core: support content filter for contacts and notes to allow media galleries (#6552)

* core: support content filter for contacts and notes to allow media galleries

* add api to list chat content types, tests

* query plans, api docs

* add indices

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

@@ -24,6 +24,7 @@ import Simplex.Chat.Store.Postgres.Migrations.M20251017_chat_tags_cascade
 import Simplex.Chat.Store.Postgres.Migrations.M20251117_member_relations_vector
 import Simplex.Chat.Store.Postgres.Migrations.M20251128_migrate_member_relations
 import Simplex.Chat.Store.Postgres.Migrations.M20251230_strict_tables
+import Simplex.Chat.Store.Postgres.Migrations.M20260108_chat_indices
 import Simplex.Messaging.Agent.Store.Shared (Migration (..))
 
 schemaMigrations :: [(String, Text, Maybe Text)]
@@ -47,7 +48,8 @@ schemaMigrations =
     ("20251017_chat_tags_cascade", m20251017_chat_tags_cascade, Just down_m20251017_chat_tags_cascade),
     ("20251117_member_relations_vector", m20251117_member_relations_vector, Just down_m20251117_member_relations_vector),
     ("20251128_migrate_member_relations", m20251128_migrate_member_relations, Just down_m20251128_migrate_member_relations),
-    ("20251230_strict_tables", m20251230_strict_tables, Just down_m20251230_strict_tables)
+    ("20251230_strict_tables", m20251230_strict_tables, Just down_m20251230_strict_tables),
+    ("20260108_chat_indices", m20260108_chat_indices, Just down_m20260108_chat_indices)
   ]
 
 -- | The list of migrations in ascending order by date

src/Simplex/Chat/Store/Postgres/Migrations/M20260108_chat_indices.hs

@@ -0,0 +1,33 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Store.Postgres.Migrations.M20260108_chat_indices where
+
+import Data.Text (Text)
+import Text.RawString.QQ (r)
+
+m20260108_chat_indices :: Text
+m20260108_chat_indices =
+  [r|
+CREATE INDEX idx_chat_items_contacts_msg_content_tag_created_at ON chat_items(
+  user_id,
+  contact_id,
+  msg_content_tag,
+  created_at
+);
+
+CREATE INDEX idx_chat_items_note_folder_msg_content_tag_created_at ON chat_items(
+  user_id,
+  note_folder_id,
+  msg_content_tag,
+  created_at
+);  
+|]
+
+down_m20260108_chat_indices :: Text
+down_m20260108_chat_indices =
+  [r|
+DROP INDEX idx_chat_items_contacts_msg_content_tag_created_at;
+
+DROP INDEX idx_chat_items_note_folder_msg_content_tag_created_at;
+|]

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

@@ -1813,6 +1813,10 @@ CREATE INDEX idx_chat_items_contacts_created_at ON test_chat_schema.chat_items U
 
 
 
+CREATE INDEX idx_chat_items_contacts_msg_content_tag_created_at ON test_chat_schema.chat_items USING btree (user_id, contact_id, msg_content_tag, created_at);
+
+
+
 CREATE UNIQUE INDEX idx_chat_items_direct_shared_msg_id ON test_chat_schema.chat_items USING btree (user_id, contact_id, shared_msg_id);
 
 
@@ -1897,6 +1901,10 @@ CREATE INDEX idx_chat_items_item_status ON test_chat_schema.chat_items USING btr
 
 
 
+CREATE INDEX idx_chat_items_note_folder_msg_content_tag_created_at ON test_chat_schema.chat_items USING btree (user_id, note_folder_id, msg_content_tag, created_at);
+
+
+
 CREATE INDEX idx_chat_items_notes ON test_chat_schema.chat_items USING btree (user_id, note_folder_id, item_status, created_at);