/**
* Make sure totalDiscount methods works correctly.
*/
public function test_total_discount()
{
// Create one product and add to the first bill
$product = factory(\App\Product::class)->create(['user_id' => $this->user->id]);
$billProduct = factory(\App\BillProduct::class)->create(['bill_id' => $this->bill->id, 'product_id' => $product->id]);
// Create one application product and add to the first bill
$applicationProduct = factory(\App\ApplicationProduct::class)->create();
$billApplicationProduct = factory(\App\BillApplicationProduct::class)->create(['bill_id' => $this->bill->id, 'product_id' => $applicationProduct->id]);
// Create another product and add to the second bill
$secondProduct = factory(\App\Product::class)->create(['user_id' => $this->user->id]);
$secondBillProduct = factory(\App\BillProduct::class)->create(['bill_id' => $this->bill->id, 'product_id' => $secondProduct->id]);
// Create also another application product and add to the second bill
$secondApplicationProduct = factory(\App\ApplicationProduct::class)->create();
$secondBillApplicationProduct = factory(\App\BillApplicationProduct::class)->create(['bill_id' => $this->bill->id, 'product_id' => $secondApplicationProduct->id]);
// Calculate expected discount
$expectedDiscount = $billProduct->price - $billProduct->final_price + ($billApplicationProduct->price - $billApplicationProduct->final_price);
$expectedDiscount += $secondBillProduct->price - $secondBillProduct->final_price + ($secondBillApplicationProduct->price - $secondBillApplicationProduct->final_price);
$expectedDiscount = number_format($expectedDiscount, 2);
$this->actingAs($this->user)->assertEquals($expectedDiscount, CampaignStatistics::totalDiscount($this->campaign->number, $this->campaign->year));
}
/**
* Return statistics about discount compared in given two campaigns.
*
* @param array $campaign
* @param array $campaignToCompare
* @return array
*/
public static function offeredDiscountDetails($campaign, $campaignToCompare)
{
$campaignDiscount = CampaignStatistics::totalDiscount($campaign['number'], $campaign['year']);
$campaignToCompareDiscount = CampaignStatistics::totalDiscount($campaignToCompare['number'], $campaignToCompare['year']);
$translationData = ['campaign_number' => $campaign['number'], 'campaign_year' => $campaign['year'], 'money' => $campaignDiscount, 'other_campaign_number' => $campaignToCompare['number'], 'other_campaign_year' => $campaignToCompare['year']];
$baseOutput = ['discount_offered' => $campaignDiscount, 'discount_offered_in_campaign_to_compare' => $campaignToCompareDiscount, 'discount_offered_label' => trans('statistics.offered_discount_label', ['campaign_number' => $campaign['number'], 'campaign_year' => $campaign['year']]), 'discount_offered_in_campaign_to_compare_label' => trans('statistics.offered_discount_label', ['campaign_number' => $campaignToCompare['number'], 'campaign_year' => $campaignToCompare['year']])];
// Handle case when there is no discount in both campaigns
if ($campaignDiscount <= 0 && $campaignToCompareDiscount <= 0) {
$output = ['message' => trans('statistics.offered_discount_equal_trend', $translationData), 'title' => trans('statistics.offered_discount_equal_trend_title')];
return array_merge($output, $baseOutput);
}
// Handle case when is no discount in first campaign
if ($campaignDiscount <= 0) {
$translationData['minus'] = $campaignToCompareDiscount;
$output = ['message' => trans('statistics.offered_discount_down_trend', $translationData), 'title' => trans('statistics.offered_discount_down_trend_title', ['percent' => 100])];
return array_merge($output, $baseOutput);
}
// Handle case when is no discount in campaign to compare
if ($campaignToCompareDiscount <= 0) {
$translationData['plus'] = $campaignDiscount;
$output = ['message' => trans('statistics.offered_discount_up_trend', $translationData), 'title' => trans('statistics.offered_discount_up_trend_title', ['percent' => 100])];
return array_merge($output, $baseOutput);
}
// Handle case when both campaigns have discount
// Calculate difference and make sure is positive
$difference = number_format($campaignDiscount - $campaignToCompareDiscount, 2);
if ($difference < 0) {
$difference = number_format($difference * -1, 2);
}
// Make sure divider is the biggest number
$divider = $campaignDiscount;
if ($campaignDiscount < $campaignToCompareDiscount) {
$divider = $campaignToCompareDiscount;
}
$percent = number_format($difference * 100 / $divider, 2);
if ($campaignDiscount > $campaignToCompareDiscount) {
$translationData['plus'] = $difference;
$output = ['message' => trans('statistics.offered_discount_up_trend', $translationData), 'title' => trans('statistics.offered_discount_up_trend_title', ['percent' => $percent])];
} else {
if ($campaignDiscount < $campaignToCompareDiscount) {
$translationData['minus'] = $difference;
$output = ['message' => trans('statistics.offered_discount_down_trend', $translationData), 'title' => trans('statistics.offered_discount_down_trend_title', ['percent' => $percent])];
} else {
$output = ['message' => trans('statistics.offered_discount_equal_trend', $translationData), 'title' => trans('statistics.offered_discount_equal_trend_title')];
}
}
return array_merge($output, $baseOutput);
}
