feat: Implement getApp graphQL query

packages/backend/src/graphql/graphql-schema.ts

@@ -1,5 +1,7 @@
-import { GraphQLObjectType, GraphQLSchema, GraphQLString, GraphQLList } from 'graphql';
+import { GraphQLObjectType, GraphQLSchema, GraphQLString, GraphQLList, GraphQLNonNull } from 'graphql';
 import getApps from './queries/get-apps';
+import getApp from './queries/get-app';
+import appType from './types/app';
 
 const queryType = new GraphQLObjectType({
   name: 'Query',
@@ -10,7 +12,14 @@ const queryType = new GraphQLObjectType({
         name: { type: GraphQLString }
       },
       resolve: (_, { name }) => getApps(name)
-    }
+    },
+    getApp: {
+      type: appType,
+      args: {
+        name: { type: GraphQLNonNull(GraphQLString) },
+      },
+      resolve: (_, { name }) => getApp(name)
+    },
   }
 });
 

packages/backend/src/graphql/queries/get-app.ts

@@ -0,0 +1,11 @@
+import App from '../../models/app';
+
+const getApp = (name: string) => {
+  if(!name) {
+    throw new Error('No name provided.')
+  }
+
+  return App.findOneByName(name)
+}
+
+export default getApp;

packages/backend/src/graphql/types/app.ts

@@ -0,0 +1,14 @@
+import { GraphQLObjectType, GraphQLString, GraphQLList } from 'graphql';
+import fieldType from './field';
+
+const appType = new GraphQLObjectType({
+  name: 'App',
+  fields: {
+    name: { type: GraphQLString },
+    iconUrl: { type: GraphQLString },
+    docUrl: { type: GraphQLString },
+    fields: { type: GraphQLList(fieldType) }
+  }
+});
+
+export default appType;

packages/backend/src/graphql/types/field.ts

@@ -0,0 +1,18 @@
+import { GraphQLObjectType, GraphQLString, GraphQLBoolean} from 'graphql';
+
+const fieldType = new GraphQLObjectType({
+  name: 'field',
+  fields: {
+    key: { type: GraphQLString },
+    label: { type: GraphQLString },
+    type: { type: GraphQLString },
+    required: { type: GraphQLBoolean},
+    readOnly: { type: GraphQLBoolean},
+    placeholder: { type: GraphQLString},
+    description: { type: GraphQLString},
+    docUrl: { type: GraphQLString},
+    clickToCopy: { type: GraphQLBoolean},
+  }
+})
+
+export default fieldType;

packages/backend/src/models/app.ts

@@ -8,6 +8,11 @@ class App {
     if(!name) return this.list;
     return this.list.filter((app) => app.includes(name.toLowerCase()));
   }
+
+  static findOneByName(name: string): object {
+    const rawAppData = fs.readFileSync(this.folderPath + `/${name}/info.json`, 'utf-8');
+    return JSON.parse(rawAppData);
+  }
 }
 
 export default App;