Add support for customer balance due tracking.

application/controllers/Customers.php

@@ -38,6 +38,7 @@ class Customers extends Persons
 			//create object with empty properties.
 			$stats = new stdClass;
 			$stats->total = 0;
+			$stats->balance_due = 0;
 			$stats->min = 0;
 			$stats->max = 0;
 			$stats->average = 0;
@@ -74,6 +75,7 @@ class Customers extends Persons
 				//create object with empty properties.
 				$stats = new stdClass;
 				$stats->total = 0;
+				$stats->balance_due = 0;
 				$stats->min = 0;
 				$stats->max = 0;
 				$stats->average = 0;
@@ -260,6 +262,7 @@ class Customers extends Persons
 			'company_name' => $this->input->post('company_name') == '' ? NULL : $this->input->post('company_name'),
 			'discount' => $this->input->post('discount') == '' ? 0.00 : $this->input->post('discount'),
 			'discount_type' => $this->input->post('discount_type') == NULL ? PERCENT : $this->input->post('discount_type'),
+			'credit_limit' => $this->input->post('credit_limit') == '' ? 0.00 : $this->input->post('credit_limit'),
 			'package_id' => $this->input->post('package_id') == '' ? NULL : $this->input->post('package_id'),
 			'taxable' => $this->input->post('taxable') != NULL,
 			'date' => $date_formatter->format('Y-m-d H:i:s'),

application/controllers/Reports.php

@@ -1347,6 +1347,7 @@ class Reports extends Secure_Controller
 		}
 		$sale_type_options['canceled'] = $this->lang->line('reports_canceled');
 		$sale_type_options['returns'] = $this->lang->line('reports_returns');
+		$sale_type_options['due'] = $this->lang->line('reports_balance_due');
 		return $sale_type_options;
 	}
 
@@ -1387,6 +1388,16 @@ class Reports extends Secure_Controller
 				$button_label = $this->lang->line('common_delete');
 			}
 
+			$payments = $row['payment_type'];
+			if($row['due'] > 0)
+			{
+				if($row['payment_type'] != "")
+				{
+					$payments .= ', ';
+				}
+				$payments .= 'Balance ' . to_currency($row['due']);
+			}
+
 			$summary_data[] = $this->xss_clean(array(
 				'id' => $row['sale_id'],
 				'type_code' => $row['type_code'],
@@ -1399,7 +1410,7 @@ class Reports extends Secure_Controller
 				'total' => to_currency($row['total']),
 				'cost' => to_currency($row['cost']),
 				'profit' => to_currency($row['profit']),
-				'payment_type' => $row['payment_type'],
+				'payment_type' => $payments,
 				'comment' => $row['comment'],
 				'edit' => anchor('sales/edit/'.$row['sale_id'], '<span class="glyphicon glyphicon-edit"></span>',
 					array('class' => 'modal-dlg print_hide', $button_key => $button_label, 'data-btn-submit' => $this->lang->line('common_submit'), 'title' => $this->lang->line('sales_update')))

application/language/en-GB/customers_lang.php

@@ -12,6 +12,7 @@ $lang["customers_confirm_delete"] = "Are you sure you want to delete the selecte
 $lang["customers_confirm_restore"] = "Are you sure you want to restore the selected Customers(s)?";
 $lang["customers_consent"] = "Registration consent";
 $lang["customers_consent_required"] = "Registration consent is a required field";
+$lang["customers_credit_limit"] = "Credit Limit";
 $lang["customers_csv_import_failed"] = "The csv import failed";
 $lang["customers_csv_import_nodata_wrongformat"] = "The uploaded file has no data or is incorrectly formatted";
 $lang["customers_csv_import_partially_failed"] = "Customer import successful with some failures:";

application/language/en-GB/reports_lang.php

@@ -2,6 +2,7 @@
 
 $lang["reports_all"] = "All";
 $lang["reports_authority"] = "Authority";
+$lang["reports_balance_due"] = "Balance Due";
 $lang["reports_canceled"] = "Cancelled";
 $lang["reports_categories"] = "Categories";
 $lang["reports_categories_summary_report"] = "Categories Summary Report";

application/language/en-US/customers_lang.php

@@ -12,6 +12,7 @@ $lang["customers_confirm_delete"] = "Are you sure you want to delete the selecte
 $lang["customers_confirm_restore"] = "Are you sure you want to restore selected customers(s)?";
 $lang["customers_consent"] = "Registration consent";
 $lang["customers_consent_required"] = "Registration consent is a required field.";
+$lang["customers_credit_limit"] = "Credit Limit";
 $lang["customers_csv_import_failed"] = "CSV import failed";
 $lang["customers_csv_import_nodata_wrongformat"] = "The uploaded file has no data or is incorrectly formatted.";
 $lang["customers_csv_import_partially_failed"] = "Customer import successful with some failures:";

