core: manage chat relays initial (#6369)

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

@@ -143,6 +143,7 @@ import Simplex.Chat.Store.SQLite.Migrations.M20250813_delivery_tasks
 import Simplex.Chat.Store.SQLite.Migrations.M20250919_group_summary
 import Simplex.Chat.Store.SQLite.Migrations.M20250922_remove_unused_connections
 import Simplex.Chat.Store.SQLite.Migrations.M20251007_connections_sync
+import Simplex.Chat.Store.SQLite.Migrations.M20251016_chat_relays
 import Simplex.Messaging.Agent.Store.Shared (Migration (..))
 
 schemaMigrations :: [(String, Query, Maybe Query)]
@@ -285,7 +286,8 @@ schemaMigrations =
     ("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),
-    ("20251007_connections_sync", m20251007_connections_sync, Just down_m20251007_connections_sync)
+    ("20251007_connections_sync", m20251007_connections_sync, Just down_m20251007_connections_sync),
+    ("20251016_chat_relays", m20251016_chat_relays, Just down_m20251016_chat_relays)
   ]
 
 -- | The list of migrations in ascending order by date

src/Simplex/Chat/Store/SQLite/Migrations/M20251016_chat_relays.hs

@@ -0,0 +1,43 @@
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Store.SQLite.Migrations.M20251016_chat_relays where
+
+import Database.SQLite.Simple (Query)
+import Database.SQLite.Simple.QQ (sql)
+
+m20251016_chat_relays :: Query
+m20251016_chat_relays =
+  [sql|
+CREATE TABLE chat_relays(
+  chat_relay_id INTEGER PRIMARY KEY,
+  address TEXT NOT NULL,
+  name TEXT NOT NULL,
+  domains TEXT NOT NULL,
+  preset INTEGER NOT NULL DEFAULT 0,
+  tested INTEGER,
+  enabled INTEGER NOT NULL DEFAULT 1,
+  user_id INTEGER NOT NULL REFERENCES users ON DELETE CASCADE,
+  created_at TEXT NOT NULL DEFAULT(datetime('now')),
+  updated_at TEXT NOT NULL DEFAULT(datetime('now')),
+  UNIQUE(user_id, address),
+  UNIQUE(user_id, name)
+);
+
+CREATE INDEX idx_chat_relays_user_id ON chat_relays(user_id);
+
+ALTER TABLE users ADD COLUMN is_user_chat_relay INTEGER NOT NULL DEFAULT 0;
+
+ALTER TABLE group_members ADD COLUMN is_chat_relay INTEGER NOT NULL DEFAULT 0;
+|]
+
+down_m20251016_chat_relays :: Query
+down_m20251016_chat_relays =
+  [sql|
+ALTER TABLE group_members DROP COLUMN is_chat_relay;
+
+ALTER TABLE users DROP COLUMN is_user_chat_relay;
+
+DROP INDEX idx_chat_relays_user_id;
+
+DROP TABLE chat_relays;
+|]

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

@@ -38,7 +38,8 @@ CREATE TABLE users(
   user_member_profile_updated_at TEXT,
   ui_themes TEXT,
   active_order INTEGER NOT NULL DEFAULT 0,
-  auto_accept_member_contacts INTEGER NOT NULL DEFAULT 0, -- 1 for active user
+  auto_accept_member_contacts INTEGER NOT NULL DEFAULT 0,
+  is_user_chat_relay INTEGER NOT NULL DEFAULT 0, -- 1 for active user
   FOREIGN KEY(user_id, local_display_name)
   REFERENCES display_names(user_id, local_display_name)
   ON DELETE RESTRICT
@@ -195,6 +196,7 @@ CREATE TABLE group_members(
   support_chat_last_msg_from_member_ts TEXT,
   member_xcontact_id BLOB,
   member_welcome_shared_msg_id BLOB,
+  is_chat_relay INTEGER NOT NULL DEFAULT 0,
   FOREIGN KEY(user_id, local_display_name)
   REFERENCES display_names(user_id, local_display_name)
   ON DELETE CASCADE
@@ -721,6 +723,20 @@ CREATE TABLE connections_sync(
   should_sync INTEGER NOT NULL DEFAULT 0,
   last_sync_ts TEXT
 );
+CREATE TABLE chat_relays(
+  chat_relay_id INTEGER PRIMARY KEY,
+  address TEXT NOT NULL,
+  name TEXT NOT NULL,
+  domains TEXT NOT NULL,
+  preset INTEGER NOT NULL DEFAULT 0,
+  tested INTEGER,
+  enabled INTEGER NOT NULL DEFAULT 1,
+  user_id INTEGER NOT NULL REFERENCES users ON DELETE CASCADE,
+  created_at TEXT NOT NULL DEFAULT(datetime('now')),
+  updated_at TEXT NOT NULL DEFAULT(datetime('now')),
+  UNIQUE(user_id, address),
+  UNIQUE(user_id, name)
+);
 CREATE INDEX contact_profiles_index ON contact_profiles(
   display_name,
   full_name
@@ -1184,6 +1200,7 @@ CREATE INDEX idx_connections_to_subscribe ON connections(
   user_id,
   to_subscribe
 );
+CREATE INDEX idx_chat_relays_user_id ON chat_relays(user_id);
 CREATE TRIGGER on_group_members_insert_update_summary
 AFTER INSERT ON group_members
 FOR EACH ROW