Initial commit: WooCommerce Email Discount Manager plugin
This commit is contained in:
kristianwind
@@ -0,0 +1,195 @@
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<?php
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/**
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* Shipping rules admin.
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*
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* @package WC_Email_Discount_Manager
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Configure per-group show/hide rules for shipping methods.
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*/
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class WC_EDM_Admin_Shipping {
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/**
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* Handle save actions for the shipping tab. Runs on admin_init.
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*/
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public function handle_actions() {
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if ( ! isset( $_POST['wc_edm_action'] ) || 'save_shipping_rules' !== $_POST['wc_edm_action'] ) {
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return;
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}
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check_admin_referer( 'wc_edm_save_shipping_rules' );
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$group_id = isset( $_POST['group_id'] ) ? absint( $_POST['group_id'] ) : 0;
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if ( ! $group_id || ! WC_EDM_DB::get_group( $group_id ) ) {
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wp_safe_redirect( WC_EDM_Helpers::admin_url( array( 'tab' => 'shipping', 'message' => 'error' ) ) );
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exit;
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}
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$order = isset( $_POST['method_order'] ) && is_array( $_POST['method_order'] )
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? array_map( 'sanitize_text_field', wp_unslash( $_POST['method_order'] ) )
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: array();
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$raw_rules = isset( $_POST['rule'] ) && is_array( $_POST['rule'] )
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? array_map( 'sanitize_text_field', wp_unslash( $_POST['rule'] ) )
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: array();
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$known_methods = WC_EDM_Helpers::get_all_shipping_methods();
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// Rules are replaced wholesale: only methods with an explicit show/hide choice are stored.
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$rules = array();
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foreach ( $order as $index => $method_id ) {
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if ( ! isset( $known_methods[ $method_id ] ) ) {
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continue;
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}
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$action = isset( $raw_rules[ $method_id ] ) ? $raw_rules[ $method_id ] : '';
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if ( ! in_array( $action, array( 'show', 'hide' ), true ) ) {
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continue;
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}
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$rules[] = array(
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'shipping_method_id' => $method_id,
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'action' => $action,
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'sort_order' => $index,
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);
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}
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WC_EDM_DB::replace_shipping_rules( $group_id, $rules );
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wp_safe_redirect(
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WC_EDM_Helpers::admin_url(
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array(
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'tab' => 'shipping',
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'group_id' => $group_id,
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'message' => 'saved',
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)
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)
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);
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exit;
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}
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/**
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* Render the shipping rules tab.
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*/
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public function render() {
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$groups = WC_EDM_DB::get_groups();
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?>
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<h2><?php esc_html_e( 'Shipping Rules', 'wc-email-discount' ); ?></h2>
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<p class="description">
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<?php esc_html_e( 'Choose which shipping methods are shown or hidden for customers in a discount group. If a group has no rules, all shipping methods behave normally. If any method is set to "Show", only "Show" methods are offered.', 'wc-email-discount' ); ?>
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</p>
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<?php if ( empty( $groups ) ) : ?>
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<p>
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<?php esc_html_e( 'Create a discount group first to configure shipping rules.', 'wc-email-discount' ); ?>
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<a href="<?php echo esc_url( WC_EDM_Helpers::admin_url( array( 'tab' => 'groups', 'action' => 'new' ) ) ); ?>">
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<?php esc_html_e( 'Add Discount Group', 'wc-email-discount' ); ?>
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</a>
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</p>
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<?php return; ?>
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<?php endif; ?>
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<?php
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$group_id = isset( $_GET['group_id'] ) ? absint( $_GET['group_id'] ) : 0; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
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?>
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<form method="get" action="<?php echo esc_url( admin_url( 'admin.php' ) ); ?>" class="wc-edm-group-selector">
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<input type="hidden" name="page" value="wc-email-discounts">
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<input type="hidden" name="tab" value="shipping">
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<label for="wc-edm-shipping-group"><?php esc_html_e( 'Discount group:', 'wc-email-discount' ); ?></label>
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<select id="wc-edm-shipping-group" name="group_id">
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<option value=""><?php esc_html_e( '— Select a group —', 'wc-email-discount' ); ?></option>
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<?php foreach ( $groups as $group ) : ?>
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<option value="<?php echo esc_attr( (int) $group->id ); ?>" <?php selected( $group_id, (int) $group->id ); ?>>
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<?php echo esc_html( $group->name ); ?>
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</option>
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<?php endforeach; ?>
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</select>
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<button type="submit" class="button"><?php esc_html_e( 'Select', 'wc-email-discount' ); ?></button>
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</form>
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<?php
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if ( ! $group_id || ! WC_EDM_DB::get_group( $group_id ) ) {
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return;
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}
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$this->render_rules_form( $group_id );
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}
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/**
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* Render the rules form for a selected group.
