1 files changed, 60 insertions, 0 deletions

diff --git a/server/lib/activitypub/send/send-like.ts b/server/lib/activitypub/send/send-like.ts
new file mode 100644
index 000000000..70a7d886f
--- /dev/null
+++ b/server/lib/activitypub/send/send-like.ts
@@ -0,0 +1,60 @@
+import { Transaction } from 'sequelize'
+import { ActivityLike } from '../../../../shared/models/activitypub/activity'
+import { getServerAccount } from '../../../helpers/utils'
+import { AccountInstance, VideoInstance } from '../../../models'
+import { getVideoLikeActivityPubUrl } from '../url'
+import {
+  broadcastToFollowers,
+  getAccountsToForwardVideoAction,
+  getAudience,
+  getOriginVideoAudience,
+  getVideoFollowersAudience,
+  unicastTo
+} from './misc'
+
+async function sendLikeToOrigin (byAccount: AccountInstance, video: VideoInstance, t: Transaction) {
+  const url = getVideoLikeActivityPubUrl(byAccount, video)
+
+  const audience = getOriginVideoAudience(video)
+  const data = await likeActivityData(url, byAccount, video, audience)
+
+  return unicastTo(data, byAccount, video.VideoChannel.Account.sharedInboxUrl, t)
+}
+
+async function sendLikeToVideoFollowers (byAccount: AccountInstance, video: VideoInstance, t: Transaction) {
+  const url = getVideoLikeActivityPubUrl(byAccount, video)
+
+  const audience = getVideoFollowersAudience(video)
+  const data = await likeActivityData(url, byAccount, video, audience)
+
+  const accountsToForwardView = await getAccountsToForwardVideoAction(byAccount, video)
+  const serverAccount = await getServerAccount()
+
+  const followersException = [ byAccount ]
+  return broadcastToFollowers(data, serverAccount, accountsToForwardView, t, followersException)
+}
+
+async function likeActivityData (url: string, byAccount: AccountInstance, video: VideoInstance, audience?: { to: string[], cc: string[] }) {
+  if (!audience) {
+    audience = await getAudience(byAccount)
+  }
+
+  const activity: ActivityLike = {
+    type: 'Like',
+    id: url,
+    actor: byAccount.url,
+    to: audience.to,
+    cc: audience.cc,
+    object: video.url
+  }
+
+  return activity
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  sendLikeToOrigin,
+  sendLikeToVideoFollowers,
+  likeActivityData
+}