From 5546c658163b7ef64045171c1884ec4cb0c61f06 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 7 Feb 2021 11:24:21 +0100
Subject: commands/thread: refactor applying the tag command

Do all the changes in one batch rather than separately.
---
 alot/commands/thread.py | 55 ++++++++++++++++++++++++++++++-------------------
 1 file changed, 34 insertions(+), 21 deletions(-)

diff --git a/alot/commands/thread.py b/alot/commands/thread.py
index 98355f4c..0ff38b55 100644
--- a/alot/commands/thread.py
+++ b/alot/commands/thread.py
@@ -1068,6 +1068,8 @@ class TagCommand(Command):
     """manipulate message tags"""
     repeatable = True
 
+    _tags = None
+
     def __init__(self, tags='', action='add', all=False, **kwargs):
         """
         :param tags: comma separated list of tagstrings to set
@@ -1079,37 +1081,48 @@ class TagCommand(Command):
         :param all: tag all messages in thread
         :type all: bool
         """
-        self.tagsstring = tags
+        self._tags = frozenset(filter(None, tags.split(',')))
         self.all = all
         self.action = action
         super().__init__(**kwargs)
 
     async def apply(self, ui):
         if self.all:
-            messages = ui.current_buffer.thread.messages.values()
+            query = 'thread:' + ui.current_buffer.thread.id
         else:
-            messages = [ui.current_buffer.get_selected_message()]
+            message = ui.current_buffer.get_selected_message()
+            query   = 'id:' + message.id
+
+        if self.action == 'add':
+            task = ui.dbman.tags_add(query, self._tags)
+        elif self.action == 'set':
+            task = ui.dbman.tags_set(query, self._tags)
+        elif self.action == 'remove':
+            task = ui.dbman.tags_remove(query, self._tags)
+        elif self.action == 'toggle':
+            write = ui.dbman.db_write_create()
+
+            if self.all:
+                messages = ui.current_buffer.thread.messages.values()
+            else:
+                messages = [ui.current_buffer.get_selected_message()]
 
-        tags = frozenset(filter(None, self.tagsstring.split(',')))
-        try:
             for m in messages:
-                if self.action == 'add':
-                    await m.tags_add(tags)
-                if self.action == 'set':
-                    await m.tags_set(tags)
-                elif self.action == 'remove':
-                    await m.tags_remove(tags)
-                elif self.action == 'toggle':
-                    to_remove = set()
-                    to_add    = set()
-                    for t in tags:
-                        if t in m.get_tags():
-                            to_remove.add(t)
-                        else:
-                            to_add.add(t)
-                    await m.tags_remove(to_remove)
-                    await m.tags_add(to_add)
+                to_remove = set()
+                to_add    = set()
+                for t in self._tags:
+                    if t in m.get_tags():
+                        to_remove.add(t)
+                    else:
+                        to_add.add(t)
 
+                write.queue_tag_remove(to_remove, 'id:' + m.id)
+                write.queue_tag_add(to_add,       'id:' + m.id)
+
+            task = write.apply()
+
+        try:
+            await task
         except DatabaseROError:
             ui.notify('index in read-only mode', priority='error')
             return
-- 
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