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|
%% Copyrigh 2006, Process-one
%% This module is intended to take into account relational databases behaviour
%% differences
-module(odbc_queries).
-author("mickael.remond@process-one.net").
-export([get_db_type/0,
sql_transaction/2,
get_last/2,
set_last_t/4,
del_last/2,
get_password/2,
set_password_t/3,
add_user/3,
del_user/2,
del_user_return_password/3,
list_users/1,
add_spool_sql/2,
add_spool/2,
get_and_del_spool_msg_t/2,
del_spool_msg/2,
get_roster/2,
get_roster_jid_groups/2,
get_roster_groups/3,
del_user_roster_t/2,
get_roster_by_jid/3,
get_rostergroup_by_jid/3,
del_roster/3,
del_roster_sql/2,
update_roster/5,
update_roster_sql/4,
roster_subscribe/4,
get_subscription/3,
escape/1]).
%-define(generic, true).
%-define(mssql, true).
%% -----------------
%% Generic queries
-ifdef(generic).
get_db_type() ->
generic.
sql_transaction(LServer, F) ->
ejabberd_odbc:sql_transaction(LServer, F).
get_last(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["select seconds, state from last "
"where username='", Username, "'"]).
set_last_t(LServer, Username, Seconds, State) ->
%% MREMOND: I think this should be turn into a non transactional behaviour
ejabberd_odbc:sql_transaction(
LServer,
[["delete from last where username='", Username, "';"],
["insert into last(username, seconds, state) "
"values ('", Username, "', '", Seconds, "', '", State, "');"]]).
del_last(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["delete from last where username='", Username, "'"]).
get_password(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["select password from users "
"where username='", Username, "';"]).
set_password_t(LServer, Username, Pass) ->
ejabberd_odbc:sql_transaction(
LServer,
[["delete from users where username='", Username ,"';"],
["insert into users(username, password) "
"values ('", Username, "', '", Pass, "');"]]).
add_user(LServer, Username, Pass) ->
ejabberd_odbc:sql_query(
LServer,
["insert into users(username, password) "
"values ('", Username, "', '", Pass, "');"]).
del_user(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["delete from users where username='", Username ,"';"]).
del_user_return_password(_LServer, Username, Pass) ->
ejabberd_odbc:sql_query_t(
["select password from users where username='",
Username, "';"]),
ejabberd_odbc:sql_query_t(["delete from users "
"where username='", Username,
"' and password='", Pass, "';"]).
list_users(LServer) ->
ejabberd_odbc:sql_query(
LServer,
"select username from users").
add_spool_sql(Username, XML) ->
["insert into spool(username, xml) "
"values ('", Username, "', '",
XML,
"');"].
add_spool(LServer, Queries) ->
ejabberd_odbc:sql_transaction(
LServer, Queries).
get_and_del_spool_msg_t(LServer, Username) ->
F = fun() ->
Result = ejabberd_odbc:sql_query_t(
["select username, xml from spool where username='", Username, "'"
" order by seq;"]),
ejabberd_odbc:sql_query_t(
["delete from spool where username='", Username, "';"]),
Result
end,
ejabberd_odbc:sql_transaction(LServer,F).
del_spool_msg(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["delete from spool where username='", Username, "';"]).
get_roster(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["select username, jid, nick, subscription, ask, "
"askmessage, server, subscribe, type from rosterusers "
"where username='", Username, "'"]).
get_roster_jid_groups(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["select jid, grp from rostergroups "
"where username='", Username, "'"]).
get_roster_groups(_LServer, Username, SJID) ->
ejabberd_odbc:sql_query_t(
["select grp from rostergroups "
"where username='", Username, "' "
"and jid='", SJID, "';"]).
del_user_roster_t(LServer, Username) ->
ejabberd_odbc:sql_transaction(
LServer,
fun() ->
ejabberd_odbc:sql_query_t(
["delete from rosterusers "
" where username='", Username, "';"]),
ejabberd_odbc:sql_query_t(
["delete from rostergroups "
" where username='", Username, "';"])
end).
