Merge branch 'develop' into feat/linear-backend

app/javascript/dashboard/components/widgets/WootWriter/AudioRecorder.vue

@@ -5,6 +5,7 @@
 </template>
 
 <script>
+import getUuid from 'widget/helpers/uuid';
 import 'video.js/dist/video-js.css';
 import 'videojs-record/dist/css/videojs.record.css';
 
@@ -28,6 +29,7 @@ import OpusRecorderEngine from 'videojs-record/dist/plugins/videojs.record.opus-
 
 import { format, addSeconds } from 'date-fns';
 import { AUDIO_FORMATS } from 'shared/constants/messages';
+import { convertWavToMp3 } from './utils/mp3ConversionUtils';
 
 WaveSurfer.microphone = MicrophonePlugin;
 
@@ -39,6 +41,10 @@ export default {
       type: String,
       default: AUDIO_FORMATS.WAV,
     },
+    isAWhatsAppChannel: {
+      type: Boolean,
+      default: false,
+    },
   },
   data() {
     return {
@@ -145,12 +151,17 @@ export default {
     stopRecord() {
       this.fireStateRecorderChanged('stopped');
     },
-    finishRecord() {
-      const file = new File(
-        [this.player.recordedData],
-        this.player.recordedData.name,
-        { type: this.player.recordedData.type }
-      );
+    async finishRecord() {
+      let recordedContent = this.player.recordedData;
+      let fileName = this.player.recordedData.name;
+      if (this.isAWhatsAppChannel) {
+        recordedContent = await convertWavToMp3(this.player.recordedData);
+        fileName = `${getUuid()}.mp3`;
+      }
+      const type = !this.isAWhatsAppChannel
+        ? this.player.recordedData.type
+        : 'audio/mp3';
+      const file = new File([recordedContent], fileName, { type });
       this.fireRecorderBlob(file);
     },
     progressRecord() {
@@ -231,11 +242,13 @@ export default {
     @apply bg-transparent max-h-60 min-h-[3rem] pt-4 px-0 pb-0 resize-none;
   }
 }
+
 // Added to override the default text and bg style to support dark and light mode.
 .video-js .vjs-control-bar,
 .vjs-record.video-js .vjs-control.vjs-record-indicator:before {
   @apply text-slate-600 dark:text-slate-200 bg-transparent dark:bg-transparent;
 }
+
 // Added to fix  div overlays the screen and takes over the button clicks
 // https://github.com/collab-project/videojs-record/issues/688
 // https://github.com/collab-project/videojs-record/pull/709

app/javascript/dashboard/components/widgets/WootWriter/utils/mp3ConversionUtils.js

@@ -0,0 +1,53 @@
+import lamejs from 'lamejs';
+/**
+ * Encodes a mono channel audio stream to MP3 format.
+ * @param {number} channels - Number of audio channels.
+ * @param {number} sampleRate - Sample rate in Hz.
+ * @param {Int16Array} samples - Audio samples to be encoded.
+ * @returns {Blob} - The MP3 encoded audio as a Blob.
+ */
+export const encodeToMP3 = (channels, sampleRate, samples) => {
+  const outputBuffer = [];
+  const encoder = new lamejs.Mp3Encoder(channels, sampleRate, 128);
+  const maxSamplesPerFrame = 1152;
+
+  for (let offset = 0; offset < samples.length; offset += maxSamplesPerFrame) {
+    const sliceEnd = Math.min(offset + maxSamplesPerFrame, samples.length);
+    const sampleSlice = samples.subarray(offset, sliceEnd);
+    const mp3Buffer = encoder.encodeBuffer(sampleSlice);
+
+    if (mp3Buffer.length > 0) {
+      outputBuffer.push(new Int8Array(mp3Buffer));
+    }
+  }
+
+  const remainingData = encoder.flush();
+  if (remainingData.length > 0) {
+    outputBuffer.push(new Int8Array(remainingData));
+  }
+
+  return new Blob(outputBuffer, { type: 'audio/mp3' });
+};
+
+/**
+ * Converts a WAV audio Blob to an MP3 format Blob.
+ * @param {Blob} blob - The audio data in WAV format as a Blob.
+ * @returns {Promise<Blob>} - A Blob containing the MP3 encoded audio.
+ */
+export const convertWavToMp3 = async blob => {
+  try {
+    const audioBuffer = await blob.arrayBuffer();
+    const wavHeader = lamejs.WavHeader.readHeader(new DataView(audioBuffer));
+    const samples = new Int16Array(
+      audioBuffer,
+      wavHeader.dataOffset,
+      wavHeader.dataLen / 2
+    );
+
+    return encodeToMP3(wavHeader.channels, wavHeader.sampleRate, samples);
+  } catch (error) {
+    // eslint-disable-next-line
+    console.log('Failed to convert WAV to MP3:', error);
+    throw new Error('Conversion from WAV to MP3 failed.');
+  }
+};

app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue

@@ -53,6 +53,7 @@
         v-if="showAudioRecorderEditor"
         ref="audioRecorderInput"
         :audio-record-format="audioRecordFormat"
+        :is-a-whats-app-channel="isAWhatsAppChannel"
         @state-recorder-progress-changed="onStateProgressRecorderChanged"
         @state-recorder-changed="onStateRecorderChanged"
         @finish-record="onFinishRecorder"
@@ -501,11 +502,7 @@ export default {
       return `draft-${this.conversationIdByRoute}-${this.replyType}`;
     },
     audioRecordFormat() {
-      if (
-        this.isAWhatsAppChannel ||
-        this.isAPIInbox ||
-        this.isATelegramChannel
-      ) {
+      if (this.isAPIInbox || this.isATelegramChannel) {
         return AUDIO_FORMATS.OGG;
       }
       return AUDIO_FORMATS.WAV;