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use std::collections::HashMap;
use std::default::Default;
use time;
#[doc(hidden)]
pub struct Ratelimit {
pub delay: i64,
pub limit: Option<(i64, i32)>,
}
#[doc(hidden)]
pub struct MemberRatelimit {
pub count: i32,
pub last_time: i64,
pub set_time: i64,
}
impl Default for MemberRatelimit {
fn default() -> Self {
MemberRatelimit {
count: 0,
last_time: 0,
set_time: 0,
}
}
}
#[doc(hidden)]
pub struct Bucket {
pub ratelimit: Ratelimit,
pub limits: HashMap<u64, MemberRatelimit>,
}
impl Bucket {
pub fn take(&mut self, user_id: u64) -> i64 {
let time =- time::get_time().sec;
let member = self.limits.entry(user_id)
.or_insert_with(MemberRatelimit::default);
if let Some((timespan, limit)) = self.ratelimit.limit {
if (member.count + 1) > limit {
if time < (member.set_time + timespan) {
return (member.set_time + timespan) - time;
} else {
member.count = 0;
member.set_time = time;
}
}
}
if time < member.last_time + self.ratelimit.delay {
(member.last_time + self.ratelimit.delay) - time
} else {
member.count += 1;
member.last_time = time;
0
}
}
}
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