 	}
+	rd.readCachedTorrents()
+	return rd
 }
 
 // currently unused

pkg/realdebrid/torrents.go

@@ -2,8 +2,10 @@ package realdebrid
 
 import (
 	"fmt"
+	"io"
 	"net/http"
 	"net/url"
+	"os"
 	"strconv"
 )
 
@@ -52,29 +54,28 @@ func (rd *RealDebrid) GetTorrents(onlyOne bool) ([]Torrent, int, error) {
 				allResults <- rd.fetchPageOfTorrents(page+idx, pageSize)
 			})
 		}
-		// Collect results from all goroutines
+		batches := make([][]Torrent, maxParallelThreads)
-		buffer := make([][]Torrent, maxParallelThreads)
 		for i := 0; i < maxParallelThreads; i++ {
 			result := <-allResults
-			bufferIdx := (result.page - 1) % maxParallelThreads
-			buffer[bufferIdx] = []Torrent{}
 			if result.err != nil {
 				rd.log.Warnf("Ignoring error when fetching torrents pg %d: %v", result.page, result.err)
 				continue
 			}
-			buffer[bufferIdx] = append(buffer[bufferIdx], result.torrents...)
+			bIdx := (result.page - 1) % maxParallelThreads
+			batches[bIdx] = []Torrent{}
+			batches[bIdx] = append(batches[bIdx], result.torrents...)
 		}
-		for bIdx, batch := range buffer {
+		for bIdx, batch := range batches { // 4 batches
-			for tIdx, torrent := range batch {
+			cachedCount := len(rd.torrentsCache)
-				for cIdx, cached := range rd.torrentsCache {
+			for cIdx, cached := range rd.torrentsCache { // N cached torrents
+				cIdxEnd := cachedCount - 1 - cIdx
+				for tIdx, torrent := range batch { // 250 torrents
 					tIdxEnd := indexFromEnd(tIdx, page+bIdx, pageSize, result.total)
-					cIdxEnd := len(rd.torrentsCache) - 1 - cIdx
 					if torrent.ID == cached.ID && tIdxEnd == cIdxEnd {
 						allTorrents = append(allTorrents, batch[:tIdx]...)
 						allTorrents = append(allTorrents, rd.torrentsCache[cIdx:]...)
-						rd.log.Debugf("Fresh %d, cached %d", len(batch[:tIdx]), len(rd.torrentsCache[cIdx:]))
 						rd.log.Debugf("Got %d/%d torrents", len(allTorrents), result.total)
-						rd.torrentsCache = allTorrents
+						rd.cacheTorrents(allTorrents)
 						return allTorrents, len(allTorrents), nil
 					}
 				}
@@ -91,7 +92,7 @@ func (rd *RealDebrid) GetTorrents(onlyOne bool) ([]Torrent, int, error) {
 		page += maxParallelThreads
 	}
 
-	rd.torrentsCache = allTorrents
+	rd.cacheTorrents(allTorrents)
 	return allTorrents, len(allTorrents), nil
 }
 
@@ -172,3 +173,51 @@ func (rd *RealDebrid) fetchPageOfTorrents(page, limit int) fetchTorrentsResult {
 		err:      nil,
 	}
 }
+
+func (rd *RealDebrid) cacheTorrents(torrents []Torrent) {
+	filePath := "data/info/all.json"
+	file, err := os.Create(filePath)
+	if err != nil {
+		rd.log.Warnf("Cannot create info file %s: %v", filePath, err)
+		return
+	}
+	defer file.Close()
+
+	jsonData, err := json.Marshal(torrents)
+	if err != nil {
+		rd.log.Warnf("Cannot marshal torrent info: %v", err)
+		return
+	}
+
+	if _, err := file.Write(jsonData); err != nil {
+		rd.log.Warnf("Cannot write to info file %s: %v", filePath, err)
+		return
+	}
+
+	rd.torrentsCache = torrents
+}
+
+func (rd *RealDebrid) readCachedTorrents() {
+	filePath := "data/info/all.json"
+	file, err := os.Open(filePath)
+	if err != nil {
+		rd.log.Warnf("Cannot open info file %s: %v", filePath, err)
+		return
+	}
+	defer file.Close()
+
+	jsonData, err := io.ReadAll(file)
+	if err != nil {
+		rd.log.Warnf("Cannot read info file %s: %v", filePath, err)
+		return
+	}
+
+	var torrents []Torrent
+	err = json.Unmarshal(jsonData, &torrents)
+	if err != nil {
+		rd.log.Warnf("Cannot unmarshal torrent info: %v", err)
+		return
+	}
+
+	rd.torrentsCache = torrents
+}

pkg/realdebrid/util.go

@@ -1,14 +1,7 @@
 package realdebrid
 
 func indexFromEnd(subIndex int, pageNumber int, pageSize int, totalElements int) int {
-	// Adjust pageNumber for 1-based index
 	adjustedPageNumber := pageNumber - 1
-
-	// Calculate the overall index in the array
 	overallIndex := (adjustedPageNumber * pageSize) + subIndex
-
+	return totalElements - 1 - overallIndex
-	// Calculate the index from the end
-	indexFromEnd := totalElements - 1 - overallIndex
-
-	return indexFromEnd
 }