void Voting::valid_motion(const Vote &vote)
{
const auto &cfg(vote.get_cfg());
const auto &user(vote.get_user());
const auto &chan(vote.get_chan());
valid_limits(vote,chan,user);
if(!speaker(cfg,chan,user))
throw Exception("You are not able to create votes on this channel.");
if(!enfranchised(cfg,chan,user))
throw Exception("You are not yet enfranchised in this channel.");
if(!qualified(cfg,chan,user))
throw Exception("You have not been participating enough to start a vote.");
const auto now(time(nullptr));
if(cfg.has("limit.motion"))
{
const auto limit(secs_cast(cfg["limit.motion"]));
const Vdb::Terms query
{
Vdb::Term { "ended", ">=", lex_cast(now - limit) },
Vdb::Term { "issue", "==", vote.get_issue() },
Vdb::Term { "type", "==", vote.get_type() },
Vdb::Term { "chan", "==", chan.get_name() },
};
if(!vdb.query(query,1).empty())
throw Exception("This vote was made within the last ") << secs_cast(limit) << ". Try again later.";
}
const Adoc reasons(cfg.get_child("limit.reason",Adoc{}));
reasons.for_each([this,&chan,&vote,&now]
(const std::string &reason, const std::string &limit_str)
{
if(reason.size() > 64 || !isalpha(reason))
throw Exception("Malformed reason key given in limit.reason");
const auto limit(secs_cast(limit_str));
const Vdb::Terms query
{
Vdb::Term { "reason", "==", reason },
Vdb::Term { "ended", ">=", lex_cast(now - limit) },
Vdb::Term { "issue", "==", vote.get_issue() },
Vdb::Term { "type", "==", vote.get_type() },
Vdb::Term { "chan", "==", chan.get_name() },
};
if(!vdb.query(query,1).empty())
throw Exception("This vote failed with the reason '") << reason << "' within the last " << secs_cast(limit) << ". Try again later.";
});
}
void Voting::cancel(Vote &vote,
const Chan &chan,
const User &user)
{
if(user.get_acct() != vote.get_user_acct())
throw Exception() << "You can't cancel a vote by " << vote.get_user_acct() << ".";
if(vote.total() > 1)
throw Exception("You can't cancel after someone else has voted.");
const auto &cfg(vote.get_cfg());
if(!cfg.get("cancel",true))
throw Exception("You can't cancel votes of this type.");
vote.cancel();
del(vote.get_id());
}
void Voting::valid_limits(const Vote &vote,
const Chan &chan,
const User &user)
{
using limits = std::numeric_limits<uint8_t>;
if(user.is_myself() || chan.users.mode(user).has('o'))
return;
const auto &cfg(vote.get_cfg());
if(count(chan) > cfg.get<uint8_t>("limit.active",limits::max()))
throw Exception("Too many active votes for this channel.");
if(count(chan,user) > cfg.get<uint8_t>("limit.user",limits::max()))
throw Exception("Too many active votes started by you on this channel.");
valid_limits_type(vote,chan,user,cfg);
}
