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Edit File: chat-order-buttons.php

<?php
/**
 * Plugin Name: Advaxe Chat & Call Order Buttons
 * Description: Adds full-width Call, WhatsApp, and Messenger order buttons on WooCommerce single product pages (after the Add to Cart button). Prefills WhatsApp with product title + link.
 * Version: 1.1.2
 * Author: Advaxe
 * Requires at least: 5.5
 * Requires PHP: 7.2
 * License: GPLv2 or later
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

class Advaxe_Chat_Order_Buttons {
    const OPT_KEY = 'advaxe_chat_order_buttons_opts';

public function __construct() {
        add_action( 'admin_init', [ $this, 'maybe_set_defaults' ] );
        add_action( 'admin_menu', [ $this, 'register_settings_page' ] );
        add_action( 'admin_init', [ $this, 'register_settings' ] );
        add_action( 'woocommerce_after_add_to_cart_form', [ $this, 'render_buttons' ] );
        add_action( 'wp_enqueue_scripts', [ $this, 'enqueue_styles' ] );
    }

public function maybe_set_defaults() {
        $opts = get_option( self::OPT_KEY );
        if ( ! $opts ) {
            $defaults = [
                'call_number'   => '',
                'wa_number'     => '',
                'fb_username'   => '',
                'wa_text'       => 'হোয়াটসঅ্যাপ',
                'call_text'     => 'কল করুন',
                'fb_text'       => 'মেসেঞ্জারে অর্ডার করুন',
                'enable_call'   => 1,
                'enable_wa'     => 1,
                'enable_fb'     => 1,
                'desktop_only'  => 0,
                'mobile_only'   => 0,
                'show_on_types' => [ 'simple' ],
            ];
            add_option( self::OPT_KEY, $defaults );
        }
    }

public function register_settings_page() {
        add_submenu_page(
            'woocommerce',
            __( 'Chat & Call Buttons', 'advaxe' ),
            __( 'Chat & Call Buttons', 'advaxe' ),
            'manage_woocommerce',
            'advaxe-chat-order-buttons',
            [ $this, 'settings_page_html' ]
        );
    }

public function register_settings() {
        register_setting( 'advaxe_chat_order_buttons_group', self::OPT_KEY, [ $this, 'sanitize_options' ] );

add_settings_section( 'advaxe_main', __( 'Button Settings', 'advaxe' ), function () {
            echo '<p>' . esc_html__( 'Configure Call, WhatsApp, and Messenger order buttons.', 'advaxe' ) . '</p>';
        }, 'advaxe_chat_order_buttons' );

add_settings_field( 'wa_number', __( 'WhatsApp Number', 'advaxe' ), [ $this, 'field_wa_number' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
        add_settings_field( 'wa_text', __( 'WhatsApp Button Text', 'advaxe' ), [ $this, 'field_wa_text' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
        add_settings_field( 'enable_wa', __( 'Enable WhatsApp Button', 'advaxe' ), [ $this, 'field_enable_wa' ], 'advaxe_chat_order_buttons', 'advaxe_main' );

add_settings_field( 'call_number', __( 'Call Number', 'advaxe' ), [ $this, 'field_call_number' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
        add_settings_field( 'call_text', __( 'Call Button Text', 'advaxe' ), [ $this, 'field_call_text' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
        add_settings_field( 'enable_call', __( 'Enable Call Button', 'advaxe' ), [ $this, 'field_enable_call' ], 'advaxe_chat_order_buttons', 'advaxe_main' );

add_settings_field( 'fb_username', __( 'Messenger Page/User', 'advaxe' ), [ $this, 'field_fb_username' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
        add_settings_field( 'fb_text', __( 'Messenger Button Text', 'advaxe' ), [ $this, 'field_fb_text' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
        add_settings_field( 'enable_fb', __( 'Enable Messenger Button', 'advaxe' ), [ $this, 'field_enable_fb' ], 'advaxe_chat_order_buttons', 'advaxe_main' );

add_settings_field( 'visibility', __( 'Visibility', 'advaxe' ), [ $this, 'field_visibility' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
        add_settings_field( 'types', __( 'Show on product types', 'advaxe' ), [ $this, 'field_types' ], 'advaxe_chat_order_buttons', 'advaxe_main' );
    }

public function sanitize_options( $input ) {
        $output = get_option( self::OPT_KEY, [] );

