From 13ea96f3600d1c42b22b6ea91dc75055555f72b7 Mon Sep 17 00:00:00 2001 From: Greg Burri Date: Mon, 25 Feb 2008 22:01:17 +0000 Subject: [PATCH] =?utf8?q?MOD=20Support=20des=20conversations=20et=20passa?= =?utf8?q?ge=20au=20protocole=20n=C2=B01=20(avancement=20:=20erl=20=3D=205?= =?utf8?q?0%,=20js=20=3D=200%)?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit --- doc/TODO.txt | 2 +- doc/protocole2.txt | 258 ++++++------ js/jquery.js | 28 +- mise_en_prod.rb | 35 +- modules/Makefile | 16 +- modules/erl/euphorik_minichat.erl | 396 ++++++++++++++++++ .../erl/euphorik_minichat_conversation.erl | 197 +++++++++ modules/erl/euphorik_protocole.erl | 42 +- sessions/doc | 2 + sessions/erl | 8 + sessions/js | 4 + 11 files changed, 815 insertions(+), 173 deletions(-) create mode 100755 modules/erl/euphorik_minichat.erl create mode 100755 modules/erl/euphorik_minichat_conversation.erl create mode 100755 sessions/doc create mode 100755 sessions/erl create mode 100755 sessions/js diff --git a/doc/TODO.txt b/doc/TODO.txt index 3f6f220..abb1fe3 100755 --- a/doc/TODO.txt +++ b/doc/TODO.txt @@ -91,7 +91,7 @@ * gestin des timezone (fuseaux horaire) * Créer un style "super old school" (couleur 8 bit, pas de smiles/images, font fixe) * Un statut "EK" avec plein de privilège à la con. (avoir une petite étoile à coté de son nick ou le nick d'une certaine couleur) - +* La balise pour mettre des spoilers -- Bugs -- 1 : Critique diff --git a/doc/protocole2.txt b/doc/protocole2.txt index 6449cd9..f691780 100644 --- a/doc/protocole2.txt +++ b/doc/protocole2.txt @@ -1,69 +1,69 @@ -Euphorik - minichat - Protocole v2 ----------------------------------- - -A. Introduction ---------------- - -Ce document a pour but de décrire la communication client-serveur du site euphorik. -Ce document remplace 'protocole.txt' qui était la première version du protocol. - -B. Principe ------------ - -Enregistrement: - -Authentification: - -Rafraichissement: - * Le client envoie une demande au serveur avec l'id du dernier message (via XMLHttpRequest ou un function de JQuery) - * Le serveur maintient la connexion bloqué si le client est à jour. - * Dès qu'un nouveau message arrive, le serveurs débloque la connexion est envoie le ou les messages manquants. +Euphorik - minichat - Protocole v2 +---------------------------------- + +A. Introduction +--------------- + +Ce document a pour but de décrire la communication client-serveur du site euphorik. +Ce document remplace 'protocole.txt' qui était la première version du protocol. + +B. Principe +----------- + +Enregistrement: + +Authentification: + +Rafraichissement: + * Le client envoie une demande au serveur avec l'id du dernier message (via XMLHttpRequest ou un function de JQuery) + * Le serveur maintient la connexion bloqué si le client est à jour. + * Dès qu'un nouveau message arrive, le serveurs débloque la connexion est envoie le ou les messages manquants. - -C. Protocole ------------- -c : client -s : server -Chaque message est numéroté #. -Les messages client vers serveur sont envoyé par HTTP-POST - - -C.1. Login ----------- - -c -> s + +C. Protocole +------------ +c : client +s : server +Chaque message est numéroté #. +Les messages client vers serveur sont envoyé par HTTP-POST + + +C.1. Login +---------- + +c -> s #1 Paul IJKJDHHSAD9081238 - -ou + +ou #2 ( et peuvent être omis) Paul IJKJDHHSAD9081238 - - -s -> c -#3 ( et pas obligatoire) - - enregistre|identifie|erreur - LKJDLAKSJBFLKASN - 7ZS + + +s -> c +#3 ( et pas obligatoire) + + enregistre|identifie|erreur + LKJDLAKSJBFLKASN + 7ZS Paul paul49 paul@pierre.com - css/lite.css - blabla - - - -C.2. Logout ------------ -c -> s - - LKJDLAKSJBFLKASN + css/lite.css + blabla + + + +C.2. Logout +----------- +c -> s + + LKJDLAKSJBFLKASN C.3. Profile @@ -84,78 +84,82 @@ s -> c ok|pas ok balbla> - - - -C.4. Attente evenement ----------------------- - -Si dernierMessageId est absent alors le client ne possède pas de message. -Page peut être omis, il a alors la valeur 1 (première page) + + + +C.4. Refresh messages +--------------------- + +Si dernierMessageId est absent alors le client ne possède pas de message. +Page peut être omis, il a alors la valeur 1 (première page) dernierMessageId est en base 36 (l'histoire de rigoler un peu) - -c -> s - - LKJDLAKSJBFLKASN - 6ZR - 10 - 1 - - -s -> c - - 4 - - Hier 17:26:54 - - - - - Paul - paul_22 - Salut - - - - - - - - - -ou - - TODO - - -ou - - raison - - -C.5. Envoie message -------------------- - -Un client envoie un message, le message peut répondre à un certain nombre d'autres messages. - n'est pas obligatoire. -c -> s - - LKJDLAKSJBFLKASN - Paul - Bonjour - - - - - - - -s -> c - - ok|pas ok - - - -C.5. Envoie message -------------------- - + +c -> s + + LKJDLAKSJBFLKASN + 10 + + RE + 6ZR + 1 + + + + +s -> c + + + true + + Hier 17:26:54 + + + + + Paul + paul_22 + Salut + + + + + + + + + + +ou + + + TODO + +ou + + raison + + + +C.5. 