Created
May 2, 2019 13:48
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| const { ApolloServer, gql } = require('apollo-server'); | |
| const lifts = require("./data/lifts.json"); | |
| const trails = require("./data/trails.json"); | |
| const typeDefs = gql` | |
| type Lift { | |
| id: ID! | |
| name: String! | |
| status: LiftStatus | |
| capacity: Int! | |
| night: Boolean | |
| elevationGain: Int! | |
| trailAccess: [Trail]! | |
| url: String! | |
| } | |
| type Trail { | |
| id: String! | |
| name: String! | |
| difficulty: Difficulty | |
| status: TrailStatus | |
| groomed: Boolean | |
| snowmaking: Boolean | |
| trees: Boolean | |
| night: Boolean | |
| accessedByLifts: [Lift]! | |
| } | |
| enum LiftStatus { | |
| OPEN | |
| CLOSED | |
| HOLD | |
| } | |
| enum Difficulty { | |
| expert | |
| advanced | |
| beginner | |
| intermediate | |
| } | |
| enum TrailStatus { | |
| OPEN | |
| CLOSED | |
| } | |
| type Query { | |
| liftCount(status: LiftStatus): Int! | |
| trailCount(status: TrailStatus!): Int! | |
| allLifts:[Lift!]! | |
| allTrails(status: TrailStatus): [Trail!]! | |
| findTrailById(id: ID!): Trail! | |
| findByLiftId(id: ID!): Lift! | |
| } | |
| `; | |
| const resolvers = { | |
| Query: { | |
| allTrails: (parent, { status }) => { | |
| if (!status) { | |
| return trails; | |
| } else { | |
| return trails.filter(trail => trail.status === status); | |
| } | |
| }, | |
| allLifts: () => lifts, | |
| findTrailById: (parent, { id }) => { | |
| return trails.find(trail => id = trail.id) | |
| }, | |
| findByLiftId: (parent, args) => { | |
| return lifts.find(lift => args.id === lift.id) | |
| }, | |
| trailCount: (parent, { status }) => { | |
| if (!status) return trails.length; | |
| return trails.filter(trail => status === trail.status).length | |
| }, | |
| liftCount: (parent, { status }) => { | |
| if (!status) return lifts.length; | |
| return lifts.filter(lift => status === lift.status).length | |
| }, | |
| }, | |
| Lift: { | |
| url: parent => `/lifts/${parent.id}`, | |
| trailAccess: parent => { | |
| parent.trails.map(id => trails.find(trail => id === trail.id)) | |
| } | |
| } | |
| }; | |
| const server = new ApolloServer({ | |
| typeDefs, | |
| resolvers | |
| }); | |
| server.listen().then(() => console.log('Server running on port 4000')); |
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