add api/filters

database/filters.js

@@ -0,0 +1,178 @@
+const Database = require('./newclient');
+
+async function getAlcoholoVolume() {
+  const alcoholVolumes = await Database
+    .collection('alcoholVolumes')
+    .aggregate([
+      {
+        $project: {
+          _id: 0,
+          id: 1,
+          name: 1,
+          slug: 1,
+          count: { $size: "$cocktailSlugs" }
+        }
+      },
+      { $sort: { count: -1 } }
+    ])
+    .toArray();
+
+  return alcoholVolumes
+}
+
+async function getTastes() {
+  const tastes = await Database
+    .collection('tastes')
+    .aggregate([
+      {
+        $project: {
+          _id: 0,
+          id: 1,
+          name: 1,
+          slug: 1,
+          count: { $size: "$cocktailSlugs" }
+        }
+      },
+      { $sort: { count: -1 } }
+    ])
+    .toArray();
+
+  return tastes
+}
+
+async function getGlasswares() {
+  const glasswares = await Database
+    .collection('glassware')
+    .aggregate([
+      {
+        $project: {
+          _id: 0,
+          id: 1,
+          name: 1,
+          slug: 1,
+          count: { $size: "$cocktailSlugs" }
+        }
+      },
+      { $sort: { count: -1 } }
+    ])
+    .toArray();
+
+  return glasswares
+}
+
+async function getGoods() {
+  const goods = await Database
+    .collection('goods')
+    .aggregate([
+      {
+        $project: {
+          _id: 0,
+          id: 1,
+          name: 1,
+          slug: 1,
+          count: { $size: "$cocktailSlugs" }
+        }
+      },
+      { $sort: { count: -1 } }
+    ])
+    .toArray();
+
+  return goods;
+}
+
+async function getTagsData() {
+  const tags = await Database
+    .collection('tags')
+    .aggregate([
+      {
+        $project: {
+          _id: 0,
+          id: 1,
+          name: 1,
+          slug: 1,
+          count: { $size: "$cocktailSlugs" }
+        }
+      },
+      { $sort: { count: -1 } }
+    ])
+    .toArray();
+
+  return tags;
+}
+
+async function getToolsData() {
+  const tools = await Database
+    .collection('tools')
+    .aggregate([
+      {
+        $project: {
+          _id: 0,
+          id: 1,
+          name: 1,
+          slug: 1,
+          count: { $size: "$cocktailSlugs" }
+        }
+      },
+      { $sort: { count: -1 } }
+    ])
+    .toArray();
+
+  return tools;
+}
+
+async function getFiltersData() {
+  return [
+    {
+      id: 4,
+      queryName: 'alcohol-volume',
+      name: 'Алкоголь',
+      items: await getAlcoholoVolume(),
+      selectionType: 'SINGLE',
+      sortOrder: 1,
+    },
+    {
+      id: 3,
+      queryName: 'taste',
+      name: 'Смак',
+      items: await getTastes(),
+      selectionType: 'MULTIPLE',
+      sortOrder: 2,
+    },
+    {
+      id: 5,
+      queryName: 'glassware',
+      name: 'Стакан',
+      items: await getGlasswares(),
+      selectionType: 'SINGLE',
+      sortOrder: 3,
+    },
+    {
+      id: 1,
+      queryName: 'goods',
+      name: 'Інгрідієнти',
+      items: await getGoods(),
+      selectionType: 'MULTIPLE',
+      sortOrder: 4,
+    },
+    {
+      id: 0,
+      queryName: 'tags',
+      name: 'Інше',
+      items: await getTagsData(),
+      selectionType: 'MULTIPLE',
+      sortOrder: 5,
+    },
+    {
+      id: 2,
+      queryName: 'tools',
+      name: 'Приладдя',
+      items: await getToolsData(),
+      selectionType: 'MULTIPLE',
+      sortOrder: 6,
+    }
+  ]
+}
+
+module.exports = {
+  getFiltersData
+}

features/filters/rest.js

@@ -1,5 +1,6 @@
 const express = require('express')
 const { getFullCocktailByFilter } = require('../../database/filetrs');
+const { getFiltersData } = require('../../database/filters');
 const DescriptionBuilder = require('./description');
 const router = express.Router();
 
@@ -36,4 +37,16 @@ router.get('/api/filter/*', async (req, res) => {
   return res.status(200).send(response);
 });
 
+const filterDataCache = {};
+
+router.get('/api/filters', async (req, res) => {
+  if (filterDataCache.data) {
+    return res.status(200).send(filterDataCache.data);
+  }
+  const response = await getFiltersData();
+  filterDataCache.data = response;
+
+  return res.status(200).send(response);
+});
+
 module.exports = router;