draggables, ipc stuff

electron-ui/src/ipc/audio/channels.ts

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+const AudioChannels = {
+  LOAD_AUDIO_BUFFER: 'audio:loadAudioBuffer',
+  TRIM_FILE: 'audio:trimFile',
+  DELETE_FILE: 'audio:deleteFile',
+  GET_COLLECTION_METADATA: 'audio:getCollectionMetadata',
+  SET_COLLECTION_METADATA: 'audio:setCollectionMetadata',
+  ADD_COLLECTION: 'audio:addCollection',
+  REMOVE_COLLECTION: 'audio:removeCollection',
+  GET_COLLECTIONS: 'audio:getCollections',
+} as const;
+
+export default AudioChannels;

electron-ui/src/ipc/audio/main.ts

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+import { ipcMain } from 'electron';
+import fs from 'fs';
+import AudioChannels from './channels';
+import { LoadAudioBufferArgs, LoadAudioBufferResult } from './types';
+
+export default function registerAudioIpcHandlers() {
+  ipcMain.handle(
+    AudioChannels.LOAD_AUDIO_BUFFER,
+    async (_, args: LoadAudioBufferArgs): Promise<LoadAudioBufferResult> => {
+      try {
+        const buffer = await fs.promises.readFile(args.filePath);
+        return { buffer };
+      } catch (err: any) {
+        return { error: err.message };
+      }
+    },
+  );
+}

electron-ui/src/ipc/audio/types.ts

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+export interface LoadAudioBufferArgs {
+  filePath: string;
+}
+
+export interface LoadAudioBufferResult {
+  buffer?: Buffer;
+  error?: string;
+}
+
+export enum PlaybackType {
+  PlayStop = 'playStop',
+  PlayOverlap = 'playOverlap',
+}
+
+export interface ClipMetadata {
+  name: string;
+  filePath: string;
+  volume: number;
+  startTime: number | undefined;
+  endTime: number | undefined;
+  playbackType: PlaybackType;
+}
+
+export interface CollectionMetadata {
+  name: string;
+  clips: ClipMetadata[];
+}
+
+export interface MetadataFile {
+  uncategorizedClips: ClipMetadata[];
+  collections: CollectionMetadata[];
+}