Refactored offline messaging.

src/tox-weechat-data.c

@@ -41,7 +41,6 @@ const char *tox_weechat_json_friend_request_key_client_id = "client_id";
 const char *tox_weechat_json_friend_request_key_message = "message";
 const char *tox_weechat_json_key_unsent_messages = "unsent_messages";
 const char *tox_weechat_json_unsent_messages_key_recipient_id = "recipient_id";
-const char *tox_weechat_json_unsent_messages_key_message = "message";
 
 json_t *tox_weechat_json_data = NULL;
 
@@ -111,43 +110,43 @@ tox_weechat_data_friend_requests_json(struct t_tox_weechat_identity *identity)
 }
 
 /**
- * Save an identity's unsent messages into a json array.
+ * Save an identity's unsent messages into a json object.
  */
 json_t *
 tox_weechat_data_unsent_messages_json(struct t_tox_weechat_identity *identity)
 {
-    json_t *unsent_messages_array = json_array();
-    if (!unsent_messages_array)
+    json_t *messages_object = json_object();
+    if (!messages_object)
         return NULL;
 
-    for (struct t_tox_weechat_unsent_message *message = identity->unsent_messages;
+    for (struct t_tox_weechat_unsent_message_recipient *recipient = identity->unsent_message_recipients;
+         recipient;
+         recipient = recipient->next_recipient)
+    {
+        char hex_id[TOX_CLIENT_ID_SIZE * 2 + 1];
+        tox_weechat_bin2hex(recipient->recipient_id, TOX_CLIENT_ID_SIZE, hex_id);
+
+        json_t *json_messages = json_array();
+        if (!json_messages)
+            break;
+
+        for (struct t_tox_weechat_unsent_message *message = recipient->unsent_messages;
              message;
              message = message->next_message)
         {
-        char hex_id[TOX_CLIENT_ID_SIZE * 2 + 1];
-        tox_weechat_bin2hex(message->recipient_id, TOX_CLIENT_ID_SIZE, hex_id);
-
-        json_t *json_message = json_object();
-        json_t *json_id = json_string(hex_id);
-        json_t *json_message_data = json_string(message->message);
-        if (!json_message || !json_id || !json_message_data)
+            json_t *json_message = json_string(message->message);
+            if (!json_message)
                 break;
 
-        json_object_set(json_message,
-                        tox_weechat_json_unsent_messages_key_recipient_id,
-                        json_id);
-        json_decref(json_id);
-
-        json_object_set(json_message,
-                        tox_weechat_json_unsent_messages_key_message,
-                        json_message_data);
-        json_decref(json_message_data);
-
-        json_array_append(unsent_messages_array, json_message);
+            json_array_append(json_messages, json_message);
             json_decref(json_message);
         }
 
-    return unsent_messages_array;
+        json_object_set(messages_object, hex_id, json_messages);
+        json_decref(json_messages);
+    }
+
+    return messages_object;
 }
 
 /**
@@ -175,6 +174,7 @@ tox_weechat_data_identity_save(struct t_tox_weechat_identity *identity)
     char *identity_key = tox_weechat_json_get_identity_key(identity);
     json_object_set(tox_weechat_json_data, identity_key, json_data);
     free(identity_key);
+
     json_decref(json_data);
 }
 
@@ -215,23 +215,7 @@ void
 tox_weechat_data_load_unsent_messages(struct t_tox_weechat_identity *identity,
                                       json_t *friend_requests)
 {
-    size_t index;
-    json_t *json_message;
-    json_array_foreach(friend_requests, index, json_message)
-    {
-        char client_id[TOX_CLIENT_ID_SIZE];
-        const char *message;
-
-        json_t *json_id = json_object_get(json_message,
-                                          tox_weechat_json_unsent_messages_key_recipient_id);
-        json_t *json_message_data = json_object_get(json_message,
-                                                    tox_weechat_json_unsent_messages_key_message);
-
-        tox_weechat_hex2bin(json_string_value(json_id), TOX_CLIENT_ID_SIZE * 2, client_id);
-        message = json_string_value(json_message_data);
-
     // TODO
-    }
 }
 
 /**
@@ -263,6 +247,7 @@ tox_weechat_data_load()
 {
     char *full_path = tox_weechat_json_data_file_path();
 
+
     json_error_t error;
     tox_weechat_json_data = json_load_file(full_path, 0, &error);
     free(full_path);

src/tox-weechat-identities.c

@@ -207,7 +207,7 @@ tox_weechat_identity_new(const char *name)
     identity->tox_do_timer = NULL;
     identity->chats = identity->last_chat = NULL;
     identity->friend_requests = identity->last_friend_request = NULL;
-    identity->unsent_messages = identity->last_unsent_message = NULL;
+    identity->unsent_message_recipients = identity->last_unsent_message_recipient = NULL;
     identity->tox_online = false;
 
     // set up config

src/tox-weechat-identities.h

@@ -52,8 +52,8 @@ struct t_tox_weechat_identity
     struct t_tox_weechat_friend_request *last_friend_request;
     unsigned int friend_request_count;
 
