Added exif dateTaken data to the database and provide it via the API

Signed-off-by: Arne Hamann <kontakt+github@arne.email>

appinfo/database.xml

@@ -119,6 +119,19 @@
                 <type>float</type>
                 <notnull>true</notnull>
             </field>
+            <field>
+                <name>date_taken</name>
+                <type>integer</type>
+                <notnull>false</notnull>
+                <length>64</length>
+            </field>
+            <index>
+                <name>maps_date_taken</name>
+                <field>
+                    <name>date_taken</name>
+                    <sorting>ascending</sorting>
+                </field>
+            </index>
         </declaration>
     </table>
 </database>

appinfo/info.xml

@@ -7,7 +7,7 @@
     <description><![CDATA[Simple maps app to display a leaflet map.]]></description>
     <licence>agpl</licence>
     <author mail="vinzenz.rosenkranz@gmail.com" >Vinzenz Rosenkranz</author>
-    <version>0.0.2</version>
+    <version>0.0.3</version>
     <namespace>Maps</namespace>
     <category>multimedia</category>
     <bugs>https://github.com/nextcloud/maps/issues</bugs>

lib/DB/Geophoto.php

@@ -19,11 +19,13 @@ class Geophoto extends Entity {
     protected $fileId;
     protected $lat;
     protected $lng;
+    protected $dateTaken;
     protected $userId;
 
     public function __construct() {
         $this->addType('fileId', 'integer');
         $this->addType('lat', 'float');
         $this->addType('lng', 'float');
+		$this->addType('dateTaken', 'integer');
     }
 }

lib/Service/GeophotoService.php

@@ -57,6 +57,7 @@ class GeophotoService {
             $file_object->fileId = $photoEntity->getFileId();
             $file_object->lat = $photoEntity->getLat();
             $file_object->lng = $photoEntity->getLng();
+            $file_object->dateTaken = $photoEntity->getDateTaken();
             /* 30% longer
              * $file_object->folderId = $cache->getParentId($path); 
              */

lib/Service/PhotofilesService.php

@@ -81,6 +81,7 @@ class PhotofilesService {
             $photoEntity->setLat($exif->lat);
             $photoEntity->setLng($exif->lng);
             $photoEntity->setUserId($userId);
+            $photoEntity->setDateTaken($exif->dateTaken);
             $this->photoMapper->insert($photoEntity);
         }
     }