refactored out giant async.series

src/install.js

@@ -15,37 +15,44 @@ var async = require('async'),
 var install = {},
 	questions = {};
 
-questions.main = [{
+questions.main = [
+	{
 		name: 'base_url',
 		description: 'URL of this installation',
 		'default': nconf.get('base_url') || 'http://localhost',
 		pattern: /^http(?:s)?:\/\//,
 		message: 'Base URL must begin with \'http://\' or \'https://\'',
-}, {
+	},
+	{
 		name: 'port',
 		description: 'Port number of your NodeBB',
 		'default': nconf.get('port') || 4567,
 		pattern: /[0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]/,
 		message: 'Please enter a value betweeen 1 and 65535'
-}, {
+	},
+	{
 		name: 'use_port',
 		description: 'Use a port number to access NodeBB?',
 		'default': (nconf.get('use_port') !== undefined ? (nconf.get('use_port') ? 'y' : 'n') : 'y'),
 		pattern: /y[es]*|n[o]?/,
 		message: 'Please enter \'yes\' or \'no\''
-}, {
+	},
+	{
 		name: 'secret',
 		description: 'Please enter a NodeBB secret',
 		'default': nconf.get('secret') || utils.generateUUID()
-}, {
+	},
+	{
 		name: 'bind_address',
 		description: 'IP or Hostname to bind to',
 		'default': nconf.get('bind_address') || '0.0.0.0'
-}, {
+	},
+	{
 		name: 'database',
 		description: 'Which database to use',
 		'default': nconf.get('database') || 'redis'
-}];
+	}
+];
 
 
 
@@ -53,9 +60,7 @@ ALLOWED_DATABASES.forEach(function(db) {
 	questions[db] = require('./database/' + db).questions;
 });
 
-install.setup = function (callback) {
+function checkSetupFlags (next) {
-	async.series([
-		function (next) {
 	// Check if the `--setup` flag contained values we can work with
 	var	setupVal;
 	try {
@@ -88,8 +93,9 @@ install.setup = function (callback) {
 	} else {
 		next();
 	}
-		},
+}
-		function (next) {
+
+function checkCIFlags(next) {
 	// Check if the `--ci` flag contained values we can work with
 	var	ciVals;
 	try {
@@ -119,16 +125,19 @@ install.setup = function (callback) {
 	} else {
 		next();
 	}
-		},
+}
-		function (next) {
+
-			var	success = function (err, config, callback) {
+
+function setupConfig(next) {
+	// maybe this should go into install/database.js
+	function success(err, config, callback) {
 		if (!config) {
 			return next(new Error('aborted'));
 		}
 
 		var database = (config.redis || config.mongo || config.level) ? config.secondary_database : config.database;
 
-				var dbQuestionsSuccess = function (err, databaseConfig) {
+		function dbQuestionsSuccess(err, databaseConfig) {
 			if (!databaseConfig) {
 				return next(new Error('aborted'));
 			}
@@ -167,7 +176,7 @@ install.setup = function (callback) {
 			}
 
 			callback(err, config);
-				};
+		}
 
 		// Add CI object
 		if (install.ciVals) {
@@ -200,38 +209,6 @@ install.setup = function (callback) {
 		} else {
 			return next(new Error('unknown database : ' + database));
 		}
-			};
-
-			// prompt prepends "prompt: " to questions, let's clear that.
-			prompt.start();
-			prompt.message = '';
-			prompt.delimiter = '';
-
-			if (!install.values) {
-				prompt.get(questions.main, function(err, config) {
-					if (nconf.get('advanced')) {
-						prompt.get({
-							name: 'secondary_database',
-							description: 'Select secondary database',
-							'default': nconf.get('secondary_database') || 'none'
-						}, function(err, dbConfig) {
-							config.secondary_database = dbConfig.secondary_database;
-							configureDatabases(err, config);
-						});
-					} else {
-						configureDatabases(err, config);
-					}
-				});
-			} else {
-				// Use provided values, fall back to defaults
-				var	config = {},
-					question, x, numQ, allQuestions = questions.main.concat(questions.redis).concat(questions.mongo.concat(questions.level));
-				for(x=0,numQ=allQuestions.length;x<numQ;x++) {
-					question = allQuestions[x];
-					config[question.name] = install.values[question.name] || question['default'] || '';
-				}
-
-				success(null, config, completeConfigSetup);
 	}
 
