groove/Part-DB-server
1
0
Fork 0
mirror of https://github.com/Part-DB/Part-DB-server.git synced 2026-05-11 07:22:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

Automatically detect the delimiter of generic BOM imports

Browse source 
The detectFields does this anyway, so use that guessed value further on
This commit is contained in:
Jan Böhmer 2026-03-15 21:35:38 +01:00
parent de371877b9
commit 74e5102943
2 changed files with 27 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/Services/ImportExportSystem/BOMImporter.php
View file

@ -721,26 +721,36 @@ class BOMImporter
return $mapped;
}
/**
* Try to detect the separator used in the CSV data by analyzing the first line and counting occurrences of common delimiters.
* @param string $data
* @return string
*/
public function detectDelimiter(string $data): string
{
$delimiters = [',', ';', "\t"];
$lines = explode("\n", $data, 2);
$header_line = $lines[0] ?? '';
$delimiter_counts = [];
foreach ($delimiters as $delim) {
$delimiter_counts[$delim] = substr_count($header_line, $delim);
}
// Choose the delimiter with the highest count, default to comma if all are zero
$max_count = max($delimiter_counts);
$delimiter = array_search($max_count, $delimiter_counts, true);
if ($max_count === 0 || $delimiter === false) {
$delimiter = ',';
}
return $delimiter;
}
/**
* Detect available fields in CSV data for field mapping UI
*/
public function detectFields(string $data, ?string $delimiter = null): array
{
if ($delimiter === null) {
// Detect delimiter by counting occurrences in the first row (header)
$delimiters = [',', ';', "\t"];
$lines = explode("\n", $data, 2);
$header_line = $lines[0] ?? '';
$delimiter_counts = [];
foreach ($delimiters as $delim) {
$delimiter_counts[$delim] = substr_count($header_line, $delim);
}
// Choose the delimiter with the highest count, default to comma if all are zero
$max_count = max($delimiter_counts);
$delimiter = array_search($max_count, $delimiter_counts, true);
if ($max_count === 0 || $delimiter === false) {
$delimiter = ',';
}
$delimiter = $this->detectDelimiter($data);
}
// Handle potential BOM (Byte Order Mark) at the beginning
$data = preg_replace('/^\xEF\xBB\xBF/', '', $data);