Adds an editor for geometry and properties

This commit is contained in:
Laurent Bossavit 2016-05-05 22:31:54 +02:00
parent 6ef16787ab
commit 8bf79a1288
4 changed files with 285 additions and 10 deletions

View file

@ -6,6 +6,7 @@ import falcon
import psycopg2
import uuid
import json
import codecs
def db_connect():
db_host = os.getenv("DB_HOST","localhost")
@ -13,6 +14,11 @@ def db_connect():
db = psycopg2.connect(dbname="oedb",host=db_host,password=db_password,user="postgres")
return db
def standard_headers(resp):
resp.set_header('X-Powered-By', 'OpenEventDatabase')
resp.set_header('Access-Control-Allow-Origin', '*')
resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
class StatsResource(object):
def on_get(self, req, resp):
db = db_connect()
@ -22,10 +28,21 @@ class StatsResource(object):
cur.close()
db.close()
standard_headers(resp)
resp.body = """{"events_count": %s, "last_created": "%s", "last_updated": "%s"}""" % (stat[0], stat[1],stat[2])
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
class EventsResource(object):
def on_get(self,req,resp):
db = db_connect()
cur = db.cursor()
# get event geojson Feature
cur.execute("""
SELECT format('{"type":"Feature", "id": "'|| events_id::text ||'", "properties": '|| events_tags::text ||', "geometry":'|| st_asgeojson(geom)) ||' }'
FROM events
JOIN geo ON (hash=events_geo)""");
standard_headers(resp)
resp.body = '{"type": "FeatureCollection","features": ['+','.join([x[0] for x in cur.fetchall()])+']}'
resp.status = falcon.HTTP_200
class EventResource(object):
@ -39,9 +56,7 @@ FROM events
JOIN geo ON (hash=events_geo)
WHERE events_id=%s;""", (id,))
e = cur.fetchone()
resp.set_header('X-Powered-By', 'OpenEventDatabase')
resp.set_header('Access-Control-Allow-Origin', '*')
resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
standard_headers(resp)
if e is not None:
resp.body = e[0]
resp.status = falcon.HTTP_200
@ -50,9 +65,7 @@ WHERE events_id=%s;""", (id,))
db.close()
def on_post(self, req, resp):
resp.set_header('X-Powered-By', 'OpenEventDatabase')
resp.set_header('Access-Control-Allow-Origin', '*')
resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
standard_headers(resp)
# get request body payload (geojson Feature)
body = req.stream.read().decode('utf-8')
@ -94,16 +107,25 @@ WHERE events_id=%s;""", (id,))
resp.body = """{"id":"%s"}""" % (e[0])
resp.status = falcon.HTTP_201
class StaticResource(object):
def on_get(self, req, resp):
resp.status = falcon.HTTP_200
resp.content_type = 'text/html'
with codecs.open('editor/index.html', 'r', 'utf-8') as f:
resp.body = f.read()
# falcon.API instances are callable WSGI apps
app = falcon.API()
# Resources are represented by long-lived class instances
events = EventsResource()
event = EventResource()
stats = StatsResource()
editor = StaticResource()
# things will handle all requests to the matching URL path
app.add_route('/events', events)
app.add_route('/event/{id}', event) # handle single event requests
app.add_route('/event', event) # handle single event requests
app.add_route('/stats', stats)
app.add_route('/editor', editor)