core: sync connections (#6345)

* core: sync subsbriptions

* sha map

* sync event

* should delete flag

* wip

* schema

* wip

* delete

* update simplexmq

* plans

* rename, adapt

* update

* plans

* option to show ids

* plans

* fix, test

* more tests

* postgres

* plans

* cleanup

* plans

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

src/Simplex/Chat/Store/Postgres/Migrations.hs

@@ -19,6 +19,7 @@ import Simplex.Chat.Store.Postgres.Migrations.M20250802_chat_peer_type
 import Simplex.Chat.Store.Postgres.Migrations.M20250813_delivery_tasks
 import Simplex.Chat.Store.Postgres.Migrations.M20250919_group_summary
 import Simplex.Chat.Store.Postgres.Migrations.M20250922_remove_unused_connections
+import Simplex.Chat.Store.Postgres.Migrations.M20251007_connections_sync
 import Simplex.Messaging.Agent.Store.Shared (Migration (..))
 
 schemaMigrations :: [(String, Text, Maybe Text)]
@@ -37,7 +38,8 @@ schemaMigrations =
     ("20250802_chat_peer_type", m20250802_chat_peer_type, Just down_m20250802_chat_peer_type),
     ("20250813_delivery_tasks", m20250813_delivery_tasks, Just down_m20250813_delivery_tasks),
     ("20250919_group_summary", m20250919_group_summary, Just down_m20250919_group_summary),
-    ("20250922_remove_unused_connections", m20250922_remove_unused_connections, Just down_m20250922_remove_unused_connections)
+    ("20250922_remove_unused_connections", m20250922_remove_unused_connections, Just down_m20250922_remove_unused_connections),
+    ("20251007_connections_sync", m20251007_connections_sync, Just down_m20251007_connections_sync)
   ]
 
 -- | The list of migrations in ascending order by date

src/Simplex/Chat/Store/Postgres/Migrations/M20251007_connections_sync.hs

@@ -0,0 +1,27 @@
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Store.Postgres.Migrations.M20251007_connections_sync where
+
+import Data.Text (Text)
+import qualified Data.Text as T
+import Text.RawString.QQ (r)
+
+m20251007_connections_sync :: Text
+m20251007_connections_sync =
+  T.pack
+    [r|
+CREATE TABLE connections_sync(
+  connections_sync_id BIGINT PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,
+  should_sync SMALLINT NOT NULL DEFAULT 0,
+  last_sync_ts TIMESTAMPTZ
+);
+
+INSERT INTO connections_sync (connections_sync_id, should_sync, last_sync_ts) VALUES (1,0,NULL);
+|]
+
+down_m20251007_connections_sync :: Text
+down_m20251007_connections_sync =
+  T.pack
+    [r|
+DROP TABLE connections_sync;
+|]

src/Simplex/Chat/Store/Postgres/Migrations/chat_schema.sql

@@ -390,6 +390,25 @@ ALTER TABLE test_chat_schema.connections ALTER COLUMN connection_id ADD GENERATE
 
 
 
+CREATE TABLE test_chat_schema.connections_sync (
+    connections_sync_id bigint NOT NULL,
+    should_sync smallint DEFAULT 0 NOT NULL,
+    last_sync_ts timestamp with time zone
+);
+
+
+
+ALTER TABLE test_chat_schema.connections_sync ALTER COLUMN connections_sync_id ADD GENERATED BY DEFAULT AS IDENTITY (
+    SEQUENCE NAME test_chat_schema.connections_sync_connections_sync_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1
+);
+
+
+
 CREATE TABLE test_chat_schema.contact_profiles (
     contact_profile_id bigint NOT NULL,
     display_name text NOT NULL,
@@ -1358,6 +1377,11 @@ ALTER TABLE ONLY test_chat_schema.connections
 
 
 
+ALTER TABLE ONLY test_chat_schema.connections_sync
+    ADD CONSTRAINT connections_sync_pkey PRIMARY KEY (connections_sync_id);
+
+
+
 ALTER TABLE ONLY test_chat_schema.contact_profiles
     ADD CONSTRAINT contact_profiles_pkey PRIMARY KEY (contact_profile_id);