-    struct t_tox_weechat_unsent_message *unsent_messages;
-    struct t_tox_weechat_unsent_message *last_unsent_message;
+    struct t_tox_weechat_unsent_message_recipient *unsent_message_recipients;
+    struct t_tox_weechat_unsent_message_recipient *last_unsent_message_recipient;
 
     struct t_tox_weechat_identity *next_identity;
     struct t_tox_weechat_identity *prev_identity;

src/tox-weechat-messages.c

@@ -26,29 +26,88 @@
 
 #include "tox-weechat-messages.h"
 
+/**
+ * Return an existing unsent message recipient object or NULL.
+ */
+struct t_tox_weechat_unsent_message_recipient *
+tox_weechat_unsent_message_recipient_with_id(struct t_tox_weechat_identity *identity,
+                                             const uint8_t *id)
+{
+    struct t_tox_weechat_unsent_message_recipient *recipient;
+    for (recipient = identity->unsent_message_recipients;
+         recipient;
+         recipient = recipient->next_recipient)
+    {
+        if (memcmp(recipient->recipient_id, id, TOX_CLIENT_ID_SIZE) == 0)
+            return recipient;
+    }
+
+    return NULL;
+}
+
+/**
+ * Create and return a new unsent message recipient object.
+ */
+struct t_tox_weechat_unsent_message_recipient *
+tox_weechat_unsent_message_recipient_new(struct t_tox_weechat_identity *identity,
+                                         const uint8_t *id)
+{
+    struct t_tox_weechat_unsent_message_recipient *recipient = malloc(sizeof(*recipient));
+    if (!recipient)
+        return NULL;
+
+    memcpy(recipient->recipient_id, id, TOX_CLIENT_ID_SIZE);
+
+    recipient->unsent_messages = recipient->last_unsent_message = NULL;
+
+    recipient->prev_recipient = identity->last_unsent_message_recipient;
+    recipient->next_recipient = NULL;
+
+    if (identity->unsent_message_recipients == NULL)
+        identity->unsent_message_recipients = recipient;
+    else
+        identity->last_unsent_message_recipient->next_recipient = recipient;
+
+    identity->last_unsent_message_recipient = recipient;
+
+    return recipient;
+}
+
+/**
+ * Add a new message to the unsent messages queue.
+ */
 void
 tox_weechat_add_unsent_message(struct t_tox_weechat_identity *identity,
                                const uint8_t *recipient_id,
                                const char *message)
 {
+    struct t_tox_weechat_unsent_message_recipient *recipient
+        = tox_weechat_unsent_message_recipient_with_id(identity, recipient_id);
+    if (!recipient)
+        recipient = tox_weechat_unsent_message_recipient_new(identity, recipient_id);
+    if (!recipient)
+        return;
+
     struct t_tox_weechat_unsent_message *unsent_message = malloc(sizeof(*unsent_message));
     if (!message)
         return;
 
-    memcpy(unsent_message->recipient_id, recipient_id, TOX_CLIENT_ID_SIZE);
     unsent_message->message = strdup(message);
 
-    unsent_message->prev_message = identity->last_unsent_message;
+    unsent_message->prev_message = recipient->last_unsent_message;
     unsent_message->next_message = NULL;
 
-    if (identity->unsent_messages == NULL)
-        identity->unsent_messages = unsent_message;
+    if (recipient->unsent_messages == NULL)
+        recipient->unsent_messages = unsent_message;
     else
-        identity->last_unsent_message->next_message = unsent_message;
+        recipient->last_unsent_message->next_message = unsent_message;
 
-    identity->last_unsent_message = unsent_message;
+    recipient->last_unsent_message = unsent_message;
 }
 
+/**
+ * Sends a message to a friend. Does message splitting and queuing.
+ */
 uint32_t
 tox_weechat_send_friend_message(struct t_tox_weechat_identity *identity,
                                 int32_t friend_number,

src/tox-weechat-messages.h

@@ -24,10 +24,20 @@
 
 struct t_tox_weechat_identity;
 
+struct t_tox_weechat_unsent_message_recipient
+{
+    uint8_t recipient_id[TOX_CLIENT_ID_SIZE];
+
+    struct t_tox_weechat_unsent_message *unsent_messages;
+    struct t_tox_weechat_unsent_message *last_unsent_message;
+
+    struct t_tox_weechat_unsent_message_recipient *next_recipient;
+    struct t_tox_weechat_unsent_message_recipient *prev_recipient;
+};
+
 struct t_tox_weechat_unsent_message
 {
     const char *message;
-    uint8_t recipient_id[TOX_CLIENT_ID_SIZE];
 
     struct t_tox_weechat_unsent_message *next_message;
     struct t_tox_weechat_unsent_message *prev_message;

src/tox-weechat.c

@@ -62,8 +62,9 @@ int
 weechat_plugin_end(struct t_weechat_plugin *plugin)
 {
     tox_weechat_config_write();
-    tox_weechat_data_save();
     tox_weechat_identity_free_all();
+    tox_weechat_data_save();
+    tox_weechat_data_free();
 
     return WEECHAT_RC_OK;
 }