 	function getSecondaryDatabaseModules(config, next) {
@@ -284,8 +261,41 @@ install.setup = function (callback) {
 			require('./database').init(next);
 		});
 	}
-		},
+
-		function (next) {
+	// prompt prepends "prompt: " to questions, let's clear that.
+	prompt.start();
+	prompt.message = '';
+	prompt.delimiter = '';
+
+	if (!install.values) {
+		prompt.get(questions.main, function(err, config) {
+			if (nconf.get('advanced')) {
+				prompt.get({
+					name: 'secondary_database',
+					description: 'Select secondary database',
+					'default': nconf.get('secondary_database') || 'none'
+				}, function(err, dbConfig) {
+					config.secondary_database = dbConfig.secondary_database;
+					configureDatabases(err, config);
+				});
+			} else {
+				configureDatabases(err, config);
+			}
+		});
+	} else {
+		// Use provided values, fall back to defaults
+		var	config = {},
+			question, x, numQ, allQuestions = questions.main.concat(questions.redis).concat(questions.mongo.concat(questions.level));
+		for(x=0,numQ=allQuestions.length;x<numQ;x++) {
+			question = allQuestions[x];
+			config[question.name] = install.values[question.name] || question['default'] || '';
+		}
+
+		success(null, config, completeConfigSetup);
+	}
+}
+
+function setupDefaultConfigs(next) {
 	// Applying default database configs
 	winston.info('Populating database with default configs, if not already set...');
 	var meta = require('./meta');
@@ -312,8 +322,9 @@ install.setup = function (callback) {
 			}
 		}
 	});
-		},
+}
-		function(next) {
+
+function enableDefaultTheme(next) {
 	var	meta = require('./meta');
 	winston.info('Enabling default theme: Lavender');
 
@@ -321,8 +332,9 @@ install.setup = function (callback) {
 		type: 'local',
 		id: 'nodebb-theme-lavender'
 	}, next);
-		},
+}
-		function (next) {
+
+function createAdministrator(next) {
 	// Check if an administrator needs to be created
 	var Groups = require('./groups');
 	Groups.get('administrators', {}, function (err, groupObj) {
@@ -330,82 +342,12 @@ install.setup = function (callback) {
 			winston.info('Administrator found, skipping Admin setup');
 			next();
 		} else {
-					install.createAdmin(next);
+			createAdmin(next);
 		}
 	});
-		},
+}
-		function (next) {
-			// Categories
-			var Categories = require('./categories');
 
-			Categories.getAllCategories(0, function (err, data) {
+function createAdmin(callback) {
-				if (data.categories.length === 0) {
-					winston.warn('No categories found, populating instance with default categories');
-
-					fs.readFile(path.join(__dirname, '../', 'install/data/categories.json'), function (err, default_categories) {
-						default_categories = JSON.parse(default_categories);
-
-						async.eachSeries(default_categories, function (category, next) {
-							Categories.create(category, next);
-						}, function (err) {
-							if (!err) {
-								next();
-							} else {
-								winston.error('Could not set up categories');
-							}
-						});
-					});
-				} else {
-					winston.info('Categories OK. Found ' + data.categories.length + ' categories.');
-					next();
-				}
-			});
-		},
-		function (next) {
-			// Default plugins
-			var Plugins = require('./plugins');
-
-			winston.info('Enabling default plugins');
-
-			var defaultEnabled = [
-				'nodebb-plugin-markdown', 'nodebb-plugin-mentions', 'nodebb-widget-essentials'
-			];
-
-			async.each(defaultEnabled, function (pluginId, next) {
-				Plugins.isActive(pluginId, function (err, active) {
-					if (!active) {
-						Plugins.toggleActive(pluginId, function () {
-							next();
-						});
-					} else {
-						next();
-					}
-				});
-			}, next);
-		},
-		function (next) {
-			var	db = require('./database.js');
-
-			db.init(function(err) {
-				if (!err) {
-					db.setObjectField('widgets:global', 'footer', "[{\"widget\":\"html\",\"data\":{\"html\":\"<footer id=\\\"footer\\\" class=\\\"container footer\\\">\\r\\n\\t<div class=\\\"copyright\\\">\\r\\n\\t\\tCopyright © 2014 <a target=\\\"_blank\\\" href=\\\"https://www.nodebb.com\\\">NodeBB Forums</a> | <a target=\\\"_blank\\\" href=\\\"//github.com/designcreateplay/NodeBB/graphs/contributors\\\">Contributors</a>\\r\\n\\t</div>\\r\\n</footer>\",\"title\":\"\",\"container\":\"\"}}]", next);
-				}
-			});
-		},
-		function (next) {
-			require('./upgrade').upgrade(next);
-		}
-	], function (err) {
-		if (err) {
-			winston.warn('NodeBB Setup Aborted. ' + err.message);
-			process.exit();
-		} else {
-			callback();
-		}
-	});
-};
-
-install.createAdmin = function(callback) {
 	var User = require('./user'),
 		Groups = require('./groups');
 
