From 72bbb2d0918a56833385938654cc575fbf5af735 Mon Sep 17 00:00:00 2001
From: Tomas Babej <tomasbabej@gmail.com>
Date: Sat, 8 Aug 2015 19:40:48 +0200
Subject: [PATCH] Task: Move TW-specific saving logic into the backend

---
 tasklib/backends.py | 31 +++++++++++++++++++++++++++++++
 tasklib/task.py     | 29 ++---------------------------
 2 files changed, 33 insertions(+), 27 deletions(-)

diff --git a/tasklib/backends.py b/tasklib/backends.py
index f817d4f..a4d074e 100644
--- a/tasklib/backends.py
+++ b/tasklib/backends.py
@@ -159,6 +159,37 @@ class TaskWarrior(object):
                     raise TaskWarriorException('Invalid JSON: %s' % data)
         return tasks
 
+    def save_task(self, task):
+        """Save a task into TaskWarrior database using add/modify call"""
+
+        args = [task['uuid'], 'modify'] if task.saved else ['add']
+        args.extend(task._get_modified_fields_as_args())
+        output = self.execute_command(args)
+
+        # Parse out the new ID, if the task is being added for the first time
+        if not task.saved:
+            id_lines = [l for l in output if l.startswith('Created task ')]
+
+            # Complain loudly if it seems that more tasks were created
+            # Should not happen
+            if len(id_lines) != 1 or len(id_lines[0].split(' ')) != 3:
+                raise TaskWarriorException("Unexpected output when creating "
+                                           "task: %s" % '\n'.join(id_lines))
+
+            # Circumvent the ID storage, since ID is considered read-only
+            identifier = id_lines[0].split(' ')[2].rstrip('.')
+
+            # Identifier can be either ID or UUID for completed tasks
+            try:
+                task._data['id'] = int(identifier)
+            except ValueError:
+                task._data['uuid'] = identifier
+
+        # Refreshing is very important here, as not only modification time
+        # is updated, but arbitrary attribute may have changed due hooks
+        # altering the data before saving
+        task.refresh(after_save=True)
+
     def merge_with(self, path, push=False):
         path = path.rstrip('/') + '/'
         self.execute_command(['merge', path], config_override={
diff --git a/tasklib/task.py b/tasklib/task.py
index 4f10b9d..7c6dff8 100644
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -650,33 +650,8 @@ class Task(TaskResource):
         if self.saved and not self.modified:
             return
 
-        args = [self['uuid'], 'modify'] if self.saved else ['add']
-        args.extend(self._get_modified_fields_as_args())
-        output = self.warrior.execute_command(args)
-
-        # Parse out the new ID, if the task is being added for the first time
-        if not self.saved:
-            id_lines = [l for l in output if l.startswith('Created task ')]
-
-            # Complain loudly if it seems that more tasks were created
-            # Should not happen
-            if len(id_lines) != 1 or len(id_lines[0].split(' ')) != 3:
-                raise TaskWarriorException("Unexpected output when creating "
-                                           "task: %s" % '\n'.join(id_lines))
-
-            # Circumvent the ID storage, since ID is considered read-only
-            identifier = id_lines[0].split(' ')[2].rstrip('.')
-
-            # Identifier can be either ID or UUID for completed tasks
-            try:
-                self._data['id'] = int(identifier)
-            except ValueError:
-                self._data['uuid'] = identifier
-
-        # Refreshing is very important here, as not only modification time
-        # is updated, but arbitrary attribute may have changed due hooks
-        # altering the data before saving
-        self.refresh(after_save=True)
+        # All the actual work is done by the backend
+        self.backend.save_task(self)
 
     def add_annotation(self, annotation):
         if not self.saved:
-- 
2.39.2