update_date_derniere_connexion/1,
update_ip/2,
update_pseudo_user/2,
- users/0,
+ print_users/0,
+ print_users/1,
user_by_cookie/1,
user_by_id/1,
user_by_login/1,
est_banni/1,
can_register/1,
+ % trolls :
+ trolls/0,
+ trolls/1,
+ trolls_attente/1,
+ put_troll/2,
+ mod_troll/2,
+ del_troll/1,
+ troll_by_id/1,
+ current_troll/0,
+ elire_troll/0,
+
% versions :
update_version/1,
% utiles :
resultat_transaction/1\r
-]).\r
+]).
+
+-import(qlc, [e/1, e/2, q/1, cursor/1]).\r
\r
-include("../include/euphorik_bd.hrl").
-include("../include/euphorik_defines.hrl").\r
mnesia:clear_table(user),\r
mnesia:clear_table(reponse_minichat),\r
mnesia:clear_table(minichat),
+ mnesia:clear_table(troll),
mnesia:clear_table(ip_table),\r
% crée l'utilisateur root\r
mnesia:transaction(fun() ->\r
case user_by_cookie(Cookie) of
{ok, User} ->
case user_by_login(Login) of
- {ok, U} when User#user.login =/= [], U#user.id =/= User#user.id ->
+ {ok, U} when Login =/= [], U#user.id =/= User#user.id ->
login_deja_pris;
- _ ->
+ _ ->
User_modifie = User#user{
% TODO : pourquoi ne pas tester avec la valeur "undefined" plutôt qu'avec "is_list" ?
% TODO : validation plus strict des données (pas de page négative dans les conv par exemple)
end
).
-
-% Renvoie tous les users.
-users() ->
+
+% Affiche N user trié par leur date de dernière connexion.
+% Attention : pas d'index sur ce champs (la date)
+print_users(N) ->
resultat_transaction(mnesia:transaction(fun() ->
- qlc:e(qlc:q([E || E <- mnesia:table(user)]))
- end)).
+ C = cursor(q([E || E <- qlc:keysort(9, mnesia:table(user), [{order, descending}])])),
+ Users = qlc:next_answers(C, N),
+ lists:foreach(
+ fun(U) ->
+ #user{id = Id, pseudo = Pseudo, login = Login, ek_master = Ek_master, date_derniere_connexion = Date} = U,
+ {{Annee, Mois, Jour}, {Heure, Min, _}} = calendar:now_to_local_time(Date),
+ io:format(
+ "~4w : ~10.10..s~10.10..s ~2w.~2.2.0w.~w - ~2wh~2.2.0w~n",
+ [
+ Id,
+ if Ek_master -> "*"; true -> "" end ++ Pseudo,
+ "(" ++ Login ++ ")",
+ Jour, Mois, Annee, Heure, Min
+ ]
+ )
+ end,
+ Users
+ ),
+ qlc:delete_cursor(C)
+ end)).
+
+
+% Affiche tous les users.
+print_users() ->
+ print_users(all_remaining).
% Est-ce qu'un utilisateur existe en fonction de son cookie ?
user_by_cookie(Cookie) ->
resultat_transaction(mnesia:transaction(
fun() ->
- Users = qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.cookie =:= Cookie])),
- case Users of
+ case e(q([E || E <- mnesia:table(user), E#user.cookie =:= Cookie])) of
[User] -> {ok, User};
_ -> erreur
end
user_by_id(ID) ->
resultat_transaction(mnesia:transaction(
fun() ->
- Users = qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.id =:= ID])),
- case Users of
+ case e(q([E || E <- mnesia:table(user), E#user.id =:= ID])) of
[User] -> {ok, User};
_ -> erreur
end
user_by_login(Login) ->\r
resultat_transaction(mnesia:transaction(\r
fun() ->\r
- Users = qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.login =:= Login])),\r
+ Users = e(q([E || E <- mnesia:table(user), E#user.login =:= Login])),\r
case Users of\r
[User] -> {ok, User};\r
_ -> erreur\r
toggle_ek_master(User_id) ->
resultat_transaction(mnesia:transaction(
fun() ->
- Users = qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.id =:= User_id])),
+ Users = e(q([E || E <- mnesia:table(user), E#user.id =:= User_id])),
case Users of
[User] ->
mnesia:write(User#user{ek_master = not User#user.ek_master});
user_by_login_password(Login, Password) ->
resultat_transaction(mnesia:transaction(
fun() ->
- Users = qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.login =:= Login, E#user.password =:= Password])),
- case Users of
- [User] -> {ok, User};
+ case e(q([E || E <- mnesia:table(user), E#user.login =:= Login, E#user.password =:= Password])) of
+ [User | _] -> {ok, User};
_ -> erreur
end
end
user_by_mess(Id) ->
resultat_transaction(mnesia:transaction(
fun() ->
- case qlc:e(qlc:q([U || U <- mnesia:table(user), M <- mnesia:table(minichat), M#minichat.id =:= Id, M#minichat.auteur_id =:= U#user.id])) of
- [User] -> {ok, User};
+ case e(q([U || U <- mnesia:table(user), M <- mnesia:table(minichat), M#minichat.id =:= Id, M#minichat.auteur_id =:= U#user.id])) of
+ [User | _] -> {ok, User};
_ -> erreur
end
end
nouveau_message(Mess, Auteur_id, Repond_A) ->
% regarde si les id 'Repond_A' existent
F = fun() ->
- Nb_id_trouve = length(qlc:e(qlc:q([E#minichat.id || E <- mnesia:table(minichat), lists:member(E#minichat.id, Repond_A)]))),
+ Nb_id_trouve = length(e(q([E#minichat.id || E <- mnesia:table(minichat), lists:member(E#minichat.id, Repond_A)]))),
% est-ce que l'auteur existe ?
