ES6: Migrated GeoLocation

.eslintrc.yaml

@@ -10,6 +10,9 @@ globals:
   _: true
   $: true
   amplify: true
+  describe: true
+  expect: true
+  it: true
   ko: true
   LRUCache: true
   wire: true

app/script/location/GeoLocation.js

@@ -0,0 +1,92 @@
+/*
+ * Wire
+ * Copyright (C) 2016 Wire Swiss GmbH
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program. If not, see http://www.gnu.org/licenses/.
+ *
+ */
+
+'use strict';
+
+window.z = window.z || {};
+
+z.location = (() => {
+  const GOOGLE_GEOCODING_BASE_URL = 'https://maps.googleapis.com/maps/api/geocode/json';
+  const API_KEY = 'AIzaSyCKxxKw5JBZ5zEFtoirtgnw8omvH7gWzfo';
+  let _parse_results = results => {
+    let res = {};
+    let result = results[0];
+    res['address'] = result.formatted_address;
+    res['lat'] = result.geometry.location.lat;
+    res['lng'] = result.geometry.location.lng;
+    let ref = result.address_components;
+    for (let i = 0, len = ref.length; i < len; i++) {
+      let component = ref[i];
+      let name = component.long_name || component.short_name;
+      for (let j = 0, len1 = component.types.length; j < len1; j++) {
+        let type = component.types[j];
+        res[type] = name;
+        if (type === 'country') {
+          res['country_code'] = component.short_name || '';
+        }
+      }
+    }
+    res['place'] = res.locality || res.natural_feature || res.administrative_area_level_3 || res.administrative_area_level_2 || res.administrative_area_level_1;
+    delete (res.political != null);
+  };
+
+  /*
+  Reverse loop up for geo location
+  @param latitude [Number] latitude
+  @param longitude [Number] longitude
+   */
+  let get_location = (latitude, longitude) => new Promise((resolve, reject) => {
+    if ((latitude == null) || (longitude == null)) {
+      reject(new Error('You need to specify latitude and longitude in order to retrieve the location'));
+    }
+    return $.ajax({
+      url: `${GOOGLE_GEOCODING_BASE_URL}?latlng=${latitude},${longitude}&key=${API_KEY}`,
+    }).done(response => {
+      if (response.status === 'OK') {
+        return resolve(_parse_results(response.results));
+      }
+      return resolve();
+    }).fail((jqXHR, textStatus, errorThrown) => reject(new Error(errorThrown)));
+  });
+
+  /*
+  Return link to google maps
+
+  @param lat [Number] latitude
+  @param lng [Number] longitude
+  @param name [String] location name
+  @param zoom [String] map zoom level
+   */
+  let get_maps_url = (lat, lng, name, zoom) => {
+    let base_url;
+    base_url = 'https://google.com/maps/';
+    if (name != null) {
+      base_url += `place/${name}/`;
+    }
+    base_url += `@${lat},${lng}`;
+    if (zoom != null) {
+      base_url += `,${zoom}z`;
+    }
+    return base_url;
+  };
+  return {
+    get_location,
+    get_maps_url,
+  };
+})();

test/unit_tests/location/GeoLocationSpec.js

@@ -0,0 +1,40 @@
+/*
+ * Wire
+ * Copyright (C) 2016 Wire Swiss GmbH
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program. If not, see http://www.gnu.org/licenses/.
+ *
+ */
+
+// grunt test_init && grunt test_run:location/GeoLocation
+
+'use strict';
+
+describe('z.location', () => describe('get_maps_url', () => {
+  it('should return proper url when lat and long is given', () => {
+    expect(z.location.get_maps_url(52, 13)).toBe('https://google.com/maps/@52,13')
+  });
+
+  it('should return proper url when lat, long and zoom is given', () => {
+    expect(z.location.get_maps_url(52, 13, null, 14)).toBe('https://google.com/maps/@52,13,14z')
+  });
+
+  it('should return proper url when lat, long and name is given', () => {
+    expect(z.location.get_maps_url(52, 13, 'Berlin')).toBe('https://google.com/maps/place/Berlin/@52,13')
+  });
+
+  it('should return proper url when lat, long, name and zoom is given', () => {
+    expect(z.location.get_maps_url(52, 13, 'Berlin', 14)).toBe('https://google.com/maps/place/Berlin/@52,13,14z')
+  });
+}));