finish up #50

moodle_dl/moodle_connector/moodle_service.py

@@ -256,7 +256,7 @@ def fetch_state(self) -> [Course]:
 
             forums = forums_handler.fetch_forums(courses)
             if download_forums:
-                last_timestamps_per_forum = {942115: 1595849253}
+                last_timestamps_per_forum = self.recorder.get_last_timestamps_per_forum()
                 forums = forums_handler.fetch_forums_posts(forums, last_timestamps_per_forum)
 
             index = 0

moodle_dl/state_recorder/state_recorder.py

@@ -442,6 +442,29 @@ def changes_of_new_version(self, current_courses: [Course]) -> [Course]:
 
         return changed_courses
 
+    def get_last_timestamps_per_forum(self) -> {}:
+        """Returns a dict of timestamps per forum cmid"""
+
+        conn = sqlite3.connect(self.db_file)
+        conn.row_factory = sqlite3.Row
+        cursor = conn.cursor()
+        result_dict = {}
+
+        cursor.execute(
+            """SELECT module_id, max(content_timemodified) as content_timemodified
+            FROM files WHERE module_modname = 'forum' AND content_type = 'description'
+            GROUP BY module_id;"""
+        )
+
+        curse_rows = cursor.fetchall()
+
+        for course_row in curse_rows:
+            result_dict[course_row['module_id']] = course_row['content_timemodified']
+
+        conn.close()
+
+        return result_dict
+
     def changes_to_notify(self) -> [Course]:
         changed_courses = []