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<?php |
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/** |
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* Epson Server Direct Print provider adapter. |
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* |
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* @package WCPOS\WooCommercePOS\Services\Providers |
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*/ |
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|
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namespace WCPOS\WooCommercePOS\Services\Providers; |
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|
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use WCPOS\WooCommercePOS\Interfaces\Provider_Adapter_Interface; |
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|
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/** |
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* Epson_Sdp_Adapter class. |
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*/ |
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class Epson_Sdp_Adapter implements Provider_Adapter_Interface { |
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/** |
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* Return the ePOS-Print XML content type. |
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* |
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* @return string |
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*/ |
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public function content_type(): string { |
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return 'application/xml'; |
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} |
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|
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/** |
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* Resolve ePOS-Print XML format data. |
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* |
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* @param array $printer Printer configuration. |
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* @param array $template Template configuration. |
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* |
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* @return array{kind:string, content_type:string} |
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*/ |
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public function format( array $printer, array $template ): array { |
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if ( 'thermal' !== (string) ( $template['engine'] ?? '' ) ) { |
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return array( |
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'kind' => '', |
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'content_type' => '', |
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); |
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} |
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|
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return array( |
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'kind' => 'epos-xml', |
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'content_type' => $this->content_type(), |
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); |
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} |
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|
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/** |
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* Build an ePOS-Print XML diagnostic. |
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* |
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* @param string $printer_name Printer display name. |
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* |
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* @return array{content_type:string, payload:string} |
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*/ |
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public function diagnostic( string $printer_name ): array { |
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$name = (string) preg_replace( '/[\x00-\x1F\x7F]/', '', $printer_name ); |
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$text = "WCPOS - Cloud Print Test\nPrinter: " . $name . "\n"; |
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$text .= 'Date: ' . gmdate( 'Y-m-d H:i' ) . "\nIf you can read this, printing works!\n"; |
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// Three blank lines before the cut, the same bottom margin the receipt |
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// templates use, so the last line is not flush against the blade. |
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$xml = '<epos-print xmlns="http://www.epson-pos.com/schemas/2011/03/epos-print">' |
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. '<text>' . esc_html( $text ) . '</text><feed line="3"/><cut type="feed"/></epos-print>'; |
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|
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return array( |
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'content_type' => $this->content_type(), |
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'payload' => base64_encode( $xml ), |
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); |
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} |
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|
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/** |
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* Resolve polling status. |
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* |
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* @param array $printer Printer configuration. |
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* @param array $context Runtime status context. |
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* |
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* @return string |
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*/ |
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public function status( array $printer, array $context ): string { |
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$relay = $context['relay_status'] ?? null; |
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if ( \is_array( $relay ) && 'blocked' === ( $relay['origin_status'] ?? '' ) ) { |
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return 'blocked'; |
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} |
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if ( \is_array( $relay ) && null !== ( $relay['last_seen_seconds_ago'] ?? null ) && (int) $relay['last_seen_seconds_ago'] <= (int) $context['seen_ttl'] ) { |
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return 'connected'; |
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} |
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|
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$seen = (int) ( $context['seen'] ?? 0 ); |
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if ( 0 === $seen ) { |
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return 'waiting'; |
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} |
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|
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return ( (int) $context['now'] - $seen ) <= (int) $context['seen_ttl'] ? 'connected' : 'offline'; |
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} |
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} |
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|