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border(elem){add(jQuery.curCSS(elem,"borderLeftWidth",true),jQuery.curCSS(elem,"borderTopWidth",true));}function add(l,t){left+=parseInt(l)||0;top+=parseInt(t)||0;}return results;};})(); \ No newline at end of file diff --git a/mise_en_prod.rb b/mise_en_prod.rb index ef1819e..5c5a8f7 100755 --- a/mise_en_prod.rb +++ b/mise_en_prod.rb @@ -1,17 +1,24 @@ #!/usr/bin/ruby -# la destination -$dest = 'gburri@euphorik.ch:/var/www/euphorik' -$dest = $*[0] if $*.length > 1 +def copy_files(dest, opt) + p "rsync #{opt} index.html #{dest}" + `rsync #{opt} index.html #{dest}` + `rsync #{opt} -r css #{dest}` + `rsync #{opt} -r img #{dest}` + `rsync #{opt} -r js #{dest}` + `rsync #{opt} -r lightbox #{dest}` + `rsync #{opt} -r modules/include #{dest}/modules` + `rsync #{opt} -r modules/ebin #{dest}/modules` + `rsync #{opt} -r pages #{dest}` +end -# les options communes -$opt = '' - -`rsync $opt index.html #{$dest}` -`rsync $opt -r css #{$dest}` -`rsync $opt -r img #{$dest}` -`rsync $opt -r js #{$dest}` -`rsync $opt -r lightbox #{$dest}` -`rsync $opt -r modules/include #{$dest}/modules` -`rsync $opt -r modules/ebin #{$dest}/modules` -`rsync $opt -r pages #{$dest}` +if __FILE__ == $0 + # la destination + $dest = 'gburri@euphorik.ch:/var/www/euphorik' + $dest = $*[0] if $*.length > 1 + + # les options communes + $opt = '' + + copy_files($dest, $opt) +end diff --git a/modules/Makefile b/modules/Makefile index 1675c83..ee77325 100755 --- a/modules/Makefile +++ b/modules/Makefile @@ -12,10 +12,10 @@ erlc_params = -I $(rep_include) -o $(rep_ebin) $< # Compilation de toute l'application euphorik all: $(rep_ebin)/euphorik_bd.beam \ -$(rep_ebin)/minichat.beam \ +$(rep_ebin)/euphorik_minichat.beam \ +$(rep_ebin)/euphorik_minichat_conversation.beam \ $(rep_ebin)/euphorik_requests.beam \ -$(rep_ebin)/euphorik_protocole.beam \ -$(rep_ebin)/captcha.beam \ +$(rep_ebin)/euphorik_protocole.beam \ $(rep_ebin)/euphorik_format.beam \ $(rep_ebin)/euphorik_deamon.beam @@ -24,7 +24,11 @@ $(rep_ebin)/euphorik_bd.beam: $(rep_erl)/euphorik_bd.erl $(rep_include)/euphorik erlc $(erlc_params) # Module permettant l'ajout et la demande de message dans le minichat -$(rep_ebin)/minichat.beam: $(rep_erl)/minichat.erl $(rep_include)/euphorik_bd.hrl +$(rep_ebin)/euphorik_minichat.beam: $(rep_erl)/euphorik_minichat.erl $(rep_include)/euphorik_bd.hrl + erlc $(erlc_params) + +# Module permettant l'extraction des conversations du minichat +$(rep_ebin)/euphorik_minichat_conversation.beam: $(rep_erl)/euphorik_minichat_conversation.erl $(rep_include)/euphorik_bd.hrl erlc $(erlc_params) # Module traitant les requêtes AJAX du client javascript d'euphorik @@ -36,8 +40,8 @@ $(rep_ebin)/euphorik_protocole.beam: $(rep_erl)/euphorik_protocole.erl erlc $(erlc_params) # Module pour la génération du captcha -$(rep_ebin)/captcha.beam: $(rep_erl)/captcha.erl - erlc $(erlc_params) +#$(rep_ebin)/captcha.beam: $(rep_erl)/captcha.erl +# erlc $(erlc_params) # Module pour le formatage $(rep_ebin)/euphorik_format.beam: $(rep_erl)/euphorik_format.erl diff --git a/modules/erl/euphorik_minichat.erl b/modules/erl/euphorik_minichat.erl new file mode 100755 index 0000000..a7d267c --- /dev/null +++ b/modules/erl/euphorik_minichat.erl @@ -0,0 +1,396 @@ +% coding: utf-8 +% Ce module permet de gérer les données persistantes lié au minichat d'euphorik.ch +% Il permet d'ajouter des message, de demande les messages sur une page donnée, etc.. +% Ce module utilise la base mnesia créée par le module euphorik_bd. +% Auteur : G.Burri +% Date : 22.10.2007 + +-module(euphorik_minichat). +-export([ + connect/0, + % get : + messages/1, + messages/2, + messages/3, + get_messages_depuis_ids/1, + reponses/0, + repond_a/1, + get_nb_page/1, + users/0, + get_user_by_cookie/1, + get_user_by_id/1, + get_user_by_login/1, + get_user_by_login_password/2, + possede_message/2, + a_repondu_a_message/2, + est_une_reponse_a_user/2, + % set : + update_pseudo_user/2, + set_profile/6, + update_date_derniere_connexion/1, + nouveau_user/2, + nouveau_user/3, + nouveau_message/3, + reset/0, + % reservé : + resultat_transaction/1]). + +-include("../include/euphorik_bd.hrl"). +-include_lib("stdlib/include/qlc.hrl"). + +% Un message est considéré comme du spam s'il est posté 1 seconde ou moins après le dernier posté +-define(DUREE_SPAM, 1000). % ms + +% Lorsque l'indice de spam d'un utilisateur atteind cette valeur alors il ne peut plus poster pendant un moment +-define(INDICE_SPAM_MAX, 6). + +% Un utilisateur ayant trop spamé est bloqué pendant ce temps +-define(DUREE_BLOCAGE_SPAM, 20000). % ms + + +% Connexion à la base de données de yaws sur overnux +connect() -> + mnesia:start(), + mnesia:change_config(extra_db_nodes, [yaws@Plop]). + + +% Efface tous les users, minichat_reponse et minichat. +reset() -> + mnesia:clear_table(counter), + mnesia:clear_table(user), + mnesia:clear_table(reponse_minichat), + mnesia:clear_table(minichat), + % crée l'utilisateur root + mnesia:transaction(fun() -> + User = #user{id = 0, pseudo = "Sys", login = "Sys", date_creation = now(), date_derniere_connexion = now()}, + mnesia:write(User), + User + end). + + +% Est-ce qu'un utilisateur existe en fonction de son cookie ? +% Renvoie {ok, User} ou erreur +get_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 + [User] -> {ok, User}; + _ -> erreur + end + end + )). + + +get_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 + [User] -> {ok, User}; + _ -> erreur + end + end + )). + + +get_user_by_login(Login) -> + resultat_transaction(mnesia:transaction( + fun() -> + Users = qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.login =:= Login])), + case Users of + [User] -> {ok, User}; + _ -> erreur + end + end + )). + + +get_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}; + _ -> erreur + end + end + )). + + +% Renvoie l'utilisateur root +get_root() -> + {ok, User} = get_user_by_id(0), + User. + + +% Est-ce que Id_user possède Id_mess ? +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])) + end + ) of + {atomic, [Id_user | []]} -> true; + _ -> false + end. + + +% Est-ce que Id_user à répondu au message Id_mess +a_repondu_a_message(Id_user, Id_mess) -> + case mnesia:transaction( + fun() -> + qlc:e(qlc: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}]) + end + ) of + {atomic, [_]} -> true; + _ -> false + end. + + +% Est-ce que le message Id_mess est une réponse d'une message de Id_user ? +est_une_reponse_a_user(Id_user, Id_mess) -> + case mnesia:transaction( + fun() -> + qlc:e(qlc: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}]) + end + ) of + {atomic, [_]} -> true; + _ -> false + end. + + +% Met à jour le pseudo du user +update_pseudo_user(UserId, Pseudo) -> + mnesia:transaction( + fun() -> + case mnesia:wread({user, UserId}) of + [User] when User#user.pseudo =/= Pseudo -> + mnesia:write(User#user{pseudo = Pseudo}); + _ -> + mnesia:abort("update_pseudo_user: User inconnu ou pseudo deja à jour") + end + end + ). + + +% Mise à par Cookie les autres peuvent être undefined ce qui veut dire qu'ils ne seront pas modifié. +set_profile(Cookie, Login, Password, Pseudo, Email, Css) -> + resultat_transaction(mnesia:transaction( + fun() -> + case get_user_by_cookie(Cookie) of + {ok, User} -> + case get_user_by_login(Login) of + {ok, U} when U#user.id =/= User#user.id -> + login_deja_pris; + _ -> + User_modifie = User#user{ + login = if is_list(Login) -> Login; true -> User#user.login end, + password = if is_list(Password) -> Password; true -> User#user.password end, + pseudo = if is_list(Pseudo) -> Pseudo; true -> User#user.pseudo end, + email = if is_list(Email) -> Email; true -> User#user.email end, + css = if is_list(Css) -> Css; true -> User#user.css end + }, + mnesia:write(User_modifie), + ok + end; + _ -> erreur + end + end + )). + + +% Met à jour la date de la dernière connexion d'un utilisateur à maintenant +update_date_derniere_connexion(UserId) -> + mnesia:transaction( + fun() -> + case mnesia:wread({user, UserId}) of + [User] -> + mnesia:write(User#user{date_derniere_connexion = now()}); + _ -> + mnesia:abort("update_date_derniere_connexion: User inconnu") + end + end + ). + + +% Ajoute un nouveau user et le renvoie +nouveau_user(Pseudo, Cookie) -> + F = fun() -> + Id = get_nouvel_id(user), + User = #user{id = Id, cookie = Cookie, pseudo = Pseudo, date_creation = now(), date_derniere_connexion = now()}, + mnesia:write(User), + User + end, + resultat_transaction(mnesia:transaction(F)). + + +% Ajoute un nouveau user et le renvoie +nouveau_user(Login, Password, Cookie) -> + F = fun() -> + Id = get_nouvel_id(user), + User = #user{id = Id, cookie = Cookie, pseudo = Login, login = Login, password = Password, date_creation = now(), date_derniere_connexion = now()}, + mnesia:write(User), + User + end, + resultat_transaction(mnesia:transaction(F)). + + +% Ajoute un message. Repond_A est une liste d'id auquel le message répond +% retourne soit l'id du message soit erreur. +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)]))), + % est-ce que l'auteur existe ? + Auteur = case qlc:e(qlc:q([E || E <- mnesia:table(user), E#user.id =:= Auteur_id])) of + [A] -> A; + _ -> throw("L'auteur du message est introuvable") + end, + if Nb_id_trouve =/= length(Repond_A) -> throw("Un ou plusieurs messages introuvable"); + true -> ok + end, + Id = get_nouvel_id(minichat), + % compare les dernière + Delta = delta_date_ms(Auteur#user.date_derniere_connexion, now()), + Nouvel_indice_flood = Auteur#user.indice_flood + if Delta =< ?DUREE_SPAM -> 2; true -> -1 end, + Auteur_maj = Auteur#user{ + indice_flood = if Nouvel_indice_flood > ?INDICE_SPAM_MAX -> ?INDICE_SPAM_MAX; Nouvel_indice_flood < 0 -> 0; true -> Nouvel_indice_flood end, + date_derniere_connexion = now() + }, + % 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 -> + Root = get_root(), + mnesia:write(Auteur#user{indice_flood = Auteur_maj#user.indice_flood}), + mnesia:write(#minichat{id=Id, auteur_id=Root#user.id, date=now(), pseudo=Root#user.pseudo, contenu=Auteur#user.pseudo ++ "(" ++ Auteur#user.login ++ ") est bloqué pour " ++ integer_to_list(trunc(?DUREE_BLOCAGE_SPAM / 1000)) ++ " secondes pour cause de flood.."}), + Id; + Auteur#user.indice_flood =:= ?INDICE_SPAM_MAX, Delta =< ?DUREE_BLOCAGE_SPAM -> + erreur; + true -> + mnesia:write(Auteur_maj), + inserer_reponses(Id, Repond_A), + mnesia:write(#minichat{id=Id, auteur_id=Auteur#user.id, date=now(), pseudo=Auteur#user.pseudo, contenu=Mess}), + Id + end + end, + resultat_transaction(mnesia:transaction(F)). + + +% Retourne la difference entre deux timestamp (erlang:now()) en miliseconde +delta_date_ms(D1, D2) -> + 1000000000 * abs(element(1, D1) - element(1, D2)) + 1000 * abs(element(2, D1) - element(2, D2)) + trunc(abs(element(3, D1) - element(3, D2)) / 1000). + + +% Définit Id_repondant comme étant la réponse à Ids. Ids est une liste d'id. +inserer_reponses(Id_repondant, [Id_mess | Reste]) -> + mnesia:write(#reponse_minichat{repondant = Id_repondant, cible = Id_mess}), + inserer_reponses(Id_repondant, Reste); +inserer_reponses(_, []) -> + ok. + + +% Renvoie un nouvel id pour une table donnée +get_nouvel_id(Table) -> + mnesia:dirty_update_counter(counter, Table, 1). + + +% Renvoie les messages manquants pour la page P en sachant qu'il y a N message +% par page et que le dernier message que l'on possède est Id +messages(Id, N, P) -> + lists:filter(fun (M) -> M#minichat.id > Id end, messages(N, P)). + + +% 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}])])), + if P > 1 -> qlc:next_answers(C, N * (P - 1)); + true -> ok + end, + R = qlc:next_answers(C, N), + qlc:delete_cursor(C), + lists:reverse(R) + end, + resultat_transaction(mnesia:transaction(F)). + + +% Renvoie N messages se trouvant sur la première page +messages(N) -> + messages(N, 1). + + +% Renvoie une liste de message (voir #minichat de euphorik_bd.hrl) à partir d'une liste d'id (Ids). +get_messages_depuis_ids(Ids) -> + 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)]), + io:format("~s~n", [qlc:info(Query)]), + qlc:e(Query) + end + )). + + +% Renvoie le nombre de page total en fonction du nombre de message par page N +% TODO : ya pas un moyen moins pourri pour avoir le nombre de record d'une table ? +get_nb_page(N) -> + resultat_transaction(mnesia:transaction(fun() -> + ceiling(length(qlc:e(qlc:q([E#minichat.id || E <- mnesia:table(minichat)]))) / N) + end)). + + +% Renvoie