Support creating chat invitation links

telegram-adium/TelegramAccount.m

@@ -17,10 +17,19 @@
  */
 
 #import "TelegramAccount.h"
+#import "tgp-ft.h"
+
 #import <libpurple/conversation.h>
 #import <Adium/ESFileTransfer.h>
 #import <Adium/AIListContact.h>
-#import "tgp-ft.h"
+#import <Adium/AIToolbarControllerProtocol.h>
+#import <Adium/AIMenuControllerProtocol.h>
+#import <Adium/AIChat.h>
+
+#import <AIUtilities/AIToolbarUtilities.h>
+#import <AIUtilities/AIImageAdditions.h>
+#import <AIUtilities/AIMenuAdditions.h>
+
 
 #include "telegram-purple.h"
 
@@ -46,7 +55,6 @@
 	return 443;
 }
 
-
 - (void)configurePurpleAccount
 {
   [super configurePurpleAccount];
@@ -87,6 +95,41 @@
                                intValue]);
 }
 
+#pragma mark Action Menu
+-(NSMenu*)actionMenuForChat:(AIChat*)chat
+{
+  NSArray *listObjects = nil;
+  AIListObject *listObject = nil;
+  
+  if (listObjects.count) {
+    listObject = [listObjects objectAtIndex:0];
+  }
+  
+  NSMenu *menu = [adium.menuController
+            contextualMenuWithLocations: [NSArray arrayWithObjects:
+            [NSNumber numberWithInteger: Context_GroupChat_Manage],
+            [NSNumber numberWithInteger: Context_Group_Manage],
+            [NSNumber numberWithInteger: Context_GroupChat_Action],
+            nil] forChat: chat];
+  
+  [menu addItem:[NSMenuItem separatorItem]];
+
+  [menu addItemWithTitle:@"Invite users by link..."
+                  target:self
+                  action:@selector(addUserByLink)
+           keyEquivalent:@""
+                     tag:0];
+  return menu;
+}
+- (void)addUserByLink
+{
+  connection_data *conn = purple_connection_get_protocol_data (purple_account_get_connection(account));
+  AIChat *chat = adium.interfaceController.activeChat;
+  const char *subject = [[[chat chatCreationDictionary] objectForKey:@"subject"] UTF8String];
+  export_chat_link_checked (conn->TLS, subject);
+}
+
+#pragma mark File transfer
 - (BOOL)canSendOfflineMessageToContact:(AIListContact *)inContact
 {
 	return YES;

telegram-purple.c

@@ -423,16 +423,62 @@ static void start_secret_chat (PurpleBlistNode *node, gpointer data) {
   tgl_do_create_secret_chat (conn->TLS, TGL_MK_USER(atoi (name)), 0, 0);
 }
 
+static void create_chat_link_done (struct tgl_state *TLS, void *extra, int success, const char *url) {
+  connection_data *conn = TLS->ev_base;
+  tgl_peer_t *C = extra;
+  
+  if (success) {
+    chat_show (conn->gc, tgl_get_peer_id (C->id));
+    char *msg = g_strdup_printf("Invite link: %s", url);
+    serv_got_chat_in (conn->gc, tgl_get_peer_id(C->id), "WebPage", PURPLE_MESSAGE_SYSTEM,
+                      msg, time(NULL));
+    g_free (msg);
+  } else {
+    purple_notify_error (_telegram_protocol, "Sorry", "Creating Chat Link Failed",
+                         "Check the error log for further information.");
+  }
+}
+
+static void create_chat_link (PurpleBlistNode *node, gpointer data) {
+  PurpleChat *chat = (PurpleChat*)node;
+  connection_data *conn = purple_connection_get_protocol_data (
+                            purple_account_get_connection(purple_chat_get_account(chat)));
+  export_chat_link_checked (conn->TLS, purple_chat_get_name (chat));
+}
+
+void export_chat_link_checked (struct tgl_state *TLS, const char *name) {
+  tgl_peer_t *C = tgl_peer_get_by_name (TLS, name);
+  if (! C) {
+    failure ("Chat \"%s\" not found, not exporting link.", name);
+    return;
+  } else {
+    debug ("Chat \"%s\" found.", name);
+  }
+  if (C->chat.admin_id != TLS->our_id) {
+    purple_notify_error (_telegram_protocol, "Failure", "Creating Chat Link Failed",
+                         "You need to be admin of the group to do that.");
+    return;
+  }
+  tgl_do_export_chat_link (TLS, C->id, create_chat_link_done, C);
+}
+
 static GList* tgprpl_blist_node_menu (PurpleBlistNode *node) {
   debug ("tgprpl_blist_node_menu()");
-  
+
   GList* menu = NULL;
   if (PURPLE_BLIST_NODE_IS_BUDDY(node)) {
     // Add encrypted chat option to the right click menu of all buddies
     PurpleBuddy* buddy = (PurpleBuddy*)node;
-    PurpleMenuAction* menu_action = purple_menu_action_new("Start Secret Chat",
+    PurpleMenuAction* action = purple_menu_action_new ("Start secret chat",
                                       PURPLE_CALLBACK(start_secret_chat), buddy, NULL);
-    menu = g_list_append(menu, (gpointer)menu_action);
+    
+    menu = g_list_append(menu, (gpointer)action);
+  }
+  if (PURPLE_BLIST_NODE_IS_CHAT(node)) {
+     // Generate Public Link
+    PurpleMenuAction* action = purple_menu_action_new ("Invite users by link",
+                                      PURPLE_CALLBACK(create_chat_link), NULL, NULL);
+    menu = g_list_append(menu, (gpointer)action);
   }
   return menu;
 }

telegram-purple.h

@@ -64,5 +64,6 @@ void on_ready (struct tgl_state *TLS);
 extern const char *pk_path;
 extern const char *config_dir;
 extern PurplePlugin *_telegram_protocol;
+void export_chat_link_checked (struct tgl_state *TLS, const char *name);
 
 #endif