feedOwn.js

var googlePlusFeed = new GoogleFeed(settings.id);

function initFeed() {
	var feedEntries = googlePlusFeed.entries;
	var totalPosts = feedEntries.length;
	var currentPosts = settings.feedPosts;
	var postsIncrement = settings.postsIncrement;
	var postsLimit = 0;
	var showMore = false;
	var i = 0;
	var j = currentPosts;
	var str = '';

	// Check to see if there are enough user posts to show on first load
	currentPosts = totalPosts < currentPosts ? totalPosts : currentPosts;

	if (totalPosts > 0) {
		// Posts exist for the given Google+ ID
		for (; i < currentPosts; i++) {
			str += stringBuilder(i);
		}

		screenName.children('a').attr('href', googlePlusFeed.url).text(googlePlusFeed.screenName);
		profileImage.attr('href', googlePlusFeed.url);
		profileImage.append('<img src="' + googlePlusFeed.image + '">');

		content.html(str); // Update feed

		content.animate({scrollTop: 0}, 1); // Force scroll to top of content                        
		wrapper.fadeIn(300); // Show the content
	} else {
		// No posts exist for the given Google+ ID
		wrapper.children().remove();
		errorMessage.text(settings.lang.errorEmpty);
		retryButton.text(settings.lang.retryEmpty);
		errorMessage.append(retryButton);
		wrapper.append(errorMessage);
		wrapper.fadeIn(300); // Show the content

		// Refresh button functionality
		wrapper.find('.retry').click(function() {
			wrapper.children().remove();
			wrapper.append(loader);
			loader.show();
			googlePlusFeed.getFeed(); // Try again
		});
	}

		// Show more button functionality
	showMoreButton.click(function() {
		if (postsLimit <= totalPosts) {
			postsLimit += showMore ? postsIncrement : currentPosts + postsIncrement;
			postsLimit = postsLimit > totalPosts ? totalPosts : postsLimit;

			for (; j < postsLimit; j++) {
				str += stringBuilder(j);

				if (j === (totalPosts - 1)) {
					showMoreButton.unbind('click').addClass('link');
					showMoreButton.text(settings.lang.viewMore).click(function() {
						window.open(googlePlusFeed.url);
					});
				}
			}

			content.animate({scrollTop: content[0].scrollHeight}, 500);
			showMore = true;
		}

		content.html(str); // Update feed
	});


	function stringBuilder(e) {
		// Generates the HTML for each post
		var newStr = '';

		newStr += '<div class="feed_post post_' + (e + 1) + '">';
		newStr += '<span>' + settings.lang.shared + formatTime(e, settings.lang.langCode) + '</span>';
		newStr += '<p>' + feedEntries[e].contentSnippet + '</p>';
		newStr += '<a href="' + feedEntries[e].link + '" target="_blank">' + settings.lang.viewPost + '</a>';
		newStr += '</div>';

		return newStr;
	}

	function formatTime(e, lang) {
		// Generates language friendly time strings
		var formattedTime = '';
		var abbreviatedMonths = [
			'Jan', 'Feb', 'Mar',
			'Apr', 'May', 'Jun',
			'Jul', 'Aug', 'Sep',
			'Oct', 'Nov', 'Dec'
		];
		var monthsToNum = [
			'01', '02', '03',
			'04', '05', '06',
			'07',' 08', '09',
			'10', '11', '12'
		];

		if (lang === 'en') {
			formattedTime = feedEntries[e].publishedDate.substr(0, 16);
		} else {
			var timeArray = $.trim(feedEntries[e].publishedDate.substr(0, 16).split(',')[1]).split(' ');
			formattedTime = timeArray[0] + '.' + monthsToNum[abbreviatedMonths.indexOf(timeArray[1])] + '.' + timeArray[2];
		}
		return formattedTime;
	}
}

function GoogleFeed(id) {
	var self = this;
	self.id = id;
	self.image = 'https://plus.google.com/s2/photos/profile/' + self.id + '?sz=' + settings.profileImageSize;
	self.url = 'https://plus.google.com/' + self.id;
	self.init = function() {
		initFeed();
	};

	self.getFeed = function() {
		$.ajax({
			// Retrieve RSS feed using a handy Google API and http://plusfeed.frosas.net
			url: 'http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=' + settings.maxPosts + '&callback=?&q=' + encodeURIComponent('http://plusfeed.frosas.net/' + self.id),
			dataType: 'json',
			success: function(response) {
				try {
					// Find and trim data to fit our needs
					self.raw = response; // Used for debugging
					var title = response.responseData.feed.title;
					self.screenName = title.substr(0, (title.indexOf('@') - 1));
					self.entries = response.responseData.feed.entries;

					self.entries.forEach(function(entry) {
						// Overwrite the default contentSnippet that gets returned with a cleaner version
						entry.contentSnippet = $(entry.content).first().html();
					});

					// Preload profile image and only show content thereafter
					$('<img src="' + self.image + '">').load(function() {
						loader.fadeOut(300, function() {
							loader.remove();
							self.init();
						});
					});
				} catch (error) {
					loader.fadeOut(300, function() {
						wrapper.children().remove();
						errorMessage.text(settings.lang.errorGeneral);
						retryButton.text(settings.lang.retryGeneral);
						errorMessage.append(retryButton);
						wrapper.append(errorMessage);
						wrapper.fadeIn(300); // Show the content

						// Retry button functionality
						wrapper.find('.retry').click(function() {
							wrapper.children().remove();
							wrapper.append(loader);
							loader.show();
							self.getFeed(); // Try again
						});
					});
				}
			}
		});
	};

	self.getFeed();
}