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<?php |
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/** |
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* Overlay the builder's unsaved form values on a document model so the |
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* live preview shows what is being typed, not what was last saved. |
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* |
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* @package EasyInvoice |
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*/ |
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|
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namespace EasyInvoice\Helpers; |
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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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class PreviewOverlay { |
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|
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/** |
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* @param object $model Invoice or Quote model (may be empty/new). |
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* @param string $form_data URL-encoded form serialisation from the builder. |
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* @param string $type 'invoice' or 'quote'. |
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* @return object The same model, with the posted values applied. |
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*/ |
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public static function apply( $model, string $form_data, string $type = 'invoice' ) { |
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if ( '' === $form_data || ! is_object( $model ) ) { |
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return $model; |
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} |
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parse_str( $form_data, $data ); |
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$data = wp_unslash( $data ); |
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if ( ! is_array( $data ) ) { |
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return $model; |
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} |
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// Both models strip the same prefix in setMetaData(). |
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$prefix = '_easy_invoice_'; |
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$scalar = [ 'title', 'number', 'issue_date', 'due_date', 'expiry_date', 'notes', 'terms', 'description', 'footer_text', 'status', |
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'discount_type', 'discount_value', 'discount_calculation_method', 'tax_enabled', 'tax_rate', 'prices_include_tax', |
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'currency_code', 'customer_name', 'customer_email', 'customer_address', 'customer_vat_number', 'customer_country', 'client_id' ]; |
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foreach ( $scalar as $key ) { |
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if ( ! array_key_exists( $key, $data ) ) { |
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continue; |
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} |
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$value = is_scalar( $data[ $key ] ) ? sanitize_textarea_field( (string) $data[ $key ] ) : ''; |
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if ( is_callable( [ $model, 'setMetaData' ] ) ) { |
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$model->setMetaData( $prefix . $key, $value ); |
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} |
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} |
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// A checkbox that is absent from the serialisation is unchecked. |
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if ( ! array_key_exists( 'tax_enabled', $data ) && is_callable( [ $model, 'setMetaData' ] ) ) { |
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$model->setMetaData( $prefix . 'tax_enabled', '0' ); |
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} |
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if ( ! empty( $data['items'] ) && is_array( $data['items'] ) ) { |
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$items = []; |
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foreach ( $data['items'] as $row ) { |
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if ( ! is_array( $row ) ) { |
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continue; |
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} |
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$name = sanitize_text_field( (string) ( $row['title'] ?? $row['name'] ?? '' ) ); |
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$qty = (float) ( $row['quantity'] ?? 0 ); |
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$price = (float) str_replace( ',', '', (string) ( $row['price'] ?? 0 ) ); |
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if ( '' === $name && 0.0 === $qty && 0.0 === $price ) { |
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continue; |
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} |
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$items[] = [ |
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'name' => $name, |
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'title' => $name, |
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'description' => sanitize_textarea_field( (string) ( $row['description'] ?? '' ) ), |
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'quantity' => $qty, |
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'price' => $price, |
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'amount' => round( $qty * $price, 2 ), |
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'total' => round( $qty * $price, 2 ), |
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// The form is posted serialised, so an unchecked box is simply absent — |
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// absent means not taxable, as it does when the invoice is saved. |
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'taxable' => ! empty( $row['taxable'] ) && '0' !== (string) $row['taxable'] ? '1' : '0', |
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'adjust_percentage' => (float) ( $row['adjust_percentage'] ?? $row['adjust'] ?? 0 ), |
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]; |
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} |
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if ( is_callable( [ $model, 'setItems' ] ) ) { |
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$model->setItems( $items ); |
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} |
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} |
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if ( ! empty( $data['client_id'] ) && is_callable( [ $model, 'populateClientInfo' ] ) ) { |
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$model->populateClientInfo(); |
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} |
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if ( is_callable( [ $model, 'calculateTotals' ] ) ) { |
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$model->calculateTotals(); |
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} |
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return $model; |
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} |
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} |
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|
