msgconv: clean up reuploading attachments to Matrix

pkg/msgconv/msgconv.go

@@ -17,35 +17,25 @@
 package msgconv
 
 import (
-	"context"
 	"math/rand"
 	"strconv"
 	"sync/atomic"
 
 	"maunium.net/go/mautrix/bridgev2"
-
-	"go.mau.fi/mautrix-discord/pkg/attachment"
 )
 
-type MediaReuploader func(ctx context.Context, intent bridgev2.MatrixAPI, portal *bridgev2.Portal, reupload attachment.AttachmentReupload) (*attachment.ReuploadedAttachment, error)
-
 type MessageConverter struct {
 	Bridge *bridgev2.Bridge
 
 	nextDiscordUploadID atomic.Int32
 
-	// ReuploadMedia is called when the message converter wants to upload some
-	// media it is attempting to bridge.
-	//
-	// This can be directly forwarded to the ReuploadMedia method on DiscordConnector.
-	// The indirection is only necessary to prevent an import cycle.
-	ReuploadMedia MediaReuploader
+	MaxFileSize int64
 }
 
-func NewMessageConverter(bridge *bridgev2.Bridge, reuploader MediaReuploader) *MessageConverter {
+func NewMessageConverter(bridge *bridgev2.Bridge) *MessageConverter {
 	mc := &MessageConverter{
-		Bridge:        bridge,
-		ReuploadMedia: reuploader,
+		Bridge:      bridge,
+		MaxFileSize: 50 * 1024 * 1024,
 	}
 
 	mc.nextDiscordUploadID.Store(rand.Int31n(100))