Initial commit

scripts/build-schemas.js

@@ -0,0 +1,114 @@
+/*
+ * server component for the TimeLimit App
+ * Copyright (C) 2019 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+const { resolve } = require('path')
+const TJS = require('typescript-json-schema')
+const { writeFileSync } = require('fs')
+const { each, isEqual } = require('lodash')
+
+const randomString = 'WK9fxjlOcM'
+
+const types = [
+  'ClientPushChangesRequest',
+  'ClientPullChangesRequest',
+  'SignInWithGoogleRequest',
+  'MailAuthTokenRequestBody',
+  'CreateFamilyByMailTokenRequest',
+  'SignIntoFamilyRequest',
+  'RecoverParentPasswordRequest',
+  'CanRecoverPasswordRequest',
+  'RegisterChildDeviceRequest',
+  'SerializedParentAction',
+  'SerializedAppLogicAction',
+  'SerializedChildAction',
+  'CreateRegisterDeviceTokenRequest',
+  'CanDoPurchaseRequest',
+  'FinishPurchaseByGooglePlayRequest',
+  'LinkParentMailAddressRequest',
+  'UpdatePrimaryDeviceRequest',
+  'RemoveDeviceRequest',
+  'RequestWithAuthToken',
+  'SendMailLoginCodeRequest',
+  'SignInByMailCodeRequest'
+]
+
+const settings = {
+  required: true,
+  noExtraProps: true
+};
+
+const compilerOptions = {
+  strictNullChecks: true,
+  lib: ['es2015']
+}
+
+// optionally pass a base path
+const program = TJS.getProgramFromFiles([
+  resolve(__dirname, '../src/api/schema.ts')
+], compilerOptions, __dirname)
+
+const generator = TJS.buildGenerator(program, settings)
+
+let definitions = {}
+let schemas = {}
+let output = ''
+
+types.forEach((type) => {
+  const schema = generator.getSchemaForSymbol(type)
+
+  schemas[type] = schema
+
+  if (schema.definitions) {
+    each(schema.definitions, (value, name) => {
+      if (!definitions[name]) {
+        definitions[name] = value
+      } else {
+        if (!isEqual(definitions[name], value)) {
+          throw new Error('different schemas for ' + name)
+        }
+      }
+    })
+  }
+})
+
+output += '// tslint:disable \n'
+output += 'import { ' + types.join(', ') + ' } from \'./schema\'\n'
+output += 'const Ajv = require(\'ajv\')\n'
+output += 'const ajv = new Ajv()\n'
+output += '\n'
+output += 'const definitions = ' + JSON.stringify(definitions, null, 2) + '\n\n'
+
+types.forEach((type) => {
+  const schema = schemas[type]
+  let schemaString
+
+  if (schema.definitions) {
+    schemaString = JSON.stringify({
+      ...schema,
+      definitions: randomString
+    }, null, 2).replace(JSON.stringify(randomString), 'definitions')
+  } else {
+    schemaString = JSON.stringify(schema, null, 2)
+  }
+
+  const functionBody = 'ajv.compile(' + schemaString + ')'
+  const functionName = 'is' + type.substr(0, 1).toUpperCase() + type.substr(1)
+
+  output += 'export const ' + functionName + ': (value: object) => value is ' + type + ' = ' + functionBody + '\n'
+})
+
+writeFileSync(resolve(__dirname, '../src/api/validator.ts'), output)