initialize components, routes, and services

src/views/views-creator.ts

@@ -0,0 +1,92 @@
+import {
+  SystemDef,
+  ViewDef
+} from '../systemGenService';
+import * as path from 'path';
+import * as fs from 'fs';
+
+const ncp = require('ncp').ncp;
+
+
+export function createViews(systemDef: SystemDef) {
+  let viewsPromises = [];
+  for (let i in systemDef.views) {
+    viewsPromises.push(createComponent(systemDef.views[i], systemDef.name));
+  }
+  return Promise.all(viewsPromises);
+}
+
+function createComponent(view: ViewDef, outDir: string) {
+  let componentPromise = new Promise((componentResolve, componentReject) => {
+    ncp(path.join(process.cwd(), 'frame', 'src', 'components', '{{component}}'), path.join(process.cwd(), outDir, 'src', 'components', view.component), (err: any) => {
+      if (err) {
+        console.log(err);
+      } else {
+        let mapperPromise = initializeComponentFile(path.join(process.cwd(), outDir, 'src', 'components', view.component, '{{component}}Mapper.ets'), path.join(process.cwd(), outDir, 'src', 'components', view.component, `${view.component}Mapper.ts`), view.component, outDir);
+        let routesPromise = initializeComponentFile(path.join(process.cwd(), outDir, 'src', 'components', view.component, '{{component}}Routes.ets'), path.join(process.cwd(), outDir, 'src', 'components', view.component, `${view.component}Routes.ts`), view.component, outDir);
+        addInitializeRoutesCode(view.component, outDir);
+        let serviceFileLocation: string = path.join(process.cwd(), outDir, 'src', 'components', view.component, `${view.component}Service.ts`);
+        let servicePromise = initializeComponentFile(path.join(process.cwd(), outDir, 'src', 'components', view.component, '{{component}}Service.ets'), serviceFileLocation, view.component, outDir);
+        addInitializeServiceCode(view.component, outDir);
+        Promise.all([mapperPromise, routesPromise, servicePromise]).then(() => {
+          console.log(`success creating component ${view.component}`);
+          componentResolve();
+        });
+      }
+    });
+  });
+  return componentPromise;
+}
+
+function initializeComponentFile(sourceFile: string, destinationFile: string, component: string, outDir: string) {
+  let filePromise = new Promise((resolve, reject) => {
+    fs.rename(sourceFile, destinationFile, (err: any) => {
+      let fileContents = fs.readFileSync(destinationFile, 'utf8');
+      var uppercaseFirstLetterComponentName = uppercaseFirstLetter(component);
+      var lowercaseFirstLetterComponentName = lowercaseFirstLetter(component);
+      let newFileContents = fileContents.split('{{Component}}').join(uppercaseFirstLetterComponentName);
+      newFileContents = newFileContents.split('{{component}}').join(lowercaseFirstLetterComponentName);
+      fs.writeFileSync(destinationFile, newFileContents, 'utf8');
+      resolve();
+    });
+  });
+  return filePromise
+}
+
+function addInitializeServiceCode(component: string, outDir: string) {
+  let fileLocation = path.join(process.cwd(), outDir, 'src', 'initializeServices.ts');
+  let initServicesFile: string = fs.readFileSync(fileLocation, 'utf8');
+  let parts = initServicesFile.split('// SYSTEM-BUILDER-initialize-import');
+  parts[0] = parts[0] + `import { ${component}Service } from './components/${component}/${component}Service';
+`;
+  let newServicesFile = parts.join('// SYSTEM-BUILDER-initialize-import');
+  parts = newServicesFile.split('// SYSTEM-BUILDER-initialize-service');
+  parts[0] = parts[0] + `${component}Service.initialize(),
+`;
+  newServicesFile = parts.join('    // SYSTEM-BUILDER-initialize-service');
+  fs.writeFileSync(fileLocation, newServicesFile, 'utf8');
+}
+
+function addInitializeRoutesCode(component: string, outDir: string) {
+  let fileLocation = path.join(process.cwd(), outDir, 'src', 'app.ts');
+  let initRoutesFile: string = fs.readFileSync(fileLocation, 'utf8');
+  let parts = initRoutesFile.split('// SYSTEM-BUILDER-router.require');
+  parts[0] = parts[0] + `var ${component}Router = require('./components/${component}/${component}Routes');
+`;
+  let newRoutesFile = parts.join('// SYSTEM-BUILDER-router.require');
+  parts = newRoutesFile.split('// SYSTEM-BUILDER-app.use');
+  parts[0] = parts[0] + `app.use('/api/v1/${component}', ${component}Router);
+`;
+  newRoutesFile = parts.join('// SYSTEM-BUILDER-app.use');
+  fs.writeFileSync(fileLocation, newRoutesFile, 'utf8');
+}
+
+function uppercaseFirstLetter(input: string)
+{
+    return input.charAt(0).toUpperCase() + input.slice(1);
+}
+
+function lowercaseFirstLetter(input: string)
+{
+    return input.charAt(0).toLowerCase() + input.slice(1);
+}