$output['call_number']  = isset( $input['call_number'] ) ? preg_replace( '/[^0-9+]/', '', $input['call_number'] ) : '';
        $output['wa_number']    = isset( $input['wa_number'] ) ? preg_replace( '/[^0-9]/', '', $input['wa_number'] ) : '';
        $output['fb_username']  = isset( $input['fb_username'] ) ? sanitize_text_field( $input['fb_username'] ) : '';

$output['call_text']    = isset( $input['call_text'] ) ? sanitize_text_field( $input['call_text'] ) : '';
        $output['wa_text']      = isset( $input['wa_text'] ) ? sanitize_text_field( $input['wa_text'] ) : '';
        $output['fb_text']      = isset( $input['fb_text'] ) ? sanitize_text_field( $input['fb_text'] ) : '';

$output['enable_call']  = isset( $input['enable_call'] ) ? (int) !! $input['enable_call'] : 0;
        $output['enable_wa']    = isset( $input['enable_wa'] ) ? (int) !! $input['enable_wa'] : 0;
        $output['enable_fb']    = isset( $input['enable_fb'] ) ? (int) !! $input['enable_fb'] : 0;

$output['desktop_only'] = isset( $input['desktop_only'] ) ? (int) !! $input['desktop_only'] : 0;
        $output['mobile_only']  = isset( $input['mobile_only'] ) ? (int) !! $input['mobile_only'] : 0;

$output['show_on_types'] = isset( $input['show_on_types'] ) && is_array( $input['show_on_types'] )
            ? array_values( array_intersect( [ 'simple', 'variable', 'external', 'grouped' ], array_map( 'sanitize_text_field', $input['show_on_types'] ) ) )
            : [ 'simple' ];

return $output;
    }

public function field_call_number() {
        $opts = get_option( self::OPT_KEY );
        ?>
        <input type="text" name="<?php echo esc_attr( self::OPT_KEY ); ?>[call_number]" value="<?php echo esc_attr( $opts['call_number'] ?? '' ); ?>" class="regular-text" placeholder="+8801XXXXXXXXX">
        <p class="description"><?php esc_html_e( 'Use international format. Example: +8801XXXXXXXXX', 'advaxe' ); ?></p>
        <?php
    }

public function field_call_text() {
        $opts = get_option( self::OPT_KEY );
        ?>
        <input type="text" name="<?php echo esc_attr( self::OPT_KEY ); ?>[call_text]" value="<?php echo esc_attr( $opts['call_text'] ?? '' ); ?>" class="regular-text">
        <?php
    }

public function field_enable_call() {
        $opts = get_option( self::OPT_KEY );
        ?>
        <label><input type="checkbox" name="<?php echo esc_attr( self::OPT_KEY ); ?>[enable_call]" value="1" <?php checked( ! empty( $opts['enable_call'] ) ); ?>> <?php esc_html_e( 'Enable', 'advaxe' ); ?></label>
        <?php
    }

public function field_wa_number() { $opts = get_option( self::OPT_KEY ); ?>
        <input type="text" name="<?php echo esc_attr( self::OPT_KEY ); ?>[wa_number]" value="<?php echo esc_attr( $opts['wa_number'] ?? '' ); ?>" class="regular-text" placeholder="8801XXXXXXXXX">
        <?php
    }

public function field_wa_text() { $opts = get_option( self::OPT_KEY ); ?>
        <input type="text" name="<?php echo esc_attr( self::OPT_KEY ); ?>[wa_text]" value="<?php echo esc_attr( $opts['wa_text'] ?? '' ); ?>" class="regular-text">
        <?php
    }

public function field_enable_wa() { $opts = get_option( self::OPT_KEY ); ?>
        <label><input type="checkbox" name="<?php echo esc_attr( self::OPT_KEY ); ?>[enable_wa]" value="1" <?php checked( ! empty( $opts['enable_wa'] ) ); ?>> <?php esc_html_e( 'Enable', 'advaxe' ); ?></label>
        <?php
    }

