upload

FloChartAPIServer/.babelrc

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+// .babelrc
+{
+    "presets" : ["@babel/preset-env"]
+}

FloChartAPIServer/package.json

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+{
+  "name": "FloChartAPIServer",
+  "version": "1.0.0",
+  "description": "FloChart-API-Server",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "apollo-server": "^2.17.0",
+    "axios": "^0.20.0",
+    "graphql": "^15.3.0"
+  },
+  "scripts": {
+    "start": "nodemon --exec babel-node src/index.js"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.11.6",
+    "@babel/node": "^7.10.5",
+    "@babel/preset-env": "^7.11.5",
+    "nodemon": "^2.0.4"
+  }
+}

FloChartAPIServer/src/database/songlists.js

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+const songlists = [];
+
+export default songlists;

FloChartAPIServer/src/graphql/resolvers.js

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+import songlists from '../database/songlists';
+
+const resolvers = {
+    Query: {
+        songs: () => songlists,
+        song: (_, { rank }) => {
+            return songlists.filter(song => song.rank === rank)[0];
+        }
+    },
+    Mutation: {
+        addSong: (_, { name, artist, album, img }) => {
+            if (songlists.find(song => song.name === name)) return null;
+
+            const newSong = {
+                id : songlists.length + 1,
+                rank: songlists.length + 1,
+                name: name,
+                artist: artist,
+                album: album,
+                img: img
+            };
+
+            songlists.push(newSong);
+
+            return newSong;
+        }
+    }
+}
+
+export default resolvers;

FloChartAPIServer/src/graphql/typeDefs.js

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+import { gql } from 'apollo-server';
+
+const typeDefs = gql`
+    type Song {
+        id : Int!
+        rank: Int!
+        name: String!
+        artist: String!
+        album: String!
+        img: String!
+    }
+    
+    type Query {
+        songs: [Song!]!
+        song(id: Int!): Song 
+    }
+
+    type Mutation {
+        addSong(name: String!, artist: String!, album: String!, img: String!): Song!
+    }
+`;
+
+export default typeDefs;

FloChartAPIServer/src/index.js

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+import { ApolloServer } from 'apollo-server';
+import resolvers from './graphql/resolvers';
+import typeDefs from './graphql/typeDefs';
+
+// ApolloServer는 스키마와 리졸버가 반드시 필요함
+const server = new ApolloServer({
+  typeDefs,
+  resolvers
+});
+
+// listen 함수로 웹 서버 실행
+server.listen().then(({ url }) => {
+  console.log(`🚀  Server ready at ${url}`);
+});