feat(server): Add better logging to detect potential errors

Signed-off-by: Avior <f.bouillon@aptatio.com>

server/src/V2/graphql/index.ts

@@ -1,26 +1,44 @@
 import express from 'express'
 import { graphqlHTTP } from 'express-graphql'
-import { buildSchema, formatError } from 'graphql'
-import resolver from './resolver'
 import fs from 'fs'
+import { buildSchema, formatError, GraphQLError } from 'graphql'
+import resolver from './resolver'
 
 // Init Express Router
 const router = express.Router()
+
 /**
  * Drawbacks
  * Attack.damage is a string instead of possibly being a number or a string
  */
 const schema = buildSchema(fs.readFileSync('./public/v2/graphql.gql').toString())
 
+// Error Logging for debugging
+function graphQLErrorHandle(error: GraphQLError) {
+	if (process.env.NODE_ENV !== 'production') {
+		console.error(error)
+	}
+	if (error.source) {
+		console.error('GraphQL Error')
+		console.error(error.message)
+		console.error(error.source?.body.replace(/\n/g, '\\n'))
+	}
+	return formatError(error)
+}
+
 // Add graphql to the route
-router.use(graphqlHTTP({
+router.get('/', graphqlHTTP({
 	schema,
 	rootValue: resolver,
 	graphiql: true,
-	customFormatErrorFn(error) {
-		console.error(error)
-		return formatError(error)
-	}
+	customFormatErrorFn: graphQLErrorHandle
+}))
+
+router.post('/', graphqlHTTP({
+	schema,
+	rootValue: resolver,
+	graphiql: true,
+	customFormatErrorFn: graphQLErrorHandle
 }))
 
 export default router

server/src/index.ts

@@ -1,14 +1,14 @@
 import express from 'express'
-import graphql from './V2/graphql'
-import jsonEndpoints from './V2/endpoints/jsonEndpoints'
 import status from './status'
+import jsonEndpoints from './V2/endpoints/jsonEndpoints'
+import graphql from './V2/graphql'
 // Current API version
 const VERSION = 2
 
 // Init Express server
 const server = express()
 
-// Set global headers
+// Set CORS global headers
 server.use((_, res, next) => {
 	res
 		.setHeader('Access-Control-Allow-Origin', '*')
@@ -18,6 +18,19 @@ server.use((_, res, next) => {
 	next()
 })
 
+// Route logging / Error logging for debugging
+server.use((req, res, next) => {
+	res.on('close', () => {
+		console.log(`[${new Date().toISOString()}]: ${req.method.padStart(7, ' ')} ${res.statusCode} ${(req.baseUrl ?? '') + req.url}`)
+	})
+	res.on('error', (err) => {
+		console.error('Error:')
+		console.error(err)
+	})
+
+	next()
+})
+
 server.get('/', (_, res) => {
 	res.redirect('https://www.tcgdex.dev/?ref=api.tcgdex.net')
 })