From cba60c2aeea05272b373f7aced8b9d48fe049fa9 Mon Sep 17 00:00:00 2001
From: rimu <3310831+rimu@users.noreply.github.com>
Date: Wed, 8 May 2024 19:55:04 +1200
Subject: [PATCH] language filter on community list #51

---
 app/main/routes.py                  | 12 +++++++-----
 app/templates/list_communities.html | 10 ++++++++++
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/app/main/routes.py b/app/main/routes.py
index bfae1160..701a0041 100644
--- a/app/main/routes.py
+++ b/app/main/routes.py
@@ -29,7 +29,7 @@ from app.utils import render_template, get_setting, gibberish, request_etag_matc
     blocked_instances, communities_banned_from, topic_tree, recently_upvoted_posts, recently_downvoted_posts, \
     generate_image_from_video_url, blocked_users
 from app.models import Community, CommunityMember, Post, Site, User, utcnow, Domain, Topic, File, Instance, \
-    InstanceRole, Notification
+    InstanceRole, Notification, Language, community_language
 from PIL import Image
 import pytesseract
 
@@ -185,20 +185,22 @@ def list_communities():
     verification_warning()
     search_param = request.args.get('search', '')
     topic_id = int(request.args.get('topic_id', 0))
+    language_id = int(request.args.get('language_id', 0))
     sort_by = text('community.' + request.args.get('sort_by') if request.args.get('sort_by') else 'community.post_reply_count desc')
     topics = Topic.query.order_by(Topic.name).all()
+    languages = Language.query.order_by(Language.name).all()
     communities = Community.query.filter_by(banned=False)
     if search_param == '':
         pass
     else:
         communities = communities.filter(or_(Community.title.ilike(f"%{search_param}%"), Community.ap_id.ilike(f"%{search_param}%")))
-        #query = search(select(Community), search_param, sort=True)  # todo: exclude banned communities from search
-        #communities = db.session.scalars(query).all()
-
 
     if topic_id != 0:
         communities = communities.filter_by(topic_id=topic_id)
 
+    if language_id != 0:
+        communities = communities.join(community_language).filter(community_language.c.language_id == language_id)
+
     if current_user.is_authenticated:
         banned_from = communities_banned_from(current_user.id)
         if banned_from:
@@ -207,7 +209,7 @@ def list_communities():
     return render_template('list_communities.html', communities=communities.order_by(sort_by).all(), search=search_param, title=_('Communities'),
                            SUBSCRIPTION_PENDING=SUBSCRIPTION_PENDING, SUBSCRIPTION_MEMBER=SUBSCRIPTION_MEMBER,
                            SUBSCRIPTION_OWNER=SUBSCRIPTION_OWNER, SUBSCRIPTION_MODERATOR=SUBSCRIPTION_MODERATOR,
-                           topics=topics, topic_id=topic_id, sort_by=sort_by,
+                           topics=topics, languages=languages, topic_id=topic_id, language_id=language_id, sort_by=sort_by,
                            low_bandwidth=request.cookies.get('low_bandwidth', '0') == '1', moderating_communities=moderating_communities(current_user.get_id()),
                            joined_communities=joined_communities(current_user.get_id()))
 
diff --git a/app/templates/list_communities.html b/app/templates/list_communities.html
index d3e86bc1..945ec211 100644
--- a/app/templates/list_communities.html
+++ b/app/templates/list_communities.html
@@ -33,6 +33,16 @@
                     </select>
                 </form>
         {% endif %}
+        {% if languages %}
+                <form method="get" style="display:inline;">Language:
+                    <select name="language_id" class="form-control-sm submit_on_change" aria-label="{{ _('Choose a language to filter communities by') }}">
+                        <option value="0">All</option>
+                        {% for language in languages %}
+                            <option value="{{ language.id }}" {{ 'selected' if language.id == language_id }}>{{ language.name }}</option>
+                        {% endfor %}
+                    </select>
+                </form>
+        {% endif %}
         <form method="get" style="display:inline;"><input type="search" name="search" placeholder="{{ _('Search') }}" value="{{ search }}"></form>
     </div>
     <div class="col-auto">