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https://github.com/opensourcepos/opensourcepos.git
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c4c475b51f
0, FALSE values create attributes marked as "unchecked" NULL, "" and spaces do not create an attribute 1, TRUE and ANY other value creates an attribute and marks as checked. Blank lines in CSV files are skipped with no error.
110 lines
2.7 KiB
PHP
110 lines
2.7 KiB
PHP
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* Generates the header content for the import_items.csv file
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*
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* @return string Comma separated headers for the CSV file
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*/
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function generate_import_items_csv($stock_locations,$attributes)
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{
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$csv_headers = pack("CCC",0xef,0xbb,0xbf); //Encode the Byte-Order Mark (BOM) so that UTF-8 File headers display properly in Microsoft Excel
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$csv_headers .= 'Barcode,"Item Name",Category,"Supplier ID","Cost Price","Unit Price","Tax 1 Name","Tax 1 Percent","Tax 2 Name","Tax 2 Percent","Reorder Level",Description,"Allow Alt Description","Item has Serial Number",item_image,HSN';
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$csv_headers .= generate_stock_location_headers($stock_locations);
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$csv_headers .= generate_attribute_headers($attributes);
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return $csv_headers;
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}
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/**
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* Generates a list of stock location names as a string
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*
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* @return string Comma-separated list of stock location names
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*/
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function generate_stock_location_headers($locations)
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{
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$location_headers = "";
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foreach($locations as $location_id => $location_name)
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{
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$location_headers .= ',"location_' . $location_name . '"';
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}
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return $location_headers;
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}
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/**
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* Generates a list of attribute names as a string
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*
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* @return string Comma-separated list of attribute names
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*/
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function generate_attribute_headers($attribute_names)
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{
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$attribute_headers = "";
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unset($attribute_names[-1]);
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foreach($attribute_names as $attribute_name)
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{
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$attribute_headers .= ',"attribute_' . $attribute_name . '"';
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}
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return $attribute_headers;
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}
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/**
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* Read the contents of a given CSV formatted file into a two-dimensional array
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*
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* @param string $file_name Name of the file to read.
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* @return boolean|array[][] two-dimensional array with the file contents or FALSE on failure.
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*/
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function get_csv_file($file_name)
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{
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ini_set("auto_detect_line_endings", true);
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if(($csv_file = fopen($file_name,'r')) !== FALSE)
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{
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//Skip Byte-Order Mark
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if(bom_exists($csv_file) === TRUE)
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{
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fseek($csv_file, 3);
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}
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while (($data = fgetcsv($csv_file)) !== FALSE)
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{
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//Skip empty lines
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if(array(null) !== $data)
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{
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$line_array[] = $data;
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}
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}
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}
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else
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{
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return FALSE;
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}
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return $line_array;
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}
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/**
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* Checks the first three characters of a file for the Byte-Order Mark then returns the file position to the first character.
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*
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* @param object $file_handle File handle to check
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* @return bool Returns TRUE if the BOM exists and FALSE otherwise.
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*/
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function bom_exists(&$file_handle)
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{
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$str = fread($file_handle,3);
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rewind($file_handle);
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$bom = pack("CCC", 0xef, 0xbb, 0xbf);
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if (0 === strncmp($str, $bom, 3))
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{
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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}
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?>
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