get_titles_for_language added, celebrate input value check added

src/controllers/title.js

@@ -2,7 +2,7 @@ const database = require('../database/database.js')
 const not_found_error = require('../../lib/src/http/errors/not_found_error')
 
 const get_titles = async (req, res, next) => {
-    var titles = await database.get_titles()
+    var titles = await database.get_titles(req.query.start, req.query.count)
      
     if (!titles) {
         next(new not_found_error('titles not found'))
@@ -12,6 +12,18 @@ const get_titles = async (req, res, next) => {
     res.json(titles)
 }
 
+const get_titles_for_language = async (req, res, next) => {
+    var titles = await database.get_titles_for_language(req.query.start, req.query.count, req.query.language.toLowerCase())
+
+    if (!titles) {
+        next(new not_found_error('titles not found'))
+        return
+    }
+
+    res.json(titles)
+}
+
 module.exports = {
-    get_titles
+    get_titles,
+    get_titles_for_language
 }

src/database/database.js

@@ -29,6 +29,15 @@ const get_titles = async (start, count) => {
     return (!titles.length) ? null : titles
 }
 
+const get_titles_for_language = async (start, count, language) => {
+    var db = await get_db()
+    if (!db) {
+        return null
+    }
+    var titles = await db.collection('title').find({language:language}).skip(parseInt(start)).limit(parseInt(count)).toArray()
+    return (!titles.length) ? null : titles
+}
+
 const get_free_session_servers = async (title) => {
     var db = await get_db()
     if (!db) {
@@ -119,5 +128,6 @@ module.exports = {
     add_active_session,
     generate_session_id,
     remove_active_session,
-    get_session_websocket_url
+    get_session_websocket_url,
+    get_titles_for_language
 }

src/routes/title.js

@@ -1,6 +1,20 @@
 const router = require('express').Router()
-const {get_titles} = require('../controllers/title')
+const { celebrate, Joi, Segments} = require('celebrate')
+const {get_titles, get_titles_for_language} = require('../controllers/title')
 
-router.get('/get', get_titles)
+router.get('/get', celebrate({
+    [Segments.QUERY]: Joi.object().keys({
+        start: Joi.string().required(),
+        count: Joi.string().required()
+    })
+}), get_titles)
+
+router.get('/get_for_language', celebrate({
+    [Segments.QUERY]: Joi.object().keys({
+        start: Joi.string().required(),
+        count: Joi.string().required(),
+        language: Joi.string().required()
+    })
+}), get_titles_for_language)
 
 module.exports = router