- Auteur = case qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.id =:= Auteur_id])) of
+ Auteur = case e(q([E || E <- mnesia:table(user), E#user.id =:= Auteur_id])) of
[A] -> A;
_ -> throw("L'auteur du message est introuvable")
end,
% est-ce que l'auteur à trop floodé ?
if Auteur#user.indice_flood =/= ?INDICE_SPAM_MAX, Auteur_maj#user.indice_flood =:= ?INDICE_SPAM_MAX, Delta =< ?DUREE_BLOCAGE_SPAM ->
mnesia:write(Auteur#user{indice_flood = Auteur_maj#user.indice_flood}),
- nouveau_message_sys(Auteur#user.pseudo ++ "(" ++ Auteur#user.login ++ ") est bloqué pour " ++ integer_to_list(trunc(?DUREE_BLOCAGE_SPAM / 1000)) ++ " secondes pour cause de flood..");
+ nouveau_message_sys(Auteur#user.pseudo ++ if Auteur#user.login =/= [] -> " (" ++ Auteur#user.login ++ ")"; true -> "" end ++ " est bloqué pour " ++ integer_to_list(trunc(?DUREE_BLOCAGE_SPAM / 1000)) ++ " secondes pour cause de flood.");
Auteur#user.indice_flood =:= ?INDICE_SPAM_MAX, Delta =< ?DUREE_BLOCAGE_SPAM ->
erreur;
true ->
% Renvoie N messages se trouvant sur la page P
messages(N, P) ->
F = fun() ->
- C = qlc:cursor(qlc:q([E || E <- qlc:keysort(2, mnesia:table(minichat), [{order, descending}])])),
+ C = cursor(q([E || E <- qlc:keysort(2, mnesia:table(minichat), [{order, descending}])])),
if P > 1 -> qlc:next_answers(C, N * (P - 1));
true -> ok
end,
message_by_id(Id) ->
case resultat_transaction(mnesia:transaction(
fun() ->
- qlc:e(qlc:q([E || E <- qlc:keysort(2, mnesia:table(minichat), [{order, ascending}]), Id =:= E#minichat.id]))
+ e(q([E || E <- qlc:keysort(2, mnesia:table(minichat), [{order, ascending}]), Id =:= E#minichat.id]))
end
)) of
[M] -> {ok, M};
resultat_transaction(mnesia:transaction(
fun() ->
% TODO : optimisations ? serait-ce du O(n) ?
- Query = qlc:q([E || E <- qlc:keysort(2, mnesia:table(minichat), [{order, ascending}]), lists:any(fun(Id) -> Id =:= E#minichat.id end, Ids)]),
- qlc:e(Query)
+ Query = q([E || E <- qlc:keysort(2, mnesia:table(minichat), [{order, ascending}]), lists:any(fun(Id) -> Id =:= E#minichat.id end, Ids)]),
+ e(Query)
end
)).
% TODO : ya pas plus simple ?
message_existe(Id) ->
resultat_transaction(mnesia:transaction(fun() ->
- length(qlc:e(qlc:q([E#minichat.id || E <- mnesia:table(minichat), E#minichat.id =:= Id]))) =:= 1
+ length(e(q([E#minichat.id || E <- mnesia:table(minichat), E#minichat.id =:= Id]))) =:= 1
end)).
