Josef Wittmann

<p>Allows you to upload a set of coupon codes you want to distribute to your users. Each coupon is assumed to be used only once.</p>
<p>You can manage multiple sets of coupons from different sources.</p>
<p>Your users are shown a popup next time they visit the site. They have are only shown the coupon after clicking a button, to ensure interest.</p>
<h4>Usage</h4>
<p>After installing, you’ll find a new menu item in the admin area near the bottom called ‘Coupons’. All administration is done from there.</p>
<p>There are <em>coupons</em> and <em>(coupon) groups</em>.<br />
Each coupon belongs to exactly one group and has a value and expiry date.<br />
A group contains many coupons and defines the template that is shown to the users within a popup. By default, only logged in users can get coupons.</p>
<p>Start by creating a new group. Give it an unique name and write out the template.<br />
There are four buttons in the editor, which mark the speical areas for the popup. Highlight the according text and press the button to mark it up.</p>
<ul>
<li><strong>Action button</strong>: When this button is clicked, the coupon’s value will be fetched from the backend and displayed.</li>
<li><strong>Success area</strong>: This area is hidden until the coupon is fetched from the backend.</li>
<li><strong>Coupon value</strong>: This area will be <em>replaced</em> with the coupon’s value. Make sure to not include trailing whitespace, otherwise it may look ugly.</li>
<li><strong>Expiry date</strong>: This area will be <em>replaced</em> with the coupon’s expiry date. Make sure to not include trailing whitespace, otherwise it may look ugly.</li>
</ul>
<p>Save the group and add some coupons. You can add multiple coupons with the same expiry date. Just make sure that every coupon gets its own line (empty lines are ignored).</p>
<p>Now you’re ready to go. But you may want to have a look at the default settings. There you can adjust delays between events to not spam your users.</p>
<h4>Customization</h4>
<p>Most of the user-facing customization can be done in the group editor. If you want to change the users which should be able to get coupons, you can hook into the <code>unique_coupons_user_is_authorized_for_coupons</code> filter. Currently, there is no way to distribute coupons to anonymous users (keeping track is done server-side). So even if you allow this through this filter, it will not work.</p>
<h4>Shortcomings/Bugs</h4>
<ul>
<li>For now, data from this plugin will stay around after deleting it.</li>
<li>You can’t explicitly filter when the popup shouldn’t be shown. The best workaround is to hook into <code>unique_coupons_user_is_authorized_for_coupons</code>.</li>
</ul>
<h4>Contributing</h4>
<p>The source code is hosted on <a href="https://github.com/Josef37/unique-coupons" rel="nofollow ugc">Josef37/unique-coupons</a>.<br />
Feel free to create a new issue, when you have questions or feature requests, or consider making a pull request.<br />
There is a separate <a href="https://github.com/Josef37/unique-coupons/blob/main/README_DEV.md" rel="nofollow ugc">developer README</a>, which helps you set up the development environment.</p>
<p>If this plugin helped you in any way, I’d like to hear your feedback.</p>


Unique Coupons

Abiodun Paul Ogunnaike

<p><strong>Unique Field Guard For ACF</strong> is a WordPress plugin designed to ensure the uniqueness of Advanced Custom Fields (ACF) values. By automatically checking for duplicates during post saves, this plugin helps maintain data integrity and prevents the reuse of the same values across your site for fields that needs to be unique.</p>
<h3>Key Features</h3>
<ul>
<li><strong>Uniqueness Verification:</strong> Automatically checks for duplicate values in specified ACF fields.</li>
<li><strong>Admin Notices:</strong> Displays clear notifications if a duplicate value is found, guiding users to resolve the issue.</li>
<li><strong>Seamless Integration:</strong> Works with ACF and is compatible out of the box.</li>
<li><strong>Customizable Settings:</strong> Configure which ACF fields require uniqueness checks through the plugin’s settings.</li>
<li><strong>Secure and Reliable:</strong> Uses WordPress best practices for validation and redirection.</li>
</ul>
<h3>Installation</h3>
<ol>
<li>Upload the <code>unique-field-guard-for-acf</code> folder to the <code>/wp-content/plugins/</code> directory.</li>
<li>Activate the plugin through the ‘Plugins’ menu in WordPress.</li>
<li>Go to the ACF custom field under validation tab and activate the checkbox.</li>
</ol>
<h3>Usage</h3>
<ul>
<li>Once activated, the plugin will automatically check for duplicate values in the ACF fields you configure.</li>
<li>If a duplicate is detected, the user will be redirected back to the edit page with an admin notice informing them of the issue.</li>
</ul>
<h3>Advanced Field Type Support</h3>
<ul>
<li>Extend unique validation to more advanced field types, such as select fields, relationship fields, or repeater fields.</li>
<li>Added settings page to configure which fields require uniqueness checks.</li>
</ul>
<h3>Custom Error Handling</h3>
<ul>
<li>Allow users to define their own error messages for different scenarios.</li>
<li>Support for multiple languages and localization of error messages.</li>
</ul>
<h3>Dashboard and Reports</h3>
<ul>
<li>Generate and display reports on fields with duplicate values.</li>
<li>Provide an admin dashboard widget to monitor field uniqueness status.</li>
</ul>
<h3>Admin Interface Enhancements</h3>
<ul>
<li>Add visual indicators in the admin UI for fields that have uniqueness constraints.</li>
<li>Allow users to apply or remove unique constraints in bulk.</li>
</ul>
<h3>Enhanced Performance</h3>
<ul>
<li>Automate database indexing for fields with unique constraints.</li>
<li>implementation of caching mechanisms.</li>
</ul>
<h3>API Integration</h3>
<ul>
<li>Expose endpoints for managing and configuring unique field settings via the WordPress REST API.</li>
</ul>
<h3>User Permissions and Roles</h3>
<ul>
<li>Provide settings to control who can configure or manage unique constraints based on user roles.</li>
<li>Limit access to premium features based on user roles or subscription levels.</li>
</ul>
<h3>Support and Documentation</h3>
<ul>
<li>Offer dedicated support channels for premium users.</li>
<li>Provide detailed documentation, including video tutorials and advanced use cases.</li>
</ul>
<p>Join the waiting <a href="https://primastech.com/product/unique-field-guard-for-acf/" rel="nofollow ugc">Join the waiting List</a><br />
to be notified when the PRO version is released.</p>
<p>Upgrade to PRO <a href="https://primastech.com/product/unique-field-guard-for-acf/" rel="nofollow ugc">Upgrade to PRO</a></p>
<p>Thank you for using <strong>Unique Field Guard For ACF</strong>. Your feedback and suggestions are welcome!</p>


Unique Coupons vs Unique Field Guard For ACF