[gnome-maps/wip/mlundblad/photon-geocode: 2/11] Add module with common Photon geocode parser



commit d24569e7c91b3275dc1056cb072a7d222304e8f6
Author: Marcus Lundblad <ml update uu se>
Date:   Sat May 25 23:18:55 2019 +0200

    Add module with common Photon geocode parser
    
    Common function for parsing properties from
    Photon and legacy GraphHopper geocoding results.

 po/POTFILES.in                       |   1 +
 src/org.gnome.Maps.src.gresource.xml |   1 +
 src/photonParser.js                  | 207 +++++++++++++++++++++++++++++++++++
 3 files changed, 209 insertions(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 2717864..39a716a 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -42,6 +42,7 @@ src/mapView.js
 src/openTripPlanner.js
 src/osmConnection.js
 src/osmEditDialog.js
+src/photonParser.js
 src/placeBubble.js
 src/placeEntry.js
 src/place.js
diff --git a/src/org.gnome.Maps.src.gresource.xml b/src/org.gnome.Maps.src.gresource.xml
index 16c64b1..04164ed 100644
--- a/src/org.gnome.Maps.src.gresource.xml
+++ b/src/org.gnome.Maps.src.gresource.xml
@@ -49,6 +49,7 @@
     <file>osmTypes.js</file>
     <file>osmUtils.js</file>
     <file>overpass.js</file>
+    <file>photonParser.js</file>
     <file>place.js</file>
     <file>placeBubble.js</file>
     <file>placeEntry.js</file>
diff --git a/src/photonParser.js b/src/photonParser.js
new file mode 100644
index 0000000..1edd3f6
--- /dev/null
+++ b/src/photonParser.js
@@ -0,0 +1,207 @@
+/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
+/* vim: set et ts=4 sw=4: */
+/*
+ * Copyright (c) 2019 Marcus Lundblad.
+ *
+ * GNOME Maps is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * GNOME Maps is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with GNOME Maps; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Marcus Lundblad <ml update uu se>
+ */
+
+const _ = imports.gettext.gettext;
+
+const Geocode = imports.gi.GeocodeGlib;
+const GWeather = imports.gi.GWeather;
+
+const Address = imports.address;
+const OSMTypes = imports.osmTypes;
+const Place = imports.place;
+const Utils = imports.utils;
+
+function parsePlace(latitude, longitude, properties) {
+    let location = new Geocode.Location({ latitude:  latitude,
+                                          longitude: longitude,
+                                          accuracy:  0.0 });
+    let type = _parsePlaceType(properties);
+    let name = _parseName(properties);
+
+    if (!name)
+        return null;
+
+    let street = properties.street;
+    let housenumber = properties.housenumber;
+    let countryCode = Utils.getCountryCodeForCoordinates(latitude, longitude);
+    let streetAddress;
+
+    if (housenumber && street) {
+        streetAddress = Address.streetAddressForCountryCode(street, housenumber,
+                                                            countryCode);
+
+        /* in some cases Photon seems to give housenumber or street as name,
+         * in that case set the name as the formatted street address
+         */
+        if (name === housenumber || name === street)
+            name = streetAddress;
+    }
+
+    let place = new Geocode.Place({ name:       name,
+                                    place_type: type,
+                                    location:   location });
+
+    if (streetAddress)
+        place.street_address = streetAddress;
+
+    if (properties.osm_id && properties.osm_type) {
+        place.osm_id = properties.osm_id + ''; // Geocode-glib needs this as a string
+        place.osm_type = _parseOsmType(properties.osm_type);
+    }
+
+    if (properties.street)
+        place.street = properties.street;
+
+    if (properties.city)
+        place.town = properties.city;
+
+    if (properties.postcode)
+        place.postal_code = properties.postcode;
+
+    if (properties.state)
+        place.state = properties.state;
+
+    if (countryCode)
+        place.country_code = countryCode;
+
+    if (!countryCode && properties.country)
+        place.country = properties.country;
+
+    return new Place.Place({ place: place });
+}
+
+function _parseName(properties) {
+    if (!properties)
+        return '';
+
+    if (properties.name) {
+        return properties.name;
+    } else if (properties.housenumber) {
+        return properties.housenumber;
+    } else {
+        let typeTitle =
+            OSMTypes.lookupType(properties.osm_key, properties.osm_value);
+
+        return typeTitle || _("Unnamed place");
+    }
+}
+
+function _parseOsmType(osmType) {
+    switch (osmType) {
+        case 'N':
+            return Geocode.PlaceOsmType.NODE;
+        case 'W':
+            return Geocode.PlaceOsmType.WAY;
+        case 'R':
+            return Geocode.PlaceOsmType.RELATION;
+        default:
+            return Geocode.PlaceOsmType.UNKNOWN;
+    }
+}
+
+function _parsePlaceType(properties) {
+    if (!properties)
+        return Geocode.PlaceType.UNKNOWN;
+
+    let key = properties.osm_key;
+    let value = properties.osm_value;
+
+    switch (key) {
+        case 'place':
+            switch (value) {
+                case 'continent':
+                    return Geocode.PlaceType.CONTINENT;
+                case 'country':
+                    return Geocode.PlaceType.COUNTRY;
+                case 'city':
+                case 'town':
+                case 'village':
+                    return Geocode.PlaceType.TOWN;
+                case 'suburb':
+                    return Geocode.PlaceType.SUBURB;
+                case 'house':
+                    return Geocode.PlaceType.BUILDING;
+                case 'island':
+                    return Geocode.PlaceType.ISLAND;
+                case 'municipality':
+                    return Geocode.PlaceType.COUNTY;
+                default:
+                    return Geocode.PlaceType.MISCELLANEOUS;
+            }
+        case 'amenity':
+            switch (value) {
+                case 'bar':
+                case 'pub':
+                case 'nightclub':
+                    return Geocode.PlaceType.BAR;
+                case 'restaurant':
+                case 'fast_food':
+                    return Geocode.PlaceType.RESTAURANT;
+                case 'school':
+                case 'kindergarten':
+                    return Geocode.PlaceType.SCHOOL;
+                case 'place_of_worship':
+                    return Geocode.PlaceType.PLACE_OF_WORSHIP;
+                case 'bus_station':
+                    return Geocode.PlaceType.BUS_STOP;
+                default:
+                    return Geocode.PlaceType.MISCELLANEOUS;
+            }
+        case 'highway':
+            switch (value) {
+                case 'bus_stop':
+                    return Geocode.PlaceType.BUS_STOP;
+                case 'motorway':
+                    return Geocode.PlaceType.MOTORWAY;
+                default:
+                    return Geocode.PlaceType.STREET;
+            }
+        case 'railway':
+            switch (value) {
+                case 'station':
+                case 'stop':
+                case 'halt':
+                    return Geocode.PlaceType.RAILWAY_STATION;
+                case 'tram_stop':
+                    return Geocode.PlaceType.LIGHT_RAIL_STATION;
+                default:
+                    return Geocode.PlaceType.MISCELLANEOUS;
+            }
+        case 'aeroway':
+            switch (value) {
+                case 'aerodrome':
+                    return Geocode.PlaceType.AIRPORT;
+                default:
+                    return Geocode.PlaceType.MISCELLANEOUS;
+            }
+        case 'building':
+            switch (value) {
+                case 'yes':
+                    return Geocode.PlaceType.BUILDING;
+                case 'railway_station':
+                    return Geocode.PlaceType.RAILWAY_STATION;
+                default:
+                    return Geocode.PlaceType.MISCELLANEOUS;
+            }
+        default:
+            return Geocode.PlaceType.MISCELLANEOUS;
+    }
+}


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