API Changes

API/apache_conf.conf

@@ -0,0 +1,13 @@
+<VirtualHost *>
+    ServerName sdp40.cse.uconn.edu
+
+    LoadModule wsgi_module "/var/www/api/env/lib/python3.6/site-packages/mod_wsgi/server/mod_wsgi-py36.cpython-36m-x86_64-linux-gnu.so"
+
+    WSGIDaemonProcess HuskyTrackAPI threads=1
+    WSGIProcessGroup HuskyTrackAPI
+    WSGIScriptAlias /api /var/www/api/HuskyTrackAPI.wsgi process-group=HuskyTrackAPI application-group=%{GLOBAL}
+    <Directory /var/www/api>
+        Order allow,deny
+        Allow from all
+    </Directory>
+</VirtualHost>

API/api.py

@@ -3,7 +3,7 @@ import sys
 import json
 from datetime import datetime
 
-from flask import Flask, request
+from flask import Flask, request, g
 
 from DataObjects import LocationData
 from sqlalchemy import create_engine
@@ -54,12 +54,20 @@ def get_session(config):
 		# Create session
 		engine = create_engine(url)
 		Session = sessionmaker(bind=engine)
-		session = Session()
+		session = getattr(g, '_session', None)
+		if session is None:
+			session = Session()
 		return session
 
 	except Exception as e:
 		print("Unable to configure database connection. Error:", e)
 		sys.exit()
+
+@app.route('/', methods=('GET', 'POST'))
+def test():
+		if request.method == 'POST':
+		   print (request.get_json())
+		return "Success"
 
 @app.route('/api')
 def api():
@@ -78,27 +86,28 @@ def location_data():
 		if request.is_json:
 			try:
 				raw_location_data = request.get_json()
-				location = raw_location_data["location"]
-				coords = location["coords"]
-				lat = coords["latitude"]
-				lng = coords["longitude"]
-				acc = coords["accuracy"]
-				spd = coords["speed"]
-				hed = coords["heading"]
-				alt = coords["altitude"]
-				tim = location["timestamp"]
-				uuid = location["uuid"]
-				uid = "1"
-				locationData = LocationData(uuid = uuid,
-											uid = uid,
-											latitude = lat,
-											longitude = lng,
-											accuracy = acc,
-											speed = spd,
-											heading = hed,
-											altitude = alt,
-											timestamp = tim)
-				session.add(locationData)
+				locations = raw_location_data["location"]
+				uid = raw_location_data["user_id"]
+				for location in locations:
+					coords = location["coords"]
+					lat = coords["latitude"]
+					lng = coords["longitude"]
+					acc = coords["accuracy"]
+					spd = coords["speed"]
+					hed = coords["heading"]
+					alt = coords["altitude"]
+					tim = location["timestamp"]
+					uuid = location["uuid"]
+					locationData = LocationData(uuid = uuid,
+								uid = uid,
+								latitude = lat,
+								longitude = lng,
+								accuracy = acc,
+								speed = spd,
+								heading = hed,
+								altitude = alt,
+								timestamp = tim)
+					session.add(locationData)
 				session.commit()
 				return "Success"
 			except Exception as e:
@@ -107,7 +116,7 @@ def location_data():
 		else:
 			return "NOT JSON"
 	else:
-		try:
+		if 'start' and 'end' in request.args:
 			start = request.args.get('start')
 			end = request.args.get('end')
 
@@ -138,9 +147,14 @@ def location_data():
 				result.append(json_entry)
 
 			return json.dumps(result)
-		except Exception as e:	
-			print(e)
+		else:
 			return json.dumps([[l.uuid, l.latitude, l.longitude, l.timestamp] for l in session.query(LocationData).all()])
-
+
+@app.teardown_appcontext
+def close_connection(exception):
+    session = getattr(g, '_session', None)
+    if session is not None:
+        session.close()			
+
 if __name__ == '__main__':
-	app.run(debug=True)
+	app.run(host='0.0.0.0', port=44)