le numéro de la page sur lequel se trouve le message M en sachant qu'il y a N messages par page. +page(M, N) -> + resultat_transaction(mnesia:transaction(fun() -> + ceiling((length(qlc:e(qlc:q([E || E <- mnesia:table(minichat), E#minichat.id >= M])))) / N) + end)). + + +% Bizarre, cette fonction n'existe pas dans la stdlib. +ceiling(X) -> + T = trunc(X), + case (X - T) of + Neg when Neg < 0 -> T; + Pos when Pos > 0 -> T + 1; + _ -> T + end. + + +% Renvoie tous les users. +users() -> + resultat_transaction(mnesia:transaction(fun() -> + qlc:e(qlc:q([E || E <- mnesia:table(user)])) + end)). + + +% Renvoie les reponses (utilisé normalement uniquement pendant le debug). +reponses() -> + F = fun() -> + qlc:e(qlc:q([E || E <- mnesia:table(reponse_minichat)])) + end, + resultat_transaction(mnesia:transaction(F)). + + +% Renvoie les messages auquel M_id répond. +repond_a(M_id) -> + resultat_transaction(mnesia:transaction( + fun() -> + qlc:e(qlc:q( + [M || E <- mnesia:table(reponse_minichat), + M <- mnesia:table(minichat), + E#reponse_minichat.repondant =:= M_id, + M#minichat.id =:= E#reponse_minichat.cible])) + end + )). + + +% Renvoie le résultat d'une transaction (en décomposant le tuple fournit) +resultat_transaction({_, T}) -> + T. + \ No newline at end of file diff --git a/modules/erl/euphorik_minichat_conversation.erl b/modules/erl/euphorik_minichat_conversation.erl new file mode 100755 index 0000000..42412c6 --- /dev/null +++ b/modules/erl/euphorik_minichat_conversation.erl @@ -0,0 +1,197 @@ +% coding: utf-8 +% Ce module permet la gestion des conversations du minichat d'euphorik. +% Un message (enfant) peut répondre à des messages (ses parents). +% Un message (parent) peut avoir plusieurs réponses (enfants) +% Auteur : G.Burri +% Date : 09.02.2008 + +-module(euphorik_minichat_conversation). + +-include("euphorik_bd.hrl"). +-include_lib("stdlib/include/qlc.hrl"). + +-import(lists, [reverse/1, any/2, map/2, sublist/3, filter/2]). +-import(euphorik_minichat, [resultat_transaction/1]). +-import(qlc, [e/1, q/1, keysort/3]). +-import(mnesia, [table/1, transaction/1]). +-compile(export_all). + + +% Renvoie la liste des cibles d'un message M, c'est à dire des messages auquel M répond. N étant le nombre de message par page et +% P la page à laquelle se limite la recherche. +% Voir 'conversation/2' pour plus de détail sur la structure retournée. +%~ get_liste_cibles(M, N, P) -> + %~ resultat_transaction(mnesia:transaction(fun() -> + %~ Cibles = qlc:e(qlc:q([E#reponse_minichat.cible || E <- mnesia:table(reponse_minichat), E#reponse_minichat.repondant =:= M])), + %~ lists:foldl( + %~ fun(E, A) -> + %~ PageE = page(E, N), + %~ if PageE =:= P -> % si E fait partit de la page de l'élément de base alors on le prend + %~ [{E, get_liste_cibles(E, N, P)}| A]; + %~ true -> + %~ A + %~ end + %~ end, [], Cibles) + %~ end)). + +tester(Racines, N, D, P) -> + io:format("~w~n", [conversations(Racines, N, D, P)]). + + +% Crée un process représentant le minichat, renvoie un tuple {Pid, Conversations} +start(Racines, N, D, P) -> + {mise_en_forme_conversations(loop(conversations(Racines, N, D, P))), conversations(Racines, N, D, P)}. + +% Attend pour d'autres messages. +wait(Pid) -> + Pid ! {wait, self()}, + receive + {nouveau, Message} -> Message + end. + + + +% Mise en forme des conversations pour l'utilisateur du module. +mise_en_forme_conversations([]) -> []; +mise_en_forme_conversations([Principale | Conversations]) -> + [mise_en_forme_conversation(Principale), lists:map(fun({_, Cn, _}) -> mise_en_forme_conversation(Cn) end, Conversations)]. + +% Mise en forme d'une liste d'id de message : [4, 5, 8, ...]. +mise_en_forme_conversation(Messages) -> + lists:map(fun(M) -> {euphorik_minichat:get_messages_depuis_ids(), get_parents(M)} end, Messages). + + +loop(Conversations) -> + receive + {wait, Pid} -> + Pid ! {nouveau, attends_nouveaux_messages()} + end, + loop(Conversations). + + +% Renvoie une liste de conversations, le première élément correspond à la conversation principale. +% Les autres éléments sont des tuples {C, Cn, X}, voir conversation/4 pour plus d'infos. +% Racines est une liste de tuple {Id, P} des racines des conversations ou P est la page et Id l'id du message. +conversations(Racines, N, D, P) -> + Conversations = map(fun({Racine, P_conv}) -> conversation(Racine, N, D, P_conv) end, Racines), + Conversation_principale = resultat_transaction(transaction(fun() -> + Curseur = qlc:cursor(q([E#minichat.id || E <- qlc:sort(table(minichat), [{order, descending}])])), + CP2 = get_conversation_principale(Curseur, Conversations, N, P), + qlc:delete_cursor(Curseur), + CP2 + end)), + [reverse(Conversation_principale) | Conversations]. + + +% Construit la conversation principale en fonction d'un curseur C initialement placé sur le dernier message +% et la liste de conversations. +% N est le nombre de messages que l'on souhaite. +% P est le numéro de la page (1, 2, 3...) +get_conversation_principale(C, Conversations, N, P) -> + get_conversation_principale2(C, lists:flatten(map(fun({C2, _, X}) -> C2 -- X end, Conversations)), N, (P - 1) * N). +% C est le curseur (voir ci dessus) +% 'Messages' sont les messages que l'on doit enlever de la conversation +% S est le nombre de messages qu'il faut sauter +get_conversation_principale2(_, _, 0, _) -> + []; +get_conversation_principale2(C, Messages, N, S) -> + case qlc:next_answers(C, 1) of + [] -> []; + [M] -> % traitement message par message (pas des plus performant :/) + %io:format("M: ~p~n", [M]), + Doit_etre_saute = lists:any(fun(E) -> E == M end, Messages), + if Doit_etre_saute -> + get_conversation_principale2(C, Messages, N, S); % le message ne fait pas partie de la conversation + S =:= 0 -> + [M | get_conversation_principale2(C, Messages, N - 1, S)]; % ok : le message fait partie de la conversation + true -> + get_conversation_principale2(C, Messages, N, S - 1) % on n'a pas encore atteint le début de la page + end + end. + + +% Renvoie un tuple {C, Cn, X} où +% C : La conversation complète +% Cn : La conversation tronqué en fonction de N, D et P +% X : La liste des messages répondant à des mess qui ne font pas partie de la conversation +% Inputs : +% R : l'id d'un message représentant la racine de la conversation +% N : le nombre de message par page +% D : Le dernier message connu 0 si aucun de connu +% P : La page désirée +conversation(R, N, D, P) -> + {C, X} = conversation([], [R], []), + {reverse(C), reverse(filter(fun(E) -> E > D end, sublist(C, N*(P-1)+1, N))), reverse(X)}. + + +% Renvoie un tuple {C, X} où C est la conversation complète et X les messages répondant à des mess qui ne font pas partie de la conversation +% Attention : les messages de C et de X sont ordrés du plus grand Id au plus petit +conversation(Messages, [M | Reste], X) -> + Est_deja_traite = any(fun(E) -> E =:= M end, Messages), + if Est_deja_traite -> + conversation(Messages, Reste, X); + true -> + Enfants = get_enfants(M), + Parents = get_parents(M), + % un message est dit exiterne si un de ses parent ne fait pas partie de la conversation ou si un de ses parents fait partie de X + Est_message_externe = Parents -- Messages =/= [] orelse intersection(Parents, X) =/= [], + conversation([M | Messages], Reste ++ Enfants, if Est_message_externe -> [M | X]; true -> X end) + end; +conversation(Messages, [], X) -> + {Messages, X}. + + +% Renvoie les enfants d'un message M (les messages qui répondent à M) +% ordrés du plus petit au plus grand. +get_enfants(M) -> + resultat_transaction(transaction(fun() -> + e(q([E#reponse_minichat.repondant || E <- qlc:sort(table(reponse_minichat), [{order, ascending}]), E#reponse_minichat.cible =:= M])) + end)). + + +% Renvoie les parents d'un message M (les messages auquels répond M) +% ordrés du plus petit au plus grand. +get_parents(M) -> + resultat_transaction(transaction(fun() -> + e(q([E#reponse_minichat.cible || E <- keysort(1, table(reponse_minichat), [{order, ascending}]), E#reponse_minichat.repondant =:= M])) + end)). + + +% Intersection entre deux listes : [1, 3, 4] n [2, 4, 7] = [4] +intersection(L1, L2) -> + lists:filter(fun(X) -> lists:member(X, L1) end, L2). + + +% Attend qu'au moins un nouveau message arrive, function bloquante. +% Renvoie un tuple {C, M} où C est une liste de numéro de conversation auquel appartient M et M l'Id du nouveau message +attends_nouveaux_messages() -> + case mnesia:subscribe({table, minichat, simple}) of + {error, _} = E -> E; + _ -> + %{ok, F} = file:open("/tmp/log_euphorik_" ++ pid_to_list(self()) ++ ".txt", [write]), + %io:format(F, "Test2~n", []), + attends_nouveaux_messages2() + end. +attends_nouveaux_messages2() -> + %io:format(F, "En attente d'un message !