store: normalize ids in telegram_file and add index

pkg/connector/media/transfer.go

@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"strings"
 
 	"github.com/rs/zerolog"
 	"maunium.net/go/mautrix/bridgev2"
@@ -96,7 +97,7 @@ func getLocationID(loc any) (locID store.TelegramFileLocationID) {
 	default:
 		panic(fmt.Errorf("unknown location type %T", location))
 	}
-	return store.TelegramFileLocationID(id)
+	return store.TelegramFileLocationID(strings.TrimRight(id, "-"))
 }
 
 // Transferer is a utility for downloading media from Telegram and uploading it

pkg/connector/store/upgrades/00-latest.sql

@@ -1,4 +1,4 @@
--- v0 -> v6 (compatible with v2+): Latest revision
+-- v0 -> v7 (compatible with v2+): Latest revision
 
 CREATE TABLE telegram_user_state (
     user_id BIGINT NOT NULL PRIMARY KEY,
@@ -52,6 +52,8 @@ CREATE TABLE telegram_file (
     size      BIGINT
 );
 
+CREATE INDEX telegram_file_mxc_idx ON telegram_file (mxc);
+
 CREATE TABLE telegram_topic (
     channel_id BIGINT NOT NULL,
     topic_id   BIGINT NOT NULL,

pkg/connector/store/upgrades/07-telegram-file-fixes.sql

@@ -0,0 +1,3 @@
+-- v7 (compatible with v2+): Add index and fix values in telegram_file
+UPDATE telegram_file SET id=REPLACE(id, '-', '') WHERE id LIKE '%-';
+CREATE INDEX telegram_file_mxc_idx ON telegram_file (mxc);