get_roster_by_jid(_LServer, Username, SJID) ->
ejabberd_odbc:sql_query_t(
["select username, jid, nick, subscription, "
"ask, askmessage, server, subscribe, type from rosterusers "
"where username='", Username, "' "
"and jid='", SJID, "';"]).
get_rostergroup_by_jid(LServer, Username, SJID) ->
ejabberd_odbc:sql_query(
LServer,
["select grp from rostergroups "
"where username='", Username, "' "
"and jid='", SJID, "'"]).
del_roster(_LServer, Username, SJID) ->
ejabberd_odbc:sql_query_t(
["delete from rosterusers "
" where username='", Username, "' "
" and jid='", SJID, "';"]),
ejabberd_odbc:sql_query_t(
["delete from rostergroups "
" where username='", Username, "' "
" and jid='", SJID, "';"]).
del_roster_sql(Username, SJID) ->
[["delete from rosterusers "
" where username='", Username, "' "
" and jid='", SJID, "';"],
["delete from rostergroups "
" where username='", Username, "' "
" and jid='", SJID, "';"]].
update_roster(_LServer, Username, SJID, ItemVals, ItemGroups) ->
ejabberd_odbc:sql_query_t(
["delete from rosterusers "
" where username='", Username, "' "
" and jid='", SJID, "';"]),
ejabberd_odbc:sql_query_t(
["insert into rosterusers("
" username, jid, nick, "
" subscription, ask, askmessage, "
" server, subscribe, type) "
" values (", ItemVals, ");"]),
ejabberd_odbc:sql_query_t(
["delete from rostergroups "
" where username='", Username, "' "
" and jid='", SJID, "';"]),
lists:foreach(fun(ItemGroup) ->
ejabberd_odbc:sql_query_t(
["insert into rostergroups("
" username, jid, grp) "
" values (", ItemGroup, ");"])
end,
ItemGroups).
update_roster_sql(Username, SJID, ItemVals, ItemGroups) ->
[["delete from rosterusers "
" where username='", Username, "' "
" and jid='", SJID, "';"],
["insert into rosterusers("
" username, jid, nick, "
" subscription, ask, askmessage"
" server, subscribe, type) "
" values (", ItemVals, ");"],
["delete from rostergroups "
" where username='", Username, "' "
" and jid='", SJID, "';"],
[["insert into rostergroups("
" username, jid, grp) "
" values (", ItemGroup, ");"] ||
ItemGroup <- ItemGroups]].
roster_subscribe(_LServer, Username, SJID, ItemVals) ->
ejabberd_odbc:sql_query_t(
["delete from rosterusers "
" where username='", Username, "' "
" and jid='", SJID, "';"]),
ejabberd_odbc:sql_query_t(
["insert into rosterusers("
" username, jid, nick, "
" subscription, ask, askmessage, "
" server, subscribe, type) "
" values (", ItemVals, ");"]).
get_subscription(LServer, Username, SJID) ->
ejabberd_odbc:sql_query(
LServer,
["select subscription from rosterusers "
"where username='", Username, "' "
"and jid='", SJID, "'"]).
%% Characters to escape
escape($\0) -> "\\0";
escape($\n) -> "\\n";
escape($\t) -> "\\t";
escape($\b) -> "\\b";
escape($\r) -> "\\r";
escape($') -> "\\'";
escape($") -> "\\\"";
escape($\\) -> "\\\\";
escape(C) -> C.
-endif.
