Clear jobs

config.go

@@ -11,6 +11,7 @@ import (
 type Config struct {
 	BaseDir     string
 	Format      string
+	TempBaseDir string
 	N_m3u8DLRE  struct {
 		Path string
 	}

config.toml

@@ -1,5 +1,6 @@
 BaseDir = "/mnt/media"
 Format = "mkv" 
+TempBaseDir = "/tmp/nre"
 
 [N_m3u8DLRE]
 Path = "nre"

downloaders.go

@@ -18,9 +18,17 @@ func removeBOM(input []byte) []byte {
 	return input
 }
 
-func downloadFile(item Item) error {
+func downloadFile(item Item, jobInfo *JobInfo) error {
 	fmt.Println("Downloading:", item.Filename)
 
+	tempDir := filepath.Join(config.TempBaseDir, sanitizeFilename(item.Filename))
+	err := os.MkdirAll(tempDir, 0755)
+	if err != nil {
+		return fmt.Errorf("error creating temporary directory: %v", err)
+	}
+
+	jobInfo.TempDir = tempDir
+
 	mpdPath := item.MPD
 	if !isValidURL(item.MPD) {
 		decodedMPD, err := base64.StdEncoding.DecodeString(item.MPD)
@@ -75,7 +83,7 @@ func downloadFile(item Item) error {
 		mpdPath = tempFile.Name()
 	}
 
-	command := getDownloadCommand(item, mpdPath)
+	command := getDownloadCommand(item, mpdPath, tempDir)
 
 	if item.Subtitles != "" {
 		subtitlePaths, err := downloadAndConvertSubtitles(item.Subtitles)
@@ -91,19 +99,45 @@ func downloadFile(item Item) error {
 
 	cmd := exec.Command("bash", "-c", command)
 
+	jobsMutex.Lock()
+	jobInfo.Cmd = cmd
+	jobsMutex.Unlock()
+
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
 
-	err := cmd.Run()
+	err = cmd.Start()
+	if err != nil {
+		return fmt.Errorf("error starting download command: %v", err)
+	}
+
+	done := make(chan error)
+	go func() {
+		done <- cmd.Wait()
+	}()
+
+	select {
+	case <-jobInfo.AbortChan:
+		if cmd.Process != nil {
+			cmd.Process.Kill()
+		}
+		os.RemoveAll(tempDir)
+		return fmt.Errorf("download aborted")
+	case err := <-done:
+		if jobInfo.Paused {
+			return fmt.Errorf("download paused")
+		}
 		if err != nil {
 			return fmt.Errorf("error executing download command: %v", err)
 		}
+	}
 
 	fmt.Println("Download completed successfully")
+	os.RemoveAll(tempDir)
 	return nil
 }
 
-func getDownloadCommand(item Item, mpdPath string) string {
+func getDownloadCommand(item Item, mpdPath string, tempDir string) string {
 	metadata := parseMetadata(item.Metadata)
 	keys := getKeys(item.Keys)
 
@@ -132,6 +166,8 @@ func getDownloadCommand(item Item, mpdPath string) string {
 	}
 	command += fmt.Sprintf(" --save-dir \"%s\"", saveDir)
 
+	command += fmt.Sprintf(" --tmp-dir \"%s\"", tempDir)
+
 	fmt.Println(command)
 
 	return command

go.sum

@@ -10,6 +10,8 @@ github.com/beevik/etree v1.4.1 h1:PmQJDDYahBGNKDcpdX8uPy1xRCwoCGVUiW669MEirVI=
 github.com/beevik/etree v1.4.1/go.mod h1:gPNJNaBGVZ9AwsidazFZyygnd+0pAU38N4D+WemwKNs=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pkg/exec v0.0.0-20150614095509-0bd164ad2a5a h1:EN123kAtAAE2pg/+TvBsUBZfHCWNNFyL2ZBPPfNWAc0=
+github.com/pkg/exec v0.0.0-20150614095509-0bd164ad2a5a/go.mod h1:b95YoNrAnScjaWG+asr8lxqlrsPUcT2ZEBcjvVGshMo=
 github.com/pkg/profile v1.4.0/go.mod h1:NWz/XGvpEW1FyYQ7fCx4dqYBLlfTcE+A9FLAkNKqjFE=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

