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Merged in feature/PMCORE-503 (pull request #7344)

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PMCORE-503

Approved-by: Julio Cesar Laura Avendaño <contact@julio-laura.com>
This commit is contained in:
Paula Quispe
2020-06-12 21:37:13 +00:00
committed by Julio Cesar Laura Avendaño
parent f75d407041 557f3634e5
commit 49e0ca6490
14 changed files with 2392 additions and 6 deletions
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117
workflow/engine/classes/class.pmFunctions.php
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@@ -459,6 +459,123 @@ function evaluateFunction($aGrid, $sExpresion)
return $aGrid;
}
/**
*
* @method
*
* Executes operations in the grid fields, such as sum, average, median, minimum, maximun,
* stantard deviation, variance, percentile, count, count distinct
*
* @name PMFTotalCalculation
* @label PMFTotalCalculation Function
* @link http://wiki.processmaker.com/index.php/ProcessMaker_Functions#PMFTotalCalculation.28.29
* @param array | $grid | Grid | The input grid.
* @param string (32) | $field | Name of field | The name of the field.
* @param string (32) | $function | Operation.
* @return int|float|array | $result | Result | Result according of the function
*
*/
function PMFTotalCalculation($grid, $field, $function)
{
$systemConfiguration = Bootstrap::getSystemConfiguration();
$floatPointNumber = $systemConfiguration['PMFTOTALCALCULATION_FLOATING_POINT_NUMBER'];
$function = strtolower($function);
$totalRows = count($grid);
$result = 0;
$sum = 0;
switch ($function) {
case "sum":
for ($i = 1; $i <= $totalRows; $i += 1) {
$result += $grid[$i][$field];
}
break;
case "average":
for ($i = 1; $i <= $totalRows; $i += 1) {
$result += $grid[$i][$field];
}
$result = $result / $totalRows;
break;
case "median":
$arrayAux = [];
for ($i = 1; $i <= $totalRows; $i += 1) {
$arrayAux[] = $grid[$i][$field];
}
sort($arrayAux);
$term = ($totalRows + 1) / 2;
if ($totalRows % 2 === 0) {
$term = floor($term);
$result = ($arrayAux[$term - 1] + $arrayAux[$term]) / 2;
} else {
$result = $arrayAux[$term - 1];
}
break;
case "minimum":
$result = $grid[1][$field];
for ($i = 2; $i <= $totalRows; $i += 1) {
if ($grid[$i][$field] < $result) {
$result = $grid[$i][$field];
}
}
break;
case "maximum":
$result = $grid[1][$field];
for ($i = 2; $i <= $totalRows; $i += 1) {
if ($grid[$i][$field] > $result) {
$result = $grid[$i][$field];
}
}
break;
case "standarddeviation":
$mean = 0;
for ($i = 1; $i <= $totalRows; $i += 1) {
$mean += $grid[$i][$field];
}
$mean = $mean / $totalRows;
for ($i = 1; $i <= $totalRows; $i += 1) {
$result += pow($grid[$i][$field] - $mean, 2);
}
$result = sqrt($result / $totalRows);
break;
case "variance":
$mean = 0;
for ($i = 1; $i <= $totalRows; $i += 1) {
$mean += $grid[$i][$field];
}
$mean = $mean / $totalRows;
for ($i = 1; $i <= $totalRows; $i += 1) {
$result += pow($grid[$i][$field] - $mean, 2);
}
$result = $result / $totalRows;
break;
case "percentile":
$result = [];
$arrayAux = [];
for ($i = 1; $i <= $totalRows; $i += 1) {
$sum += $grid[$i][$field];
$arrayAux[$i] = $grid[$i][$field];
}
for ($i = 1; $i <= count($arrayAux); $i += 1) {
$result[$i] = round(($arrayAux[$i] * 100) / $sum, $floatPointNumber);
}
break;
case "count":
$result = $totalRows;
break;
case "countdistinct":
$arrayAux = [];
for ($i = 1; $i <= $totalRows; $i += 1) {
$arrayAux[] = $grid[$i][$field];
}
$result = count(array_count_values($arrayAux));
break;
}
if ($function !== "percentile") {
return round($result, $floatPointNumber);
}
return $result;
}
/**
* Web Services Functions *
*/