Implement correct pause state #4
							
								
								
									
										83
									
								
								handlers.go
									
									
									
									
									
								
							
							
						
						
									
										83
									
								
								handlers.go
									
									
									
									
									
								
							@@ -9,20 +9,41 @@ import (
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	"path/filepath"
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)
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type ProgressInfo struct {
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	Percentage  float64
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	CurrentFile string
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	Paused      bool
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}
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func handleRoot(w http.ResponseWriter, r *http.Request) {
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	if r.URL.Path != "/" {
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		http.NotFound(w, r)
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		return
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	}
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	progressMutex.Lock()
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	jobs := make(map[string]*ProgressInfo)
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	for k, v := range progress {
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		jobs[k] = v
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	}
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	progressMutex.Unlock()
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	defer progressMutex.Unlock()
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	err := templates.ExecuteTemplate(w, "index", struct{ Jobs map[string]*ProgressInfo }{jobs})
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	jobsInfo := make(map[string]struct {
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		Percentage  float64
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		CurrentFile string
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		Paused      bool
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	})
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	for filename, info := range progress {
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		jobsInfo[filename] = struct {
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			Percentage  float64
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			CurrentFile string
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			Paused      bool
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		}{
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			Percentage:  info.Percentage,
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			CurrentFile: info.CurrentFile,
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			Paused:      info.Paused,
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		}
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	}
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	err := templates.ExecuteTemplate(w, "index", struct {
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		Jobs map[string]struct {
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			Percentage  float64
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			CurrentFile string
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			Paused      bool
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		}
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	}{jobsInfo})
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	if err != nil {
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		http.Error(w, err.Error(), http.StatusInternalServerError)
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	}
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@@ -157,6 +178,12 @@ func handlePause(w http.ResponseWriter, r *http.Request) {
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		jobInfo.Cmd.Process.Kill()
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	}
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	progressMutex.Lock()
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	if progressInfo, ok := progress[filename]; ok {
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		progressInfo.Paused = true
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	}
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	progressMutex.Unlock()
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	fmt.Fprintf(w, "Pause signal sent for %s", filename)
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}
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@@ -179,6 +206,13 @@ func handleResume(w http.ResponseWriter, r *http.Request) {
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	jobInfo.Paused = false
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	jobInfo.ResumeChan <- struct{}{}
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	// Update the progress information
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	progressMutex.Lock()
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	if progressInfo, ok := progress[filename]; ok {
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		progressInfo.Paused = false
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	}
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	progressMutex.Unlock()
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	fmt.Fprintf(w, "Resume signal sent for %s", filename)
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}
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@@ -232,3 +266,30 @@ func clearCompletedJobs() {
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		}
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	}
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}
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func updateProgress(filename string, value float64, currentFile string) {
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	progressMutex.Lock()
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	defer progressMutex.Unlock()
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	jobsMutex.Lock()
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	jobInfo, exists := jobs[filename]
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	jobsMutex.Unlock()
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	paused := false
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	if exists {
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		paused = jobInfo.Paused
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	}
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	if existingProgress, ok := progress[filename]; ok {
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		existingProgress.Percentage = value
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		existingProgress.CurrentFile = currentFile
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		existingProgress.Paused = paused
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	} else {
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		progress[filename] = &ProgressInfo{
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			Percentage:  value,
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			CurrentFile: currentFile,
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			Paused:      paused,
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		}
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	}
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	fmt.Printf("Progress updated for %s: %.2f%%, Current file: %s, Paused: %v\n", filename, value, currentFile, paused)
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}
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										15
									
								
								main.go
									
									
									
									
									
								
							
							
						
						
									
										15
									
								
								main.go
									
									
									
									
									
