const categories = require('./categories') const parser = require('./parser') const utils = require('./utils') const db = {} db.load = function () { const items = parser.parseIndex() for (const item of items) { const playlist = parser.parsePlaylist(item.url) for (const channel of playlist.channels) { db.channels.add(channel) for (const country of channel.countries) { if (!db.countries.has(country)) { db.countries.add(country) } } for (const language of channel.languages) { if (!db.languages.has(language)) { db.languages.add(language) } } } } } db.channels = { list: [], filter: null, add(channel) { this.list.push(channel) }, get() { let output if (this.filter) { switch (this.filter.field) { case 'countries': if (!this.filter.value) { output = this.list.filter(channel => !channel.countries.length) } else { output = this.list.filter(channel => channel.countries.map(c => c.code).includes(this.filter.value) ) } break case 'languages': if (!this.filter.value) { output = this.list.filter(channel => !channel.languages.length) } else { output = this.list.filter(channel => channel.languages.map(c => c.code).includes(this.filter.value) ) } break case 'category': if (!this.filter.value) { output = this.list.filter(channel => !channel.category) } else { output = this.list.filter( channel => channel.category.toLowerCase() === this.filter.value ) } break } } else { output = this.all() } this.filter = null return output }, all() { return this.list }, sfw() { const sfwCategories = categories.filter(c => !c.nsfw).map(c => c.name) return this.list.filter(i => sfwCategories.includes(i.category)) }, forCountry(country) { this.filter = { field: 'countries', value: country.code } return this }, forLanguage(language) { this.filter = { field: 'languages', value: language.code } return this }, forCategory(category) { this.filter = { field: 'category', value: category.id } return this }, count() { return this.get().length }, sortBy(fields) { this.list = utils.sortBy(this.list, fields) return this } } db.countries = { list: [], has(country) { return this.list.map(c => c.code).includes(country.code) }, add(country) { this.list.push(country) }, all() { return this.list }, count() { return this.list.length }, sortBy(fields) { this.list = utils.sortBy(this.list, fields) return this } } db.languages = { list: [], has(language) { return this.list.map(c => c.code).includes(language.code) }, add(language) { this.list.push(language) }, all() { return this.list }, count() { return this.list.length }, sortBy(fields) { this.list = utils.sortBy(this.list, fields) return this } } db.categories = { list: categories, all() { return this.list }, count() { return this.list.length } } module.exports = db