Basic playlist management from the web interface

Mainly to allow to set the public flag, because most clients don't handle it

playlist.py

@@ -0,0 +1,72 @@
+# coding: utf-8
+
+from flask import request, session, flash, render_template, redirect, url_for
+import uuid
+from web import app
+import db
+
+@app.route('/playlist')
+def playlist_index():
+	return render_template('playlists.html', mine = db.Playlist.query.filter(db.Playlist.user_id == uuid.UUID(session.get('userid'))),
+		others = db.Playlist.query.filter(db.Playlist.user_id != uuid.UUID(session.get('userid'))))
+
+@app.route('/playlist/<uid>')
+def playlist_details(uid):
+	try:
+		uid = uuid.UUID(uid) if type(uid) in (str, unicode) else uid
+	except:
+		flash('Invalid playlist id')
+		return redirect(url_for('playlist_index'))
+
+	playlist = db.Playlist.query.get(uid)
+	if not playlist:
+		flash('Unknown playlist')
+		return redirect(url_for('playlist_index'))
+
+	return render_template('playlist.html', playlist = playlist)
+
+@app.route('/playlist/<uid>', methods = [ 'POST' ])
+def playlist_update(uid):
+	try:
+		uid = uuid.UUID(uid)
+	except:
+		flash('Invalid playlist id')
+		return redirect(url_for('playlist_index'))
+
+	playlist = db.Playlist.query.get(uid)
+	if not playlist:
+		flash('Unknown playlist')
+		return redirect(url_for('playlist_index'))
+
+	if str(playlist.user_id) != session.get('userid'):
+		flash("You're not allowed to edit this playlist")
+	elif not request.form.get('name'):
+		flash('Missing playlist name')
+	else:
+		playlist.name = request.form.get('name')
+		playlist.public = request.form.get('public') in (True, 'True', 1, '1', 'on', 'checked')
+		db.session.commit()
+		flash('Playlist updated.')
+
+	return playlist_details(uid)
+
+@app.route('/playlist/del/<uid>')
+def playlist_delete(uid):
+	try:
+		uid = uuid.UUID(uid)
+	except:
+		flash('Invalid playlist id')
+		return redirect(url_for('playlist_index'))
+
+	playlist = db.Playlist.query.get(uid)
+	if not playlist:
+		flash('Unknown playlist')
+	elif str(playlist.user_id) != session.get('userid'):
+		flash("You're not allowed to delete this playlist")
+	else:
+		db.session.delete(playlist)
+		db.session.commit()
+		flash('Playlist deleted')
+
+	return redirect(url_for('playlist_index'))
+

templates/layout.html

@@ -15,7 +15,7 @@
 	<h1>Supysonic</h1>
 
 	<p><a href="{{ url_for('index') }}">Home</a> |
-	{% if session.userid %}<a href="{{ url_for('user_profile') }}">{{ session.username }}</a> - <a href="{{ url_for('logout') }}">Log out</a>
+	{% if session.userid %}<a href="{{ url_for('playlist_index') }}">Playlists</a> | <a href="{{ url_for('user_profile') }}">{{ session.username }}</a> - <a href="{{ url_for('logout') }}">Log out</a>
 	{% else %}<a href="{{ url_for('login') }}">Log in</a>
 	{% endif %}</p>
 

templates/playlist.html

@@ -0,0 +1,25 @@
+{% extends "layout.html" %}
+{% block body %}
+<h2>Playlist "{{ playlist.name }}"</h2>
+{% if playlist.user_id|str == session.get('userid') %}
+<h3>Edit</h3>
+<form method="post">
+<table>
+	<tr><th>Name</th><th>Public</th><th></th></tr>
+	<tr>
+		<td><input type="text" name="name" value="{{ playlist.name }}" /></td>
+		<td><input type="checkbox" name="public" {% if playlist.public %}checked="true"{% endif %} /></td>
+		<td><input type="submit" /></td>
+	</tr>
+</table>
+</form>
+{% endif %}
+<h3>Tracks</h3>
+<table>
+	<tr><th>Artist</th><th>Title</th><th>Album</th><th>Length</th></tr>
+	{% for t in playlist.tracks %}
+	<tr><td>{{ t.album.artist.name }}</td><td>{{ t.title }}</td><td>{{ t.album.name }}</td><td>{{ t.duration_str() }}</td></tr>
+	{% endfor %}
+</table>
+{% endblock %}
+

templates/playlists.html

@@ -0,0 +1,33 @@
+{% extends "layout.html" %}
+{% block body %}
+<h2>My playlists</h2>
+{% if not mine.count() %}
+<p>You don't have any playlists.</p>
+{% else %}
+<table>
+	<tr><th>Playlist</th><th>Tracks</th><th>Public</th><th></th></tr>
+	{% for p in mine %}
+	<tr>
+		<td><a href="{{ url_for('playlist_details', uid = p.id) }}">{{ p.name }}</a></td>
+		<td>{{ p.tracks|length }}</td>
+		<td><input type="checkbox" disabled="true" {% if p.public %}checked="true"{% endif %} /></td>
+		<td><a href="{{ url_for('playlist_delete', uid = p.id) }}">X</a></td>
+	</tr>
+	{% endfor %}
+</table>
+{% endif %}
+{% if others.count() %}
+<h2>Others' playslits</h2>
+<table>
+	<tr><th>Playlist</th><th>Owner</th><th>Tracks</th></tr>
+	{% for p in others %}
+	<tr>
+		<td><a href="{{ url_for('playlist_details', uid = p.id) }}">{{ p.name }}</a></td>
+		<td>{{ p.user.name }}</td>
+		<td>{{ p.tracks|length }}</td>
+	</tr>
+	{% endfor %}
+</table>
+{% endif %}
+{% endblock %}
+

web.py

@@ -42,6 +42,10 @@ def init_and_login_check():
 def teardown(exception):
 	db.session.remove()
 
+@app.template_filter('str')
+def to_string(obj):
+	return str(obj)
+
 @app.route('/')
 def index():
 	stats = {
@@ -53,6 +57,7 @@ def index():
 
 import user
 import folder
+import playlist
 
 import api.system
 import api.browse