Resolves #14 - Separated out cli program from github client

bin/github-label.js

@@ -1,11 +1,59 @@
 #!/usr/bin/env node
+'use strict';
+
 var program = require('commander');
 var prompt = require('prompt');
+var requireDir = require('require-dir');
+var format = require('util').format;
 var logging = require('../src/logging');
-// var labels = require('../src/labels');
+var GithubClient = require('../src/client');
+var utils = require('../src/utils');
+var presets = requireDir('../src/presets');
 var pjson = require('../package.json');
 
-// Command-line argument parser.
+
+/********************************************************************
+* HELPER FUNCTIONS
+*********************************************************************/
+var promptForCredentials = function(client, callback) {
+  console.log('Please enter your GitHub credentials.\n');
+  var authPrompt = [
+    { name: 'username', type: 'string', required: true },
+    { name: 'password', type: 'string', required: true, hidden: true }];
+  prompt.start();
+  prompt.get(authPrompt, function(error, result) {
+    if (error) {
+      logging.exit('invalid login credentials.');
+    } client.setupAuthClient(result.username, result.password);
+    callback();
+  });
+};
+
+var createGithubLabels = function(repository, labels) {
+  var client = new GithubClient();
+  client.setRepository(repository);
+
+  // TODO: Clean up labels for API here.
+  // TODO: code
+
+  // Authenticate client with access token.
+  if (client.ACCESS_TOKEN) {
+    client.setupTokenClient();
+    client.postLabels(labels);
+  }
+
+  // Authenticate client with credentials.
+  else {
+    promptForCredentials(client, function() {
+      client.postLabels(labels);
+    });
+  }
+};
+
+
+/********************************************************************
+* MAIN CLI PROGRAM
+*********************************************************************/
 program.version(pjson.version)
   .arguments('repo')
   .option('-p, --preset [value]', 'Specify a label preset.', 'default')
@@ -18,11 +66,26 @@ if (program.rawArgs.length < 3) {
   program.help();
 }
 
-// Validate that repository is specified.
+// Validate that a repository is specified.
 var repository = program.args[0];
 if (!repository) {
   logging.exit('please specify a repository like "user/repo"');
 }
 
+// Read JSON file if specfied by user.
+if (program.json) {
+  utils.readJSON(program.json, function(data) {
+    createGithubLabels(repository, data);
+  });
+}
 
-console.log(program);
+// Use one of the specified label preset.
+else {
+  var labelPreset = program.preset;
+  var labels = presets[labelPreset];
+  if (!labels) {
+    logging.exit(format('preset "%s" doesn\'t exist.', labelPreset));
+  } else {
+    createGithubLabels(repository, labels);
+  }
+}

src/client.js

@@ -0,0 +1,56 @@
+'use strict';
+
+var github = require('octonode');
+
+/********************************************************************
+* FUNCTION CONSTRUCTOR
+*********************************************************************/
+function GithubClient() {
+  // Only specified if environment variable exists.
+  this.ACCESS_TOKEN = process.env.GITHUB_LABEL_TOKEN;
+  this.repository = '';
+  this.client = null;
+  this.ghrepo = null;
+}
+
+
+/********************************************************************
+* PUBLIC METHODS
+*********************************************************************/
+GithubClient.prototype.setRepository = function(repository) {
+  this.repository = repository;
+  this.ghrepo = this.client.repo(this.repository);
+};
+
+GithubClient.prototype.getRepository = function() {
+  return this.repository;
+};
+
+GithubClient.prototype.setupTokenClient = function() {
+  this.client = github.client(this.ACCESS_TOKEN);
+  this.setupGithubRepo();
+};
+
+GithubClient.prototype.setupAuthClient = function(username, password) {
+  this.client = github.client({
+    username: username,
+    password: password
+  });
+  this.setupGithubRepo();
+};
+
+GithubClient.prototype.getLabels = function(callback) {
+  this.ghrepo.labels(function(blank, data, header) {
+    callback(data, header);
+  });
+};
+
+GithubClient.prototype.postLabels = function(labels) {
+  console.log('TODO: Send post request');
+};
+
+
+/********************************************************************
+* MODULE EXPORT
+*********************************************************************/
+module.exports = GithubClient;

src/logging.js

@@ -1,6 +1,6 @@
 'use strict';
 
 exports.exit = function(message) {
-  console.log('Exit: ' + message);
+  console.log('\nExit: ' + message);
   process.exit(1);
 };

src/utils.js

@@ -0,0 +1,12 @@
+'use strict';
+
+var fs = require('fs');
+var logging = require('./logging');
+
+exports.readJSON = function(filepath, callback) {
+  fs.readFile(filepath, 'utf8', function(error, data) {
+    if (error) {
+      logging.exit('could not read file: ' + filepath);
+    } callback(JSON.parse(data));
+  });
+};