From 19e67b3239f2621096fd770d1aca46c4ec2c3463 Mon Sep 17 00:00:00 2001
From: Priit Laes <plaes@plaes.org>
Date: Sun, 8 Aug 2010 09:20:00 +0300
Subject: Implemented user's favorite packages

---
 grumpy/models.py                 | 27 +++++-----------------
 grumpy/templates/browse_cat.html | 50 +++++++++++++++++++++++++++++++++++++---
 grumpy/webapp.py                 | 14 ++++++++++-
 3 files changed, 66 insertions(+), 25 deletions(-)

diff --git a/grumpy/models.py b/grumpy/models.py
index 241afde..49b58ee 100644
--- a/grumpy/models.py
+++ b/grumpy/models.py
@@ -30,6 +30,10 @@ package_herds = db.Table('package_herds', db.Model.metadata,
     db.Column('package_id', db.Integer, db.ForeignKey('packages.id')),
     db.Column('herd_id', db.Integer, db.ForeignKey('herds.id'))
     )
+package_users = db.Table('package_users', db.Model.metadata,
+    db.Column('package_id', db.Integer, db.ForeignKey('packages.id')),
+    db.Column('user_id', db.Integer, db.ForeignKey('users.id'))
+    )
 
 class Developer(db.Model):
     """Represents developers in the system"""
@@ -106,27 +110,6 @@ class Ebuild(db.Model):
     def __repr__(self):
         return '<%s> - %s' % (self.__class__.__name__, self.cpv)
 
-class Favorite(db.Model):
-    """Represents packages that user can add in their watch list."""
-
-    __tablename__ = 'favorites'
-    __table_args__ = (
-        db.UniqueConstraint('package_id', 'user_id'),
-        {})
-
-    id = db.Column('id', db.Integer, primary_key=True)
-    _package = db.Column('package_id', db.Integer, db.ForeignKey('packages.id'))
-    _user = db.Column('user_id', db.Integer, db.ForeignKey('users.id'))
-
-    package = db.relationship("Package")
-    user = db.relationship("User", backref=db.backref('favorites'))
-
-    def __init__(self, package):
-        self.package = package
-
-    def __repr__(self):
-        return '<%s> - %s' % (self.__class__.__name__, self.package.cp)
-
 class Herd(db.Model):
     """Represents herds in the system"""
 
@@ -166,6 +149,8 @@ class Package(db.Model):
     ebuilds = db.relationship(Ebuild, backref='package', \
                       cascade='all, delete-orphan', \
                       collection_class=column_mapped_collection(Ebuild.cpv))
+    favorites = db.relationship("User", secondary=package_users,
+                                backref='favorites')
 
     def __init__(self, ebuild_src, mtime=time.time()):
         self.key = ebuild_src.key
diff --git a/grumpy/templates/browse_cat.html b/grumpy/templates/browse_cat.html
index 6de7e15..d66a5a2 100644
--- a/grumpy/templates/browse_cat.html
+++ b/grumpy/templates/browse_cat.html
@@ -1,14 +1,58 @@
+{% set add_fav = '[ Add to favorites ]' -%}
+{% set del_fav = '[ Remove from favorites ]' -%}
+{% macro render_package_extras(package, user) -%}
+  {% if package.qaissues %}
+     {{ package.qaissues | length }} issue(s)</span>
+  {% endif %}
+  {% if user %}
+    <a id="href_{{package.pkg | e}}"
+     href="#" onClick="javascript:favorite_toggle('{{ package.key | e }}'); return false;">
+    {% if package in user.favorites %}
+      {{ del_fav }}
+    {% else %}
+      {{ add_fav }}
+    {% endif %}
+    </a>
+  {% endif %}
+{% endmacro -%}
 {% extends "layout.html" %}
 {% block title %}Browsing category "{{ cat | e }}"{% endblock %}
+{% block script %}
+{{ importer.load_js('jquery.min') }}
+<script type='text/javascript'>
+function favorite_toggle(pkg) {
+  $.ajax({
+    data: { 'pkg' : pkg},
+    url: "{{ url_for('api_favorite_edit') }}",
+    dataType: 'json',
+    type: 'POST',
+    error: function(req, xxx, error) {
+      alert('Unknown error occurred.');
+    },
+    success: function(data) {
+      if (data.success == false)
+        alert('Unknown error occurred');
+      else if (data.success == true) {
+        elem = $('#href_' + pkg.split('/')[1])
+        if (data.status == true)
+          // Favorite added
+          elem.text('{{ del_fav }}')
+        else
+          // Favorite removed
+          elem.text('{{ add_fav }}')
+      }
+    }
+  });
+}
+</script>
+{% endblock %}
 {% block body %}
 <h3>Browsing category "{{ cat | e }} - {{ pkgs | length }} package(s):</h3>
 <ul>
   <li><a href="{{ url_for('index') }}">..</a></li>
   {% for pkg in pkgs %}
   <li><a href="{{ url_for('browse_pkg', cat=cat, pkg=pkg.pkg)}}">{{ pkg.pkg | e }}</a>
-  {% if pkg.qaissues %}
-     {{ pkg.qaissues | length }} issue(s)</span>
-  {% endif %}
+  {{ render_package_extras(pkg, g.user) }}
   </li>
   {% endfor %}
 <ul>
diff --git a/grumpy/webapp.py b/grumpy/webapp.py
index 800bf06..200edff 100644
--- a/grumpy/webapp.py
+++ b/grumpy/webapp.py
@@ -130,7 +130,7 @@ def confirm_account(email):
         flash(u'Invalid email: "%s"' % email)
         return redirect(url_for('index'))
     if user.regtoken is None:
-        flash(u'Account been already confirmed')
+        flash(u'Account has been already confirmed')
         return redirect(url_for('index'))
     if user.regtoken != request.args.get('token'):
         flash(u'Invalid token specified')
@@ -147,6 +147,18 @@ def api_generate_api_key():
     db.session.commit()
     return jsonify(dict(apikey=g.user.apitoken))
 
+@app.route('/_api/1.0/favorite/', methods=['POST'])
+def api_favorite_edit():
+    pkg = Package.query.filter_by(key=request.form.get('pkg')).first()
+    if not pkg:
+        return jsonify(dict(success=False))
+    if pkg in g.user.favorites:
+        pkg.favorites.remove(g.user)
+    else:
+        pkg.favorites.append(g.user)
+    db.session.commit()
+    return jsonify(dict(success=True, status=(pkg in g.user.favorites)))
+
 @app.route('/_api/1.0/tinderbox/')
 @requires_auth_basic
 def tinderbox_api():
-- 
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