Adjusted invitations to groups to check for common contexts

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/src/gnunet_chat_contact.c b/src/gnunet_chat_contact.c
index a955088..190c13a 100644
--- a/src/gnunet_chat_contact.c
+++ b/src/gnunet_chat_contact.c
@@ -23,6 +23,10 @@
  */
 
 #include "gnunet_chat_contact.h"
+#include "gnunet_chat_context.h"
+#include "gnunet_chat_handle.h"
+
+#include "gnunet_chat_contact_intern.c"
 
 struct GNUNET_CHAT_Contact*
 contact_create_from_member (struct GNUNET_CHAT_Handle *handle,
@@ -64,6 +68,65 @@ contact_update_key (struct GNUNET_CHAT_Contact *contact)
     contact->public_key = GNUNET_IDENTITY_public_key_to_string(pubkey);
 }
 
+struct GNUNET_CHAT_Context*
+contact_find_context (struct GNUNET_CHAT_Contact *contact)
+{
+  GNUNET_assert(contact);
+
+  if (contact->context)
+    return contact->context;
+
+  struct GNUNET_CHAT_ContactFindRoom find;
+  find.room = NULL;
+  GNUNET_MESSENGER_find_rooms(
+      contact->handle->messenger,
+      contact->member,
+      it_contact_find_room,
+      &find
+  );
+
+  // TODO: Check if the found room is a group or not
+
+  if (!(find.room))
+    return NULL;
+
+  struct GNUNET_HashCode key;
+  GNUNET_CRYPTO_random_block(GNUNET_CRYPTO_QUALITY_WEAK, &key, sizeof(key));
+
+  if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(
+      contact->handle->contexts, &key))
+    return NULL;
+
+  struct GNUNET_MESSENGER_Room *room = GNUNET_MESSENGER_open_room(
+      contact->handle->messenger, &key
+  );
+
+  if (!room)
+    return NULL;
+
+  struct GNUNET_CHAT_Context *context = context_create_from_room(
+      contact->handle, room
+  );
+
+  if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put(
+      contact->handle->contexts, &key, context,
+      GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
+  {
+    context_destroy(context);
+    return NULL;
+  }
+
+  struct GNUNET_MESSENGER_Message msg;
+  msg.header.kind = GNUNET_MESSENGER_KIND_INVITE;
+  GNUNET_CRYPTO_get_peer_identity(contact->handle->cfg, &(msg.body.invite.door));
+  GNUNET_memcpy(&(msg.body.invite.key), &key, sizeof(msg.body.invite.key));
+
+  GNUNET_MESSENGER_send_message(find.room, &msg, contact->member);
+
+  contact->context = context;
+  return contact->context;
+}
+
 void
 contact_destroy (struct GNUNET_CHAT_Contact* contact)
 {