Add feed deletion and single video addition features

- Implemented DELETE /api/channels/<id> to remove channels and cleanup downloaded files
- Added delete button to channels page with confirmation dialog
- Added functionality to add single videos via URL
- Updated navigation menu

templates/add_video.html

@@ -0,0 +1,55 @@
+{% extends "base.html" %}
+
+{% block title %}Add Video - YottoB{% endblock %}
+
+{% block content %}
+<div class="add-video-page">
+    <div class="page-header">
+        <h2>Add Individual Video</h2>
+        <p>Add a specific YouTube video to your library</p>
+    </div>
+
+    <div class="form-container">
+        <form method="POST" action="/add-video" class="channel-form">
+            <div class="form-group">
+                <label for="video_url">YouTube Video URL</label>
+                <input
+                    type="url"
+                    id="video_url"
+                    name="video_url"
+                    placeholder="https://www.youtube.com/watch?v=VIDEO_ID"
+                    required
+                    class="form-input"
+                >
+                <small class="form-help">
+                    Enter the full YouTube video URL.
+                </small>
+            </div>
+
+            <div class="form-actions">
+                <button type="submit" class="btn btn-primary">Add Video</button>
+                <a href="/" class="btn btn-secondary">Cancel</a>
+            </div>
+        </form>
+    </div>
+
+    <div class="help-section">
+        <h3>How to add a video</h3>
+        <ol>
+            <li>Go to the YouTube video you want to add</li>
+            <li>Copy the URL from your browser's address bar</li>
+            <li>Paste it into the form above</li>
+            <li>Click "Add Video"</li>
+        </ol>
+
+        <h4>Supported URL formats</h4>
+        <ul>
+            <li><code>https://www.youtube.com/watch?v=VIDEO_ID</code></li>
+            <li><code>https://youtu.be/VIDEO_ID</code></li>
+        </ul>
+
+        <h4>Note</h4>
+        <p>YouTube Shorts are not supported and will be rejected.</p>
+    </div>
+</div>
+{% endblock %}

templates/base.html

@@ -16,6 +16,7 @@
                     <li><a href="/channels" class="{% if request.path == '/channels' %}active{% endif %}">Channels</a></li>
                     <li><a href="/downloads" class="{% if request.path == '/downloads' %}active{% endif %}">Downloads</a></li>
                     <li><a href="/add-channel" class="{% if request.path == '/add-channel' %}active{% endif %}">Add Channel</a></li>
+                    <li><a href="/add-video" class="{% if request.path == '/add-video' %}active{% endif %}">Add Video</a></li>
                     <li class="nav-user">
                         <span>{{ current_user.username }}</span>
                         <a href="{{ url_for('logout') }}">Logout</a>

templates/channels.html

@@ -29,6 +29,9 @@
                         <button class="btn btn-secondary" onclick="refreshChannel({{ channel.id }})">
                             Refresh Videos
                         </button>
+                        <button class="btn btn-danger" onclick="deleteChannel({{ channel.id }}, '{{ channel.title|replace("'", "\\'") }}')">
+                            Delete
+                        </button>
                         <a href="/?channel={{ channel.id }}" class="btn btn-link">View Videos</a>
                     </div>
                 </div>
@@ -71,5 +74,36 @@
             button.textContent = 'Refresh Videos';
         });
     }
+
+    function deleteChannel(channelId, channelTitle) {
+        if (!confirm(`Are you sure you want to delete "${channelTitle}"?\n\nThis will permanently remove:\n- The channel subscription\n- All video history\n- ALL downloaded video files for this channel\n\nThis action cannot be undone.`)) {
+            return;
+        }
+
+        const button = event.target;
+        const originalText = button.textContent;
+        button.disabled = true;
+        button.textContent = 'Deleting...';
+
+        fetch(`/api/channels/${channelId}`, {
+            method: 'DELETE'
+        })
+        .then(response => response.json())
+        .then(data => {
+            if (data.status === 'success') {
+                alert(data.message);
+                location.reload();
+            } else {
+                alert('Failed to delete: ' + data.message);
+                button.disabled = false;
+                button.textContent = originalText;
+            }
+        })
+        .catch(error => {
+            alert('Error: ' + error);
+            button.disabled = false;
+            button.textContent = originalText;
+        });
+    }
 </script>
 {% endblock %}