added logic to add a device.geography row

shared/selene/data/device/repository/geography.py

@@ -15,3 +15,14 @@ class GeographyRepository(RepositoryBase):
         db_response = self.cursor.select_all(db_request)
 
         return [Geography(**row) for row in db_response]
+
+    def add(self, geography):
+        db_request_args = dict(account_id=self.account_id)
+        db_request_args.update(geography)
+        db_request = self._build_db_request(
+            sql_file_name='add_geography.sql',
+            args=db_request_args
+        )
+        db_result = self.cursor.insert_returning(db_request)
+
+        return db_result['id']

shared/selene/data/device/repository/sql/add_geography.sql

@@ -0,0 +1,31 @@
+INSERT INTO
+    device.geography (account_id, country_id, region_id, city_id, timezone_id)
+VALUES
+    (
+        %(account_id)s,
+        (SELECT id FROM geography.country WHERE name = %(country)s),
+        (
+            SELECT
+                r.id
+            FROM
+                geography.region r
+                INNER JOIN geography.country c ON c.id = r.country_id
+            WHERE
+                r.name = %(region)s
+                AND c.name = %(country)s
+            ),
+        (
+            SELECT
+                c.id
+            FROM
+                geography.city c
+                INNER JOIN geography.region r ON r.id = c.region_id
+
+            WHERE
+                c.name = %(city)s
+                AND r.name = %(region)s
+            ),
+        (SELECT id FROM geography.timezone WHERE name = %(timezone)s)
+    )
+RETURNING
+    id