extension.js

/*
Copyright 2019 Adobe. All rights reserved.
This file is licensed to you under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License. You may obtain a copy
of the License at http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under
the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
OF ANY KIND, either express or implied. See the License for the specific language
governing permissions and limitations under the License.
*/

const BaseCommand = require('../../../BaseCommand')
const aioLogger = require('@adobe/aio-lib-core-logging')('@adobe/aio-cli-plugin-app:add:action', { provider: 'debug' })
const { Flags } = require('@oclif/core')

const { atLeastOne, deleteUserConfig } = require('../../../lib/app-helper')
const chalk = require('chalk')
const fs = require('fs-extra')
const { EOL } = require('os')

class DeleteExtensionCommand extends BaseCommand {
  async run () {
    const { flags } = await this.parse(DeleteExtensionCommand)

    aioLogger.debug(`delete extension with flags: ${JSON.stringify(flags)}`)

    if (flags.yes && !flags.extension) {
      this.error('--extension= must also be provided when using --yes')
    }

    const fullConfig = await this.getFullConfig({ allowNoImpl: true })
    const configs = await this.selectOrGetConfigsToDelete(flags, fullConfig)

    const resConfirm = await this.prompt([
      {
        type: 'confirm',
        name: 'deleteExtensions',
        message: `Please confirm the deletion of '${Object.keys(configs)}', this will delete the source code`,
        when: !flags.yes
      }
    ])

    if (!flags.yes && !resConfirm.deleteExtensions) {
      this.error('aborting..')
    }

    await this.deleteImplementations(configs)

    this.log(chalk.bold(chalk.green(
      `✔ Successfully deleted implementation(s) '${Object.keys(configs)}'` + EOL +
      '  => please make sure to cleanup associated dependencies, test files and to sync deployment'
    )))
  }

  async selectOrGetConfigsToDelete (flags, config) {
    const alreadyImplemented = config.implements
    if (alreadyImplemented.length <= 0) {
      throw new Error('There are no implementations left in the project')
    }
    if (!flags.extension) {
      // prompt
      const answers = await this.prompt([{
        type: 'checkbox',
        name: 'res',
        message: 'Which implementation(s) do you wish to delete from the project?',
        choices: alreadyImplemented,
        validate: atLeastOne
      }])
      flags.extension = answers.res
    }
    return await this.getAppExtConfigs(flags)
  }

  async deleteImplementations (configs) {
    for (const [id, c] of Object.entries(configs)) {
      // delete actions
      if (c.app.hasBackend) {
        fs.removeSync(c.actions.src)
      }
      // delete web-assets
      if (c.app.hasFrontend) {
        fs.removeSync(c.web.src)
      }

      // delete test files
      fs.removeSync(c.tests.unit)
      fs.removeSync(c.tests.e2e)

      // delete config
      // try to find another config file => case of init extension in another folder
      const configKey = id === 'application' ? 'application' : `extensions.${id}`
      const configDataOp = await this.getConfigFileForKey(configKey + '.operations')
      if (configDataOp.file) {
        fs.removeSync(configDataOp.file)
      }
      // delete config in parent config file
      const configData = await this.getConfigFileForKey(configKey)
      deleteUserConfig(configData)
    }
  }
}

DeleteExtensionCommand.description = `Delete existing extensions
`
DeleteExtensionCommand.flags = {
  yes: Flags.boolean({
    description: 'Skip questions, and use all default values',
    default: false,
    char: 'y'
  }),
  install: Flags.boolean({
    description: '[default: true] Run npm installation after files are created',
    default: true,
    allowNo: true
  }),
  extension: Flags.string({
    description: 'Specify extensions to delete, skips selection prompt',
    char: 'e',
    multiple: true
  }),
  ...BaseCommand.flags
}

DeleteExtensionCommand.aliases = ['app:delete:ext', 'app:delete:extensions']
DeleteExtensionCommand.args = {}

module.exports = DeleteExtensionCommand