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Merge pull request #27 from snipe/depreciation_fix

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Depreciation fix
This commit is contained in:
snipe
2013-11-17 20:01:46 -08:00
parent eae1c29262 90c4dfecdf
commit 4da2bccbf7
1 changed files with 16 additions and 12 deletions
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app/models/Asset.php
+16 -12
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@@ -16,22 +16,26 @@ class Asset extends Elegant {
public function depreciation()
{
$depreciation_id = Model::find($this->model_id)->depreciation_id;
if (isset($depreciation_id)) {
$depreciation_term = Depreciation::find($depreciation_id)->months;
$depreciation_term = Depreciation::find($depreciation_id)->months;
if($depreciation_term>0) {
$purchase_date = strtotime($this->purchase_date);
$today = mktime(0, 0, 0, date("m") , date("d"), date("Y"));
$diff_days = ($today - $purchase_date) / 86400;
$purchase_date = strtotime($this->purchase_date);
// fraction of value left
// FIX ME - THIS SHIT IS BROKE AS HELL. Math is hard. :(
$current_value = round(((30 * $depreciation_term - $diff_days) / (30 * $depreciation_term)) * $this->purchase_cost,2);
$todaymonthnumber=date("Y")*12+(date("m")-1); //calculate the month number for today as YEAR*12 + (months-1) - number of months since January year 0
$purchasemonthnumber=date("Y",$purchase_date)*12+(date("m",$purchase_date)-1); //purchase date calculated similarly
$diff_months=$todaymonthnumber-$purchasemonthnumber;
if ($current_value < 0) {
$current_value = 0;
}
return $current_value;
// fraction of value left
$current_value = round((( $depreciation_term - $diff_months) / ($depreciation_term)) * $this->purchase_cost,2);
if ($current_value < 0) {
$current_value = 0;
}
return $current_value;
} else {
return $this->purchase_cost;
}
} else {
return $this->purchase_cost;
}