feat: Blossom-compatible media upload (sprout-media crate + relay + desktop) (#66)

desktop/src/shared/api/relayClient.ts

@@ -70,6 +70,7 @@ class RelayClient {
     channelId: string,
     content: string,
     mentionPubkeys: string[] = [],
+    extraTags: string[][] = [],
   ) {
     await this.ensureConnected();
 
@@ -77,6 +78,9 @@ class RelayClient {
     for (const pubkey of mentionPubkeys) {
       tags.push(["p", pubkey]);
     }
+    for (const tag of extraTags) {
+      tags.push(tag);
+    }
 
     const event = await signRelayEvent({
       kind: KIND_STREAM_MESSAGE,

desktop/src/shared/api/tauri.ts

@@ -591,6 +591,8 @@ export async function sendChannelMessage(
   channelId: string,
   content: string,
   parentEventId?: string | null,
+  mediaTags?: string[][],
+  mentionPubkeys?: string[],
 ): Promise<SendChannelMessageResult> {
   const response = await invokeTauri<RawSendChannelMessageResult>(
     "send_channel_message",
@@ -598,6 +600,8 @@ export async function sendChannelMessage(
       channelId,
       content,
       parentEventId,
+      mediaTags: mediaTags ?? null,
+      mentionPubkeys: mentionPubkeys ?? null,
     },
   );
 
@@ -610,6 +614,37 @@ export async function sendChannelMessage(
   };
 }
 
+export type BlobDescriptor = {
+  url: string;
+  sha256: string;
+  size: number;
+  type: string;
+  uploaded: number;
+  dim?: string;
+  blurhash?: string;
+  thumb?: string;
+};
+
+export async function uploadMedia(
+  filePath: string,
+  isTemp: boolean,
+): Promise<BlobDescriptor> {
+  return invokeTauri<BlobDescriptor>("upload_media", {
+    filePath,
+    isTemp,
+  });
+}
+
+export async function pickAndUploadMedia(): Promise<BlobDescriptor | null> {
+  return invokeTauri<BlobDescriptor | null>("pick_and_upload_media", {});
+}
+
+export async function uploadMediaBytes(
+  data: number[],
+): Promise<BlobDescriptor> {
+  return invokeTauri<BlobDescriptor>("upload_media_bytes", { data });
+}
+
 export async function addReaction(
   eventId: string,
   emoji: string,