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Enhancement Features #2

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Open
Enhancement Features#2

Description

@vapvarun
vapvarun
opened on May 19, 2025

Email Customizer Plugin - Enhancement Features

1. Advanced Template System

1.1 Drag & Drop Email Builder

Purpose: Visual email template builder for non-technical users

Features:

  • Component-based email building
  • Real-time preview
  • Reusable email components
  • Template library

Implementation:

// Create admin/class-template-builder.php
class Email_Customizer_Template_Builder {
    public function render_builder_page() {
        wp_enqueue_script('wec-template-builder', 
            plugin_dir_url(__FILE__) . 'js/template-builder.js', 
            array('jquery', 'wp-util'), 
            EMAIL_CUSTOMIZER_FOR_WOOCOMMERCE_VERSION, 
            true
        );
        
        wp_localize_script('wec-template-builder', 'wecBuilder', array(
            'ajax_url' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('wec_builder_nonce'),
            'components' => $this->get_available_components(),
        ));
        
        include plugin_dir_path(__FILE__) . 'partials/template-builder.php';
    }
    
    public function get_available_components() {
        return array(
            'header' => array(
                'name' => __('Header', 'email-customizer-for-woocommerce'),
                'icon' => 'dashicons-header',
                'settings' => array(
                    'background_color' => array(
                        'type' => 'color',
                        'label' => __('Background Color', 'email-customizer-for-woocommerce'),
                        'default' => '#ffffff'
                    ),
                    'logo' => array(
                        'type' => 'image',
                        'label' => __('Logo', 'email-customizer-for-woocommerce'),
                    ),
                ),
            ),
            'product_grid' => array(
                'name' => __('Product Grid', 'email-customizer-for-woocommerce'),
                'icon' => 'dashicons-grid-view',
                'settings' => array(
                    'columns' => array(
                        'type' => 'select',
                        'options' => array('1' => '1', '2' => '2', '3' => '3'),
                        'default' => '2',
                    ),
                ),
            ),
        );
    }
}

// Create admin/js/template-builder.js
class EmailTemplateBuilder {
    constructor() {
        this.canvas = document.getElementById('template-canvas');
        this.sidebar = document.getElementById('component-sidebar');
        this.components = [];
        
        this.init();
    }
    
    init() {
        this.setupDragDrop();
        this.setupComponentSelection();
    }
    
    addComponent(type, position) {
        const component = {
            id: 'comp_' + Date.now(),
            type: type,
            settings: this.getDefaultSettings(wecBuilder.components[type]),
            position: position
        };
        
        this.components.push(component);
        this.renderComponent(component);
    }
    
    saveTemplate() {
        const templateData = {
            components: this.components,
            settings: this.getGlobalSettings()
        };
        
        jQuery.ajax({
            url: wecBuilder.ajax_url,
            type: 'POST',
            data: {
                action: 'wec_save_template',
                nonce: wecBuilder.nonce,
                template_data: templateData
            },
            success: (response) => {
                if (response.success) {
                    alert('Template saved successfully!');
                }
            }
        });
    }
}

1.2 Conditional Email Content

Purpose: Dynamic content based on customer data

Features:

  • Customer segmentation rules
  • Personalization tokens
  • A/B testing support
  • Dynamic product recommendations

Implementation:

// Create includes/class-conditional-content.php
class Email_Customizer_Conditional_Content {
    public function parse_conditions($content, $customer_data) {
        // Parse conditional tags like {{if customer.total_spent > 100}}
        $pattern = '/\{\{if\s+(.+?)\}\}(.*?)\{\{\/if\}\}/s';
        return preg_replace_callback($pattern, function($matches) use ($customer_data) {
            $condition = $matches[1];
            $content = $matches[2];
            
            if ($this->evaluate_condition($condition, $customer_data)) {
                return $content;
            }
            return '';
        }, $content);
    }
    
    public function add_personalization_tokens($content, $customer_data) {
        $tokens = array(
            '{{customer.first_name}}' => $customer_data['first_name'],
            '{{customer.total_orders}}' => $customer_data['total_orders'],
            '{{customer.total_spent}}' => wc_price($customer_data['total_spent']),
            '{{recommended_products}}' => $this->get_recommended_products($customer_data),
        );
        
        return str_replace(array_keys($tokens), array_values($tokens), $content);
    }
    
    private function get_recommended_products($customer_data) {
        // AI-based product recommendations
        $recommendations = $this->get_ai_recommendations($customer_data);
        return $this->render_product_grid($recommendations);
    }
}