API/mrd14005@sdp40.cse.uconn.edu

@@ -0,0 +1,160 @@
+import configparser
+import sys
+import json
+from datetime import datetime
+
+from flask import Flask, request, g
+
+from DataObjects import LocationData
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from collections import defaultdict
+
+app = Flask(__name__)
+
+ISO8601 = "%Y%m%dT%H%M%S"
+ISO8601_O = "%Y-%m-%d %H:%M:%S"
+
+
+def get_config():
+	"""
+		Get the configuration data for the application
+	"""
+	try:
+		config = configparser.SafeConfigParser()
+		config.read('config.ini')
+		return config
+	except Exception as e:
+		print("No configuration file found.", e)
+		sys.exit()
+
+def get_session(config):
+	"""
+		Attempt to initialize the database session, quit if the
+		program cannot find the database.
+	"""
+	try:
+		# Collect Configuration
+		dao_type = config.get('database', 'type').lower()
+		username = config.get('database', 'username')
+		password = config.get('database', 'pass')
+		host = config.get('database', 'host')
+		port = config.get('database', 'port')
+		database = config.get('database', 'database')
+
+		# Build URL
+		if dao_type == 'sqlite':
+			url = dao_type + ":///" + host
+		else:
+			url = dao_type + "://" + username +\
+				  ":" + password + "@" + host + \
+				  ":" + port + "/" + database
+
+		# Create session
+		engine = create_engine(url)
+		Session = sessionmaker(bind=engine)
+		session = getattr(g, '_session', None)
+		if session is None:
+			session = Session()
+		return session
+
+	except Exception as e:
+		print("Unable to configure database connection. Error:", e)
+		sys.exit()
+
+@app.route('/', methods=('GET', 'POST'))
+def test():
+		if request.method == 'POST':
+		   print (request.get_json())
+		return "Success"
+
+@app.route('/api')
+def api():
+	"""
+		Returns the version for compatibility/availability checks"
+	"""
+	return 'v0.1'
+
+@app.route('/api/locationdata', methods=('GET', 'POST'))
+def location_data():
+	"""
+		Request or post location data
+	"""
+	session = get_session(get_config())
+	if request.method == 'POST':
+		if request.is_json:
+			try:
+				raw_location_data = request.get_json()
+				locations = raw_location_data["location"]
+				uid = raw_location_data["user_id"]
+				for location in locations:
+					coords = location["coords"]
+					lat = coords["latitude"]
+					lng = coords["longitude"]
+					acc = coords["accuracy"]
+					spd = coords["speed"]
+					hed = coords["heading"]
+					alt = coords["altitude"]
+					tim = location["timestamp"]
+					uuid = location["uuid"]
+					locationData = LocationData(uuid = uuid,
+								uid = uid,
+								latitude = lat,
+								longitude = lng,
+								accuracy = acc,
+								speed = spd,
+								heading = hed,
+								altitude = alt,
+								timestamp = tim)
+					session.add(locationData)
+				session.commit()
+				return "Success"
+			except Exception as e:
+				session.rollback()
+				return ("Fail", str(e))
+		else:
+			return "NOT JSON"
+	else:
+		if 'start' and 'end' in request.args:
+			start = request.args.get('start')
+			end = request.args.get('end')
+
+			start = datetime.strptime(start, ISO8601)
+			end = datetime.strptime(end, ISO8601)
+
+			print(str([str(start), str(end)]))
+			query_results = session.query(LocationData).filter(LocationData.timestamp > start, LocationData.timestamp < end).all()
+
+			dataPoints = defaultdict(list)
+			for result in query_results:
+				dataPoints[result.uid].append(result)
+
+			result = []
+			for user in dataPoints:
+				print(user)
+				json_entry = json.loads('{}')
+				json_entry['user_id'] = user
+				json_entry['start_time'] = min(dataPoints[user], key=lambda x:x.timestamp).timestamp
+				json_entry['end_time'] = max(dataPoints[user], key=lambda x:x.timestamp).timestamp
+				json_entry['locations'] = []
+				for location in dataPoints[user]:
+					json_location = json.loads('{}')
+					json_location['latitude'] = location.latitude
+					json_location['longitude'] = location.longitude
+					json_location['timestamp'] = location.timestamp
+					json_entry['locations'].append(json_location)
+				result.append(json_entry)
+
+			return json.dumps(result)
+		else:
+			return json.dumps([[l.uuid, l.latitude, l.longitude, l.timestamp] for l in session.query(LocationData).all()])
+
+@app.teardown_appcontext
+def close_connection(exception):
+    session = getattr(g, '_session', None)
+    if session is not None:
+        session.close()			
+
+if __name__ == '__main__':
+	app.run(host='0.0.0.0', port=44)

API/post_test.py

@@ -36,7 +36,7 @@ data = {
 		}
  }
 
-req = urllib2.Request('http://127.0.0.1:5000/api/locationdata')
+req = urllib2.Request('http://sdp40.cse.uconn.edu/api/locationdata')
 req.add_header('Content-Type', 'application/json')
 
 response = urllib2.urlopen(req, json.dumps(data))