handlers.go

@@ -135,3 +135,100 @@ func handleProgress(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 	}
 }
+
+func handlePause(w http.ResponseWriter, r *http.Request) {
+	filename := r.URL.Query().Get("filename")
+	if filename == "" {
+		http.Error(w, "Filename is required", http.StatusBadRequest)
+		return
+	}
+
+	jobsMutex.Lock()
+	jobInfo, exists := jobs[filename]
+	jobsMutex.Unlock()
+
+	if !exists {
+		http.Error(w, "Job not found", http.StatusNotFound)
+		return
+	}
+
+	jobInfo.Paused = true
+	if jobInfo.Cmd != nil && jobInfo.Cmd.Process != nil {
+		jobInfo.Cmd.Process.Kill()
+	}
+
+	fmt.Fprintf(w, "Pause signal sent for %s", filename)
+}
+
+func handleResume(w http.ResponseWriter, r *http.Request) {
+	filename := r.URL.Query().Get("filename")
+	if filename == "" {
+		http.Error(w, "Filename is required", http.StatusBadRequest)
+		return
+	}
+
+	jobsMutex.Lock()
+	jobInfo, exists := jobs[filename]
+	jobsMutex.Unlock()
+
+	if !exists {
+		http.Error(w, "Job not found", http.StatusNotFound)
+		return
+	}
+
+	jobInfo.Paused = false
+	jobInfo.ResumeChan <- struct{}{}
+
+	fmt.Fprintf(w, "Resume signal sent for %s", filename)
+}
+
+func handleAbort(w http.ResponseWriter, r *http.Request) {
+	filename := r.URL.Query().Get("filename")
+	if filename == "" {
+		http.Error(w, "Filename is required", http.StatusBadRequest)
+		return
+	}
+
+	jobsMutex.Lock()
+	jobInfo, exists := jobs[filename]
+	jobsMutex.Unlock()
+
+	if !exists {
+		http.Error(w, "Job not found", http.StatusNotFound)
+		return
+	}
+
+	close(jobInfo.AbortChan)
+	if jobInfo.Cmd != nil && jobInfo.Cmd.Process != nil {
+		jobInfo.Cmd.Process.Kill()
+	}
+
+	if jobInfo.TempDir != "" {
+		os.RemoveAll(jobInfo.TempDir)
+	}
+
+	fmt.Fprintf(w, "Abort signal sent for %s", filename)
+}
+
+func handleClearCompleted(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	clearCompletedJobs()
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(map[string]bool{"success": true})
+}
+
+func clearCompletedJobs() {
+	progressMutex.Lock()
+	defer progressMutex.Unlock()
+
+	for filename, info := range progress {
+		if info.Percentage >= 100 {
+			delete(progress, filename)
+		}
+	}
+}

main.go

@@ -78,6 +78,10 @@ func startWebServer() {
 	http.HandleFunc("/select", handleSelect)
 	http.HandleFunc("/process", handleProcess)
 	http.HandleFunc("/progress", handleProgress)
+	http.HandleFunc("/abort", handleAbort)
+	http.HandleFunc("/pause", handlePause)
+	http.HandleFunc("/resume", handleResume)
+	http.HandleFunc("/clear-completed", handleClearCompleted)
 
 	fmt.Println("Starting web server on http://0.0.0.0:8080")
 	http.ListenAndServe(":8080", nil)

