From 4e50b6a1c9a3eb261e04ede73241648e6edf21d6 Mon Sep 17 00:00:00 2001
From: Chocobozzz <florian.bigard@gmail.com>
Date: Mon, 27 Nov 2017 14:44:51 +0100
Subject: Add shares forward and collection on videos/video channels

---
 server/lib/activitypub/send/send-announce.ts | 86 ++++++++++++++++++++++++----
 1 file changed, 76 insertions(+), 10 deletions(-)

(limited to 'server/lib/activitypub/send/send-announce.ts')

diff --git a/server/lib/activitypub/send/send-announce.ts b/server/lib/activitypub/send/send-announce.ts
index b8ea51bc0..efc23af46 100644
--- a/server/lib/activitypub/send/send-announce.ts
+++ b/server/lib/activitypub/send/send-announce.ts
@@ -1,34 +1,96 @@
 import { Transaction } from 'sequelize'
 import { ActivityAdd } from '../../../../shared/index'
-import { ActivityAnnounce, ActivityCreate } from '../../../../shared/models/activitypub/activity'
+import { ActivityAnnounce, ActivityAudience, ActivityCreate } from '../../../../shared/models/activitypub/activity'
 import { AccountInstance, VideoInstance } from '../../../models'
 import { VideoChannelInstance } from '../../../models/video/video-channel-interface'
 import { getAnnounceActivityPubUrl } from '../url'
-import { broadcastToFollowers } from './misc'
+import {
+  broadcastToFollowers,
+  getAccountsInvolvedInVideo,
+  getAccountsInvolvedInVideoChannel,
+  getAudience,
+  getObjectFollowersAudience,
+  getOriginVideoAudience,
+  getOriginVideoChannelAudience,
+  unicastTo
+} from './misc'
 import { addActivityData } from './send-add'
 import { createActivityData } from './send-create'
 
-async function sendVideoAnnounce (byAccount: AccountInstance, video: VideoInstance, t: Transaction) {
+async function buildVideoAnnounceToFollowers (byAccount: AccountInstance, video: VideoInstance, t: Transaction) {
   const url = getAnnounceActivityPubUrl(video.url, byAccount)
 
   const videoChannel = video.VideoChannel
   const announcedActivity = await addActivityData(url, videoChannel.Account, video, videoChannel.url, video.toActivityPubObject())
 
-  const data = await announceActivityData(url, byAccount, announcedActivity)
+  const accountsToForwardView = await getAccountsInvolvedInVideo(video)
+  const audience = getObjectFollowersAudience(accountsToForwardView)
+  const data = await announceActivityData(url, byAccount, announcedActivity, audience)
+
+  return data
+}
+
+async function sendVideoAnnounceToFollowers (byAccount: AccountInstance, video: VideoInstance, t: Transaction) {
+  const data = await buildVideoAnnounceToFollowers(byAccount, video, t)
+
   return broadcastToFollowers(data, byAccount, [ byAccount ], t)
 }
 
-async function sendVideoChannelAnnounce (byAccount: AccountInstance, videoChannel: VideoChannelInstance, t: Transaction) {
+async function sendVideoAnnounceToOrigin (byAccount: AccountInstance, video: VideoInstance, t: Transaction) {
+  const url = getAnnounceActivityPubUrl(video.url, byAccount)
+
+  const videoChannel = video.VideoChannel
+  const announcedActivity = await addActivityData(url, videoChannel.Account, video, videoChannel.url, video.toActivityPubObject())
+
+  const accountsInvolvedInVideo = await getAccountsInvolvedInVideo(video)
+  const audience = getOriginVideoAudience(video, accountsInvolvedInVideo)
+  const data = await createActivityData(url, byAccount, announcedActivity, audience)
+
+  return unicastTo(data, byAccount, videoChannel.Account.sharedInboxUrl, t)
+}
+
+async function buildVideoChannelAnnounceToFollowers (byAccount: AccountInstance, videoChannel: VideoChannelInstance, t: Transaction) {
   const url = getAnnounceActivityPubUrl(videoChannel.url, byAccount)
   const announcedActivity = await createActivityData(url, videoChannel.Account, videoChannel.toActivityPubObject())
 
-  const data = await announceActivityData(url, byAccount, announcedActivity)
+  const accountsToForwardView = await getAccountsInvolvedInVideoChannel(videoChannel)
+  const audience = getObjectFollowersAudience(accountsToForwardView)
+  const data = await announceActivityData(url, byAccount, announcedActivity, audience)
+
+  return data
+}
+
+async function sendVideoChannelAnnounceToFollowers (byAccount: AccountInstance, videoChannel: VideoChannelInstance, t: Transaction) {
+  const data = await buildVideoChannelAnnounceToFollowers(byAccount, videoChannel, t)
+
   return broadcastToFollowers(data, byAccount, [ byAccount ], t)
 }
 
-async function announceActivityData (url: string, byAccount: AccountInstance, object: ActivityCreate | ActivityAdd) {
+async function sendVideoChannelAnnounceToOrigin (byAccount: AccountInstance, videoChannel: VideoChannelInstance, t: Transaction) {
+  const url = getAnnounceActivityPubUrl(videoChannel.url, byAccount)
+  const announcedActivity = await createActivityData(url, videoChannel.Account, videoChannel.toActivityPubObject())
+
+  const accountsInvolvedInVideo = await getAccountsInvolvedInVideoChannel(videoChannel)
+  const audience = getOriginVideoChannelAudience(videoChannel, accountsInvolvedInVideo)
+  const data = await createActivityData(url, byAccount, announcedActivity, audience)
+
+  return unicastTo(data, byAccount, videoChannel.Account.sharedInboxUrl, t)
+}
+
+async function announceActivityData (
+  url: string,
+  byAccount: AccountInstance,
+  object: ActivityCreate | ActivityAdd,
+  audience?: ActivityAudience
+) {
+  if (!audience) {
+    audience = await getAudience(byAccount)
+  }
+
   const activity: ActivityAnnounce = {
     type: 'Announce',
+    to: audience.to,
+    cc: audience.cc,
     id: url,
     actor: byAccount.url,
     object
@@ -40,7 +102,11 @@ async function announceActivityData (url: string, byAccount: AccountInstance, ob
 // ---------------------------------------------------------------------------
 
 export {
-  sendVideoAnnounce,
-  sendVideoChannelAnnounce,
-  announceActivityData
+  sendVideoAnnounceToFollowers,
+  sendVideoChannelAnnounceToFollowers,
+  sendVideoAnnounceToOrigin,
+  sendVideoChannelAnnounceToOrigin,
+  announceActivityData,
+  buildVideoAnnounceToFollowers,
+  buildVideoChannelAnnounceToFollowers
 }
-- 
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