mirror of
https://github.com/vale981/Vulcan
synced 2025-03-11 21:16:40 -04:00
89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
/*
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Posts parameters
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*/
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import { Injected } from 'meteor/meteorhacks:inject-initial';
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import moment from 'moment';
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import { addCallback } from 'meteor/vulcan:core';
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// Add 'after' and 'before' properties to terms which can be used to limit posts in time.
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function addTimeParameter (parameters, terms, apolloClient) {
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// console.log('// addTimeParameter')
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if (typeof parameters.selector.postedAt === 'undefined') {
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let postedAt = {}, mAfter, mBefore, startOfDay, endOfDay, clientTimezoneOffset, serverTimezoneOffset, timeDifference;
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/*
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If we're on the client, add the time difference between client and server
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Example: client is on Japanese time (+9 hours),
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server on UCT (Greenwich) time (+0 hours), for a total difference of +9 hours.
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So the time '00:00, UCT' is equivalent to '09:00, JST'.
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So if we want to express the timestamp '00:00, UCT' on the client,
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we *add* 9 hours to '00:00, JST' on the client to get '09:00, JST' and
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sync up both times.
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*/
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if (Meteor.isClient) {
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clientTimezoneOffset = -1 * new Date().getTimezoneOffset();
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serverTimezoneOffset = -1 * Injected.obj('serverTimezoneOffset').offset;
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timeDifference = clientTimezoneOffset - serverTimezoneOffset;
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// console.log('client time:'+clientTimezoneOffset);
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// console.log('server time:'+serverTimezoneOffset);
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// console.log('difference: '+timeDifference);
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}
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if (terms.after) {
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// console.log('// after: '+terms.after);
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mAfter = moment(terms.after, 'YYYY-MM-DD');
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startOfDay = mAfter.startOf('day');
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// console.log('// normal ', mAfter.toDate(), mAfter.valueOf());
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// console.log('// startOfDay ', startOfDay.toDate(), startOfDay.valueOf());
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if (Meteor.isClient) {
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startOfDay.add(timeDifference, 'minutes');
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// console.log('// after add ', startOfDay.toDate(), startOfDay.valueOf());
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// note: on the client, dates are stored as strings,
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// so use strings for MongoDB filtering options too
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postedAt.$gte = startOfDay.toISOString();
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} else {
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postedAt.$gte = startOfDay.toDate();
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}
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}
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if (terms.before) {
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mBefore = moment(terms.before, 'YYYY-MM-DD');
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endOfDay = mBefore.endOf('day');
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if (Meteor.isClient) {
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endOfDay.add(timeDifference, 'minutes');
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postedAt.$lt = endOfDay.toISOString();
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} else {
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postedAt.$lt = endOfDay.toDate();
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}
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}
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if (!_.isEmpty(postedAt)) {
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parameters.selector.postedAt = postedAt;
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}
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}
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return parameters;
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}
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addCallback('posts.parameters', addTimeParameter);
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