@@ -486,6 +428,82 @@ install.createAdmin = function(callback) {
 
 		success(null, results);
 	}
+}
+
+function createCategories(next) {
+	// Categories
+	var Categories = require('./categories');
+
+	Categories.getAllCategories(0, function (err, data) {
+		if (data.categories.length === 0) {
+			winston.warn('No categories found, populating instance with default categories');
+
+			fs.readFile(path.join(__dirname, '../', 'install/data/categories.json'), function (err, default_categories) {
+				default_categories = JSON.parse(default_categories);
+
+				async.eachSeries(default_categories, function (category, next) {
+					Categories.create(category, next);
+				}, function (err) {
+					if (!err) {
+						next();
+					} else {
+						winston.error('Could not set up categories');
+					}
+				});
+			});
+		} else {
+			winston.info('Categories OK. Found ' + data.categories.length + ' categories.');
+			next();
+		}
+	});
+}
+
+function enableDefaultPlugins(next) {
+	// Default plugins
+	var Plugins = require('./plugins');
+
+	winston.info('Enabling default plugins');
+
+	var defaultEnabled = [
+		'nodebb-plugin-markdown', 'nodebb-plugin-mentions', 'nodebb-widget-essentials'
+	];
+
+	async.each(defaultEnabled, function (pluginId, next) {
+		Plugins.isActive(pluginId, function (err, active) {
+			if (!active) {
+				Plugins.toggleActive(pluginId, function () {
+					next();
+				});
+			} else {
+				next();
+			}
+		});
+	}, next);
+}
+
+function populateDatabase(next) {
+	var	db = require('./database.js');
+
+	db.init(function(err) {
+		if (!err) {
+			db.setObjectField('widgets:global', 'footer', "[{\"widget\":\"html\",\"data\":{\"html\":\"<footer id=\\\"footer\\\" class=\\\"container footer\\\">\\r\\n\\t<div class=\\\"copyright\\\">\\r\\n\\t\\tCopyright © 2014 <a target=\\\"_blank\\\" href=\\\"https://www.nodebb.com\\\">NodeBB Forums</a> | <a target=\\\"_blank\\\" href=\\\"//github.com/designcreateplay/NodeBB/graphs/contributors\\\">Contributors</a>\\r\\n\\t</div>\\r\\n</footer>\",\"title\":\"\",\"container\":\"\"}}]", next);
+		}
+	});
+}
+
+install.setup = function (callback) {
+	async.series([checkSetupFlags, checkCIFlags, setupConfig, setupDefaultConfigs, enableDefaultTheme, createAdministrator, createCategories, enableDefaultPlugins, populateDatabase,
+		function (next) {
+			require('./upgrade').upgrade(next);
+		}
+	], function (err) {
+		if (err) {
+			winston.warn('NodeBB Setup Aborted. ' + err.message);
+			process.exit();
+		} else {
+			callback();
+		}
+	});
 };
 
 install.save = function (server_conf, callback) {