Adds an editor for geometry and properties
This commit is contained in:
Laurent Bossavit
parent
6ef16787ab
commit
8bf79a1288
4 changed files with 285 additions and 10 deletions
42
backend.py
42
backend.py
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@ -6,6 +6,7 @@ import falcon
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import psycopg2
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import uuid
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import json
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import codecs
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def db_connect():
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db_host = os.getenv("DB_HOST","localhost")
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@ -13,6 +14,11 @@ def db_connect():
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db = psycopg2.connect(dbname="oedb",host=db_host,password=db_password,user="postgres")
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return db
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def standard_headers(resp):
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resp.set_header('X-Powered-By', 'OpenEventDatabase')
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resp.set_header('Access-Control-Allow-Origin', '*')
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resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
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class StatsResource(object):
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def on_get(self, req, resp):
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db = db_connect()
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@ -22,10 +28,21 @@ class StatsResource(object):
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cur.close()
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db.close()
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standard_headers(resp)
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resp.body = """{"events_count": %s, "last_created": "%s", "last_updated": "%s"}""" % (stat[0], stat[1],stat[2])
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resp.set_header('X-Powered-By', 'OpenEventDatabase')
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resp.set_header('Access-Control-Allow-Origin', '*')
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resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
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resp.status = falcon.HTTP_200
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class EventsResource(object):
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def on_get(self,req,resp):
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db = db_connect()
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cur = db.cursor()
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# get event geojson Feature
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cur.execute("""
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SELECT format('{"type":"Feature", "id": "'|| events_id::text ||'", "properties": '|| events_tags::text ||', "geometry":'|| st_asgeojson(geom)) ||' }'
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FROM events
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JOIN geo ON (hash=events_geo)""");
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standard_headers(resp)
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resp.body = '{"type": "FeatureCollection","features": ['+','.join([x[0] for x in cur.fetchall()])+']}'
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resp.status = falcon.HTTP_200
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class EventResource(object):
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@ -39,9 +56,7 @@ FROM events
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JOIN geo ON (hash=events_geo)
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WHERE events_id=%s;""", (id,))
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e = cur.fetchone()
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resp.set_header('X-Powered-By', 'OpenEventDatabase')
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resp.set_header('Access-Control-Allow-Origin', '*')
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resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
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standard_headers(resp)
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if e is not None:
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resp.body = e[0]
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resp.status = falcon.HTTP_200
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@ -50,9 +65,7 @@ WHERE events_id=%s;""", (id,))
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db.close()
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def on_post(self, req, resp):
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resp.set_header('X-Powered-By', 'OpenEventDatabase')
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resp.set_header('Access-Control-Allow-Origin', '*')
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resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
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standard_headers(resp)
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# get request body payload (geojson Feature)
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body = req.stream.read().decode('utf-8')
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@ -94,16 +107,25 @@ WHERE events_id=%s;""", (id,))
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resp.body = """{"id":"%s"}""" % (e[0])
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resp.status = falcon.HTTP_201
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class StaticResource(object):
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def on_get(self, req, resp):
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resp.status = falcon.HTTP_200
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resp.content_type = 'text/html'
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with codecs.open('editor/index.html', 'r', 'utf-8') as f:
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resp.body = f.read()
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# falcon.API instances are callable WSGI apps
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app = falcon.API()
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# Resources are represented by long-lived class instances
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events = EventsResource()
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event = EventResource()
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stats = StatsResource()
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editor = StaticResource()
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# things will handle all requests to the matching URL path
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app.add_route('/events', events)
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app.add_route('/event/{id}', event) # handle single event requests
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app.add_route('/event', event) # handle single event requests
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app.add_route('/stats', stats)
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app.add_route('/editor', editor)
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17
editor/event-schema.json
Normal file
17
editor/event-schema.json
Normal file
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@ -0,0 +1,17 @@
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{
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"title": "Evenement",
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"type": "object",
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"id": "event",
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"properties": {
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"what" : {
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"type":"string",
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"title":"Libellé de l'événement"
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},
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"when" : {
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"title":"Date et heure de début",
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"type" : "string",
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"format" : "datetime-local"
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}
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}
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}
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167
editor/index.html
Normal file
167
editor/index.html
Normal file
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@ -0,0 +1,167 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title> Détail d'un événement </title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/json-editor/0.7.25/jsoneditor.min.js"></script>
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<script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"/>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap-theme.min.css"/>
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
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<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css" />
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<script src="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js"></script>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet.draw/0.2.3/leaflet.draw.css"/>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet.draw/0.2.3/leaflet.draw.js"></script>
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<link rel="stylesheet" id="icon_stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.0.3/css/font-awesome.css">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.5/handlebars.min.js"></script>
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<script id="entry-template" type="text/x-handlebars-template">
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{{#each features}}
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<div class="entry">
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<a id="{{id}}" href="#">{{properties.what}}</a>
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</div>
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{{/each}}
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</script>
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</head>
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<body>
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<div id="map" style="position: absolute; top: 0; left: 0; width: 50%; height: 100%;"></div>
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<div class="container" style="position: absolute; top: 0; left: 50%; width: 50%; height: 100%; margin: 20px;">
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<div class="row">
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<div class="span8 col-md-8 columns eight large-8">
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<div class="tab-content" id="tabs">
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<div role="tabpanel" class="tab-pane active" id="events_list"><h1>Events</h1></div>
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<div role="tabpanel" class="tab-pane" id="json_editor"/>
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</div>
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</div>
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</div>
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</div>
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<div id="submit"/><div id="restore"/><div id="valid_indicator"/>
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<script>
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// Initialize the editor
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var editor = new JSONEditor(document.getElementById('json_editor'),{
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// Enable fetching schemas via ajax