application/language/en-US/reports_lang.php

@@ -2,6 +2,7 @@
 
 $lang["reports_all"] = "All";
 $lang["reports_authority"] = "Authority";
+$lang["reports_balance_due"] = "Balance Due";
 $lang["reports_canceled"] = "Canceled";
 $lang["reports_categories"] = "Categories";
 $lang["reports_categories_summary_report"] = "Categories Summary Report";

application/migrations/20210224100000_customerduetracking.php

@@ -0,0 +1,20 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Migration_customerduetracking extends CI_Migration
+{
+	public function __construct()
+	{
+		parent::__construct();
+	}
+
+	public function up()
+	{
+		$this->db->query('ALTER TABLE ' . $this->db->dbprefix('customers') . ' ADD COLUMN `credit_limit` decimal(15,2) NOT NULL DEFAULT 0 AFTER `discount_type`');
+	}
+
+	public function down()
+	{
+		$this->db->query('ALTER TABLE ' . $this->db->dbprefix('customers') . ' DROP COLUMN `credit_limit`');
+	}
+}
+?>

application/models/Customer.php

@@ -98,6 +98,7 @@ class Customer extends Person
 	*/
 	public function get_stats($customer_id)
 	{
+		// TODO Rework this
 		// create a temporary table to contain all the sum and average of items
 		$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sales_items_temp') .
 			' (INDEX(sale_id)) ENGINE=MEMORY
@@ -255,6 +256,7 @@ class Customer extends Person
 					'taxable'			=> 0,
 					'discount'			=> 0.00,
 					'discount_type'		=> 0,
+					'credit_limit'		=> 0,
 					'package_id'		=> NULL,
 					'points'			=> NULL,
 					'sales_tax_code_id'	=> NULL,

application/models/Sale.php

@@ -1115,7 +1115,7 @@ class Sale extends CI_Model
 	}
 
 	/**
-	 * Creates sales temporary dimentional table
+	 * Creates sales temporary dimensional table
 	 * We create a temp table that allows us to do easy report/sales queries
 	 */
 	public function create_temp_table(array $inputs)

application/models/reports/Detailed_sales.php

@@ -86,6 +86,7 @@ class Detailed_sales extends Report
 			SUM(subtotal) AS subtotal,
 			SUM(tax) AS tax,
 			SUM(total) AS total,
+			SUM(CASE WHEN (total - sale_payment_amount) > 0 THEN (total - sale_payment_amount) ELSE 0 END) AS due,
 			SUM(cost) AS cost,
 			SUM(profit) AS profit,
 			MAX(payment_type) AS payment_type,
@@ -114,6 +115,14 @@ class Detailed_sales extends Report
 			$this->db->or_where('sale_type', SALE_TYPE_INVOICE);
 			$this->db->group_end();
 		}
+		elseif($inputs['sale_type'] == 'due')
+		{
+			$this->db->where('sale_status', COMPLETED);
+			$this->db->group_start();
+			$this->db->where('sale_type', SALE_TYPE_POS);
+			$this->db->or_where('sale_type', SALE_TYPE_INVOICE);
+			$this->db->group_end();
+		}
 		elseif($inputs['sale_type'] == 'quotes')
 		{
 			$this->db->where('sale_status', SUSPENDED);
@@ -135,6 +144,10 @@ class Detailed_sales extends Report
 		}
 
 		$this->db->group_by('sale_id');
+		if($inputs['sale_type'] == 'due')
+		{
+			$this->db->having('due > 0');
+		}
 		$this->db->order_by('MAX(sale_date)');
 
 		$data = array();

application/models/reports/Summary_payments.php

@@ -121,9 +121,15 @@ class Summary_payments extends Summary_report
 	{
 		$decimals = totals_decimals();
 
-		$trans_amount = 'ROUND(SUM(CASE WHEN sales_items.discount_type = ' . PERCENT
+// Replace the following
-			. ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) '
+//		$trans_amount = 'ROUND(SUM(CASE WHEN sales_items.discount_type = ' . PERCENT
-			. 'ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END), ' . $decimals . ') AS trans_amount';
+//			. ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) '
+//			. 'ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END), ' . $decimals . ') AS trans_amount';
+// With the following
+		$trans_amount = 'SUM(CASE WHEN sales_items.discount_type = ' . PERCENT
+			. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals) "
+			. 'ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END) AS trans_amount';
+
 
