Touch dates only if watching for the first time (fixes #775)

Author: z411

trackma/engine.py

@@ -568,6 +568,7 @@ def set_episode(self, showid, newep):
         self._emit_signal('episode_changed', show)
 
         # Change status if required
+        oldstatus = show['my_status']
         if self.config['auto_status_change'] and self.mediainfo.get('can_status'):
             try:
                 if newep == show['total'] and self.mediainfo.get('statuses_finish'):
@@ -593,9 +594,11 @@ def set_episode(self, showid, newep):
             start_date = finish_date = None
 
             try:
-                if newep == 1:
+                initial_status = self.mediainfo.get('statuses_start')[0]
+
+                if newep == 1 and show['my_status'] == initial_status:
                     start_date = datetime.date.today()
-                if newep == show['total']:
+                if newep == show['total'] and oldstatus == initial_status:
                     finish_date = datetime.date.today()
 
                 self.set_dates(show['id'], start_date, finish_date)