~n", []), + receive % attente d'un post + {mnesia_table_event, {write, _, _}} -> + mnesia:unsubscribe({table, minichat, simple}); + %io:format(F, "Debloquage !~n", []), + %file:close(F); + %~ {tcp_closed, _} -> + %~ mnesia:unsubscribe({table, minichat, simple}); + _ -> + %io:format(F, "~p~n", [M]), + attends_nouveaux_messages2() + % 60 minutes de timeout (le cas ou il n'y a que des consultations et jamais de post) + % Après 60 minutes de connexion, le client doit donc reétablir une connexion + % TODO : pour être mieux : quand le socket se ferme alors un message devrait être envoyé et débloquer ce receive (demande en cours sur la mailing list de yaws) + after 1000 * 60 * 60 -> + mnesia:unsubscribe({table, minichat, simple}) + end. + + + + + \ No newline at end of file diff --git a/modules/erl/euphorik_protocole.erl b/modules/erl/euphorik_protocole.erl index 66555e0..7b9423a 100755 --- a/modules/erl/euphorik_protocole.erl +++ b/modules/erl/euphorik_protocole.erl @@ -39,7 +39,7 @@ nouveau_user_captcha(Action) -> C2_crypt = common:crypt(C2), if C1 =:= C2_crypt -> Cookie = generer_cookie(), - User = minichat:nouveau_user("Paul", Cookie), + User = euphorik_minichat:nouveau_user("Paul", Cookie), xml_reponse_login_ok(User); true -> xml_reponse_login_pas_ok("Captcha incorrect") @@ -52,7 +52,7 @@ nouveau_user_captcha(Action) -> nouveau_user_login(Action) -> {Login, Password, Login_deja_pris} = case {xmerl_xpath:string("login", Action), xmerl_xpath:string("password", Action)} of {[#xmlElement{content = [#xmlText{value = L}]}], [#xmlElement{content = [#xmlText{value = P}]}]} -> - {L, P, case minichat:get_user_by_login(L) of {ok, _} -> true; _ -> false end}; + {L, P, case euphorik_minichat:get_user_by_login(L) of {ok, _} -> true; _ -> false end}; _ -> {[], [], false} end, simple_xml_to_string( @@ -60,7 +60,7 @@ nouveau_user_login(Action) -> xml_reponse_login_pas_ok("Login déjà pris"); true -> Cookie = generer_cookie(), - User = minichat:nouveau_user(Login, Password, Cookie), + User = euphorik_minichat:nouveau_user(Login, Password, Cookie), xml_reponse_login_ok(User) end ). @@ -70,17 +70,17 @@ nouveau_user_login(Action) -> login(Action) -> case xmerl_xpath:string("cookie", Action) of [#xmlElement{content = [#xmlText{value = Cookie}]}] -> - loginUser(minichat:get_user_by_cookie(Cookie)); + loginUser(euphorik_minichat:get_user_by_cookie(Cookie)); _ -> case {xmerl_xpath:string("login", Action), xmerl_xpath:string("password", Action)} of {[#xmlElement{content = [#xmlText{value = Login}]}], [#xmlElement{content = [#xmlText{value = Password}]}]} -> - loginUser(minichat:get_user_by_login_password(Login, Password)); + loginUser(euphorik_minichat:get_user_by_login_password(Login, Password)); _ -> simple_xml_to_string(xml_reponse_login_pas_ok("XML malformé")) end end. loginUser({ok, User}) -> - minichat:update_date_derniere_connexion(User#user.id), + euphorik_minichat:update_date_derniere_connexion(User#user.id), simple_xml_to_string(xml_reponse_login_ok(User)); loginUser(_) -> simple_xml_to_string(xml_reponse_login_pas_ok("Erreur de login")). @@ -108,7 +108,7 @@ profile(Action) -> Pseudo = case xmerl_xpath:string("pseudo", Action) of [#xmlElement{content = [#xmlText{value = P2}]}] -> P2; _ -> Login end, Email = case xmerl_xpath:string("email", Action) of [#xmlElement{content = [#xmlText{value = E}]}] -> E; _ -> undefined end, Css = case xmerl_xpath:string("css", Action) of [#xmlElement{content = [#xmlText{value = C}]}] -> C; _ -> undefined end, - case minichat:set_profile(Cookie, Login, Password, Pseudo, Email, Css) of + case euphorik_minichat:set_profile(Cookie, Login, Password, Pseudo, Email, Css) of ok -> xml_reponse_profile_ok(); login_deja_pris -> @@ -141,7 +141,7 @@ refreshMessage(Action) -> end, User = case xmerl_xpath:string("cookie", Action) of [#xmlElement{content = [#xmlText{value = Cookie}]}] -> - case minichat:get_user_by_cookie(Cookie) of + case euphorik_minichat:get_user_by_cookie(Cookie) of {ok, U} -> U; _ -> inconnu end; @@ -151,10 +151,10 @@ refreshMessage(Action) -> Mess = lists:map( fun(Mess) -> Est_proprietaire = User =/= inconnu andalso User#user.id =:= Mess#minichat.auteur_id, - A_repondu_a_message = User =/= inconnu andalso minichat:a_repondu_a_message(User#user.id, Mess#minichat.id), - Est_une_reponse_a_user = User =/= inconnu andalso minichat:est_une_reponse_a_user(User#user.id, Mess#minichat.id), + A_repondu_a_message = User =/= inconnu andalso euphorik_minichat:a_repondu_a_message(User#user.id, Mess#minichat.id), + Est_une_reponse_a_user = User =/= inconnu andalso euphorik_minichat:est_une_reponse_a_user(User#user.id, Mess#minichat.id), User_mess = if Mess#minichat.auteur_id =:= 0 -> inconnu; true -> - {ok, U2} = minichat:get_user_by_id(Mess#minichat.auteur_id), + {ok, U2} = euphorik_minichat:get_user_by_id(Mess#minichat.auteur_id), U2 end, {message, [{id, erlang:integer_to_list(Mess#minichat.id, 36)}], @@ -175,7 +175,7 @@ refreshMessage(Action) -> ), [{reponse, [{name, "refreshMessages"}], % la fonction get_nb_page DOIT être évalué après get_dernieres_messages (merci les effets de bord) - [{nbPage, [], [integer_to_list(minichat:get_nb_page(Nb_message))]} | Mess] + [{nbPage, [], [integer_to_list(euphorik_minichat:get_nb_page(Nb_message))]} | Mess] }]; _ -> [{reponse, [{name, "refreshMessages"}], [{erreur, [], ["erreur"]}]}] @@ -183,12 +183,12 @@ refreshMessage(Action) -> ). -% Renvoie les dernies messages, s'il n'y en a pas on effectue une attente. +% Renvoie les derniers messages, s'il n'y en a pas on effectue une attente. get_dernieres_messages(Dernier_id, Nb_message, Page) -> - Messages = minichat:messages(Dernier_id, Nb_message, Page), + Messages = euphorik_minichat:messages(Dernier_id, Nb_message, Page), if Messages =:= [] -> - minichat:attends_nouveau_messages(), - minichat:messages(Dernier_id, Nb_message, Page); + euphorik_minichat:attends_nouveau_messages(), + euphorik_minichat:messages(Dernier_id, Nb_message, Page); true -> Messages end. @@ -212,12 +212,12 @@ message(Action) -> [#xmlElement{content = Pseudo_fragments}], [#xmlElement{content = Contenu_fragments}] } -> - case minichat:get_user_by_cookie(Cookie) of + case euphorik_minichat:get_user_by_cookie(Cookie) of {ok, U} -> Pseudo = defragmenter(Pseudo_fragments), Contenu = defragmenter(Contenu_fragments), % met à jour le pseudo du user - minichat:update_pseudo_user(U#user.id, Pseudo), + euphorik_minichat:update_pseudo_user(U#user.id, Pseudo), Reponses = case xmerl_xpath:string("reponses", Action) of [#xmlElement{content = C}] -> lists:map( @@ -231,7 +231,7 @@ message(Action) -> Contenu_strip = string:strip(Contenu), if Contenu_strip =:= [] -> xml_reponse_message(pas_ok); true -> - case minichat:nouveau_message(Contenu, U#user.id, Reponses) of + case euphorik_minichat:nouveau_message(Contenu, U#user.id, Reponses) of erreur -> xml_reponse_message(pas_ok); _ -> xml_reponse_message(ok) end @@ -330,10 +330,10 @@ xml_reponse_profile_pas_ok(Message) -> xml_repond_a(Mess_id) -> lists:map( fun(M) -> - {ok, User} = minichat:get_user_by_id(M#minichat.auteur_id), + {ok, User} = euphorik_minichat:get_user_by_id(M#minichat.auteur_id), {id, [{id, erlang:integer_to_list(M#minichat.id, 36)}, {pseudo, M#minichat.pseudo}, {login, User#user.login}], []} end, - minichat:repond_a(Mess_id) + euphorik_minichat:repond_a(Mess_id) ). diff --git a/sessions/doc b/sessions/doc new file mode 100755 index 0000000..a6fb588 --- /dev/null +++ b/sessions/doc @@ -0,0 +1,2 @@ + /media/DATA2/Prog/projets/euphorik/doc/protocole2.txt + /media/DATA2/Prog/projets/euphorik/doc/TODO.txt diff --git a/sessions/erl b/sessions/erl new file mode 100755 index 0000000..a1768e7 --- /dev/null +++ b/sessions/erl @@ -0,0 +1,8 @@ + /media/DATA2/Prog/projets/euphorik/modules/erl/euphorik_bd.erl + /media/DATA2/Prog/projets/euphorik/modules/erl/euphorik_format.erl + /media/DATA2/Prog/projets/euphorik/modules/erl/euphorik_protocole.erl + /media/DATA2/Prog/projets/euphorik/modules/erl/euphorik_requests.erl + /media/DATA2/Prog/projets/euphorik/modules/erl/euphorik_minichat.erl + /media/DATA2/Prog/projets/euphorik/modules/include/euphorik_bd.hrl + /media/DATA2/Prog/projets/euphorik/modules/include/euphorik_defines.hrl + /media/DATA2/Prog/projets/euphorik/modules/erl/euphorik_minichat_conversation.erl diff --git a/sessions/js b/sessions/js new file mode 100755 index 0000000..717dd78 --- /dev/null +++ b/sessions/js @@ -0,0 +1,4 @@ + /media/DATA2/Prog/projets/euphorik/js/euphorik.js + /media/DATA2/Prog/projets/euphorik/js/pageMinichat.js + /media/DATA2/Prog/projets/euphorik/js/pageProfile.js + /media/DATA2/Prog/projets/euphorik/js/pageRegister.js -- 2.43.0