2. Email Automation Workflows

2.1 Trigger-Based Email Sequences

Purpose: Automated email campaigns based on customer actions

Features:

  • Multiple trigger types
  • Delay and scheduling
  • Conditional branches
  • Performance tracking

Implementation:

// Create includes/class-email-automation.php
class Email_Customizer_Automation_Manager {
    public function create_workflow($config) {
        $workflow = array(
            'id' => uniqid('workflow_'),
            'name' => $config['name'],
            'trigger' => $config['trigger'],
            'steps' => $config['steps'],
            'status' => 'active',
            'stats' => array('triggered' => 0, 'completed' => 0),
        );
        
        $workflows = get_option('wec_automation_workflows', array());
        $workflows[$workflow['id']] = $workflow;
        update_option('wec_automation_workflows', $workflows);
        
        return $workflow['id'];
    }
    
    public function register_triggers() {
        add_action('user_register', array($this, 'handle_customer_registered'));
        add_action('woocommerce_order_status_completed', array($this, 'handle_order_completed'));
        add_action('wec_cart_abandoned', array($this, 'handle_cart_abandoned'));
    }
    
    public function handle_customer_registered($user_id) {
        $context = array(
            'user_id' => $user_id,
            'trigger' => 'customer_registered',
        );
        
        $this->trigger_workflows('customer_registered', $context);
    }
    
    private function trigger_workflows($trigger_type, $context) {
        $workflows = get_option('wec_automation_workflows', array());
        
        foreach ($workflows as $workflow) {
            if ($workflow['trigger']['type'] === $trigger_type) {
                $this->start_workflow_execution($workflow['id'], $context);
            }
        }
    }
}

// Workflow step types
class Email_Workflow_Steps {
    // Email step
    public function execute_email_step($step, $context) {
        $email_content = $this->process_template($step['template'], $context);
        wp_mail($context['customer_email'], $step['subject'], $email_content);
    }
    
    // Delay step
    public function execute_delay_step($step, $context) {
        $delay_seconds = $this->convert_delay($step['amount'], $step['unit']);
        wp_schedule_single_event(time() + $delay_seconds, 'wec_continue_workflow', array($context));
    }
    
    // Condition step
    public function execute_condition_step($step, $context) {
        if ($this->evaluate_condition($step['condition'], $context)) {
            return $step['yes_step'];
        }
        return $step['no_step'];
    }
}

2.2 Advanced Workflow Builder Interface

Purpose: Visual workflow creation tool

Implementation:

// Create admin/js/workflow-builder.js
class WorkflowBuilder {
    constructor() {
        this.canvas = document.getElementById('workflow-canvas');
        this.steps = [];
        this.connections = [];
        
        this.init();
    }
    
    addStep(type, position) {
        const step = {
            id: 'step_' + Date.now(),
            type: type,
            position: position,
            config: this.getDefaultStepConfig(type)
        };
        
        this.steps.push(step);
        this.renderStep(step);
    }
    
    connectSteps(from, to) {
        this.connections.push({ from, to });
        this.renderConnection(from, to);
    }
    
    saveWorkflow() {
        const workflowData = {
            steps: this.steps,
            connections: this.connections
        };
        
        // Save via AJAX
        this.sendToServer(workflowData);
    }
}

3. Advanced Analytics & A/B Testing

3.1 Email Performance Analytics

Purpose: Comprehensive email performance tracking

Features:

  • Open rates and click tracking
  • Conversion tracking
  • Heat map analysis
  • ROI calculations

Implementation:

// Create includes/class-analytics-manager.php
class Email_Customizer_Analytics_Manager {
    public function track_email_open($tracking_id) {
        $tracking_data = get_option("wec_email_open_{$tracking_id}");
        
        if ($tracking_data && !$tracking_data['opened']) {
            $tracking_data['opened'] = true;
            $tracking_data['opened_at'] = current_time('mysql');
            $tracking_data['ip_address'] = $this->get_client_ip();
            
            update_option("wec_email_open_{$tracking_id}", $tracking_data);
            
