Initial

includes/class-lcp-paywall.php

@@ -0,0 +1,141 @@
+<?php
+
+if (!defined('ABSPATH')) exit;
+
+class LCP_Paywall {
+    private $rules;
+    private $admin;
+
+    public function init() {
+        $this->rules = new LCP_Paywall_Rules();
+        
+        if (is_admin()) {
+            $this->admin = new LCP_Paywall_Admin();
+        }
+
+        add_action('init', array($this, 'init_hooks'));
+        add_filter('the_content', array($this, 'maybe_restrict_content'), 999);
+    }
+
+    public function init_hooks() {
+        // Register scripts and styles
+        add_action('admin_enqueue_scripts', array($this, 'register_admin_assets'));
+    }
+
+    public function register_admin_assets() {
+        wp_register_style(
+            'lcp-paywall-admin',
+            LCP_PAYWALL_URL . 'assets/css/admin.css',
+            array(),
+            LCP_PAYWALL_VERSION
+        );
+
+        wp_register_script(
+            'lcp-paywall-admin',
+            LCP_PAYWALL_URL . 'assets/js/admin.js',
+            array('jquery', 'jquery-ui-sortable'),
+            LCP_PAYWALL_VERSION,
+            true
+        );
+    }
+
+    public function maybe_restrict_content($content) {
+        if (!is_singular()) return $content;
+
+        $post_type = get_post_type();
+        $post_id = get_the_ID();
+        
+        if ($this->should_restrict_access($post_type, $post_id)) {
+            return $this->get_nag_message();
+        }
+
+        return $content;
+    }
+
+    private function should_restrict_access($post_type, $post_id) {
+        $post_type_rules = $this->rules->get_rules_for_post_type($post_type);
+        
+        // Get default lock status
+        $default_lock_status = isset($post_type_rules['settings']['default_lock_status']) ? 
+            $post_type_rules['settings']['default_lock_status'] === 'locked' : true;
+
+        // If no rules exist, use default lock status
+        if (empty($post_type_rules['rules'])) {
+            return $default_lock_status;
+        }
+
+        // Check each rule in order until one evaluates to true
+        foreach ($post_type_rules['rules'] as $rule) {
+            if ($this->evaluate_rule($rule, $post_id)) {
+                // First matching rule determines the lock status
+                return $rule['action'] === 'lock';
+            }
+        }
+
+        // If no rules match, use default lock status
+        return $default_lock_status;
+    }
+
+    private function evaluate_rule($rule, $post_id) {
+        if ($rule['condition'] === 'user') {
+            return $this->evaluate_user_rule($rule);
+        } else if ($rule['condition'] === 'post') {
+            return $this->evaluate_post_rule($rule, $post_id);
+        }
+        return false;
+    }
+
+    private function evaluate_user_rule($rule) {
+        if ($rule['value_type'] === 'logged_in') {
+            $is_logged_in = is_user_logged_in();
+            
+            switch ($rule['operator']) {
+                case '=':
+                case 'is':
+                    return $is_logged_in;
+                case '!=':
+                case 'isnot':
+                    return !$is_logged_in;
+                default:
+                    return false;
+            }
+        }
+        return false;
+    }
+
+    private function evaluate_post_rule($rule, $post_id) {
+        if ($rule['value_type'] === 'taxonomy' && !empty($rule['taxonomy']) && !empty($rule['term'])) {
+            $terms = wp_get_post_terms($post_id, $rule['taxonomy'], array('fields' => 'ids'));
+            
+            if (is_wp_error($terms)) {
+                return false;
+            }
+
+            switch ($rule['operator']) {
+                case '=':
+                case 'in':
+                    return in_array((int)$rule['term'], $terms);
+                case '!=':
+                case 'notin':
+                    return !in_array((int)$rule['term'], $terms);
+                default:
+                    return false;
+            }
+        }
+        return false;
+    }
+
+    private function get_nag_message() {
+        $settings = get_option('lcp_paywall_settings', array());
+        $message = isset($settings['nag_message']) ? $settings['nag_message'] : '';
+        
+        if (empty($message)) {
+            $message = '<div class="lcp-paywall-nag">
+                <h3>This content is locked</h3>
+                <p>Please upgrade your subscription to access this content.</p>
+            </div>';
+        }
+
+        return apply_filters('lcp_paywall_nag_message', $message);
+    }
+}