update composer

src/utils/hooks/useNostr.ts

@@ -1,3 +1,4 @@
+import { magnetDecode } from '@ctrl/magnet-link';
 import {
   NDKEvent,
   NDKFilter,
@@ -7,6 +8,8 @@ import {
   NDKUser,
 } from '@nostr-dev-kit/ndk';
 import { ndkAdapter } from '@nostr-fetch/adapter-ndk';
+import { message, open } from '@tauri-apps/plugin-dialog';
+import { VoidApi } from '@void-cat/api';
 import { LRUCache } from 'lru-cache';
 import { NostrFetcher } from 'nostr-fetch';
 import { nip19 } from 'nostr-tools';
@@ -17,6 +20,7 @@ import { useStorage } from '@libs/storage/provider';
 
 import { useStronghold } from '@stores/stronghold';
 
+import { createBlobFromFile } from '@utils/createBlobFromFile';
 import { nHoursAgo } from '@utils/date';
 import { NDKEventWithReplies } from '@utils/types';
 
@@ -324,6 +328,91 @@ export function useNostr() {
     return res;
   };
 
+  const upload = async (file: null | string, nip94?: boolean) => {
+    try {
+      const voidcat = new VoidApi('https://void.cat');
+
+      let filepath = file;
+      if (!file) {
+        const selected = await open({
+          multiple: false,
+          filters: [
+            {
+              name: 'Media',
+              extensions: [
+                'png',
+                'jpeg',
+                'jpg',
+                'gif',
+                'mp4',
+                'mp3',
+                'webm',
+                'mkv',
+                'avi',
+                'mov',
+              ],
+            },
+          ],
+        });
+        if (Array.isArray(selected)) {
+          // user selected multiple files
+        } else if (selected === null) {
+          return {
+            url: null,
+            error: 'Cancelled',
+          };
+        } else {
+          filepath = selected.path;
+        }
+      }
+
+      const filename = filepath.split('/').pop();
+      const filetype = filename.split('.').pop();
+
+      const blob = await createBlobFromFile(filepath);
+      const uploader = voidcat.getUploader(blob);
+
+      // upload file
+      const res = await uploader.upload();
+
+      if (res.ok) {
+        const url =
+          res.file?.metadata?.url ?? `https://void.cat/d/${res.file?.id}.${filetype}`;
+
+        if (nip94) {
+          const tags = [
+            ['url', url],
+            ['x', res.file?.metadata?.digest ?? ''],
+            ['m', res.file?.metadata?.mimeType ?? 'application/octet-stream'],
+            ['size', res.file?.metadata?.size.toString() ?? '0'],
+          ];
+
+          if (res.file?.metadata?.magnetLink) {
+            tags.push(['magnet', res.file.metadata.magnetLink]);
+            const parsedMagnet = magnetDecode(res.file.metadata.magnetLink);
+            if (parsedMagnet?.infoHash) {
+              tags.push(['i', parsedMagnet?.infoHash]);
+            }
+          }
+
+          await publish({ content: '', kind: 1063, tags: tags });
+        }
+
+        return {
+          url: url,
+          error: null,
+        };
+      }
+
+      return {
+        url: null,
+        error: 'Upload failed',
+      };
+    } catch (e) {
+      await message(e, { title: 'Lume', type: 'error' });
+    }
+  };
+
   return {
     sub,
     fetchUserData,
@@ -336,5 +425,6 @@ export function useNostr() {
     fetchAllReplies,
     publish,
     createZap,
+    upload,
   };
 }