								
							@@ -37,11 +37,6 @@ var progress = make(map[string]*ProgressInfo)
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const uploadDir = "uploads"
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type ProgressInfo struct {
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	Percentage  float64
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	CurrentFile string
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}
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var templates *template.Template
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//go:embed templates
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@@ -87,16 +82,6 @@ func startWebServer() {
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	http.ListenAndServe(":8080", nil)
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}
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func updateProgress(filename string, value float64, currentFile string) {
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	progressMutex.Lock()
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	defer progressMutex.Unlock()
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	progress[filename] = &ProgressInfo{
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		Percentage:  value,
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		CurrentFile: currentFile,
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	}
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	fmt.Printf("Progress updated for %s: %.2f%%, Current file: %s\n", filename, value, currentFile)
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}
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func getProgress(filename string) *ProgressInfo {
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	progressMutex.Lock()
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	defer progressMutex.Unlock()
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@@ -74,6 +74,9 @@
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            display: inline-block;
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            width: 5em;
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        }
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        .paused {
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            color: #ffa500;
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        }
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        @media (max-width: 600px) {
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            body {
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                padding: 10px;
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@@ -120,7 +123,11 @@
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                    <a href="/progress?filename={{$filename}}">{{$filename}}</a>
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                </div>
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                <div class="job-info">
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                    Progress: <span class="progress-text">{{printf "%5.1f%%" $info.Percentage}}</span> Current file: {{$info.CurrentFile}}
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                    Progress: <span class="progress-text">{{printf "%5.1f%%" $info.Percentage}}</span>
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                    Current file: {{$info.CurrentFile}}
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                    {{if $info.Paused}}
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                        <span class="paused">(Paused)</span>
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                    {{end}}
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                </div>
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            </li>
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        {{else}}
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@@ -127,10 +127,12 @@
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    <div>
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        <button id="abort-button" onclick="abortDownload()">Abort Download</button>
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        <button id="pause-button" onclick="pauseDownload()">Pause Download</button>
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        <button id="resume-button" onclick="resumeDownload()">Resume Download</button>
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        <button id="resume-button" onclick="resumeDownload()" style="display: none;">Resume Download</button>
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        <button id="back-button" onclick="window.location.href='/'">Back to Index</button>
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    </div>
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    <script>
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        let isPaused = false;
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        function updateProgress() {
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            fetch('/progress?filename={{.Filename}}', {
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                headers: {
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@@ -143,12 +145,25 @@
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                    document.getElementById('progress-bar').style.width = progress + '%';
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                    document.getElementById('progress-text').innerText = progress + '%';
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                    document.getElementById('currentFile').innerText = 'Current file: ' + (data.CurrentFile || 'None');
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                    if (progress < 100) {
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                    isPaused = data.Paused;
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                    updatePauseResumeButtons();
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                    if (progress < 100 && !isPaused) {
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                        setTimeout(updateProgress, 1000);
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                    }
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                });
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        }
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        updateProgress();
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        function updatePauseResumeButtons() {
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            if (isPaused) {
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                document.getElementById('pause-button').style.display = 'none';
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                document.getElementById('resume-button').style.display = 'inline-block';
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            } else {
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                document.getElementById('pause-button').style.display = 'inline-block';
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                document.getElementById('resume-button').style.display = 'none';
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            }
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        }
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        function abortDownload() {
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            fetch('/abort?filename={{.Filename}}', { method: 'POST' })
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@@ -166,8 +181,8 @@
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                .then(response => {
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                    if (response.ok) {
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                        console.log('Pause signal sent. The download will pause soon.');
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                        document.getElementById('pause-button').style.display = 'none';
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                        document.getElementById('resume-button').style.display = 'inline-block';
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                        isPaused = true;
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                        updatePauseResumeButtons();
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                    } else {
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                        alert('Failed to pause the download.');
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                    }
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@@ -179,13 +194,16 @@
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                .then(response => {
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                    if (response.ok) {
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                        console.log('Resume signal sent. The download will resume soon.');
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                        document.getElementById('resume-button').style.display = 'none';
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                        document.getElementById('pause-button').style.display = 'inline-block';
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                        isPaused = false;
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                        updatePauseResumeButtons();
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                        updateProgress();
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                    } else {
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                        alert('Failed to resume the download.');
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                    }
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                });
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        }
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        updateProgress();
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    </script>
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</body>
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</html>
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