Add basic Image Group functions

Make the Upload Pannel usable on mobile
Remove useless code as Django had built-in functions to read the config
Remove useless JS code
Cleanup tempaltes

gallery/groups.py

@@ -0,0 +1,89 @@
+"""
+Onlylegs - API endpoints
+Used intermally by the frontend and possibly by other applications
+"""
+import logging
+import json
+from datetime import datetime as dt
+
+from flask import Blueprint, abort, jsonify, render_template, url_for, request, g
+
+from sqlalchemy.orm import sessionmaker
+
+from gallery.auth import login_required
+
+from . import db # Import db to create a session
+
+
+blueprint = Blueprint('group', __name__, url_prefix='/group')
+db_session = sessionmaker(bind=db.engine)
+db_session = db_session()
+
+
+@blueprint.route('/', methods=['GET'])
+def groups():
+    """
+    Group overview, shows all image groups
+    """
+    groups = db_session.query(db.Groups).all()
+    
+    for group in groups:
+        thumbnail = db_session.query(db.GroupJunction.post_id).filter(db.GroupJunction.group_id == group.id).order_by(db.GroupJunction.date_added.desc()).first()
+        
+        if thumbnail is not None:
+            thumbnail_filename = db_session.query(db.Posts.file_name).filter(db.Posts.id == thumbnail[0]).first()
+            group.thumbnail = thumbnail_filename[0]
+        else:
+            group.thumbnail = None
+    
+    return render_template('groups/list.html', groups=groups)
+
+@blueprint.route('/<int:group_id>')
+def group(group_id):
+    """
+    Group view, shows all images in a group
+    """
+    group = db_session.query(db.Groups).filter(db.Groups.id == group_id).first()
+    
+    if group is None:
+        abort(404, 'Group not found')
+    
+    group_images = db_session.query(db.GroupJunction.post_id).filter(db.GroupJunction.group_id == group_id).order_by(db.GroupJunction.date_added.desc()).all()
+    
+    images = []
+    for image in group_images:
+        image = db_session.query(db.Posts).filter(db.Posts.id == image[0]).first()
+        images.append(image)
+    
+    return render_template('groups/group.html', group=group, images=images)
+
+@blueprint.route('/<int:group_id>/<int:image_id>')
+def group_post(group_id, image_id):
+    """
+    Image view, shows the image and its metadata from a specific group
+    """
+    img = db_session.query(db.Posts).filter(db.Posts.id == image_id).first()
+
+    if img is None:
+        abort(404, 'Image not found')
+
+    img.author_username = db_session.query(db.Users.username).filter(db.Users.id == img.author_id).first()[0]
+    
+    groups = db_session.query(db.GroupJunction.group_id).filter(db.GroupJunction.post_id == image_id).all()
+    img.groups = []
+    for group in groups:
+        group = db_session.query(db.Groups).filter(db.Groups.id == group[0]).first()
+        img.groups.append(group)
+    
+    next = db_session.query(db.GroupJunction.post_id).filter(db.GroupJunction.group_id == group_id).filter(db.GroupJunction.post_id > image_id).order_by(db.GroupJunction.date_added.asc()).first()    
+    prev = db_session.query(db.GroupJunction.post_id).filter(db.GroupJunction.group_id == group_id).filter(db.GroupJunction.post_id < image_id).order_by(db.GroupJunction.date_added.desc()).first()
+    
+    if next is not None:
+        next = url_for('group.group_post', group_id=group_id, image_id=next[0])
+    if prev is not None:
+        prev = url_for('group.group_post', group_id=group_id, image_id=prev[0])
+
+    return render_template('image.html',
+                           image=img,
+                           next_url=next,
+                           prev_url=prev)