unique id for events + creation date

backend.py

@@ -4,6 +4,7 @@
 import falcon
 import psycopg2
 import uuid
+import json
 
 class StatsResource(object):
     def on_get(self, req, resp):
@@ -21,12 +22,37 @@ class StatsResource(object):
         resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
         resp.status = falcon.HTTP_200
 
+class EventResource(object):
+    def on_post(self, req, resp):
+        # get request body payload (json)
+        body = req.stream.read().decode('utf-8')
+        j=json.loads(body)
+        
+        # connect to db and insert
+        db = psycopg2.connect("dbname=oedb")
+        cur = db.cursor()
+        cur.execute("""INSERT INTO events ( events_type, events_what, events_when, events_tags) VALUES (%s, %s, %s, %s) RETURNING events_id;""",(j['type'],j['what'],j['when'], body))
+        # get newly created event id
+        e = cur.fetchone()
+        db.commit()
+        cur.close()
+        db.close()
+        # send back to client
+        resp.body = """{"id":"%s"}""" % (e[0])
+        resp.set_header('X-Powered-By', 'OpenEventDatabase')
+        resp.set_header('Access-Control-Allow-Origin', '*')
+        resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
+        resp.status = falcon.HTTP_200
+
+
 # falcon.API instances are callable WSGI apps
 app = falcon.API()
 
 # Resources are represented by long-lived class instances
+event = EventResource()
 stats = StatsResource()
 
 # things will handle all requests to the matching URL path
+app.add_route('/event', event)  # handle single event requests
 app.add_route('/stats', stats)
 

setup.sql

@@ -41,6 +41,20 @@ CREATE EXTENSION IF NOT EXISTS postgis WITH SCHEMA public;
 COMMENT ON EXTENSION postgis IS 'PostGIS geometry, geography, and raster spatial types and functions';
 
 
+--
+-- Name: uuid-ossp; Type: EXTENSION; Schema: -; Owner: -
+--
+
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp" WITH SCHEMA public;
+
+
+--
+-- Name: EXTENSION "uuid-ossp"; Type: COMMENT; Schema: -; Owner: -
+--
+
+COMMENT ON EXTENSION "uuid-ossp" IS 'generate universally unique identifiers (UUIDs)';
+
+
 SET search_path = public, pg_catalog;
 
 --
@@ -72,10 +86,19 @@ CREATE TABLE events (
     events_where geometry,
     events_when timestamp with time zone,
     events_type text,
-    events_tags json
+    events_tags json,
+    events_id uuid DEFAULT uuid_generate_v4(),
+    createdate timestamp without time zone DEFAULT now()
 );
 
 
+--
+-- Name: events_idx_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE UNIQUE INDEX events_idx_id ON events USING btree (events_id);
+
+
 --
 -- Name: events_idx_what; Type: INDEX; Schema: public; Owner: -
 --