Fetch and add announcements to header in Actions view

Author: blewjy

Rocket.Chat/Controllers/Chat/ChannelActionsViewController.swift

@@ -37,6 +37,7 @@ class ChannelActionsViewController: BaseViewController {
                 header = [ChannelInfoUserCellData(user: subscription.directMessageUser)]
             } else {
                 let hasDescription = !(subscription.roomDescription?.isEmpty ?? true)
+                let hasAnnouncement = !(subscription.roomAnnouncement?.isEmpty ?? true)
                 let hasTopic = !(subscription.roomTopic?.isEmpty ?? true)
 
                 header = [
@@ -45,6 +46,10 @@ class ChannelActionsViewController: BaseViewController {
                         title: localized("chat.info.item.description"),
                         descriptionText: hasDescription ? subscription.roomDescription : localized("chat.info.item.no_description")
                     ),
+                    ChannelInfoDescriptionCellData(
+                        title: "Announcement",
+                        descriptionText: hasAnnouncement ? subscription.roomAnnouncement : "No announcement"
+                    ),
                     ChannelInfoDescriptionCellData(
                         title: localized("chat.info.item.topic"),
                         descriptionText: hasTopic ? subscription.roomTopic : localized("chat.info.item.no_topic")

Rocket.Chat/Models/Mapping/SubscriptionModelMapping.swift

@@ -95,6 +95,7 @@ extension Subscription: ModelMappeable {
 
     func mapRoom(_ values: JSON, realm: Realm?) {
         self.roomDescription = values["description"].stringValue
+        self.roomAnnouncement = values["announcement"].stringValue
         self.roomTopic = values["topic"].stringValue
 
         if let broadcast = values["broadcast"].bool {

Rocket.Chat/Models/Subscription/Subscription.swift

@@ -67,6 +67,7 @@ final class Subscription: BaseModel {
 
     @objc dynamic var roomTopic: String?
     @objc dynamic var roomDescription: String?
+    @objc dynamic var roomAnnouncement: String?
     @objc dynamic var roomReadOnly = false
     @objc dynamic var roomUpdatedAt: Date?
     @objc dynamic var roomLastMessage: Message?

Rocket.Chat/Models/Subscription/UnmanagedSubscription.swift

@@ -28,6 +28,7 @@ struct UnmanagedSubscription: UnmanagedObject, Equatable {
     var lastSeen: Date?
     var roomTopic: String?
     var roomDescription: String?
+    var roomAnnouncement: String?
     var roomReadOnly: Bool
     var roomUpdatedAt: Date?
     var roomLastMessage: Message?
@@ -82,6 +83,7 @@ extension UnmanagedSubscription {
         lastSeen = subscription.lastSeen
         roomTopic = subscription.roomTopic
         roomDescription = subscription.roomDescription
+        roomAnnouncement = subscription.roomAnnouncement
         roomReadOnly = subscription.roomReadOnly
         roomUpdatedAt = subscription.roomUpdatedAt
         roomLastMessage = subscription.roomLastMessage