feat(voice): WhatsApp Cloud Calling — UI

app/javascript/dashboard/components-next/Contacts/VoiceCallButton.vue

@@ -3,10 +3,16 @@ import { computed, ref, useAttrs } from 'vue';
 import { useI18n } from 'vue-i18n';
 import { useRoute, useRouter } from 'vue-router';
 import { useMapGetter, useStore } from 'dashboard/composables/store';
-import { isVoiceCallEnabled } from 'dashboard/helper/inbox';
+import {
+  isVoiceCallEnabled,
+  getVoiceCallProvider,
+  VOICE_CALL_PROVIDERS,
+} from 'dashboard/helper/inbox';
 import { useAlert } from 'dashboard/composables';
 import { frontendURL, conversationUrl } from 'dashboard/helper/URLHelper';
 import { useCallsStore } from 'dashboard/stores/calls';
+import { useWhatsappCallSession } from 'dashboard/composables/useWhatsappCallSession';
+import ContactAPI from 'dashboard/api/contacts';
 
 import Button from 'dashboard/components-next/button/Button.vue';
 import Dialog from 'dashboard/components-next/dialog/Dialog.vue';
@@ -58,9 +64,63 @@ const navigateToConversation = conversationId => {
   }
 };
 
+const whatsappCallSession = useWhatsappCallSession();
+
+// Find the most recent open conversation for this contact in the picked inbox.
+// WhatsApp /initiate is conversation-scoped (unlike Twilio's contact-scoped path).
+const findWhatsappConversationId = async inboxId => {
+  const { data } = await ContactAPI.getConversations(props.contactId);
+  const conversations = data?.payload || [];
+  const match = conversations
+    .filter(c => c.inbox_id === inboxId)
+    .sort((a, b) => (b.last_activity_at || 0) - (a.last_activity_at || 0))[0];
+  return match?.id || null;
+};
+
+const startWhatsappCall = async inboxId => {
+  const conversationId = await findWhatsappConversationId(inboxId);
+  if (!conversationId) {
+    useAlert(t('CONTACT_PANEL.CALL_FAILED'));
+    return;
+  }
+
+  const response =
+    await whatsappCallSession.initiateOutboundCall(conversationId);
+  if (!response?.id) {
+    // Permission flow returns no id — banner already handled server-side; surface to user.
+    useAlert(t('CONTACT_PANEL.CALL_INITIATED'));
+    navigateToConversation(conversationId);
+    return;
+  }
+
+  const callsStore = useCallsStore();
+  callsStore.addCall({
+    callSid: response.call_id,
+    callId: response.id,
+    conversationId,
+    inboxId,
+    callDirection: 'outbound',
+    provider: 'whatsapp',
+  });
+  callsStore.setCallActive(response.call_id);
+
+  useAlert(t('CONTACT_PANEL.CALL_INITIATED'));
+  navigateToConversation(conversationId);
+};
+
 const startCall = async inboxId => {
   if (isInitiatingCall.value) return;
 
+  const inbox = (inboxesList.value || []).find(i => i.id === inboxId);
+  if (getVoiceCallProvider(inbox) === VOICE_CALL_PROVIDERS.WHATSAPP) {
+    try {
+      await startWhatsappCall(inboxId);
+    } catch (error) {
+      useAlert(error?.message || t('CONTACT_PANEL.CALL_FAILED'));
+    }
+    return;
+  }
+
   try {
     const response = await store.dispatch('contacts/initiateCall', {
       contactId: props.contactId,

app/javascript/dashboard/components-next/message/bubbles/VoiceCall.vue

@@ -5,6 +5,7 @@ import { VOICE_CALL_STATUS } from '../constants';
 
 import Icon from 'dashboard/components-next/icon/Icon.vue';
 import BaseBubble from 'next/message/bubbles/Base.vue';
+import AudioChip from 'dashboard/components-next/message/chips/Audio.vue';
 
 const LABEL_MAP = {
   [VOICE_CALL_STATUS.IN_PROGRESS]: 'CONVERSATION.VOICE_CALL.CALL_IN_PROGRESS',
@@ -30,7 +31,7 @@ const BG_COLOR_MAP = {
   [VOICE_CALL_STATUS.FAILED]: 'bg-n-ruby-9',
 };
 
