src/downloaders.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"encoding/base64"
 	"fmt"
 	"io"
@@ -9,6 +10,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strings"
+	"time"
 )
 
 func removeBOM(input []byte) []byte {
@@ -99,11 +101,8 @@ func downloadFile(item Item, jobInfo *JobInfo) error {
 
 	cmd := exec.Command("bash", "-c", command)
 
-	jobsMutex.Lock()
-	jobInfo.Cmd = cmd
-	jobsMutex.Unlock()
-
-	cmd.Stdout = os.Stdout
+	var outputBuffer bytes.Buffer
+	cmd.Stdout = io.MultiWriter(os.Stdout, &outputBuffer)
 	cmd.Stderr = os.Stderr
 
 	err = cmd.Start()
@@ -116,6 +115,16 @@ func downloadFile(item Item, jobInfo *JobInfo) error {
 		done <- cmd.Wait()
 	}()
 
+	go func() {
+		for {
+			if outputBuffer.Len() > 0 {
+				broadcast(outputBuffer.Bytes())
+				outputBuffer.Reset()
+			}
+			time.Sleep(1 * time.Second)
+		}
+	}()
+
 	select {
 	case <-jobInfo.AbortChan:
 		if cmd.Process != nil {

src/go.mod

@@ -11,6 +11,7 @@ require (
 require (
 	github.com/asticode/go-astikit v0.20.0 // indirect
 	github.com/asticode/go-astits v1.8.0 // indirect
+	github.com/gorilla/websocket v1.5.3
 	golang.org/x/net v0.0.0-20200904194848-62affa334b73 // indirect
 	golang.org/x/text v0.3.2 // indirect
 )

src/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/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 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=

src/handlers.go

@@ -9,6 +9,9 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"sync"
+
+	"github.com/gorilla/websocket"
 )
 
 type ProgressInfo struct {
@@ -354,3 +357,42 @@ func updateProgress(filename string, value float64, currentFile string) {
 		}
 	}
 }
+
+var upgrader = websocket.Upgrader{}
+var clients = make(map[*websocket.Conn]bool)
+var mu sync.Mutex
+
+func handleWebSocket(w http.ResponseWriter, r *http.Request) {
+	conn, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		fmt.Println("Error while upgrading connection:", err)
+		return
+	}
+	defer conn.Close()
+
+	mu.Lock()
+	clients[conn] = true
+	mu.Unlock()
+
+	for {
+		if _, _, err := conn.NextReader(); err != nil {
+			break
+		}
+	}
+
+	mu.Lock()
+	delete(clients, conn)
+	mu.Unlock()
+}
+
+func broadcast(message []byte) {
+	mu.Lock()
+	defer mu.Unlock()
+
+	for client := range clients {
+		if err := client.WriteMessage(websocket.TextMessage, message); err != nil {
+			client.Close()
+			delete(clients, client)
+		}
+	}
+}

src/main.go

@@ -77,6 +77,7 @@ func startWebServer() {
 	http.HandleFunc("/pause", handlePause)
 	http.HandleFunc("/resume", handleResume)
 	http.HandleFunc("/clear-completed", handleClearCompleted)
+	http.HandleFunc("/ws", handleWebSocket)
 
 	fmt.Println("Starting web server on http://0.0.0.0:8080")
 	http.ListenAndServe(":8080", nil)

src/templates/progress

@@ -68,7 +68,7 @@
         #abort-button:hover {
             background-color: #d32f2f;
         }
-        #pause-button, #resume-button {
+        #pause-button, #resume-button, #toggle-console {
             background-color: #4CAF50;
             color: white;
             border: none;
@@ -77,7 +77,7 @@
             border-radius: 4px;
             cursor: pointer;
         }
-        #pause-button:hover, #resume-button:hover {
+        #pause-button:hover, #resume-button:hover, #toggle-console:hover {
             background-color: #45a049;
         }
         #resume-button {
@@ -96,6 +96,17 @@
         #back-button:hover {
             background-color: #1976D2;
         }
+        #console {
+            display: none; /* Initially hidden */
+            background-color: black;
+            color: white;
+            height: 300px; /* Adjust height as needed */
+            overflow-y: scroll;
+            white-space: pre; /* Preserve whitespace */
+            font-family: monospace; /* Use monospace font */
+            margin-top: 10px;
+            border: 1px solid #ccc;
+        }
         @media (max-width: 600px) {
             body {
                 padding: 10px;
@@ -128,8 +139,10 @@
         <button id="abort-button" onclick="abortDownload()">Abort Download</button>
         <button id="pause-button" onclick="pauseDownload()">Pause Download</button>
         <button id="resume-button" onclick="resumeDownload()" style="display: none;">Resume Download</button>
+        <button id="toggle-console">Toggle Console View</button>
         <button id="back-button" onclick="window.location.href='/'">Back to Index</button>
     </div>
+    <div id="console"></div>
     <script>
         let isPaused = false;
 
@@ -203,6 +216,22 @@
                 });
         }
 
+        const consoleDiv = document.getElementById('console');
+        const ws = new WebSocket(`ws://${window.location.host}/ws`);
+
+        ws.onmessage = function(event) {
+            consoleDiv.textContent += event.data; 
+            consoleDiv.scrollTop = consoleDiv.scrollHeight; 
+        };
+
+        document.getElementById('toggle-console').onclick = function() {
+            if (consoleDiv.style.display === "none") {
+                consoleDiv.style.display = "block";
+            } else {
+                consoleDiv.style.display = "none";
+            }
+        };
+
         updateProgress();
     </script>
 </body>