let user configure the center point for the stats world map

qiita_core/configuration_manager.py

@@ -109,6 +109,12 @@ class ConfigurationManager(object):
         The portal subdirectory used in the URL
     portal_fp : str
         The filepath to the portal styling config file
+    stats_map_center_latitude : float
+        The center latitude of the world map, shown on the Stats map.
+        Defaults to 40.01027 (Boulder, CO, USA)
+    stats_map_center_longitude : float
+        The center longitude of the world map, shown on the Stats map.
+        Defaults to -105.24827 (Boulder, CO, USA)
     qiita_env : str
         The script used to start the qiita environment
     private_launcher : str
@@ -347,5 +353,40 @@ def _get_portal(self, config):
         else:
             self.portal_dir = ""
 
+        msg = ("The value %s for %s you set in Qiita's configuration file "
+               "(section 'portal') for the Stats world map cannot be "
+               "intepreted as a float! %s")
+        lat_default = 40.01027  # Boulder CO, USA
+        try:
+            self.stats_map_center_latitude = config.get(
+                'portal', 'STATS_MAP_CENTER_LATITUDE', fallback=lat_default)
+            if self.stats_map_center_latitude == '':
+                self.stats_map_center_latitude = lat_default
+            self.stats_map_center_latitude = float(
+                self.stats_map_center_latitude)
+        except ValueError as e:
+            raise ValueError(msg % (self.stats_map_center_latitude,
+                                    'STATS_MAP_CENTER_LATITUDE', e))
+
+        lon_default = -105.24827  # Boulder CO, USA
+        try:
+            self.stats_map_center_longitude = config.get(
+                'portal', 'STATS_MAP_CENTER_LONGITUDE', fallback=lon_default)
+            if self.stats_map_center_longitude == '':
+                self.stats_map_center_longitude = lon_default
+            self.stats_map_center_longitude = float(
+                self.stats_map_center_longitude)
+        except ValueError as e:
+            raise ValueError(msg % (self.stats_map_center_longitude,
+                                    'STATS_MAP_CENTER_LONGITUDE', e))
+        for (name, val) in [('latitude', self.stats_map_center_latitude),
+                            ('longitude', self.stats_map_center_longitude)]:
+            msg = ("The %s of %s you set in Qiita's configuration file "
+                   "(section 'portal') for the Stats world map cannot be %s!")
+            if val < -180:
+                raise ValueError(msg % (name, val, 'smaller than -180°'))
+            if val > 180:
+                raise ValueError(msg % (name, val, 'larger than 180°'))
+
     def _iframe(self, config):
         self.iframe_qiimp = config.get('iframe', 'QIIMP')

qiita_core/support_files/config_test.cfg

@@ -183,6 +183,13 @@ PORTAL_DIR =
 # Full path to portal styling config file
 PORTAL_FP =
 
+# The center latitude of the world map, shown on the Stats map.
+# Defaults to 40.01027 (Boulder, CO, USA)
+STATS_MAP_CENTER_LATITUDE =
+
+# The center longitude of the world map, shown on the Stats map.
+# Defaults to -105.24827 (Boulder, CO, USA)
+STATS_MAP_CENTER_LONGITUDE =
 
 # ----------------------------- iframes settings ---------------------------
 [iframe]

qiita_core/tests/test_configuration_manager.py

@@ -245,6 +245,50 @@ def test_get_portal(self):
         obs._get_portal(self.conf)
         self.assertEqual(obs.portal_dir, "/gold_portal")
 
+    def test_get_portal_latlong(self):
+        obs = ConfigurationManager()
+
+        # if parameters are given, but not set, they should default to Boulder
+        self.assertEqual(obs.stats_map_center_latitude, 40.01027)
+        self.assertEqual(obs.stats_map_center_longitude, -105.24827)
+
+        # a string cannot be parsed as a float
+        self.conf.set('portal', 'STATS_MAP_CENTER_LATITUDE', 'kurt')
+        with self.assertRaises(ValueError):
+            obs._get_portal(self.conf)
+
+        # check for illegal float values
+        self.conf.set('portal', 'STATS_MAP_CENTER_LATITUDE', "-200")
+        with self.assertRaises(ValueError):
+            obs._get_portal(self.conf)
+        self.conf.set('portal', 'STATS_MAP_CENTER_LATITUDE', "200")
+        with self.assertRaises(ValueError):
+            obs._get_portal(self.conf)
+
+        # check if value defaults if option is missing altogether
+        self.conf.remove_option('portal', 'STATS_MAP_CENTER_LATITUDE')
+        obs._get_portal(self.conf)
+        self.assertEqual(obs.stats_map_center_latitude, 40.01027)
+
+        # same as above, but for longitude
+        # a string cannot be parsed as a float
+        self.conf.set('portal', 'STATS_MAP_CENTER_LONGITUDE', 'kurt')
+        with self.assertRaises(ValueError):
+            obs._get_portal(self.conf)
+
+        # check for illegal float values
+        self.conf.set('portal', 'STATS_MAP_CENTER_LONGITUDE', "-200")
+        with self.assertRaises(ValueError):
+            obs._get_portal(self.conf)
+        self.conf.set('portal', 'STATS_MAP_CENTER_LONGITUDE', "200")
+        with self.assertRaises(ValueError):
+            obs._get_portal(self.conf)
+
+        # check if value defaults if option is missing altogether
+        self.conf.remove_option('portal', 'STATS_MAP_CENTER_LONGITUDE')
+        obs._get_portal(self.conf)
+        self.assertEqual(obs.stats_map_center_longitude, -105.24827)
+
 
 CONF = """
 # ------------------------------ Main settings --------------------------------
@@ -417,6 +461,14 @@ def test_get_portal(self):
 # Full path to portal styling config file
 PORTAL_FP = /tmp/portal.cfg
 
+# The center latitude of the world map, shown on the Stats map.
+# Defaults to 40.01027 (Boulder, CO, USA)
+STATS_MAP_CENTER_LATITUDE =
+
+# The center longitude of the world map, shown on the Stats map.
+# Defaults to -105.24827 (Boulder, CO, USA)
+STATS_MAP_CENTER_LONGITUDE =
+
 # ----------------------------- iframes settings ---------------------------
 [iframe]
 QIIMP = https://localhost:8898/

qiita_pet/templates/stats.html

@@ -81,7 +81,7 @@
         vectorLayer
       ],
       view: new ol.View({
-        center: ol.proj.fromLonLat([-105.24827, 40.01027]),
+        center: ol.proj.fromLonLat([{% raw qiita_config.stats_map_center_longitude %}, {% raw qiita_config.stats_map_center_latitude %}]),
         zoom: 4
       })
     });