% Renvoie les reponses (utilisé normalement uniquement pendant le debug).
reponses() ->
F = fun() ->
- qlc:e(qlc:q([E || E <- mnesia:table(reponse_minichat)]))
+ e(q([E || E <- mnesia:table(reponse_minichat)]))
end,
resultat_transaction(mnesia:transaction(F)).
repond_a(M_id) ->
resultat_transaction(mnesia:transaction(
fun() ->
- qlc:e(qlc:q(
+ e(q(
[M || E <- mnesia:table(reponse_minichat),
M <- mnesia:table(minichat),
E#reponse_minichat.repondant =:= M_id,
est_une_reponse_a_user(Id_user, Id_mess) ->
case mnesia:transaction(
fun() ->
- qlc:e(qlc:q([
+ e(q([
M#minichat.auteur_id || M <- mnesia:table(minichat), R <- mnesia:table(reponse_minichat),
M#minichat.auteur_id =:= Id_user, M#minichat.id =:= R#reponse_minichat.cible, R#reponse_minichat.repondant =:= Id_mess
]), [{unique_all, true}])
a_repondu_a_message(Id_user, Id_mess) ->
case mnesia:transaction(
fun() ->
- qlc:e(qlc:q([
+ e(q([
M#minichat.auteur_id || M <- mnesia:table(minichat), R <- mnesia:table(reponse_minichat),
R#reponse_minichat.cible =:= Id_mess, R#reponse_minichat.repondant =:= M#minichat.id, M#minichat.auteur_id =:= Id_user
]), [{unique_all, true}])
possede_message(Id_user, Id_mess) ->
case mnesia:transaction(
fun() ->
- qlc:e(qlc:q([E#minichat.auteur_id || E <- mnesia:table(minichat), E#minichat.id =:= Id_mess]))
+ e(q([E#minichat.auteur_id || E <- mnesia:table(minichat), E#minichat.id =:= Id_mess]))
end
) of
{atomic, [Id_user | []]} -> true;
ip_table() ->
resultat_transaction(mnesia:transaction(
fun() ->
- qlc:e(qlc:q([IP || IP <- mnesia:table(ip_table)]))
+ e(q([IP || IP <- mnesia:table(ip_table)]))
end
)).
est_banni(User_id) ->
resultat_transaction(mnesia:transaction(
fun() ->
- case qlc:e(qlc:q([
+ case e(q([
{IP#ip_table.ban, IP#ip_table.ban_duration} ||
U <- mnesia:table(user),
U#user.id =:= User_id,
can_register(IP) ->
resultat_transaction(mnesia:transaction(
fun() ->
- case qlc:e(qlc:q([I || I <- mnesia:table(ip_table), I#ip_table.ip =:= IP])) of
+ case e(q([I || I <- mnesia:table(ip_table), I#ip_table.ip =:= IP])) of
[] ->
mnesia:write(#ip_table{ip = IP, date_last_try_register = now()}),
true;
end
)).
+
+% Renvoie tous les trolls
+trolls() ->
+ resultat_transaction(mnesia:transaction(
+ fun() ->
+ e(q([T || T <- qlc:keysort(2, mnesia:table(troll))]))
+ end
+ )).
+
+
+% Renvoie les trolls manquants posté après Last_id.
+trolls(Last_id) ->
+ resultat_transaction(mnesia:transaction(
+ e(q([T || T <- qlc:keysort(2, mnesia:table(troll)), T#troll.id > Last_id, T#troll.date_post =:= undefined]))
+ )).
+
+
+% Renvoie les trolls manquants posté après Last_id.
+% Si pas de trolls alors attend un événement tel qu'un ajout, une modification ou une suppression.
+% renvoie :
+% {mod, Troll}
+% ou {add, [Trolls]}
+% ou {del, Troll_id}
+% ou timeout
+trolls_attente(Last_id) ->
+ case mnesia:subscribe({table, troll, detailed}) of
+ {error, E} = E ->
+ E;
+ _ ->
+ R = case resultat_transaction(mnesia:transaction(
+ fun() ->
+ e(q([T || T <- qlc:keysort(2, mnesia:table(troll)), T#troll.id > Last_id, T#troll.date_post =:= undefined]))
+ end
+ )) of
+ [] -> % pas de trolls
+ attend_evenement_troll();
+ Trolls ->
+ {add, Trolls}
+ end,
+ mnesia:unsubscribe({table, troll, detailed}),
+ R
+ end.