public function field_fb_username() { $opts = get_option( self::OPT_KEY ); ?>
        <input type="text" name="<?php echo esc_attr( self::OPT_KEY ); ?>[fb_username]" value="<?php echo esc_attr( $opts['fb_username'] ?? '' ); ?>" class="regular-text" placeholder="yourpageusername">
        <?php
    }

public function field_fb_text() { $opts = get_option( self::OPT_KEY ); ?>
        <input type="text" name="<?php echo esc_attr( self::OPT_KEY ); ?>[fb_text]" value="<?php echo esc_attr( $opts['fb_text'] ?? '' ); ?>" class="regular-text">
        <?php
    }

public function field_enable_fb() { $opts = get_option( self::OPT_KEY ); ?>
        <label><input type="checkbox" name="<?php echo esc_attr( self::OPT_KEY ); ?>[enable_fb]" value="1" <?php checked( ! empty( $opts['enable_fb'] ) ); ?>> <?php esc_html_e( 'Enable', 'advaxe' ); ?></label>
        <?php
    }

public function field_visibility() {
        $opts = get_option( self::OPT_KEY );
        ?>
        <label style="margin-right:1em;"><input type="checkbox" name="<?php echo esc_attr( self::OPT_KEY ); ?>[desktop_only]" value="1" <?php checked( ! empty( $opts['desktop_only'] ) ); ?>> Desktop only</label>
        <label><input type="checkbox" name="<?php echo esc_attr( self::OPT_KEY ); ?>[mobile_only]" value="1" <?php checked( ! empty( $opts['mobile_only'] ) ); ?>> Mobile only</label>
        <?php
    }

public function field_types() {
        $opts = get_option( self::OPT_KEY );
        $types = [ 'simple' => 'Simple', 'variable' => 'Variable', 'external' => 'External', 'grouped' => 'Grouped' ];
        foreach ( $types as $slug => $label ) : ?>
            <label style="margin-right:1em;display:inline-block">
                <input type="checkbox" name="<?php echo esc_attr( self::OPT_KEY ); ?>[show_on_types][]" value="<?php echo esc_attr( $slug ); ?>" <?php checked( in_array( $slug, $opts['show_on_types'] ?? [], true ) ); ?>>
                <?php echo esc_html( $label ); ?>
            </label>
        <?php endforeach;
    }

public function settings_page_html() {
        if ( ! current_user_can( 'manage_woocommerce' ) ) return; ?>
        <div class="wrap">
            <h1><?php esc_html_e( 'Advaxe Chat & Call Order Buttons', 'advaxe' ); ?></h1>
            <form method="post" action="options.php">
                <?php
                settings_fields( 'advaxe_chat_order_buttons_group' );
                do_settings_sections( 'advaxe_chat_order_buttons' );
                submit_button();
                ?>
            </form>
        </div>
    <?php }

public function enqueue_styles() {
        // Google Fonts থেকে Hind Siliguri ইম্পোর্ট করা হলো
        wp_enqueue_style( 'advaxe-hind-siliguri', 'https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@600;700&display=swap', [], null );

$css = '.advaxe-chat-order-wrap { margin-top: -10px; display: flex; flex-direction: row; flex-wrap: wrap; gap: 10px; }
        .advaxe-chat-order-btn { font-family: "Hind Siliguri", sans-serif; display: flex; align-items: center; justify-content: center; gap: 6px; flex: 1; min-width: 140px; text-align: center; padding: 12px 10px; border-radius: 8px; font-weight: 700; font-size: 16px; text-decoration: none; line-height: 1; box-sizing: border-box; transition: all 0.2s ease-in-out; }
        .advaxe-chat-call { background: #F87315; color: #fff; }
        .advaxe-chat-wa { background: #25D366; color: #fff; }
        .advaxe-chat-fb { background: #0084FF; color: #fff; }
        .advaxe-chat-order-btn:hover { opacity: .9; color: #fff; }
        .advaxe-chat-order-btn svg { width: 18px; height: 18px; fill: currentColor; }';
        
        wp_register_style( 'advaxe-chat-order-buttons', false );
        wp_enqueue_style( 'advaxe-chat-order-buttons' );
        wp_add_inline_style( 'advaxe-chat-order-buttons', $css );
    }

private function device_visible( $opts ) {
        $is_mobile = wp_is_mobile();
        if ( ! empty( $opts['desktop_only'] ) && $is_mobile ) return false;
        if ( ! empty( $opts['mobile_only'] ) && ! $is_mobile ) return false;
        return true;
    }

public function render_buttons() {
        if ( ! function_exists( 'is_product' ) || ! is_product() ) return;
        global $product;
        if ( ! $product || ! is_a( $product, 'WC_Product' ) ) return;

