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'use strict';
const utils = require('../utils');
const define = (obj, name, value) => Reflect.defineProperty(obj, name, { value });
module.exports = (options = {}) => {
return function() {
let log = (...args) => {
if (this.options.verbose === true || options.verbose === true) {
console.log(...args);
}
};
define(this, 'total', async() => {
if (!this.cache.has('total')) {
let results = await this.downloads();
this.cache.set('total', utils.stats.calc.total(results));
}
return this.cache.get('total');
});
define(this, 'last', async(n) => {
let key = 'last-' + n;
if (!this.cache.has(key)) {
let results = await this.downloads();
this.cache.set(key, utils.stats.calc.last(n, results));
}
return this.cache.get(key);
});
define(this, 'downloads', (start = '2005-01-01') => {
let end = this.options.end
? utils.moment(this.options.end)
: utils.moment.utc().subtract(1, 'days');
start = utils.moment(start);
let downloads = [];
return new Promise((resolve, reject) => {
log('getting downloads for "' + this.name + '"');
utils.stats.get(start, end, this.name)
.on('data', (data) => {
downloads.push(data);
})
.on('error', (err) => {
log('ERROR: [' + this.name + ']');
log(err);
})
.on('end', () => {
downloads.sort((a, b) => {
if (a.day < b.day) return 1;
if (a.day > b.day) return -1;
return 0;
});
let results = [];
downloads.forEach(download => {
if (!results.find(d => d.day === download.day)) {
results.push(download);
}
});
resolve(results);
});
});
});
};
};