implement removing transmissions

db.py

@@ -53,6 +53,16 @@ def add_transmission(uid):
         log.error("Couldn't create a transmission with uid: %s"%(uid))
         log.error(error)
 
+def delete_transmission(uid):
+    command="DELETE FROM transmissions WHERE uid=?"
+    try:
+        cursor.execute(command, (uid,))
+        sqliteConnection.commit()
+        log.debug("Deleted a transmission with uid %s"%(uid))
+    except sqlite3.Error as error:
+        log.error("Couldn't delete a transmission with uid: %s"%(uid))
+        log.error(error)
+
 def edit_transmission(uid, date, author, title, transmission_text, timeslots, transmission_order, play):
     command="UPDATE transmissions set date=?, author=?, title=?, transmission_text=?, timeslots=?, transmission_order=?, play=? WHERE uid=?"
     try:
@@ -63,7 +73,3 @@ def edit_transmission(uid, date, author, title, transmission_text, timeslots, tr
         log.error("Couldn't create a transmission with uid %s (date %s, author %s)"%uid, (date, author))
         log.error(error)
 
-
-def delete_transmission():
-    pass
-

main.py

@@ -200,12 +200,16 @@ class MainWindow(Gtk.Window):
         db.add_transmission(uid)
         self.update_transmission_list()
 
+    def on_delete_transmission(self, user_data):
+        uid =  self.transmissions[self.transmission_list.get_selected_row().get_index()][0]
+        log.debug("attempting to delete transmission %s" % uid)
+        db.delete_transmission(uid)
+        self.update_transmission_list()
+
+
     def on_picked_transmission(self, row, user_data):
         log.debug("row %i activated" % user_data.get_index())
 
-    def on_delete_transmission(self, user_data):
-        log.debug("transmission %s deleted" % self.transmission_list.get_selected_row().get_index())
-
     def on_transmission_saved(self, user_data):
         messageBuffer = self.message.get_buffer()
         startIter, endIter = messageBuffer.get_bounds()