            // Send to analytics providers
            $this->send_to_analytics('email_open', $tracking_data);
        }
    }
    
    public function generate_tracking_pixel($email_data) {
        $tracking_id = uniqid('track_');
        
        update_option("wec_email_open_{$tracking_id}", array(
            'email_type' => $email_data['type'],
            'recipient' => $email_data['recipient'],
            'sent_at' => current_time('mysql'),
            'opened' => false,
        ));
        
        return add_query_arg(array(
            'wec-track' => 'open',
            'wec-id' => $tracking_id,
        ), site_url());
    }
    
    public function get_email_performance($date_range = '30 days') {
        global $wpdb;
        
        $stats = array(
            'total_sent' => 0,
            'total_opened' => 0,
            'total_clicked' => 0,
            'open_rate' => 0,
            'click_rate' => 0,
        );
        
        // Calculate stats from tracking data
        $tracking_options = $wpdb->get_results("
            SELECT option_name, option_value 
            FROM {$wpdb->options} 
            WHERE option_name LIKE 'wec_email_open_%'
        ");
        
        foreach ($tracking_options as $option) {
            $data = maybe_unserialize($option->option_value);
            $stats['total_sent']++;
            
            if ($data['opened']) {
                $stats['total_opened']++;
            }
        }
        
        $stats['open_rate'] = $stats['total_sent'] > 0 ? 
            ($stats['total_opened'] / $stats['total_sent']) * 100 : 0;
        
        return $stats;
    }
}

3.2 A/B Testing Framework

Purpose: Split testing for email optimization

Implementation:

// Create includes/class-ab-testing.php
class Email_Customizer_AB_Testing {
    public function create_test($config) {
        $test = array(
            'id' => uniqid('test_'),
            'name' => $config['name'],
            'email_type' => $config['email_type'],
            'variants' => $config['variants'],
            'traffic_split' => $config['traffic_split'] ?? array(50, 50),
            'success_metric' => $config['success_metric'] ?? 'open_rate',
            'status' => 'active',
            'results' => array(
                'variant_a' => array('sent' => 0, 'conversions' => 0),
                'variant_b' => array('sent' => 0, 'conversions' => 0),
            ),
        );
        
        $tests = get_option('wec_active_ab_tests', array());
        $tests[$test['id']] = $test;
        update_option('wec_active_ab_tests', $tests);
        
        return $test['id'];
    }
    
    public function determine_variant($test, $recipient) {
        // Use consistent hash for recipient
        $hash = hexdec(substr(md5($recipient), 0, 8));
        $percentage = $hash % 100;
        
        return $percentage < $test['traffic_split'][0] ? 'variant_a' : 'variant_b';
    }
    
    public function calculate_statistical_significance($test_results) {
        $rate_a = $test_results['variant_a']['conversions'] / $test_results['variant_a']['sent'];
        $rate_b = $test_results['variant_b']['conversions'] / $test_results['variant_b']['sent'];
        
        // Perform z-test
        return $this->z_test($rate_a, $rate_b, 
            $test_results['variant_a']['sent'], 
            $test_results['variant_b']['sent']
        );
    }
}

4. CRM & Marketing Platform Integrations

4.1 CRM Integration Framework

Purpose: Sync email data with popular CRM systems

Features:

  • Salesforce integration
  • HubSpot connectivity
  • Custom API support
  • Real-time synchronization

Implementation:

// Create includes/integrations/class-crm-integration.php
class Email_Customizer_CRM_Integration {
    private $active_integrations = array();
    
    public function init_integrations() {
        $enabled = get_option('wec_enabled_crm_integrations', array());
        
        foreach ($enabled as $integration) {
            switch ($integration) {
                case 'salesforce':
                    $this->init_salesforce();
                    break;
                case 'hubspot':
                    $this->init_hubspot();
                    break;
            }
        }
    }
    
    private function init_salesforce() {
        $config = get_option('wec_salesforce_config');
        if ($config) {
            $this->active_integrations['salesforce'] = new SalesforceAPI($config);
        }
    }
    
    public function sync_email_activity($email_type, $recipient, $activity) {
        foreach ($this->active_integrations as $platform => $api) {
            try {
                $this->sync_to_platform($platform, $api, $email_type, $recipient, $activity);
            } catch (Exception $e) {
                error_log("CRM sync failed for {$platform}: " . $e->getMessage());
            }
        }
    }
}