templates/index

@@ -45,6 +45,7 @@
         ul {
             list-style-type: none;
             padding: 0;
+            margin-bottom: 10px; 
         }
         li {
             background-color: #2d2d2d;
@@ -83,6 +84,25 @@
             input[type="file"], input[type="submit"] {
                 font-size: 16px;
             }
+            input[type="submit"], #clear-completed {
+                font-size: 16px;
+            }
+        }
+        input[type="submit"], #clear-completed {
+            cursor: pointer;
+            color: white;
+            border: 1px solid #444;
+            padding: 8px 12px;
+            border-radius: 4px;
+            margin-bottom: 10px;
+            max-width: 100%;
+            width: 100%;
+        }
+        #clear-completed {
+            background-color: #f44336;
+        }
+        #clear-completed:hover {
+            background-color: #d32f2f;
         }
     </style>
 </head>
@@ -107,5 +127,19 @@
             <li>No active jobs</li>
         {{end}}
     </ul>
+    <button id="clear-completed" onclick="clearCompleted()">Clear Completed Jobs</button>
+    <script>
+        function clearCompleted() {
+            fetch('/clear-completed', { method: 'POST' })
+                .then(response => response.json())
+                .then(data => {
+                    if (data.success) {
+                        location.reload();
+                    } else {
+                        alert('Failed to clear completed jobs');
+                    }
+                });
+        }
+    </script>
 </body>
 </html>

templates/progress

@@ -56,6 +56,46 @@
             margin-top: 10px;
             word-wrap: break-word;
         }
+        #abort-button {
+            background-color: #f44336;
+            color: white;
+            border: none;
+            padding: 10px 15px;
+            margin-top: 10px;
+            border-radius: 4px;
+            cursor: pointer;
+        }
+        #abort-button:hover {
+            background-color: #d32f2f;
+        }
+        #pause-button, #resume-button {
+            background-color: #4CAF50;
+            color: white;
+            border: none;
+            padding: 10px 15px;
+            margin-top: 10px;
+            border-radius: 4px;
+            cursor: pointer;
+        }
+        #pause-button:hover, #resume-button:hover {
+            background-color: #45a049;
+        }
+        #resume-button {
+            display: none;
+        }
+        #back-button {
+            background-color: #2196F3;
+            color: white;
+            border: none;
+            padding: 10px 15px;
+            margin-top: 10px;
+            border-radius: 4px;
+            cursor: pointer;
+            float: right;
+        }
+        #back-button:hover {
+            background-color: #1976D2;
+        }
         @media (max-width: 600px) {
             body {
                 padding: 10px;
@@ -84,6 +124,12 @@
         </div>
         <div id="currentFile"></div>
     </div>
+    <div>
+        <button id="abort-button" onclick="abortDownload()">Abort Download</button>
+        <button id="pause-button" onclick="pauseDownload()">Pause Download</button>
+        <button id="resume-button" onclick="resumeDownload()">Resume Download</button>
+        <button id="back-button" onclick="window.location.href='/'">Back to Index</button>
+    </div>
     <script>
         function updateProgress() {
             fetch('/progress?filename={{.Filename}}', {
@@ -103,6 +149,43 @@
                 });
         }
         updateProgress();
+
+        function abortDownload() {
+            fetch('/abort?filename={{.Filename}}', { method: 'POST' })
+                .then(response => {
+                    if (response.ok) {
+                        console.log('Abort signal sent. The download will stop soon.');
+                    } else {
+                        alert('Failed to abort the download.');
+                    }
+                });
+        }
+
+        function pauseDownload() {
+            fetch('/pause?filename={{.Filename}}', { method: 'POST' })
+                .then(response => {
+                    if (response.ok) {
+                        console.log('Pause signal sent. The download will pause soon.');
+                        document.getElementById('pause-button').style.display = 'none';
+                        document.getElementById('resume-button').style.display = 'inline-block';
+                    } else {
+                        alert('Failed to pause the download.');
+                    }
+                });
+        }
+
+        function resumeDownload() {
+            fetch('/resume?filename={{.Filename}}', { method: 'POST' })
+                .then(response => {
+                    if (response.ok) {
+                        console.log('Resume signal sent. The download will resume soon.');
+                        document.getElementById('resume-button').style.display = 'none';
+                        document.getElementById('pause-button').style.display = 'inline-block';
+                    } else {
+                        alert('Failed to resume the download.');
+                    }
+                });
+        }
     </script>
 </body>
 </html>

utils.go

@@ -6,13 +6,29 @@ import (
 	"io"
 	"net/url"
 	"os"
+	"os/exec"
+	"path/filepath"
 	"regexp"
 	"strconv"
 	"strings"
+	"sync"
 