%% -----------------
%% MSSQL queries
-ifdef(mssql).
get_db_type() ->
mssql.
sql_transaction(_LServer, F) ->
{atomic, catch F()}.
get_last(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_last '", Username, "'"]).
set_last_t(LServer, Username, Seconds, State) ->
Result = ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.set_last '", Username, "', '", Seconds,
"', '", State, "'"]),
{atomic, Result}.
del_last(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.del_last '", Username, "'"]).
get_password(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_password '", Username, "'"]).
set_password_t(LServer, Username, Pass) ->
Result = ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.set_password '", Username, "', '", Pass, "'"]),
{atomic, Result}.
add_user(LServer, Username, Pass) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.add_user '", Username, "', '", Pass, "'"]).
del_user(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.del_user '", Username ,"'"]).
del_user_return_password(LServer, Username, Pass) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.del_user_return_password '", Username, "'"]),
Pass.
list_users(LServer) ->
ejabberd_odbc:sql_query(
LServer,
"EXECUTE dbo.list_users").
add_spool_sql(Username, XML) ->
["EXECUTE dbo.add_spool '", Username, "' , '",XML,"'"].
add_spool(LServer, Queries) ->
lists:foreach(fun(Query) ->
ejabberd_odbc:sql_query(LServer, Query)
end,
Queries).
get_and_del_spool_msg_t(LServer, Username) ->
[Result] = case ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_and_del_spool_msg '", Username, "'"]) of
Rs when list(Rs) ->
lists:filter(fun({selected, _Header, _Row}) ->
true;
({updated, _N}) ->
false
end,
Rs);
Rs -> [Rs]
end,
{atomic, Result}.
del_spool_msg(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.del_spool_msg '", Username, "'"]).
get_roster(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_roster '", Username, "'"]).
get_roster_jid_groups(LServer, Username) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_roster_jid_groups '", Username, "'"]).
get_roster_groups(LServer, Username, SJID) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_roster_groups '", Username, "' , '", SJID, "'"]).
del_user_roster_t(LServer, Username) ->
Result = ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.del_user_roster '", Username, "'"]),
{atomic, Result}.
get_roster_by_jid(LServer, Username, SJID) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_roster_by_jid '", Username, "' , '", SJID, "'"]).
get_rostergroup_by_jid(LServer, Username, SJID) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_rostergroup_by_jid '", Username, "' , '", SJID, "'"]).
del_roster(LServer, Username, SJID) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.del_roster '", Username, "', '", SJID, "'"]).
del_roster_sql(Username, SJID) ->
["EXECUTE dbo.del_roster '", Username, "', '", SJID, "'"].
update_roster(LServer, Username, SJID, ItemVals, ItemGroups) ->
Query1 = ["EXECUTE dbo.del_roster '", Username, "', '", SJID, "' "],
ejabberd_odbc:sql_query(LServer, lists:flatten(Query1)),
Query2 = ["EXECUTE dbo.add_roster_user ", ItemVals],
ejabberd_odbc:sql_query(LServer, lists:flatten(Query2)),
Query3 = ["EXECUTE dbo.del_roster_groups '", Username, "', '", SJID, "' "],
ejabberd_odbc:sql_query(LServer, lists:flatten(Query3)),
lists:foreach(fun(ItemGroup) ->
Query = ["EXECUTE dbo.add_roster_group ",
ItemGroup],
ejabberd_odbc:sql_query(LServer,
lists:flatten(Query))
end,
ItemGroups).
update_roster_sql(Username, SJID, ItemVals, ItemGroups) ->
["BEGIN TRANSACTION ",
"EXECUTE dbo.del_roster_groups '", Username, "','", SJID, "' ",
"EXECUTE dbo.add_roster_user ", ItemVals, " "] ++
[lists:flatten("EXECUTE dbo.add_roster_group ", ItemGroup, " ")
|| ItemGroup <- ItemGroups] ++
["COMMIT"].
roster_subscribe(LServer, _Username, _SJID, ItemVals) ->
catch ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.add_roster_user ", ItemVals]).
get_subscription(LServer, Username, SJID) ->
ejabberd_odbc:sql_query(
LServer,
["EXECUTE dbo.get_subscription '", Username, "' , '", SJID, "'"]).
%% Characters to escape
escape($\0) -> "\\0";
escape($\t) -> "\\t";
escape($\b) -> "\\b";
escape($\r) -> "\\r";
escape($') -> "\''";
escape($") -> "\\\"";
escape(C) -> C.
-endif.
|
