Create db.js

scripts/db.js

@@ -0,0 +1,105 @@
+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: [],
+  add(channel) {
+    this.list.push(channel)
+  },
+  all() {
+    return this.list
+  },
+  forCountry(country) {
+    if (!country.code) return this.list.filter(channel => !channel.countries.length)
+
+    return this.list.filter(channel => channel.countries.map(c => c.code).includes(country.code))
+  },
+  forLanguage(language) {
+    return this.list.filter(channel => channel.languages.map(c => c.code).includes(language.code))
+  },
+  forCategory(category) {
+    return this.list.filter(channel => channel.category.toLowerCase() === category.id)
+  },
+  count() {
+    return this.list.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
+  }
+}
+
+db.categories = {
+  list: categories,
+  all() {
+    return this.list
+  },
+  count() {
+    return this.list.length
+  }
+}
+
+module.exports = db