osb/app/Models/Supplier/Broadband.php

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<?php
namespace App\Models\Supplier;
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use App\Traits\ProductDetails;
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use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Leenooks\Traits\ScopeActive;
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use App\Interfaces\SupplierItem;
use App\Models\{Invoice,Supplier,SupplierDetail,Tax};
use App\Models\Product\Broadband as ProductBroadband;
use App\Traits\SiteID;
class Broadband extends Model implements SupplierItem
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{
use SiteID,ScopeActive,ProductDetails;
protected $casts = [
'offpeak_start' => 'datetime:H:i',
'offpeak_end' => 'datetime:H:i',
];
protected $table = 'supplier_broadband';
// Map the table fields, with the extra fields
public const traffic_map = [
'base_up_offpeak' => 'extra_up_offpeak',
'base_down_offpeak' => 'extra_down_offpeak',
'base_up_peak' => 'extra_up_peak',
'base_down_peak' => 'extra_down_peak',
];
// Map the NULL relationships - and where traffic gets applied if NULL
public const traffic_merge = [
'extra_up_offpeak' => 'base_down_offpeak',
'extra_down_offpeak' => 'base_down_peak',
'extra_up_peak' => 'base_down_peak',
'extra_down_peak' => 'base_down_peak',
];
/* INTERFACES */
public function supplier_detail(): BelongsTo
{
return $this->belongsTo(SupplierDetail::class);
}
public function types(): BelongsToMany
{
return $this->belongsToMany(ProductBroadband::class,'supplier_broadband','id','id','id','supplier_broadband_id');
}
public function getBaseCostTaxableAttribute(): float
{
return Tax::tax_calc($this->attributes['base_cost'],config('site')->taxes);
}
public function getBillingIntervalAttribute(): int
{
return 1; // Monthly
}
/**
* This contract term is the highest of
* + The defined contract_term
* + The default months in a billing interval
*
* @return int
*/
public function getContractTermAttribute(): int
{
return max(Invoice::billing_period(self::getBillingIntervalAttribute()),Arr::get($this->attributes,'contract_term'));
}
public function getMinCostAttribute(): float
{
return $this->attributes['setup_cost']+$this->attributes['base_cost']*Invoice::billing_term($this->getContractTermAttribute(),$this->getBillingIntervalAttribute());
}
public function getMinCostTaxableAttribute(): float
{
return Tax::tax_calc($this->getMinCostAttribute(),config('site')->taxes);
}
public function getNameAttribute(): string
{
return $this->product_id ?: 'Supplier PID Unknown';
}
public function getNameLongAttribute(): string
{
return $this->product_desc ?: 'Supplier NAME Unknown';
}
public function getSetupCostTaxableAttribute(): float
{
return Tax::tax_calc($this->attributes['setup_cost'],config('site')->taxes);
}
public function getTypeAttribute(): string
{
return Arr::get(collect(Supplier::offering_types)->firstWhere('class',get_class($this)),'name','Unknown');
}
/* METHODS */
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/**
* Determine how traffic is counted for Broadband links.
*
* Configuration allows for traffic to fit into the following categories:
* + down_peak, when not NULL, traffic is included to value of this metric, extra traffic is charged per extra_peak
* + down_offpeak, when not NULL, traffic is included to the value of metric, extra traffic is charged per extra_offpeak
*
* If:
* + UPLOADS are charged and there are no PEAK/OFFPEAK periods (therefore all
* traffic is charged), the allowance will be shown as 1 metric - TRAFFIC.
* + UPLOADS are charged and there are PEAK/OFFPEAK periods the allowance
* will be shown as 2 metrics - PEAK/OFFPEAK.
* + UPLOADS are NOT charged and there are no PEAK/OFFPEAK periods the allowance
* will be shown as 1 metrics - TRAFFIC.
* + UPLOADS are NOT charged and there are PEAK/OFFPEAK periods the allowance
* will be shown as 2 metrics - PEAK/OFFPEAK.
*
* Thus:
* (x = up/down, Y=peak/offpeak)
*
* + If base_x_Y is NULL, all Y traffic is FREE (ignore respective extra_x_Y setting).
* + If base_x_Y is a number, all Y traffic is FREE up to the number (evaluate extra_x_Y setting).
* + If extra_x_Y is a number, charge this amount for traffic over base_x_Y.
*
* + If extra_down_peak is NULL this is invalid, treat base_down_peak as NULL
* + If extra_down_offpeak is NULL add traffic_down_offpeak to traffic_down_peak
* + If extra_up_peak is NULL add traffic_up_peak to traffic_down_peak
* + If extra_up_offpeak is NULL add traffic_up_offpeak to traffic_down_offpeak
*
* @param Collection|null $config The configuration of the link, if NULL assume the supplieres configuration
* @param array $data The traffic used on this link, determine whats left or over
* @param bool $ceil Round the numbers to integers
* @return array|string
*/
public function allowance(Collection $config=NULL,array $data=[],bool $ceil=TRUE)
{
$map = collect(self::traffic_map);
$merge = collect(self::traffic_merge);
if (is_null($config))
$config = collect($config);
// If config is null, use the configuration from this Model
if (! $config->count()) {
// Base Config
foreach ($map->keys() as $k)
$config->put($k,$this->{$k});
// Excess Config
foreach ($map->values() as $k)
$config->put($k,$this->{$k});
// Shaped or Charge
$config->put('shaped',$this->extra_shaped);
$config->put('charged',$this->extra_charged);
// Metric - used to round down data in $data.
$config->put('metric',$this->metric);
}
$result = collect();
// If data is empty, we'll report on allowance, otherwise we'll report on consumption
$report = ! $data;
// Work out if we charge each period
foreach ($map as $k => $v) {
// Anything NULL is not counted
if (is_null($config->get($k)))
continue;
$x = $report ? $config->get($k) : ($config->get($k)-Arr::get($data,$k,0));
if ($ceil)
$x = (int)ceil($x);
// Non-NULL entries are counted as is
if (! is_null($config->get($v))) {
// Existing value for this item to be added
$value = $result->has($k) ? $result->get($k) : 0;
$result->put($k,$value+$x);
// NULL entries are merged into another key
} else {
// New Key for this item
$key = $merge->get($v);
// Existing value for this item to be added
$value = $result->has($key) ? $result->get($key) : 0;
// Any value in the existing key, add it too.
if ($k !== $key AND $result->has($k)) {
$value += $result->get($k);
$result->forget($k);
}
$result->put($key,$value+$x);
}
}
if ($config->has('metric') AND $config->get('metric'))
$result->transform(function($item) use ($config,$ceil) {
return $ceil
? (int)ceil($item/$config->get('metric'))
: $item/$config->get('metric');
});
return $result;
}
/**
* Return the Broadband Speed
*
* @return string
*/
public function speed(): string
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{
return $this->speed;
}
}