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ajax: true,
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// The schema for the editor
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schema: {
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"title": "Evenement",
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"type": "object",
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"id": "event",
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"properties": {
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"what" : {
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"type":"string",
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"title":"Libellé de l'événement"
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},
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"when" : {
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"title":"Date et heure de début",
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"type" : "string",
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"format" : "datetime-local"
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}
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}
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},
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iconlib: "fontawesome4",
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theme: "bootstrap3",
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// Seed the form with a starting value
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startval: {}
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});
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// Hook up the submit button to log to the console
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document.getElementById('submit').addEventListener('click',function() {
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// Get the value from the editor
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console.log(editor.getValue());
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});
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// Hook up the Restore to Default button
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document.getElementById('restore').addEventListener('click',function() {
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editor.setValue(starting_value);
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});
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// Hook up the validation indicator to update its
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// status whenever the editor changes
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editor.on('change',function() {
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// Get an array of errors from the validator
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var errors = editor.validate();
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var indicator = document.getElementById('valid_indicator');
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// Not valid
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if(errors.length) {
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indicator.className = 'label alert';
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indicator.textContent = 'not valid';
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}
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// Valid
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else {
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indicator.className = 'label success';
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indicator.textContent = 'valid';
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}
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});
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</script>
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<script>
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var osmUrl = 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
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osmAttrib = '© <a href="http://openstreetmap.org/copyright">OpenStreetMap</a> contributors',
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osm = L.tileLayer(osmUrl, {maxZoom: 18, attribution: osmAttrib}),
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map = new L.Map('map', {layers: [osm], center: new L.LatLng(48.9244643, 2.3594117), zoom: 15 });
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var drawnItems = new L.FeatureGroup();
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map.addLayer(drawnItems);
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$("#tabs").tab();
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$.getJSON("/events",function(events) {
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events["features"].map(function(event) {
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L.geoJson(event["geometry"]).addTo(drawnItems);
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});
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var source = $("#entry-template").html();
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var template = Handlebars.compile(source);
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$('#events_list').append(template(events));
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$('#events_list a').click(function(item) {
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// Load properties in editor
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events["features"].map(function(event) {
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if (event.id == item.target.id) {
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editor.setValue(event["properties"]);
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}
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});
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// TODO - focus map on layer
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// Switch tabs
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$("#events_list").removeClass("active");
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$("#json_editor").addClass("active");
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return false;
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});
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});
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var drawControl = new L.Control.Draw({
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draw: {
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position: 'topleft',
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polyline: false,
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circle: false,
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marker: false
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},
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edit: {
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featureGroup: drawnItems
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}
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});
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map.addControl(drawControl);
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map.on('draw:created', function (e) {
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var type = e.layerType,
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layer = e.layer;
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drawnItems.addLayer(e.layer);
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});
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</script>
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</body>
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</html>
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69
examples/other.json
Normal file
69
examples/other.json
Normal file
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@ -0,0 +1,69 @@
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{
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"geometry":
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{
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"type": "Polygon",
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"coordinates": [
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[
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[
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2.396119236946106,
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48.84943571607033
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],
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[
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2.395314574241638,
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48.84936511598567
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],
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[
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2.394644021987915,
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48.8490791846248
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],
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[
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2.394316792488098,
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48.84860968884877
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],
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[
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2.3943114280700684,
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48.84820020021693
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],
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[
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2.3946386575698853,
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48.84773775644264
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],
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[
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2.3950570821762085,
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48.84749064733159
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],
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[
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2.3957008123397827,
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],
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[
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2.396720051765442,
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],
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[
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2.3973584175109863,
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],
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[
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2.39751398563385,
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48.84849672680203
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],
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[
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2.3970580101013184,
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48.849114484881156
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],
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[
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2.396119236946106,
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48.84943571607033
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]
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]
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]
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}
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,
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"properties":{
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"type":"protest"
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,"what":"Loi travail"
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,"start":"2016-06-10T21:00+01:00"
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,"stop":"2016-06-10T23:30+01:00"
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}
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}
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