 	"github.com/beevik/etree"
 )
 
+type JobInfo struct {
+	AbortChan  chan struct{}
+	ResumeChan chan struct{}
+	Cmd        *exec.Cmd
+	Paused     bool
+	TempDir    string
+}
+
+var (
+	jobsMutex sync.Mutex
+	jobs      = make(map[string]*JobInfo)
+)
+
 func sanitizeFilename(filename string) string {
 	filename = regexp.MustCompile(`[<>:"/\\|?*]`).ReplaceAllString(filename, "_")
 
@@ -173,13 +189,96 @@ func filterSelectedItems(items []Item, selectedItems []string) []Item {
 }
 
 func processItems(filename string, items []Item) error {
-	for i, item := range items {
+	jobsMutex.Lock()
-		updateProgress(filename, float64(i)/float64(len(items))*100, item.Filename)
+	jobInfo := &JobInfo{
-		err := downloadFile(item)
+		AbortChan:  make(chan struct{}),
+		ResumeChan: make(chan struct{}),
+	}
+	jobs[filename] = jobInfo
+	jobsMutex.Unlock()
+
+	defer func() {
+		jobsMutex.Lock()
+		delete(jobs, filename)
+		jobsMutex.Unlock()
+
+		if jobInfo.TempDir != "" {
+			os.RemoveAll(jobInfo.TempDir)
+		}
+	}()
+
+	for i := 0; i < len(items); i++ {
+		select {
+		case <-jobInfo.AbortChan:
+			updateProgress(filename, 100, "Aborted")
+			return fmt.Errorf("download aborted")
+		default:
+			if jobInfo.Paused {
+				select {
+				case <-jobInfo.ResumeChan:
+					jobInfo.Paused = false
+					fmt.Printf("Resuming download for %s\n", filename)
+				case <-jobInfo.AbortChan:
+					updateProgress(filename, 100, "Aborted")
+					return fmt.Errorf("download aborted")
+				}
+			}
+			updateProgress(filename, float64(i)/float64(len(items))*100, items[i].Filename)
+			err := downloadFile(items[i], jobInfo)
 			if err != nil {
+				if err.Error() == "download paused" {
+					removeCompletedEpisodes(filename, items[:i])
+					i--
+					continue
+				}
 				fmt.Printf("Error downloading file: %v\n", err)
 			}
 		}
+	}
 	updateProgress(filename, 100, "")
 	return nil
 }
+
+func removeCompletedEpisodes(filename string, completedItems []Item) error {
+	inputFile := filepath.Join(uploadDir, filename)
+	items, err := parseInputFile(inputFile)
+	if err != nil {
+		return fmt.Errorf("error parsing input file: %v", err)
+	}
+
+	remainingItems := make([]Item, 0)
+	for _, item := range items {
+		if !isItemCompleted(item, completedItems) || isLastCompletedItem(item, completedItems) {
+			remainingItems = append(remainingItems, item)
+		}
+	}
+
+	updatedItems := Items{Items: remainingItems}
+	jsonData, err := json.MarshalIndent(updatedItems, "", "  ")
+	if err != nil {
+		return fmt.Errorf("error marshaling updated items: %v", err)
+	}
+
+	err = os.WriteFile(inputFile, jsonData, 0644)
+	if err != nil {
+		return fmt.Errorf("error writing updated DRMD file: %v", err)
+	}
+
+	return nil
+}
+
+func isItemCompleted(item Item, completedItems []Item) bool {
+	for _, completedItem := range completedItems {
+		if item.Filename == completedItem.Filename {
+			return true
+		}
+	}
+	return false
+}
+
+func isLastCompletedItem(item Item, completedItems []Item) bool {
+	if len(completedItems) == 0 {
+		return false
+	}
+	return item.Filename == completedItems[len(completedItems)-1].Filename
+}