+
+attend_evenement_troll() ->
+ % s'il n'y a pas de trolls que l'utilisateur n'a pas connaissance alors on attend un événement
+ receive
+ % cas où un troll est choisit comme courant
+ {mnesia_table_event, {write, troll, Troll, [Old_troll | _], _}} when Old_troll#troll.date_post =:= undefined, Troll#troll.date_post =/= undefined ->
+ {del, Troll#troll.id};
+ {mnesia_table_event, {write, troll, Troll, [_Old_troll | _], _}} ->
+ {mod, Troll};
+ {mnesia_table_event, {write, troll, Troll, [], _}} ->
+ {add, [Troll]};
+ {mnesia_table_event, {delete, troll, {troll, Id}, _, _}} ->
+ {del, Id};
+ {tcp_closed, _} ->
+ exit(normal);
+ _ ->
+ attend_evenement_troll()
+ % 60 minutes de timeout (on ne sais jamais)
+ % Après 60 minutes de connexion, le client doit donc reétablir une connexion
+ after 1000 * 60 * 60 ->
+ timeout
+ end.
+
+
+ % Renvoie l'id du nouveau troll
+ % ou max_troll_reached_per_user si le nombre de troll posté par l'utilisateur max a été atteind
+ % ou max_troll_reached si le nombre de troll posté max a été atteind
+ % ou user_unknown
+put_troll(User_id, Content) ->
+ resultat_transaction(mnesia:transaction(
+ fun() ->
+ % control le nombre de troll déjà posté
+ Nb_troll_poste_par_user = length(e(q(
+ [
+ E#troll.id || E <- mnesia:table(troll),
+ E#troll.id_user =:= User_id,
+ E#troll.date_post =:= undefined
+ ]
+ ))),
+ Nb_troll_poste_total = length(e(q(
+ [
+ E#troll.id || E <- mnesia:table(troll),
+ E#troll.date_post =:= undefined
+ ]
+ ))),
+ User = user_by_id(User_id),
+ case User of
+ {ok, _} ->
+ if Nb_troll_poste_par_user >= ?NB_MAX_TROLL_WAITING_BY_USER ->
+ max_troll_reached_per_user;
+ Nb_troll_poste_total >= ?NB_MAX_TROLL_WAITING ->
+ max_troll_reached;
+ true ->
+ Id = nouvel_id(minichat),
+ mnesia:write(#troll{id = Id, id_user = User_id, date_create = now(), content = Content}),
+ Id
+ end;
+ _ ->
+ user_unknown
+ end
+ end
+ )).
+
+
+% renvoie ok | erreur
+mod_troll(Troll_id, Content) ->
+ mnesia:transaction(
+ fun() ->
+ case mnesia:wread({troll, Troll_id}) of
+ [Troll = #troll{date_post = undefined}] ->
+ mnesia:write(Troll#troll{content = Content});
+ _ ->
+ mnesia:abort("mod_troll: Troll inconnu ou déjà posté")
+ end
+ end
+ ).
+
+
+del_troll(Troll_id) ->
+ mnesia:transaction(
+ fun() ->
+ case mnesia:wread({troll, Troll_id}) of
+ [#troll{date_post = undefined}] ->
+ mnesia:delete({troll, Troll_id});
+ _ ->
+ mnesia:abort("mod_troll: Troll inconnu ou déjà posté")
+ end
+ end
+ ).
+
+
+troll_by_id(Troll_id) ->
+ resultat_transaction(mnesia:transaction(
+ fun() ->
+ case e(q([T || T <- mnesia:table(troll), T#troll.id =:= Troll_id])) of
+ [T] -> {ok, T};
+ _ ->
+ erreur
+ end
+ end
+ )).
+
+
+% Renvoie le troll actuel qui se trouve sur la page principale.
+% Renvois aucun si pas de troll courant.
+current_troll() ->
+ resultat_transaction(mnesia:transaction(
+ fun() ->
+ % TODO : ya pas moyen de désigner le champs plutot qu'avec un nombre pour le tri ?
+ C = cursor(q([T || T <- qlc:keysort(5, mnesia:table(troll), [{order, descending}]), T#troll.date_post =/= undefined])),
+ R = case qlc:next_answers(C, 1) of
+ [T] -> T;
+ _ -> aucun
+ end,
+ qlc:delete_cursor(C),
+ R
+ end
+ )).
+
+
+% Elit un troll au hasard parmis les trolls en attente (leur date_post =:= undefined)
+% met à jour sa date de post.
+% renvoie plus_de_trolls si il n'y a aucun troll en attente.
+elire_troll() ->
+ {A1,A2,A3} = now(),
+ random:seed(A1, A2, A3),
+ mnesia:transaction(
+ fun() ->
+ case e(q([T || T <- mnesia:table(troll), T#troll.date_post =:= undefined])) of
+ [] ->
+ plus_de_trolls;
+ Trolls ->
+ Troll = lists:nth(random:uniform(length(Trolls)), Trolls),
+ Troll2 = Troll#troll{date_post = now()},
+ mnesia:write(Troll2)
+ end
+ end
+ ).
+
+
update_version(1) ->
mnesia:transform_table(
projects / euphorik.git / blobdiff