mirror of https://github.com/zulip/zulip.git
72 lines
1.9 KiB
JavaScript
72 lines
1.9 KiB
JavaScript
var Dict = require('./dict').Dict;
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var pm_conversations = (function () {
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var exports = {};
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var partners = new Dict();
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exports.set_partner = function (user_id) {
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partners.set(user_id, true);
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};
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exports.is_partner = function (user_id) {
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return partners.get(user_id) || false;
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};
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exports.recent = (function () {
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var self = {};
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var recent_timestamps = new Dict({fold_case: true}); // key is user_ids_string
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var recent_private_messages = [];
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self.insert = function (user_ids_string, timestamp) {
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var conversation = recent_timestamps.get(user_ids_string);
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if (conversation === undefined) {
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// This is a new user, so create a new object.
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conversation = {
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user_ids_string: user_ids_string,
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timestamp: timestamp,
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};
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recent_timestamps.set(user_ids_string, conversation);
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// Optimistically insert the new message at the front, since that
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// is usually where it belongs, but we'll re-sort.
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recent_private_messages.unshift(conversation);
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} else {
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if (conversation.timestamp >= timestamp) {
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return; // don't backdate our conversation
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}
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// update our timestamp
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conversation.timestamp = timestamp;
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}
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recent_private_messages.sort(function (a, b) {
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return b.timestamp - a.timestamp;
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});
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};
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self.get = function () {
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// returns array of structs with user_ids_string and
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// timestamp
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return recent_private_messages;
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};
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self.get_strings = function () {
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// returns array of structs with user_ids_string and
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// timestamp
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return _.pluck(recent_private_messages, 'user_ids_string');
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};
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return self;
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}());
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return exports;
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}());
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if (typeof module !== 'undefined') {
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module.exports = pm_conversations;
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}
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window.pm_conversations = pm_conversations;
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