mirror of
https://github.com/opensourcepos/opensourcepos.git
synced 2026-01-19 06:47:56 -05:00
a8dfa2dbe8
+ Fixed multiple giftcards issue per Bug #4 reported on Sourceforge where a second giftcard added would have its balance set to $0 even if the sale did not require the total of the second giftcard to pay the remaining amount due. + Small code cleanup git-svn-id: svn+ssh://jekkos@svn.code.sf.net/p/opensourcepos/code/@58 c3eb156b-1dc0-44e1-88ae-e38439141b53
498 lines
11 KiB
PHP
498 lines
11 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_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 = $this->get_payments();
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$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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//payment_method already exists, add to payment_amount
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if( isset( $payments[$payment_id] ) )
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{
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$payments[$payment_id]['payment_amount'] += $payment_amount;
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}
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else
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{
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//add to existing array
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$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($payment_id);
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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+=$payments['payment_amount'];
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}
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return to_currency_no_money($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 add_item($item_id,$quantity=1,$discount=0,$price=null,$description=null,$serialnumber=null)
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{
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//make sure item exists
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if(!$this->CI->Item->exists($item_id))
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{
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//try to get item id given an item_number
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$item_id = $this->CI->Item->get_item_id($item_id);
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if(!$item_id)
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return false;
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}
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//Alain Serialization and Description
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//Get all items in the cart so far...
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$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']==$item_id)
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{
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$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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//array/cart records are identified by $insertkey and item_id is just another field.
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$item = array(($insertkey)=>
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array(
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'item_id'=>$item_id,
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'line'=>$insertkey,
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'name'=>$this->CI->Item->get_info($item_id)->name,
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'item_number'=>$this->CI->Item->get_info($item_id)->item_number,
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'description'=>$description!=null ? $description: $this->CI->Item->get_info($item_id)->description,
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'serialnumber'=>$serialnumber!=null ? $serialnumber: '',
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'allow_alt_description'=>$this->CI->Item->get_info($item_id)->allow_alt_description,
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'is_serialized'=>$this->CI->Item->get_info($item_id)->is_serialized,
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'quantity'=>$quantity,
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'discount'=>$discount,
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'price'=>$price!=null ? $price: $this->CI->Item->get_info($item_id)->unit_price
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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($itemalreadyinsale && ($this->CI->Item->get_info($item_id)->is_serialized ==0) )
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{
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$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($item_id)
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{
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//make sure item exists
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if(!$this->CI->Item->exists($item_id))
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{
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//try to get item id given an item_number
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$item_id = $this->CI->Item->get_item_id($item_id);
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if(!$item_id)
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return false;
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}
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$item = $this->CI->Item->get_info($item_id);
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$quanity_added = $this->get_quantity_already_added($item_id);
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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)
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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']==$item_id)
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{
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$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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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,$row->discount_percent,$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)
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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'], $item_kit_item['quantity']);
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}
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}
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function copy_entire_sale($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,$row->discount_percent,$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,$row->discount_percent,$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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$this->set_customer($this->CI->Sale_suspended->get_customer($sale_id)->person_id);
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$this->set_comment($this->CI->Sale_suspended->get_comment($sale_id));
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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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$this->empty_payments();
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$this->remove_customer();
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}
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function get_taxes()
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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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if (!$customer->taxable and $customer_id!=-1)
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{
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return array();
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}
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$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'].'% ' . $tax['name'];
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$tax_amount=($item['price']*$item['quantity']-$item['price']*$item['quantity']*$item['discount']/100)*(($tax['percent'])/100);
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if (!isset($taxes[$name]))
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{
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$taxes[$name] = 0;
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}
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$taxes[$name] += $tax_amount;
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}
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}
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return $taxes;
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}
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function get_subtotal()
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{
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$subtotal = 0;
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foreach($this->get_cart() as $item)
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{
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$subtotal+=($item['price']*$item['quantity']-$item['price']*$item['quantity']*$item['discount']/100);
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}
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return to_currency_no_money($subtotal);
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}
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function get_total()
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{
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$total = 0;
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foreach($this->get_cart() as $item)
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{
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$total += ( $item['price'] * $item['quantity'] - $item['price'] * $item['quantity'] * $item['discount'] / 100);
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}
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foreach($this->get_taxes() as $tax)
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{
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$total+=$tax;
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}
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return to_currency_no_money($total);
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}
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}
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?>
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