| 1 |
|
%% Just a proxy interface module between the main mod_offline_chatmarkers module and |
| 2 |
|
%% the backend modules (i.e. mod_offline_chatmarkers_rdbms...). |
| 3 |
|
-module(mod_offline_chatmarkers_backend). |
| 4 |
|
|
| 5 |
|
-export([init/2, |
| 6 |
|
get/2, |
| 7 |
|
maybe_store/5, |
| 8 |
|
remove_user/2]). |
| 9 |
|
|
| 10 |
|
-define(MAIN_MODULE, mod_offline_chatmarkers). |
| 11 |
|
|
| 12 |
|
-callback init(mongooseim:host_type(), gen_mod:module_opts()) -> ok. |
| 13 |
|
-callback get(mongooseim:host_type(), jid:jid()) -> {ok, [{Thread :: undefined | binary(), |
| 14 |
|
Room :: undefined | jid:jid(), |
| 15 |
|
Timestamp :: integer()}]}. |
| 16 |
|
|
| 17 |
|
%%% Jid, Thread, and Room parameters serve as a composite database key. If |
| 18 |
|
%%% key is not available in the database, then it must be added with the |
| 19 |
|
%%% corresponding timestamp. Otherwise this function does nothing, the stored |
| 20 |
|
%%% timestamp for the composite key MUST remain unchanged! |
| 21 |
|
-callback maybe_store(mongooseim:host_type(), Jid :: jid:jid(), Thread :: undefined | binary(), |
| 22 |
|
Room :: undefined | jid:jid(), Timestamp :: integer()) -> ok. |
| 23 |
|
-callback remove_user(mongooseim:host_type(), Jid :: jid:jid()) -> ok. |
| 24 |
|
|
| 25 |
|
-spec init(mongooseim:host_type(), gen_mod:module_opts()) -> ok. |
| 26 |
|
init(HostType, Opts) -> |
| 27 |
:-( |
mongoose_backend:init(HostType, ?MAIN_MODULE, [get, maybe_store], Opts), |
| 28 |
:-( |
Args = [HostType, Opts], |
| 29 |
:-( |
mongoose_backend:call(HostType, ?MAIN_MODULE, ?FUNCTION_NAME, Args). |
| 30 |
|
|
| 31 |
|
-spec get(mongooseim:host_type(), jid:jid()) -> {ok, [{Thread :: undefined | binary(), |
| 32 |
|
Room :: undefined | jid:jid(), |
| 33 |
|
Timestamp :: integer()}]}. |
| 34 |
|
get(HostType, UserJID) -> |
| 35 |
:-( |
Args = [HostType, UserJID], |
| 36 |
:-( |
mongoose_backend:call_tracked(HostType, ?MAIN_MODULE, ?FUNCTION_NAME, Args). |
| 37 |
|
|
| 38 |
|
-spec maybe_store(mongooseim:host_type(), Jid :: jid:jid(), Thread :: undefined | binary(), |
| 39 |
|
Room :: undefined | jid:jid(), Timestamp :: integer()) -> ok. |
| 40 |
|
maybe_store(HostType, UserJID, Thread, Room, Timestamp) -> |
| 41 |
:-( |
Args = [HostType, UserJID, Thread, Room, Timestamp], |
| 42 |
:-( |
mongoose_backend:call_tracked(HostType, ?MAIN_MODULE, ?FUNCTION_NAME, Args). |
| 43 |
|
|
| 44 |
|
-spec remove_user(mongooseim:host_type(), Jid :: jid:jid()) -> ok. |
| 45 |
|
remove_user(HostType, UserJID) -> |
| 46 |
:-( |
Args = [HostType, UserJID], |
| 47 |
:-( |
mongoose_backend:call(HostType, ?MAIN_MODULE, ?FUNCTION_NAME, Args). |