add stimulus activation report

fgs/model.py

@@ -26,10 +26,12 @@ class DataPoint(db.Model):
 
 class StimulusActivation(db.Model):
     id = db.Column(db.Integer, primary_key=True)
+    collar_id = db.Column(db.Integer, db.ForeignKey('collar.id'))
     longitude = db.Column(db.Float(precision=10))
     latitude = db.Column(db.Float(precision=10))
     volume_level = db.Column(db.Integer)
     voltage_level = db.Column(db.Integer)
+    datetime = db.Column(db.DateTime)
 
 class User(db.Model):
     id = db.Column(db.Integer, primary_key=True)

fgs/views.py

@@ -4,6 +4,7 @@ from .model import *
 from flask import g, jsonify, request, abort
 from sqlalchemy import func
 import geopy.distance
+from datetime import datetime, timedelta
 
 @app.route('/')
 def index():
@@ -49,7 +50,7 @@ def collars_distance():
         distance_kilometers = 0
         coords_pairs = list(map(lambda e : (e.longitude, e.latitude), coords))
 
-        coord_last = coords_pairs.pop()
+        coord_last = coords_pairs.pop(0)
         for coord in coords_pairs:
             distance_kilometers += geopy.distance.VincentyDistance(coord_last,coord).km
             coord_last = coord
@@ -79,4 +80,12 @@ def collar_detail(id):
     collar = Collar.query.filter_by(id=id).first()
     if collar is None: abort(404)
 
-    return jsonify({'id': collar.id, 'name': collar.name })
+    # get stimulus activation reports from within last 24 hours
+    since = datetime.now() - timedelta(hours=24)
+    stimulus_points = StimulusActivation.query.\
+            filter_by(collar_id=id).\
+            filter(StimulusActivation.datetime < since).\
+            order_by(StimulusActivation.datetime.desc())
+    n_stimulus = stimulus_points.count() 
+
+    return jsonify({'id': collar.id, 'name': collar.name, 'stimilus': n_stimulus })