ls_linker.js

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$(function() {

	// enable this to clear the password for debugging
	//chrome.storage.sync.clear(function() {console.log('storage cleared');});

	var $info = $('#info');
	var $btn_submit = $('#btn-submit');
	
	var $lslp_form = $('#lslp-form');
	var $url = $('#url');
	var $title = $('#title');
	var $error = $('#error');

	var $password_form = $('#password-form');
	var $password = $('#password');


	var submitted = true; // disable initially
	var mode = 0; // 0 for lslp, 1 for password
	var password = '';

	// function to get the current active url
	function getCurrentTabUrl(callback) {
		var queryInfo = {
			active: true,
			currentWindow: true
		};
		chrome.tabs.query(queryInfo, function(tabs) {
			var url = tabs[0].url;
			console.assert(typeof url == 'string', 'tab.url should be a string');
			callback(url);
		});
	}

	// submit function
	function lslpFormSubmit() {

		// if we've already submitted, exit
		if (submitted) {
			return;
		}

		// make sure title is non-empty
		if ($title.val() === '') {
			$error.text('Title must be non-empty!');
			return;
		} else {
			$error.text('');
		}

		// disable submit btn, notify user we are submitting
		submitted = true;
		$btn_submit.text('Submitting...');
		
		// build request body
		data = {
			'link': $url.val(),
			'title': $title.val(),
			'auth_token': password,
		};

		// make ajax call
		// in case you were curious, this is where I broke down and got jQuery
		$.ajax({
			url: 'https://lucassimpson.com/api/v1/fun_links/',
			method: 'POST',
			contentType: 'application/json',
			crossDomain: true,
			data: JSON.stringify(data),
			success: function(result) {
				console.log(result);
				$btn_submit.text('Success!');
			},
			error: function(jqXHR, textStatus, errorThrown) {
				console.log('error');
				console.log(jqXHR.responseText);
				$btn_submit.text('Error :(');
			}
		});

		return;
	}

	// password form submit
	function passwordFormSubmit() {
		chrome.storage.sync.set({'lslp_password': $password.val()}, function() {
			console.log('password set');
			password = $password.val();
			mode = 0;
			$btn_submit.text('Save')
			$lslp_form.toggle();
			$password_form.toggle();
			$info.text('');
		});

		return;
	}

	// on submit function
	function onSubmit() {
		if (mode === 0) {
			return lslpFormSubmit();
		} else {
			return passwordFormSubmit();
		}
	}

	// submit listener
	$btn_submit.click(onSubmit);

	// bind enter key to submit
	document.onkeydown = function (e) {
		e = e || window.event;
		switch (e.which || e.keyCode) {
			case 13 : onSubmit();
				break;
		}
	}

	// disable password default
	$password_form.toggle();

	// autofill current URL
	getCurrentTabUrl(function(url) {  
		$url.val(url);
	});

	// check local storage
	chrome.storage.sync.get('lslp_password', function(vals) {

		if (vals['lslp_password']) {

			// password is set, save it
			password = vals['lslp_password'];

		} else {

			// no password, get password and save
			mode = 1;
			$btn_submit.text('Save Password.')
			$lslp_form.toggle();
			$password_form.toggle();
			$info.text('No password found, please enter it:');
		
		}
	});

	// enable when everything is set up
	submitted = false;
});