mirror of
https://github.com/opensourcepos/opensourcepos.git
synced 2026-02-02 05:31:10 -05:00
babddd524c
Use localStorage to store selected printer Add printer selection for invoice template Print after sale checkbox is now present in receivings and sales screen Remove print after sale options from receipt_config Add default translations to receivings_lang.csv Fix some bugs preventing to print and email at the same time
645 lines
16 KiB
PHP
645 lines
16 KiB
PHP
<?php
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class Sale_lib
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{
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var $CI;
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function __construct()
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{
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$this->CI =& get_instance();
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}
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function get_cart()
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{
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if(!$this->CI->session->userdata('cart'))
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$this->set_cart(array());
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return $this->CI->session->userdata('cart');
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}
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function set_cart($cart_data)
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{
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$this->CI->session->set_userdata('cart',$cart_data);
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}
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//Alain Multiple Payments
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function get_payments()
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{
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if( !$this->CI->session->userdata( 'payments' ) )
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$this->set_payments( array( ) );
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return $this->CI->session->userdata('payments');
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}
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//Alain Multiple Payments
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function set_payments($payments_data)
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{
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$this->CI->session->set_userdata('payments',$payments_data);
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}
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function get_comment()
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{
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return $this->CI->session->userdata('comment');
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}
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function set_comment($comment)
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{
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$this->CI->session->set_userdata('comment', $comment);
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}
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function clear_comment()
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{
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$this->CI->session->unset_userdata('comment');
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}
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function get_invoice_number()
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{
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return $this->CI->session->userdata('sales_invoice_number');
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}
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function set_invoice_number($invoice_number)
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{
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$this->CI->session->set_userdata('sales_invoice_number', $invoice_number);
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}
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function clear_invoice_number()
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{
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$this->CI->session->unset_userdata('sales_invoice_number');
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}
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function is_invoice_number_enabled()
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{
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return $this->CI->session->userdata('sales_invoice_number_enabled') == 'true' ||
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$this->CI->session->userdata('sales_invoice_number_enabled') == '1';
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}
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function set_invoice_number_enabled($invoice_number_enabled)
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{
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return $this->CI->session->set_userdata('sales_invoice_number_enabled', $invoice_number_enabled);
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}
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function is_print_after_sale()
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{
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return $this->CI->session->userdata('sales_print_after_sale') == 'true' ||
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$this->CI->session->userdata('sales_print_after_sale') == '1';
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}
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function set_print_after_sale($print_after_sale)
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{
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return $this->CI->session->set_userdata('sales_print_after_sale', $print_after_sale);
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}
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function get_email_receipt()
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{
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return $this->CI->session->userdata('email_receipt');
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}
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function set_email_receipt($email_receipt)
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{
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$this->CI->session->set_userdata('email_receipt', $email_receipt);
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}
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function clear_email_receipt()
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{
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$this->CI->session->unset_userdata('email_receipt');
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}
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function add_payment( $payment_id, $payment_amount )
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{
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$payments = $this->get_payments();
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if( isset( $payments[$payment_id] ) )
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{
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//payment_method already exists, add to payment_amount
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$payments[$payment_id]['payment_amount'] = bcadd($payments[$payment_id]['payment_amount'], $payment_amount, PRECISION);
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}
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else
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{
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//add to existing array
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$payment = array( $payment_id=>
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array(
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'payment_type' => $payment_id,
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'payment_amount' => $payment_amount
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)
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);
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$payments += $payment;
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}
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$this->set_payments( $payments );
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return true;
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}
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//Alain Multiple Payments
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function edit_payment($payment_id,$payment_amount)
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{
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$payments = $this->get_payments();
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if(isset($payments[$payment_id]))
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{
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$payments[$payment_id]['payment_type'] = $payment_id;
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$payments[$payment_id]['payment_amount'] = $payment_amount;
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$this->set_payments($payments);
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}
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return false;
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}
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//Alain Multiple Payments
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function delete_payment( $payment_id )
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{