// Salesforce API integration
class SalesforceAPI {
    private $access_token;
    private $instance_url;
    
    public function authenticate($config) {
        // OAuth authentication
        $response = wp_remote_post('https://login.salesforce.com/services/oauth2/token', array(
            'body' => array(
                'grant_type' => 'password',
                'client_id' => $config['client_id'],
                'client_secret' => $config['client_secret'],
                'username' => $config['username'],
                'password' => $config['password'] . $config['security_token'],
            ),
        ));
        
        $data = json_decode(wp_remote_retrieve_body($response), true);
        $this->access_token = $data['access_token'];
        $this->instance_url = $data['instance_url'];
    }
    
    public function create_email_activity($data) {
        $url = $this->instance_url . '/services/data/v54.0/sobjects/EmailMessage';
        
        wp_remote_post($url, array(
            'headers' => array(
                'Authorization' => 'Bearer ' . $this->access_token,
                'Content-Type' => 'application/json',
            ),
            'body' => json_encode($data),
        ));
    }
}

4.2 MailChimp Integration

Purpose: Sync email campaigns with MailChimp

Implementation:

// Create includes/integrations/class-mailchimp-integration.php
class Email_Customizer_MailChimp_Integration {
    private $api_key;
    private $datacenter;
    
    public function __construct($api_key) {
        $this->api_key = $api_key;
        $parts = explode('-', $api_key);
        $this->datacenter = array_pop($parts);
    }
    
    public function sync_template($template_data) {
        $url = "https://{$this->datacenter}.api.mailchimp.com/3.0/templates";
        
        $response = wp_remote_post($url, array(
            'headers' => array(
                'Authorization' => 'Basic ' . base64_encode('user:' . $this->api_key),
                'Content-Type' => 'application/json',
            ),
            'body' => json_encode(array(
                'name' => $template_data['name'],
                'html' => $template_data['html'],
                'folder_id' => $template_data['folder_id'] ?? null,
            )),
        ));
        
        return json_decode(wp_remote_retrieve_body($response), true);
    }
    
    public function create_campaign($template_id, $list_id, $subject) {
        $url = "https://{$this->datacenter}.api.mailchimp.com/3.0/campaigns";
        
        wp_remote_post($url, array(
            'headers' => array(
                'Authorization' => 'Basic ' . base64_encode('user:' . $this->api_key),
                'Content-Type' => 'application/json',
            ),
            'body' => json_encode(array(
                'type' => 'regular',
                'recipients' => array('list_id' => $list_id),
                'settings' => array(
                    'subject_line' => $subject,
                    'template_id' => $template_id,
                ),
            )),
        ));
    }
}

5. Advanced Customization Features

5.1 Custom CSS Editor

Purpose: Advanced styling capabilities

Implementation:

// Add to customizer controls
public function add_advanced_customizer_controls($wp_customize) {
    $wp_customize->add_section('wc_email_advanced', array(
        'title' => __('Advanced Styling', 'email-customizer-for-woocommerce'),
        'panel' => 'wc_email_header',
        'priority' => 100,
    ));
    
    $wp_customize->add_setting('woocommerce_email_custom_css', array(
        'type' => 'option',
        'transport' => 'postMessage',
    ));
    
    $wp_customize->add_control(new WP_Customize_Code_Editor_Control(
        $wp_customize,
        'wc_email_custom_css',
        array(
            'label' => __('Custom CSS', 'email-customizer-for-woocommerce'),
            'section' => 'wc_email_advanced',
            'settings' => 'woocommerce_email_custom_css',
            'code_type' => 'text/css',
        )
    ));
}

5.2 Dynamic Product Recommendations

Purpose: AI-powered product suggestions in emails

Implementation:

