Updated SQL command

fgs/__init__.py

@@ -3,7 +3,7 @@ from flask_sqlalchemy import SQLAlchemy
 import os
 
 app = Flask(__name__)
-app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///./data.sqlite'
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.getenv('DB_LOC')
 app.secret_key = os.environ.get('FGS_SECRET_KEY') or 'default secret key'
 
 db = SQLAlchemy(app)

fgs/views.py

@@ -1,4 +1,4 @@
-from . import app
+from . import app, db
 from .jwt import jwt_required
 from .model import *
 from flask import g, jsonify, request, abort
@@ -25,18 +25,16 @@ def me():
 @app.route('/collars')
 @jwt_required
 def collars():
-    active_collars = Collar.query.\
-            filter_by(active=True).\
-            join(DataPoint, isouter=True).\
-            order_by(DataPoint.datetime.desc()).\
-            group_by(Collar.id).\
-            with_entities(
-                    Collar.id, Collar.name,
-                    DataPoint.longitude, DataPoint.latitude).\
-            all()
-    active_collars = [
-            {'id': id, 'name': name, 'pos': {'longitude': lo, 'latitude': la}}
-            for (id, name, lo, la) in active_collars]
+    active_collars = []
+    for collar in Collar.query.filter_by(active=True).all():
+        max_point = DataPoint.query.filter_by(collar_id=collar.id).\
+                order_by(DataPoint.datetime.desc()).\
+                first()
+        active_collars.append(
+            {'id': collar.id, 'name': collar.name, 'pos':
+                {'longitude': max_point.longitude, 'latitude': max_point.latitude}}
+        )
+
     return jsonify(active_collars)
 
 @app.route('/collars/<int:id>/history')