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$payments = $this->get_payments();
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unset( $payments[urldecode( $payment_id )] );
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$this->set_payments( $payments );
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}
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//Alain Multiple Payments
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function empty_payments()
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{
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$this->CI->session->unset_userdata('payments');
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}
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//Alain Multiple Payments
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function get_payments_total()
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{
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$subtotal = 0;
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foreach($this->get_payments() as $payments)
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{
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$subtotal = bcadd($payments['payment_amount'], $subtotal, PRECISION);
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}
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return to_currency_no_money($subtotal);
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}
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//Alain Multiple Payments
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function get_amount_due()
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{
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$amount_due=0;
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$payment_total = $this->get_payments_total();
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$sales_total=$this->get_total();
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$amount_due=to_currency_no_money($sales_total - $payment_total);
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return $amount_due;
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}
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function get_customer()
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{
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if(!$this->CI->session->userdata('customer'))
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$this->set_customer(-1);
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return $this->CI->session->userdata('customer');
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}
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function set_customer($customer_id)
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{
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$this->CI->session->set_userdata('customer',$customer_id);
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}
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function get_mode()
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{
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if(!$this->CI->session->userdata('sale_mode'))
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$this->set_mode('sale');
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return $this->CI->session->userdata('sale_mode');
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}
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function set_mode($mode)
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{
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$this->CI->session->set_userdata('sale_mode',$mode);
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}
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function get_sale_location()
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{
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if(!$this->CI->session->userdata('sale_location'))
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{
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$location_id = $this->CI->Stock_locations->get_default_location_id();
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$this->set_sale_location($location_id);
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}
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return $this->CI->session->userdata('sale_location');
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}
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function set_sale_location($location)
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{
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$this->CI->session->set_userdata('sale_location',$location);
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}
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function clear_sale_location()
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{
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$this->CI->session->unset_userdata('sale_location');
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}
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function set_giftcard_remainder($value)
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{
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$this->CI->session->set_userdata('giftcard_remainder',$value);
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}
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function get_giftcard_remainder()
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{
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return $this->CI->session->userdata('giftcard_remainder');
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}
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function clear_giftcard_remainder()
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{
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$this->CI->session->unset_userdata('giftcard_remainder');
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}
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function add_item($item_id,$quantity=1,$item_location,$discount=0,$price=null,$description=null,$serialnumber=null)
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{
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//make sure item exists
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if($this->validate_item($item_id) == false)
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{
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return false;
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}
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//Alain Serialization and Description
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//Get all items in the cart so far...
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$items = $this->get_cart();
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//We need to loop through all items in the cart.
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//If the item is already there, get it's key($updatekey).
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//We also need to get the next key that we are going to use in case we need to add the
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//item to the cart. Since items can be deleted, we can't use a count. we use the highest key + 1.
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$maxkey=0; //Highest key so far
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$itemalreadyinsale=FALSE; //We did not find the item yet.
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$insertkey=0; //Key to use for new entry.
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$updatekey=0; //Key to use to update(quantity)
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foreach ($items as $item)
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{
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//We primed the loop so maxkey is 0 the first time.
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//Also, we have stored the key in the element itself so we can compare.
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if($maxkey <= $item['line'])
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{
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$maxkey = $item['line'];
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}
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if($item['item_id']==$item_id && $item['item_location']==$item_location)
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{
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$itemalreadyinsale=TRUE;
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$updatekey=$item['line'];
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}
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}
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$insertkey=$maxkey+1;
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$item_info=$this->CI->Item->get_info($item_id,$item_location);
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//array/cart records are identified by $insertkey and item_id is just another field.
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$price = $price!=null ? $price: $item_info->unit_price;
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$item = array(($insertkey)=>
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array(
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'item_id'=>$item_id,
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'item_location'=>$item_location,
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'stock_name'=>$this->CI->Stock_locations->get_location_name($item_location),
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'line'=>$insertkey,
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'name'=>$item_info->name,
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'item_number'=>$item_info->item_number,
