Expert Rating Wordpress Extension
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In this second tutorial we will create the styles and scripts for our WordPress Rating Plugin. It requires those to function and display properly on each page, post or any content type for which we have decided to get ratings.In the previous tutorial on creating the, we have created our dashboard pages. Now, before we begin I want you to go there and select which content type you want to rate. If we leave that empty, we won’t see our pop-up anywhere. Displaying the WordPress Rating PluginThe logic behind the displaying of our plugin is pretty simple. We will check the cookies and see if the current content ID is there.
If it is not there, it will mean that our visitor has not rated that content.We will need to use the action templateredirect to check if we are on a single content page and if the ID has been set. The first instinct was to use the action init but this action starts before we even know on which page are we and thus we can’t know if we are on a single content page.Add this code to our plugin file rating-plugin.php:In this function we are getting our content types that we want to rate with the getoption function.
If we are on a single content page and that content type is saved inside our rating content, we will need to show the rating pop-up.Before we decide to show it, we will check the $COOKIE. If that cookie is set and it has the ID of our current content, we will not show it. Otherwise, we will call two other actions that will add our style and script ( wpenqueuescripts) and place the pop-up HTML in the footer ( wpfooter). Adding the Styles and ScriptsWordPress API provides us with the functions wpenqueuestyle and wpenqueuescripts that we can use add our styles and scripts. Add this code now:Before we enqueue our script, we will also use the function wplocalizescript.
With that function we will have a global JavaScript object rcobject. This object will contain the url to perform AJAX calls, WordPress nonce and also some translatable text to use inside our script. Plugin StyleThe style will be defined inside another file rating.css. Create that file inside our plugin folder and then add this:Plugin ScriptThe script is also defined in another file rating.js. Create that one also and then add this:In this script we have registered two functions. The first one will trigger when we click on the element #toggleRating to show and hide the pop-up.
The second one will trigger when we click on the submit button #submitRating.When someone tries to submit the rating, we will get the checked rating value. If there is a value, we will get the current content’s ID and then perform an AJAX call.
In this AJAX call we are creating a POST request with the action submitrating, content ID, nonce and the rating value.If the AJAX return a successful response, we will hide the rating buttons and show a “Thank You” message. Otherwise, we will just show the error before the rating buttons. Processing the AJAX RequestWe need to hook a function that will process the rating value and add it to our content. WordPress will create a dynamic hook with our provided action submitrating. We will allow logged in users and regular visitors to rate the content. This requires us to use two action hooks.
Add this code now:You can now see those two hooks at the beginning. In our function, we are checking for the WordPress nonce. If that nonce is invalid, it will automatically stop processing and return -1.We are getting the value from our $COOKIE and also the content ID. After that, if the content ID is not inside the array of our $COOKIE, we will save that rating inside our cookie and add it to our content.The rating value is added to our content using the addpostmeta with the key rcrating.
This is also what we use for creating our table of Ratings inside the administration.We are adding the content ID inside our $COOKIE. All the values that we are storing inside are encoded in base64 since the array can’t be stored inside the cookie and only serializing it won’t make the difference. Rendering the WordPress Rating Plugin Pop-up. Pop-UpThe last part is the function that we have hooked to the action wpfooter. This function will create the required HTML for our pop-up to work.
Add this code:You can change the value of the variable $ratingValues to get more or less rating options. Since we want our pop-up to be opened at first load, we applying the class active to both #toggleRating and #entryRating.The content ID is being added as an attribute data-rate to #submitRating as required by our script. ConclusionIn this tutorial we have completed our custom WordPress Rating Plugin that is pretty simple to use and to get data on your content. You can freely use it on your own site if you want. Before using it, you might consider minifying both the style and script.We have learned a bit more on managing cookies and also handling DOM with JavaScript (AJAX).Do you intend to use this plugin or do you have one you are using already? Please share it below in the comments. Hi Shoaib, since each comment is having their rating stored in their meta table, the query could be a bit complex and really slow since you would need to find out which comment belongs to which post and such.
Wordpress Customer Review Plugin
What I would also do, on each rating submission (or with a CRON), recalculate the average rating of that post and save the average rating into the postmeta of that post. Then you can easily get top 5 with a single query through WPQuery and metaquery.
Expert Rating Wordpress Extension Reviews
You can read the WP Codex here: about ordering with metaquery. When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. This information might be about you, your preferences or your device and is mostly used to make the site work as you expect it to. The information does not usually directly identify you, but it can give you a more personalized web experience.Because we respect your right to privacy, you can choose not to allow some types of cookies.
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