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*
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* @param int $group_id Group ID.
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*/
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private function render_rules_form( $group_id ) {
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$methods = WC_EDM_Helpers::get_all_shipping_methods();
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$rules = WC_EDM_DB::get_shipping_rules( $group_id );
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if ( empty( $methods ) ) {
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echo '<p>' . esc_html__( 'No shipping methods found. Configure shipping zones in WooCommerce first.', 'wc-email-discount' ) . '</p>';
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return;
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}
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// Existing rules by method id, and the display order: ruled methods first (by sort_order), then the rest.
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$rules_by_method = array();
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foreach ( $rules as $rule ) {
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$rules_by_method[ $rule->shipping_method_id ] = $rule;
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}
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$ordered_keys = array_merge(
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array_values( array_intersect( array_keys( $rules_by_method ), array_keys( $methods ) ) ),
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array_values( array_diff( array_keys( $methods ), array_keys( $rules_by_method ) ) )
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);
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?>
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<form method="post" action="<?php echo esc_url( WC_EDM_Helpers::admin_url( array( 'tab' => 'shipping' ) ) ); ?>">
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<?php wp_nonce_field( 'wc_edm_save_shipping_rules' ); ?>
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<input type="hidden" name="wc_edm_action" value="save_shipping_rules">
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<input type="hidden" name="group_id" value="<?php echo esc_attr( $group_id ); ?>">
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<ul id="wc-edm-shipping-methods" class="wc-edm-sortable wc-edm-shipping-list">
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<?php foreach ( $ordered_keys as $method_id ) : ?>
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<?php
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$method = $methods[ $method_id ];
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$action = isset( $rules_by_method[ $method_id ] ) ? $rules_by_method[ $method_id ]->action : '';
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?>
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<li>
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<span class="dashicons dashicons-menu wc-edm-drag-handle"></span>
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<span class="wc-edm-item-label">
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<strong><?php echo esc_html( $method['label'] ); ?></strong>
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<span class="wc-edm-item-meta"><?php echo esc_html( $method['zone'] ); ?> · <code><?php echo esc_html( $method_id ); ?></code></span>
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</span>
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<span class="wc-edm-rule-options">
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<label>
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<input type="radio" name="rule[<?php echo esc_attr( $method_id ); ?>]" value="" <?php checked( $action, '' ); ?>>
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<?php esc_html_e( 'Default', 'wc-email-discount' ); ?>
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</label>
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<label>
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<input type="radio" name="rule[<?php echo esc_attr( $method_id ); ?>]" value="show" <?php checked( $action, 'show' ); ?>>
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<?php esc_html_e( 'Show', 'wc-email-discount' ); ?>
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</label>
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<label>
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<input type="radio" name="rule[<?php echo esc_attr( $method_id ); ?>]" value="hide" <?php checked( $action, 'hide' ); ?>>
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<?php esc_html_e( 'Hide', 'wc-email-discount' ); ?>
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</label>
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</span>
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<input type="hidden" name="method_order[]" value="<?php echo esc_attr( $method_id ); ?>">
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</li>
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<?php endforeach; ?>
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</ul>
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<p class="description"><?php esc_html_e( 'Drag to reorder — the order here controls the order shipping methods appear in at checkout.', 'wc-email-discount' ); ?></p>
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<p class="submit">
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<button type="submit" class="button button-primary"><?php esc_html_e( 'Save Shipping Rules', 'wc-email-discount' ); ?></button>
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</p>
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</form>
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<?php
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}
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}
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