-const { call } = useMessageContext();
+const { call, attachments, contentAttributes } = useMessageContext();
 
 const status = computed(() => call.value?.status);
 const isOutbound = computed(() => call.value?.direction === 'outgoing');
@@ -38,6 +39,30 @@ const isFailed = computed(() =>
   [VOICE_CALL_STATUS.NO_ANSWER, VOICE_CALL_STATUS.FAILED].includes(status.value)
 );
 
+const audioAttachment = computed(() =>
+  (attachments?.value || []).find(a => a.fileType === 'audio')
+);
+
+// Duration lives in two places depending on which payload the FE got:
+//   - call.duration_seconds / call.durationSeconds  (push_event_data shape)
+//   - content_attributes.data.duration_seconds      (message-side mirror)
+// Both can be camelCased by useTransformKeys upstream — check every variant.
+const durationSeconds = computed(() => {
+  const fromCall = call.value?.durationSeconds || call.value?.duration_seconds;
+  if (fromCall != null) return fromCall;
+
+  const data = contentAttributes?.value?.data || contentAttributes?.value?.data;
+  return data?.durationSeconds || data?.duration_seconds;
+});
+
+const formattedDuration = computed(() => {
+  const s = Number(durationSeconds.value);
+  if (!s || Number.isNaN(s)) return '';
+  const m = Math.floor(s / 60);
+  const sec = Math.floor(s % 60);
+  return `${m.toString().padStart(2, '0')}:${sec.toString().padStart(2, '0')}`;
+});
+
 const labelKey = computed(() => {
   if (LABEL_MAP[status.value]) return LABEL_MAP[status.value];
   if (status.value === VOICE_CALL_STATUS.RINGING) {
@@ -93,10 +118,19 @@ const bgColor = computed(() => BG_COLOR_MAP[status.value] || 'bg-n-teal-9');
             {{ $t(labelKey) }}
           </span>
           <span class="text-xs text-n-slate-11">
-            {{ $t(subtextKey) }}
+            <!-- When the audio chip is rendered it already shows duration in
+                 its own player; suppress here to avoid two competing numbers. -->
+            {{
+              audioAttachment
+                ? $t(subtextKey)
+                : formattedDuration || $t(subtextKey)
+            }}
           </span>
         </div>
       </div>
+      <div v-if="audioAttachment" class="px-3 pb-3 w-full">
+        <AudioChip :attachment="audioAttachment" class="text-n-slate-12" />
+      </div>
     </div>
   </BaseBubble>
 </template>

app/javascript/dashboard/components-next/message/chips/Audio.vue

@@ -41,8 +41,33 @@ const playbackSpeed = ref(1);
 
 const { uid } = getCurrentInstance();
 
+// MediaRecorder-produced WebM/Opus blobs lack a Duration header → <audio>.duration
+// resolves to Infinity until we seek past the end, which forces the engine to
+// scan the file and compute the real length. Safe no-op for files with a real
+// duration already (mp3/m4a/etc).
+const resolveStreamingDuration = () => {
+  const el = audioPlayer.value;
+  if (!el) return;
+  const onTimeUpdate = () => {
+    el.removeEventListener('timeupdate', onTimeUpdate);
+    el.currentTime = 0;
+    duration.value = el.duration;
+  };
+  el.addEventListener('timeupdate', onTimeUpdate);
+  try {
+    el.currentTime = Number.MAX_SAFE_INTEGER;
+  } catch {
+    el.removeEventListener('timeupdate', onTimeUpdate);
+  }
+};
+
 const onLoadedMetadata = () => {
-  duration.value = audioPlayer.value?.duration;
+  const d = audioPlayer.value?.duration;
+  if (!Number.isFinite(d)) {
+    resolveStreamingDuration();
+    return;
+  }
+  duration.value = d;
 };
 
 const playbackSpeedLabel = computed(() => {
@@ -53,7 +78,8 @@ const playbackSpeedLabel = computed(() => {
 // When the onLoadMetadata is called, so we need to set the duration
 // value when the component is mounted
 onMounted(() => {
-  duration.value = audioPlayer.value?.duration;
+  const d = audioPlayer.value?.duration;
+  if (Number.isFinite(d)) duration.value = d;
   audioPlayer.value.playbackRate = playbackSpeed.value;
 });