diff options
Diffstat (limited to 'client')
| -rw-r--r-- | client/client.erl | 72 |
1 files changed, 50 insertions, 22 deletions
diff --git a/client/client.erl b/client/client.erl index 67be4ee..aab0b4e 100644 --- a/client/client.erl +++ b/client/client.erl @@ -1,5 +1,5 @@ -module(client). --export([register/3, login/3, list/0, handle/2]). +-export([register/3, login/3, list/0, handle/2, getVotes/0, vote/2, devote/2]). contains([], _) -> false; @@ -67,6 +67,33 @@ handle(list, Server) -> {Msg, Server} end; +handle(get_votes, Server) -> + Server ! get_votes, + receive + {ok, Msg} -> + {Msg, Server}; + Msg -> + {Msg, Server} + end; + +handle({vote, Artist, Title}, Server) -> + Server ! {vote, Artist, Title}, + receive + {ok, Msg} -> + {Msg, Server}; + Msg -> + {Msg, Server} + end; + +handle({devote, Artist, Title}, Server) -> + Server ! {vote, Artist, Title}, + receive + {ok, Msg} -> + {Msg, Server}; + Msg -> + {Msg, Server} + end; + handle({change_state, NewState}, _) -> {{ok}, NewState}; @@ -74,31 +101,32 @@ handle(Cmd, Server) -> {{error, {unknown_command, Cmd}}, Server}. %queries the server for the current votes this client possesses -getVotes(Server) -> - rpc(Server, getVotes, self()), - receive - Msg -> - Msg - end. +getVotes() -> + try checkLogin(true) of + _ -> + server:rpc(cli, get_votes) + catch + {error, login_state} -> + {error, not_logged_in} + end. %positive vote, increments the votes for {Artist, Title} by one vote(Artist, Title) -> - rpc(Server, vote, [Artist, Title]), - receive - {_, ok, Msg} -> - Msg; - {_, error, Msg} -> - {error, Msg} - end. + try checkLogin(true) of + _ -> + server:rpc(cli, {vote, Artist, Title}) + catch + {error, login_state} -> + {error, not_logged_in} + end. %negative vote, decrements the votes for {Artist, Title} by one devote(Artist, Title) -> - rpc(Server, devote, [Artist, Title]), - receive - {_, ok, Msg} -> - Msg; - {_, error, Msg} -> - {error, Msg} - end. - + try checkLogin(true) of + _ -> + server:rpc(cli, {devote, Artist, Title}) + catch + {error, login_state} -> + {error, not_logged_in} + end. |