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'description'=>$description!=null ? $description: $item_info->description,
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'serialnumber'=>$serialnumber!=null ? $serialnumber: '',
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'allow_alt_description'=>$item_info->allow_alt_description,
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'is_serialized'=>$item_info->is_serialized,
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'quantity'=>$quantity,
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'discount'=>$discount,
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'in_stock'=>$this->CI->Item_quantities->get_item_quantity($item_id, $item_location)->quantity,
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'price'=>$price,
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'total_tax_exclusive'=>$this->get_item_total_tax_exclusive($item_id, $quantity, $price, $discount),
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'total'=>$this->get_item_total($quantity, $price, $discount)
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)
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);
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//Item already exists and is not serialized, add to quantity
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if($itemalreadyinsale && ($item_info->is_serialized ==0) )
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{
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$items[$updatekey]['quantity']+=$quantity;
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}
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else
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{
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//add to existing array
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$items+=$item;
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}
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$this->set_cart($items);
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return true;
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}
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function out_of_stock($item_id,$item_location)
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{
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//make sure item exists
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if($this->validate_item($item_id) == false)
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{
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return false;
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}
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//$item = $this->CI->Item->get_info($item_id);
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$item_quantity = $this->CI->Item_quantities->get_item_quantity($item_id,$item_location)->quantity;
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$quanity_added = $this->get_quantity_already_added($item_id,$item_location);
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if ($item_quantity - $quanity_added < 0)
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{
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return true;
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}
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return false;
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}
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function get_quantity_already_added($item_id,$item_location)
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{
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$items = $this->get_cart();
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$quanity_already_added = 0;
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foreach ($items as $item)
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{
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if($item['item_id']==$item_id && $item['item_location']==$item_location)
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{
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$quanity_already_added+=$item['quantity'];
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}
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}
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return $quanity_already_added;
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}
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function get_item_id($line_to_get)
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{
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$items = $this->get_cart();
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foreach ($items as $line=>$item)
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{
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if($line==$line_to_get)
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{
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return $item['item_id'];
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}
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}
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return -1;
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}
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function edit_item($line,$description,$serialnumber,$quantity,$discount,$price)
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{
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$items = $this->get_cart();
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if(isset($items[$line]))
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{
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$items[$line]['description'] = $description;
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$items[$line]['serialnumber'] = $serialnumber;
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$items[$line]['quantity'] = $quantity;
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$items[$line]['discount'] = $discount;
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$items[$line]['price'] = $price;
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$this->set_cart($items);
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}
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return false;
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}
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function is_valid_receipt($receipt_sale_id)
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{
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//POS #
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$pieces = explode(' ',$receipt_sale_id);
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if(count($pieces)==2)
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{
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return $this->CI->Sale->exists($pieces[1]);
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}
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else
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{
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return $this->CI->Sale->get_sale_by_invoice_number($receipt_sale_id)->num_rows() > 0;
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}
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return false;
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}
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function is_valid_item_kit($item_kit_id)
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{
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//KIT #
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$pieces = explode(' ',$item_kit_id);
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if(count($pieces)==2)
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{
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return $this->CI->Item_kit->exists($pieces[1]);
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}
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return false;
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}
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function return_entire_sale($receipt_sale_id)
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{
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//POS #
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$pieces = explode(' ',$receipt_sale_id);
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$sale_id = $pieces[1];
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$this->empty_cart();
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$this->remove_customer();
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foreach($this->CI->Sale->get_sale_items($sale_id)->result() as $row)
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{
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$this->add_item($row->item_id,-$row->quantity_purchased,$row->item_location,$row->discount_percent,$row->item_unit_price,$row->description,$row->serialnumber);
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}
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$this->set_customer($this->CI->Sale->get_customer($sale_id)->person_id);
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}
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function add_item_kit($external_item_kit_id,$item_location)
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{
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//KIT #
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$pieces = explode(' ',$external_item_kit_id);
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$item_kit_id = $pieces[1];
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foreach ($this->CI->Item_kit_items->get_info($item_kit_id) as $item_kit_item)
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{
