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Improve Client.sweepMessages

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Schuyler Cebulskie
2016-09-20 10:57:39 -04:00
parent 6075ec0e19
commit e5bac1339d
2 changed files with 21 additions and 9 deletions
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2
docs/docs.json
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28
src/client/Client.js
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@@ -250,25 +250,37 @@ class Client extends EventEmitter {
/** /**
* Sweeps all channels' messages and removes the ones older than the max message lifetime. * Sweeps all channels' messages and removes the ones older than the max message lifetime.
* If the message has been edited, the time of the edit is used rather than the time of the original message. * If the message has been edited, the time of the edit is used rather than the time of the original message.
* @param {number} [lifetime=this.options.message_cache_lifetime] Messages that are older than this (in seconds)
* will be removed from the caches. The default is based on the client's `message_cache_lifetime` option.
* @returns {number} Amount of messages that were removed from the caches, * @returns {number} Amount of messages that were removed from the caches,
* or -1 if the message cache lifetime is unlimited * or -1 if the message cache lifetime is unlimited
*/ */
sweepMessages() { sweepMessages(lifetime = this.options.message_cache_lifetime) {
if (this.options.message_cache_lifetime <= 0) return -1; if (typeof lifetime !== 'number' || isNaN(lifetime)) throw new TypeError('Lifetime must be a number.');
if (lifetime <= 0) {
this.emit('debug', 'Didn\'t sweep messages - lifetime is unlimited');
return -1;
}
const lifetimeMs = lifetime * 1000;
const now = Date.now(); const now = Date.now();
const lifetime = this.options.message_cache_lifetime * 1000; let channels = 0;
let swept = 0; let messages = 0;
for (const channel of this.channels.values()) { for (const channel of this.channels.values()) {
if (!channel.messages) continue; if (!channel.messages) continue;
channels++;
for (const message of channel.messages.values()) { for (const message of channel.messages.values()) {
if (now - (message._editedTimestamp || message._timestamp) > lifetime) { if (now - (message._editedTimestamp || message._timestamp) > lifetimeMs) {
channel.messages.delete(message.id); channel.messages.delete(message.id);
swept++; messages++;
} }
} }
} }
this.emit('debug', `Swept ${swept} messages older than ${this.options.message_cache_lifetime} seconds`);
return swept; this.emit('debug', `Swept ${messages} messages older than ${lifetime} seconds in ${channels} text-based channels`);
return messages;
} }
setTimeout(fn, ...params) { setTimeout(fn, ...params) {