zeysdk/lib/index.js

SDK for ZeyOS

var mod = {};

var help = require('./_help.js');
var read = require('read');
var ora = require('ora');
var term = require('terminal-kit').terminal;
var lockFile = require('lockfile');

// Get needed arguments
var args = process.argv.slice(2); 
var check_files_result;

// Create a method for each command
mod.add = require('./commands/add');
mod.compare = require('./commands/compare');
mod.create = require('./commands/create');
mod.delete = require('./commands/delete');
mod.help = require('./commands/help');
mod.link = require('./commands/link');
mod.pull = require('./commands/pull');
mod.push = require('./commands/push');
mod.remove = require('./commands/remove');
mod.rename = require('./commands/rename');
mod.run = require('./commands/run');
mod.status = require('./commands/status');
mod.sync = require('./commands/sync');
mod.unlink = require('./commands/unlink');
mod.update = require('./commands/update');
mod.use = require('./commands/use');
mod.version = require('./commands/version');
mod.whoami = require('./commands/whoami');
mod.watch = require('./commands/watch');

// Private methods - helper methods not designed to be called from the command line
mod._checkFiles = function(cb) {
	return true;
}

mod._ask = function(input, hide, cb) {
	var spinner = mod._spinner;
	var selected_index;
	spinner.stop();
	if(typeof hide == 'function') {
		cb = hide;
		hide = false;
	}

	if(typeof input == 'string') {
		read({prompt: input, silent: hide}, function(err, response) {
			if(err) {
				cb(new Error('Input canceled.'));
			} else {
				spinner.start();
				cb(null, response);
			}
		});
	} else if(Array.isArray(input)) {
		if(!hide) {
			input = ['Cancel...'].concat(input);
		}
		if(hide === true) {
			selected_index = 0;
		} else if(hide > 0) {
			selected_index = hide;
		} else {
			selected_index = 0;
		}
		term.singleColumnMenu(input, {exitOnUnexpectedKey: true, selectedIndex: selected_index}, function(err, response) {
			term.grabInput(false);
			if(!hide) {
				if(err || typeof response.selectedIndex == 'undefined' || response.selectedIndex == 0) {
					cb(new Error('Input canceled.'));
				} else {
					cb(null, response.selectedIndex - 1);
				}
			} else {
				if(err || typeof response.selectedIndex == 'undefined') {
					cb(new Error('Input canceled.'));
				} else {
					cb(null, response.selectedIndex);
				}
			}
		});
	} else if(typeof input == 'object' && typeof hide == 'string') {
		term.on('key', function( name , matches , data ) {
			if(name === 'CTRL_C') { 
				cb(new Error('Input canceled.'));
			}
		});
		term(hide);
		term.inputField(input, function(err, response) {
			if(err) {
				cb(new Error('Input canceled.'));
			} else {
				cb(null, response);
			}
		});
	}
}

mod._api = require('./_api');
mod._spinner = ora({color: 'blue', text: 'Processing'});
mod._echo = function(input) {
	mod._spinner.stop();
	console.log(input);
	mod._spinner.start();
};
mod._lock = function(input) {
	var file = '.zeysdk.sync.json.lock';
	if(lockFile.checkSync(file)) {
		console.log('Error: \nThe .zeysdk.sync.json file is currently locked (another process is being ran).');
		process.exit();
	}
	lockFile.lockSync(file);
};

// If we are not testing, run the method called
if(!process.env.TEST) {
	mod._lock();
	mod._spinner.start();
	// if no args or the method doesn't exist, run help
	// methods that start with an underscore should not be callable
	if(args.length && args[0].slice(0, 1) != '_' && typeof mod[args[0]] == 'function') {
		check_files_result = mod._checkFiles();
		if(check_files_result) {
			mod[args[0]](args.slice(1), function(err, contents) {
				mod._spinner.stop();
				if(err) {
					if(help.messages[err]) {
						process.stderr.write(help.messages[err]);
						process.stderr.write('\n');
						process.exitCode = 1;
					} else {
						process.stderr.write(err.toString());
						process.stderr.write('\n');
						process.exitCode = 1;
					}
				} else {
					//process.stdout.write('Success: Command completed.');
					//process.stdout.write('\n');

					if(contents) {
						process.stdout.write(contents);
						//process.stdout.write('\n');
					}
				}
				process.exit();
			});
		} else {
			mod._spinner.stop();
			process.stderr.write(check_files_result);
			process.stderr.write('\n');
			process.exitCode = 1;
			process.exit();
		}
	} else {
		mod._spinner.stop();
		mod['help'](args, function(err, contents) {
			if(err) {
				process.stderr.write(err.toString());
				process.stderr.write('\n');
				process.exitCode = 1;
			} else {
				process.stdout.write(contents);
				process.stdout.write('\n');
			}
			process.exit();
		});
	}
}


module.exports = mod;