def add_new_location():
"""Add user's new favorite location to map."""
user_id = session.get('user_id')
location_id = int(request.form.get('location_id'))
new_fav_loc = Fav_Loc(user_id=user_id, location_id=location_id)
db.session.add(new_fav_loc)
db.session.commit()
location = Location.query.filter(Location.location_id == location_id).first()
new_marker = Marker(location.location_name, location.longitude, location.latitude, location.location_id)
marker_list = []
marker_geojson = new_marker.generate_geojson()
marker_list.append(marker_geojson)
marker_collection = geojson.FeatureCollection(marker_list)
return jsonify(location_name=location.location_name, marker_collection=marker_collection)
def show_map():
"""Renders main map view. Queries database for user's favorite locations and makes geoJSON feature collection to put markers on map."""
# print session
user_id = session.get('user_id')
user = User.query.filter_by(user_id=user_id).first()
fav_loc = db.session.query(Location).join(Fav_Loc).filter(Fav_Loc.user_id == user_id).all()
marker_list = []
locations = Location.query.all()
for location in fav_loc:
marker = Marker(location.location_name, location.longitude, location.latitude, location.location_id)
marker_geojson = marker.generate_geojson()
marker_list.append(marker_geojson)
marker_collection = geojson.FeatureCollection(marker_list)
return render_template("homepage.html", locations=locations, marker_collection=marker_collection, user=user, fav_loc=fav_loc)
