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This removes koa, but we can add it back should we need it again Apolo-server-2 comes with playground, which is better than graphiql
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| const hours = new Date().getHours(); | ||
| const isDayTime = hours >= 6 && hours <= 18; | ||
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| export default { | ||
| settings: { | ||
| 'editor.theme': isDayTime ? 'light' : 'dark', | ||
| 'editor.cursorShape': 'underline', | ||
| 'tracing.hideTracingResponse': false, | ||
| }, | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,41 +1,111 @@ | ||
| import Koa from 'koa'; | ||
| import { ApolloServer, gql } from 'apollo-server'; | ||
| import _ from 'lodash'; | ||
| import playgroundConfig from './config/graphqlPlayground'; | ||
| import log from './util/log'; | ||
| import jsonData from './jsonData'; | ||
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|
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| import Router from 'koa-router'; | ||
| import bodyParser from 'koa-bodyparser'; | ||
| import { graphqlKoa, graphiqlKoa } from 'apollo-server-koa'; | ||
| import koaPlayground from 'graphql-playground-middleware-koa'; | ||
| const typeDefs = gql` | ||
| # Describes a module for, may span different semesters | ||
| type Module { | ||
| code: String! | ||
| title: String! | ||
| department: String | ||
| description: String | ||
| credit: Float | ||
| workload: String | ||
| prerequisite: String | ||
| corequisite: String | ||
| corsBiddingStats: [CorsBiddingStats] | ||
| # Refers to the history of the module throughout semesters | ||
| history: [ModuleInfo]! | ||
| } | ||
| import Boom from 'boom'; | ||
| import loggerMiddleware from 'koa-bunyan-logger'; | ||
| import errorMiddleware from './middleware/error'; | ||
| # Describes a particular module for a semester | ||
| type ModuleInfo { | ||
| semester: Int | ||
| examDate: String | ||
| examOpenBook: Boolean | ||
| examDuration: String | ||
| examVenue: String | ||
| timetable: [Lesson] | ||
| } | ||
| import log from './util/log'; | ||
| import schema from './graphql'; | ||
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| const app = new Koa(); | ||
| const router = new Router(); | ||
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| // Register middleware | ||
| app.use(bodyParser()); | ||
| app.use(loggerMiddleware(log)); | ||
| app.use(loggerMiddleware.requestIdContext()); | ||
| app.use(loggerMiddleware.requestLogger()); | ||
| app.use(errorMiddleware()); | ||
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| // Registers routes | ||
| router.post('/graphql', graphqlKoa({ schema, tracing: true })); | ||
| router.get('/graphiql', graphiqlKoa({ endpointURL: '/graphql' })); | ||
| router.get('/playground', koaPlayground({ endpoint: '/graphql' })); | ||
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| app.use(router.routes()); | ||
| app.use( | ||
| router.allowedMethods({ | ||
| throw: true, | ||
| notImplemented: () => new Boom.notImplemented(), // eslint-disable-line new-cap | ||
| methodNotAllowed: () => new Boom.methodNotAllowed(), // eslint-disable-line new-cap | ||
| }), | ||
| ); | ||
|
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| log.info('current environment: %s', process.env.NODE_ENV); | ||
| log.info('server started at port: %d', process.env.PORT || 3600); | ||
| app.listen(process.env.PORT || 3600); | ||
| # Bidding stats for Cors | ||
| type CorsBiddingStats { | ||
| quota: Int | ||
| bidders: Int | ||
| lowestBid: Int | ||
| lowestSuccessfulBid: Int | ||
| highestBid: Int | ||
| faculty: String | ||
| studentAcctType: String | ||
| acadYear: String | ||
| semester: Int | ||
| round: String | ||
| group: String | ||
| } | ||
| # A lesson conducted, may it be a lecture, laboratory or lecture | ||
| type Lesson { | ||
| classNo: String! | ||
| lessonType: String! | ||
| weekText: String! | ||
| dayText: String! | ||
| startTime: String! | ||
| endTime: String! | ||
| venue: String! | ||
| } | ||
| # the schema allows the following query: | ||
| type Query { | ||
| modules(acadYear: String!, first: Int, offset: Int): [Module!]! | ||
| module(acadYear: String!, code: String!): Module | ||
| } | ||
| schema { | ||
| query: Query | ||
| } | ||
| `; | ||
|
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| const resolvers = { | ||
| Query: { | ||
| modules(root, { acadYear, first, offset }) { | ||
| const yearData = jsonData[acadYear]; | ||
| if (yearData == null) { | ||
| return []; | ||
| } | ||
| const modules = Object.values(yearData); | ||
| return modules.slice(offset, offset ? offset + first : first); | ||
| }, | ||
| module(root, { acadYear, code }) { | ||
| return _.get(jsonData, [acadYear, code]); | ||
| }, | ||
| }, | ||
| }; | ||
|
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| const server = new ApolloServer({ | ||
| typeDefs, | ||
| /* Apollo is mutating resolvers */ | ||
| resolvers: { ...resolvers }, | ||
| playground: playgroundConfig, | ||
| formatError: (error) => { | ||
| log.error(error); | ||
| return error; | ||
| }, | ||
| formatResponse: (response) => { | ||
| log.info(response); | ||
| return response; | ||
| }, | ||
| }); | ||
|
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| if (process.env.NODE_ENV !== 'test') { | ||
| server.listen().then(({ url }) => { | ||
| log.info(`🚀 Server ready at ${url}`); | ||
| }); | ||
| } | ||
|
|
||
| /* For testing purposes */ | ||
| export default { | ||
| typeDefs, | ||
| resolvers, | ||
| }; |
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