Add a getter for destinations to the Source.

tui_rsync/models/models.py

@@ -90,6 +90,14 @@ class Source(BaseModel):
             path=destination_path
         )
 
+    def get_destinations(self):
+        destionations = []
+
+        for dest in self.destinations:
+            destionations.append(dest.path)
+
+        return destionations
+
     def update_label(self, new_label):
         self.label = new_label
         self.save()