Implement sending logic

Session/Conversations/Settings/OWSConversationSettingsViewController.m

@@ -1105,10 +1105,26 @@ CGFloat kIconViewLength = 24;
 
 - (void)inviteUsersToOpenGroup
 {
-    SNUserSelectionVC *userSelectionVC = [[SNUserSelectionVC alloc] initWithTitle:@"vc_conversation_settings_invite_button_title"
+    NSString *threadID = self.thread.uniqueId;
+    SNOpenGroupV2 *openGroup = [LKStorage.shared getV2OpenGroupForThreadID:threadID];
+    NSString *url = [NSString stringWithFormat:@"%@/%@?public_key=%@", openGroup.server, openGroup.room, openGroup.publicKey];
+    SNUserSelectionVC *userSelectionVC = [[SNUserSelectionVC alloc] initWithTitle:NSLocalizedString(@"vc_conversation_settings_invite_button_title", @"")
                                                                         excluding:[NSSet new]
                                                                        completion:^(NSSet<NSString *> *selectedUsers) {
-        
+        for (NSString *user in selectedUsers) {
+            SNVisibleMessage *message = [SNVisibleMessage new];
+            message.sentTimestamp = [NSDate millisecondTimestamp];
+            message.openGroupInvitation = [[SNOpenGroupInvitation alloc] initWithName:openGroup.name url:url];
+            TSOutgoingMessage *tsMessage = [TSOutgoingMessage from:message associatedWith:self.thread];
+            [LKStorage writeWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
+                [tsMessage saveWithTransaction:transaction];
+            }];
+            [LKStorage writeWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
+                TSContactThread *thread = [TSContactThread getThreadWithContactSessionID:user transaction:transaction];
+                [SNMessageSender send:message inThread:thread usingTransaction:transaction];
+                [self.navigationController popViewControllerAnimated:YES];
+            }];
+        }
     }];
     [self.navigationController pushViewController:userSelectionVC animated:YES];
 }

SessionMessagingKit/Messages/Visible Messages/VisibleMessage+OpenGroupInvitation.swift

@@ -7,7 +7,8 @@ public extension VisibleMessage {
         public var name: String?
         public var url: String?
 
-        internal init(name: String, url: String) {
+        @objc
+        public init(name: String, url: String) {
             self.name = name
             self.url = url
         }

SessionMessagingKit/Open Groups/V2/OpenGroupV2.swift

@@ -4,8 +4,8 @@ public final class OpenGroupV2 : NSObject, NSCoding { // NSObject/NSCoding confo
     @objc public let server: String
     @objc public let room: String
     public let id: String
-    public let name: String
-    public let publicKey: String
+    @objc public let name: String
+    @objc public let publicKey: String
     /// The ID with which the image can be retrieved from the server.
     public let imageID: String?