Add middleware

server/Server.js

@@ -1,6 +1,7 @@
 const Path = require('path')
 const Sequelize = require('sequelize')
 const express = require('express')
+const OpenApiValidator = require('express-openapi-validator')
 const http = require('http')
 const util = require('util')
 const fs = require('./libs/fsExtra')
@@ -203,6 +204,39 @@ class Server {
       next()
     })
 
+    // Install the OpenApiValidator middleware if using a dev environment
+    if (Logger.isDev) {
+      // If you do not want to use this, you can comment out the entire section
+      // or only certain parts.
+      //
+      // The default value of `validateResponses` is false, so it can be safely commented
+      // out if the validation is causing problems.
+      const apiSpec = Path.join(__dirname, '..', 'docs', 'openapi.json')
+      app.use(
+        OpenApiValidator.middleware({
+          apiSpec: apiSpec,
+          validateRequests: true,
+          validateResponses: {
+            onError: (error, body, req) => {
+              console.log(`Response body fails validation: `, error)
+              console.log(`Emitted from:`, req.originalUrl)
+              console.debug(body)
+            }
+          },
+          formats: [
+            // Define custom format types for OpenAPI spec
+            {
+              name: 'uuid',
+              type: 'string',
+              validate: (v) => /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/.test(v.toString())
+            }
+          ],
+          unknownFormats: ['li_[a-z0-9]{18}', '[0-9]*'],
+          ignoreUndocumented: true
+        })
+      )
+    }
+
     // parse cookies in requests
     app.use(cookieParser())
     // enable express-session