Brady Wetherington
52 lines
1.3 KiB
PHP
52 lines
1.3 KiB
PHP
<?php
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class Asset extends Elegant {
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protected $table = 'assets';
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protected $rules = array(
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'name' => 'required|min:3',
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'asset_tag' => 'required|min:3|unique:assets',
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'model_id' => 'required',
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'serial' => 'required|min:3',
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);
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/**
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* Handle depreciation
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*/
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public function depreciation()
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{
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$depreciation_id = Model::find($this->model_id)->depreciation_id;
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if (isset($depreciation_id)) {
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$depreciation_term = Depreciation::find($depreciation_id)->months;
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if($depreciation_term>0) {
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$purchase_date = strtotime($this->purchase_date);
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$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
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$purchasemonthnumber=date("Y",$purchase_date)*12+(date("m",$purchase_date)-1); //purchase date calculated similarly
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$diff_months=$todaymonthnumber-$purchasemonthnumber;
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// fraction of value left
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$current_value = round((( $depreciation_term - $diff_months) / ($depreciation_term)) * $this->purchase_cost,2);
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if ($current_value < 0) {
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$current_value = 0;
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}
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return $current_value;
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} else {
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return $this->purchase_cost;
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}
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} else {
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return $this->purchase_cost;
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}
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}
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public function user()
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{
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return $this->belongsTo('User');
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}
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}
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