clg/lib/rename.js

Command-line goodness for static site generators and more

var slugize = require('./helpers/slugize');
var displayMenu = require('./helpers/display-menu');
var find = require('./find');

var chalk = require('chalk');
var inquirer = require('inquirer');
var path = require('path');
var mv = require('shelljs').mv;
var cat = require('shelljs').cat;
var ShellString = require('shelljs').ShellString;

module.exports = function(rootDir, config, options) {

  var files = find(rootDir, config, options);
  var newTitle = options.name;

  if (!newTitle) {
    console.log('You ' + chalk.red('must') + ' provide a new title to rename the file using the `--nn` option.');
    process.exit(1);
  }

  var newSlug = slugize(newTitle);

  // now process the results
  if (!files.length) {
    console.log('No files match your query');
    process.exit(1);
  } else if (files.length === 1) {
    rename(
      path.resolve(rootDir, files[0].path.slice(2)),
      files[0].attributes.title,
      files[0].fileName,
      newTitle,
      options.asset,
      config,
      rootDir
    );
  } else {
    displayMenu(files, 'Select a file to edit', rootDir, config, function(err, file) {
      if (err) { throw err; }
      rename(
        path.resolve(rootDir, file.path.slice(2)),
        file.attributes.title,
        file.fileName,
        newTitle,
        options.asset,
        config,
        rootDir
      );
    });
  }
};

function rename(filePath, fileTitle, slug, newTitle, newAsset, config, rootDir) {
  var choices = [
    'Rename title and path',
    'Rename title only',
    'Rename path only',
    'Cancel (don\'t rename anything)'
  ];
  var message = 'The current file path is ' + chalk.yellow(filePath) +
    '\nThe current title is ' + chalk.yellow(fileTitle) + '\n';
  var newPath, assetDir, newAssetDir;

  inquirer.prompt([{
    type: 'list',
    name: 'choice',
    message: message,
    choices: choices
  }]).then(function(result) {
    // 0 = title & path, 1 = title, 2 = path, 3 = cancel
    var selected = choices.indexOf(result.choice);
    var asset = null;

    if (newAsset) {
      try {
        asset = config.newDirs[newAsset];
      } catch(e) {
        console.log('The ' + chalk.gray(asset) + ' asset has not been configured. Check your ' + chalk.gray('.clg.json') + '. Exiting..');
        process.exit();
      }
      if (typeof asset !== 'string') {
        asset = asset.dir;
      }
      newPath = path.resolve(rootDir, asset, newSlug) + '.md';
    } else {
      newPath = path.resolve(filePath.slice(0, filePath.lastIndexOf(path.sep)), newSlug) + '.md';
    }

    // replace title
    if (selected < 2) {
      ShellString(cat(filePath).replace(/title\: .*/, 'title: "' + newTitle + '"')).to(filePath);
      console.log('Title successfully changed to ' + chalk.yellow(newTitle));
    }
    // rename the path
    if (selected === 0 || selected === 2) {
      // mv filePath, rootDir/newFilename
      mv(filePath, newPath);
      console.log('File successfully renamed to ' + chalk.yellow(newPath));

      // check for asset dir and move if found
      assetDir = filePath.slice(0, filePath.lastIndexOf('.'));
      newAssetDir = newPath.slice(0, newPath.lastIndexOf('.'));
      try {
        mv(assetDir, newAssetDir);
        console.log('Asset directory renamed');
      } catch(e) {
        console.log('No asset directory found');
      }
    }
    if (selected === 3) {
      console.log('Exiting without making changes');
      process.exit();
    }
  }).catch(function(err) {
    console.error(err);
  });
}