 		$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('sumpay_taxes_temp') .
 			' (INDEX(sale_id)) ENGINE=MEMORY

application/models/reports/Summary_taxes.php

@@ -40,19 +40,44 @@ class Summary_taxes extends Summary_report
 		{
 			$where .= 'AND sale_time BETWEEN ' . $this->db->escape(rawurldecode($inputs['start_date'])) . ' AND ' . $this->db->escape(rawurldecode($inputs['end_date']));
 		}
+// Replace the following
+//		if($this->config->item('tax_included'))
+//		{
+//			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END)';
+//			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END * (100 / (100 + sales_items_taxes.percent)))';
+//		}
+//		else
+//		{
+//			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END * (1 + (sales_items_taxes.percent / 100)))';
+//			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END)';
+//		}
+//
+//		$decimals = totals_decimals();
+// With the following
+		$decimals = totals_decimals();
 
 		if($this->config->item('tax_included'))
 		{
-			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END)';
+			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT
-			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END * (100 / (100 + sales_items_taxes.percent)))';
+				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals) "
+				. 'ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END)';
+
+			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT
+				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals) "
+				. 'ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END * (100 / (100 + sales_items_taxes.percent)))';
+
 		}
 		else
 		{
-			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END * (1 + (sales_items_taxes.percent / 100)))';
+			$sale_total = '(CASE WHEN sales_items.discount_type = ' . PERCENT
-			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT . ' THEN sales_items.item_unit_price * sales_items.quantity_purchased * (1 - sales_items.discount / 100) ELSE sales_items.item_unit_price * sales_items.quantity_purchased - sales_items.discount END)';
+				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals) "
-		}
+				. 'ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END * (100 / (100 + sales_items_taxes.percent)) * (1 + (sales_items_taxes.percent / 100)))';
 
-		$decimals = totals_decimals();
+			$sale_subtotal = '(CASE WHEN sales_items.discount_type = ' . PERCENT
+				. " THEN sales_items.quantity_purchased * sales_items.item_unit_price - ROUND(sales_items.quantity_purchased * sales_items.item_unit_price * sales_items.discount / 100, $decimals) "
+				. 'ELSE sales_items.quantity_purchased * (sales_items.item_unit_price - sales_items.discount) END)';
+		}
+// End of "with the following"
 
 		$query = $this->db->query("SELECT percent, count(*) AS count, ROUND(SUM(subtotal), $decimals) AS subtotal, ROUND(SUM(tax), $decimals) AS tax, ROUND(SUM(total), $decimals) AS total
 			FROM (

application/views/customers/form.php

@@ -80,6 +80,21 @@
 					</div>	
 				</div>
 
+				<div class="form-group form-group-sm">
+					<?php echo form_label($this->lang->line('customers_credit_limit'), 'credit_limit', array('class' => 'control-label col-xs-3')); ?>
+					<div class='col-xs-4'>
+						<div class="input-group input-group-sm">
+							<?php echo form_input(array(
+									'name'=>'credit_limit',
+									'id'=>'credit_limit',
+									'class'=>'form-control input-sm',
+									'onClick'=>'this.select();',
+									'value'=>$person_info->credit_limit)
+							); ?>
+						</div>
+					</div>
+				</div>
+
 				<div class="form-group form-group-sm">
 					<?php echo form_label($this->lang->line('customers_company_name'), 'company_name', array('class' => 'control-label col-xs-3')); ?>
 					<div class='col-xs-8'>
@@ -227,7 +242,28 @@
 							</div>
 						</div>
 					</div>
-					
+
+					<div class="form-group form-group-sm">
+						<?php echo form_label($this->lang->line('customers_balance_due'), 'total', array('class' => 'control-label col-xs-3')); ?>
+						<div class="col-xs-4">
+							<div class="input-group input-group-sm">
+								<?php if (!currency_side()): ?>
+									<span class="input-group-addon input-sm"><b><?php echo $this->config->item('currency_symbol'); ?></b></span>
+								<?php endif; ?>
+								<?php echo form_input(array(
+										'name'=>'balance_due',
+										'id'=>'balance_due',
+										'class'=>'form-control input-sm',
+										'value'=>to_currency_no_money($stats->balance_due),
+										'disabled'=>'')
+								); ?>
+								<?php if (currency_side()): ?>
+									<span class="input-group-addon input-sm"><b><?php echo $this->config->item('currency_symbol'); ?></b></span>
+								<?php endif; ?>
+							</div>
+						</div>
+					</div>
+
 					<div class="form-group form-group-sm">
 						<?php echo form_label($this->lang->line('customers_max'), 'max', array('class' => 'control-label col-xs-3')); ?>
 						<div class="col-xs-4">