$opts = get_option( self::OPT_KEY, [] );
        if ( empty( $opts ) || ! $this->device_visible( $opts ) ) return;

$type = $product->get_type();
        $allowed = $opts['show_on_types'] ?? [ 'simple' ];
        if ( ! in_array( $type, $allowed, true ) ) return;

$title = get_the_title( $product->get_id() );
        $link  = get_permalink( $product->get_id() );

$buttons_html = '';

$wa_icon = '<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51a12.8 12.8 0 00-.57-.01c-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z"/></svg>';
        $call_icon = '<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M20.01 15.38c-1.23 0-2.42-.2-3.53-.56a.977.977 0 00-1.01.24l-1.57 1.97c-2.83-1.35-5.48-3.9-6.89-6.83l1.95-1.66c.27-.28.35-.67.24-1.02-.37-1.11-.56-2.3-.56-3.53 0-.54-.45-.99-.99-.99H4.19C3.65 3 3 3.24 3 3.99 3 13.28 10.73 21 20.01 21c.71 0 .99-.63.99-1.18v-3.45c0-.54-.45-.99-.99-.99z"/></svg>';
        $fb_icon = '<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.477 2 2 6.14 2 11.25c0 2.91 1.492 5.513 3.843 7.185V22l3.498-1.923c.85.234 1.742.36 2.659.36 5.523 0 10-4.14 10-9.25S17.523 2 12 2zm1.093 12.35l-2.775-2.955-5.414 2.955 5.952-6.32 2.84 2.956 5.348-2.956-5.951 6.32z"/></svg>';

// 1. WhatsApp (Left Side)
        if ( ! empty( $opts['enable_wa'] ) && ! empty( $opts['wa_number'] ) ) {
            $msg = sprintf( __( 'আমি %1$s নিতে চাই। লিংক: %2$s', 'advaxe' ), $title, $link );
            $wa_url = 'https://wa.me/' . rawurlencode( $opts['wa_number'] ) . '?text=' . rawurlencode( $msg );
            $buttons_html .= sprintf(
                '<a class="advaxe-chat-order-btn advaxe-chat-wa" href="%1$s" target="_blank" rel="noopener">%2$s %3$s</a>',
                esc_url( $wa_url ),
                $wa_icon,
                esc_html( $opts['wa_text'] ?: 'হোয়াটসঅ্যাপ' )
            );
        }

// 2. Call button (Right Side)
        if ( ! empty( $opts['enable_call'] ) && ! empty( $opts['call_number'] ) ) {
            $call_url = 'tel:' . preg_replace( '/[^0-9+]/', '', $opts['call_number'] );
            $buttons_html .= sprintf(
                '<a class="advaxe-chat-order-btn advaxe-chat-call" href="%1$s">%2$s %3$s</a>',
                esc_url( $call_url ),
                $call_icon,
                esc_html( $opts['call_text'] ?: 'কল করুন' )
            );
        }

// 3. Messenger (Optional if enabled)
        if ( ! empty( $opts['enable_fb'] ) && ! empty( $opts['fb_username'] ) ) {
            $m_username = trim( $opts['fb_username'] );
            $msg_param  = rawurlencode( $link );
            $fb_web  = 'https://m.me/' . rawurlencode( $m_username ) . '?ref=' . $msg_param;
            $buttons_html .= sprintf(
                '<a class="advaxe-chat-order-btn advaxe-chat-fb" href="%1$s" target="_blank" rel="noopener">%2$s %3$s</a>',
                esc_url( $fb_web ),
                $fb_icon,
                esc_html( $opts['fb_text'] ?: 'মেসেঞ্জারে অর্ডার করুন' )
            );
        }

if ( $buttons_html ) {
            echo '<div class="advaxe-chat-order-wrap">' . $buttons_html . '</div>';
        }
    }
}

new Advaxe_Chat_Order_Buttons();