// Create includes/class-product-recommendations.php
class Email_Customizer_Product_Recommendations {
    public function get_recommendations($customer_id, $context = 'general') {
        $customer_data = $this->get_customer_data($customer_id);
        
        switch ($context) {
            case 'abandoned_cart':
                return $this->get_cart_recovery_products($customer_data);
            case 'post_purchase':
                return $this->get_cross_sell_products($customer_data);
            case 'win_back':
                return $this->get_win_back_products($customer_data);
            default:
                return $this->get_general_recommendations($customer_data);
        }
    }
    
    private function get_cross_sell_products($customer_data) {
        // Analyze purchase history
        $purchased_products = $customer_data['purchased_products'];
        $recommendations = array();
        
        foreach ($purchased_products as $product_id) {
            $cross_sells = get_post_meta($product_id, '_crosssell_ids', true);
            if ($cross_sells) {
                $recommendations = array_merge($recommendations, $cross_sells);
            }
        }
        
        // Apply ML algorithm for better recommendations
        return $this->apply_recommendation_algorithm($recommendations, $customer_data);
    }
    
    public function render_product_grid($products, $columns = 2) {
        $html = '<div class="wec-product-grid columns-' . $columns . '">';
        
        foreach ($products as $product_id) {
            $product = wc_get_product($product_id);
            if (!$product) continue;
            
            $html .= '<div class="wec-product-item">';
            $html .= '<img src="' . wp_get_attachment_image_url($product->get_image_id(), 'medium') . '" alt="' . $product->get_name() . '">';
            $html .= '<h3>' . $product->get_name() . '</h3>';
            $html .= '<p class="price">' . $product->get_price_html() . '</p>';
            $html .= '<a href="' . $product->get_permalink() . '" class="button">' . __('View Product', 'email-customizer-for-woocommerce') . '</a>';
            $html .= '</div>';
        }
        
        $html .= '</div>';
        return $html;
    }
}

6. Multi-Channel Support

6.1 SMS Integration

Purpose: Extend email workflows to SMS

Implementation:

// Create includes/class-sms-integration.php
class Email_Customizer_SMS_Integration {
    private $twilio_client;
    
    public function __construct() {
        if ($this->is_sms_enabled()) {
            $this->init_twilio();
            add_action('wec_workflow_step_sms', array($this, 'send_sms'), 10, 2);
        }
    }
    
    public function send_sms($phone_number, $message) {
        try {
            $this->twilio_client->messages->create($phone_number, array(
                'from' => get_option('wec_twilio_phone_number'),
                'body' => $message,
            ));
            
            return true;
        } catch (Exception $e) {
            error_log('SMS sending failed: ' . $e->getMessage());
            return false;
        }
    }
    
    public function add_sms_to_workflow($workflow_id, $step_config) {
        $workflows = get_option('wec_automation_workflows', array());
        
        if (isset($workflows[$workflow_id])) {
            $workflows[$workflow_id]['steps'][] = array(
                'type' => 'sms',
                'phone_field' => $step_config['phone_field'],
                'message' => $step_config['message'],
                'delay' => $step_config['delay'] ?? 0,
            );
            
            update_option('wec_automation_workflows', $workflows);
        }
    }
}

6.2 Social Media Integration

Purpose: Share email campaigns on social platforms

Implementation:

// Create includes/class-social-integration.php
class Email_Customizer_Social_Integration {
    public function share_to_facebook($campaign_data) {
        $facebook_config = get_option('wec_facebook_config');
        
        wp_remote_post('https://graph.facebook.com/v12.0/me/feed', array(
            'headers' => array(
                'Authorization' => 'Bearer ' . $facebook_config['access_token'],
            ),
            'body' => array(
                'message' => $campaign_data['message'],
                'link' => $campaign_data['link'],
            ),
        ));
    }
    
    public function create_instagram_story($campaign_data) {
        // Create Instagram story from email template
        $story_image = $this->generate_story_image($campaign_data);
        
        // Post to Instagram
        $this->post_to_instagram_stories($story_image, $campaign_data);
    }
    
    private function generate_story_image($campaign_data) {
        // Generate image from email template
        $html = $campaign_data['email_html'];
        
        // Convert HTML to image using headless browser or service
        return $this->html_to_image($html, array(
            'width' => 1080,
            'height' => 1920,
            'format' => 'png',
        ));
    }
}

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