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$this->add_item($item_kit_item['item_id'],$item_kit_item['quantity'],$item_location);
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}
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}
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function copy_entire_sale($sale_id)
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{
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$this->empty_cart();
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$this->remove_customer();
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foreach($this->CI->Sale->get_sale_items($sale_id)->result() as $row)
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{
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$this->add_item($row->item_id,$row->quantity_purchased,$row->item_location,$row->discount_percent,$row->item_unit_price,$row->description,$row->serialnumber);
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}
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foreach($this->CI->Sale->get_sale_payments($sale_id)->result() as $row)
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{
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$this->add_payment($row->payment_type,$row->payment_amount);
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}
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$this->set_customer($this->CI->Sale->get_customer($sale_id)->person_id);
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}
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function copy_entire_suspended_sale($sale_id)
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{
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$this->empty_cart();
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$this->remove_customer();
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foreach($this->CI->Sale_suspended->get_sale_items($sale_id)->result() as $row)
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{
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$this->add_item($row->item_id,$row->quantity_purchased,$row->item_location,$row->discount_percent,$row->item_unit_price,$row->description,$row->serialnumber);
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}
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foreach($this->CI->Sale_suspended->get_sale_payments($sale_id)->result() as $row)
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{
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$this->add_payment($row->payment_type,$row->payment_amount);
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}
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$suspended_sale_info=$this->CI->Sale_suspended->get_info($sale_id)->row();
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$this->set_customer($suspended_sale_info->person_id);
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$this->set_comment($suspended_sale_info->comment);
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$this->set_invoice_number($suspended_sale_info->invoice_number);
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}
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function delete_item($line)
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{
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$items=$this->get_cart();
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unset($items[$line]);
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$this->set_cart($items);
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}
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function empty_cart()
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{
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$this->CI->session->unset_userdata('cart');
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}
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function remove_customer()
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{
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$this->CI->session->unset_userdata('customer');
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}
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function clear_mode()
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{
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$this->CI->session->unset_userdata('sale_mode');
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}
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function clear_all()
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{
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$this->clear_mode();
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$this->empty_cart();
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$this->clear_comment();
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$this->clear_email_receipt();
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$this->clear_invoice_number();
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$this->clear_giftcard_remainder();
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$this->empty_payments();
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$this->remove_customer();
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}
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function is_customer_taxable()
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{
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$customer_id = $this->get_customer();
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$customer = $this->CI->Customer->get_info($customer_id);
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//Do not charge sales tax if we have a customer that is not taxable
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return $customer->taxable or $customer_id==-1;
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}
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function get_taxes()
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{
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//Do not charge sales tax if we have a customer that is not taxable
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if (!$this->is_customer_taxable())
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{
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return array();
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}
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$taxes = array();
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foreach($this->get_cart() as $line=>$item)
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{
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$tax_info = $this->CI->Item_taxes->get_info($item['item_id']);
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foreach($tax_info as $tax)
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{
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$name = $tax['percent'].'% ' . $tax['name'];
|
|
$tax_percentage = $tax['percent'];
|
|
$tax_amount = $this->get_item_tax($item['quantity'], $item['price'], $item['discount'], $tax_percentage);
|
|
|
|
if (!isset($taxes[$name]))
|
|
{
|
|
$taxes[$name] = 0;
|
|
}
|
|
$taxes[$name] = bcadd($taxes[$name], $tax_amount, PRECISION);
|
|
}
|
|
}
|
|
|
|
return $taxes;
|
|
}
|
|
|
|
function get_subtotal()
|
|
{
|
|
$subtotal = $this->calculate_subtotal();
|
|
return to_currency_no_money($subtotal);
|
|
}
|
|
|
|
function get_item_total_tax_exclusive($item_id, $quantity, $price, $discount_percentage)
|
|
{
|
|
$tax_info = $this->CI->Item_taxes->get_info($item_id);
|
|
$item_price = $this->get_item_total($quantity, $price, $discount_percentage);
|
|
// only additive tax here
|
|
foreach($tax_info as $tax)
|
|
{
|
|
$tax_percentage = $tax['percent'];
|
|
$item_price = bcsub($item_price, $this->get_item_tax($quantity, $price, $discount_percentage, $tax_percentage), PRECISION);
|
|
}
|
|
|
|
return $item_price;
|
|
}
|
|
|
|
function get_item_total($quantity, $price, $discount_percentage)
|
|
{
|
|
$total = bcmul($quantity, $price, PRECISION);
|
|
$discount_fraction = bcdiv($discount_percentage, 100, PRECISION);
|
|
$discount_amount = bcmul($total, $discount_fraction, PRECISION);
|
|
return bcsub($total, $discount_amount, PRECISION);
|
|
}
|
|
|
|
function get_item_tax($quantity, $price, $discount_percentage, $tax_percentage)
|
|
{
|
|
$price = $this->get_item_total($quantity, $price, $discount_percentage);
|
|
|
|
$tax_fraction = bcdiv($tax_percentage, 100, PRECISION);
|
|
if ($this->CI->config->config['tax_included'])
|
|
{
|
|
$tax_fraction = bcadd(1, $tax_fraction, PRECISION);
|
|
$tax_fraction = bcdiv(1, $tax_fraction, PRECISION);
|
|
$price_tax_excl = bcmul($price, $tax_fraction, PRECISION);
|
|
return bcsub($price, $price_tax_excl, PRECISION);
|
|
}
|
|
return bcmul($price, $tax_fraction, PRECISION);
|
|
}
|
|
|
|
function calculate_subtotal()
|
|
{
|
|
$subtotal = 0;
|
|
foreach($this->get_cart() as $item)
|
|
{
|
|
if ($this->CI->config->config['tax_included'])
|
|
{
|
|
$subtotal = bcadd($subtotal, $this->get_item_total_tax_exclusive($item['item_id'], $item['quantity'], $item['price'], $item['discount']), PRECISION);
|
|
}
|
|
else
|
|
{
|
|
$subtotal = bcadd($subtotal, $this->get_item_total($item['quantity'], $item['price'], $item['discount']), PRECISION);
|
|
}
|
|
}
|
|
return $subtotal;
|
|
}
|
|
|
|
function get_total()
|
|
{
|
|
$total = $this->calculate_subtotal();
|
|
|
|
foreach($this->get_taxes() as $tax)
|
|
{
|
|
$total = bcadd($total, $tax, PRECISION);
|
|
}
|
|
|
|
return to_currency_no_money($total);
|
|
}
|
|
|
|
function validate_item(&$item_id)
|
|
{
|
|
//make sure item exists
|
|
if(!$this->CI->Item->exists($item_id))
|
|
{
|
|
//try to get item id given an item_number
|
|
$mode = $this->get_mode();
|
|
$item_id = $this->CI->Item->get_item_id($item_id);
|
|
|
|
if(!$item_id)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
?>
|