osb/app/Models/Product.php

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<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Auth;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Log;
use Leenooks\Traits\ScopeActive;
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use App\Interfaces\IDs;
use App\Traits\{ProductDetails,SiteID};
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/**
* Class Product
* Products that are available to sale, and appear on invoices.
*
* Products have one Type (Product/*), made of an Offering (Supplier/*) from a Supplier.
* Conversely, Suppliers provide Offerings (Supplier/*) which belong to a Type (Product/*) of a Product.
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*
* Attributes for products:
* + lid : Local ID for product (part number)
* + supplied : Supplier product provided for this offering
* + supplier : Supplier for this offering
* + name : Brief Name for our product
* + name_short : Product ID for our Product
* + name_long : Long Name for our product
* + billing_interval : Default Billing Interval
* + billing_interval_string: Default Billing Interval in human-readable form
* + setup_charge : Charge to setup this product
* + setup_charge_taxable : Charge to setup this product including taxes
* + base_charge : Default billing amount
* + base_charge_taxable : Default billing amount including taxes
* + min_charge : Minimum cost taking into account billing interval and setup costs
* + min_charge_taxable : Minimum cost taking into account billing interval and setup costs including taxes
*
* Attributes for product types (type - Product/*)
* + name : Short Name for our Product
* + name_long : Long Name for our Product
* + description : Description of offering (Broadband=speed)
*
* Attributes for supplier's offerings (type->supplied - Supplier/*)
* + name : Short Name for suppliers offering
* + name_long : Long Name for suppliers offering
* + description : Description of offering (Broadband=speed)
*
* Product Pricing self::pricing is an array of:
* [
* timeperiod => [
* show => true|false (show this time period to the user for ordering)
* group => [ pricing/setup ]
* ]
* ]
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*
* @todo doesnt appear that price_type is used - but could be used to have different offering types billed differently
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* @package App\Models
*/
class Product extends Model implements IDs
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{
use HasFactory,SiteID,ProductDetails,ScopeActive;
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protected $casts = [
'pricing'=>'collection',
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];
/* RELATIONS */
/**
* Get the product name in the users language, and if the user isnt logged in, the sites language
*
* @return \Illuminate\Database\Eloquent\Relations\HasOne
*/
public function description()
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{
return $this->hasOne(ProductTranslate::class)
->where('language_id',(Auth::user() && Auth::user()->language_id) ? Auth::user()->language_id : config('site')->language_id);
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}
/**
* Which services are configured with this product
*
* @return \Illuminate\Database\Eloquent\Relations\HasMany
*/
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public function services()
{
return $this->hasMany(Service::class);
}
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/**
* Return a child model with details of the service
*
* @return \Illuminate\Database\Eloquent\Relations\MorphTo
*/
public function type()
{
return $this->morphTo(null,'model','model_id');
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}
/* INTERFACES */
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public function getLIDAttribute(): string
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{
return sprintf('%04s',$this->id);
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}
public function getSIDAttribute(): string
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{
return sprintf('%02s-%s',$this->site_id,$this->getLIDattribute());
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}
/* ATTRIBUTES */
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/**
* The amount we invoice each time period for this service
*
* @param int|NULL $timeperiod
* @param Group|NULL $go
* @return float
*/
public function getBaseChargeAttribute(int $timeperiod=NULL,Group $go=NULL): float
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{
return $this->getCharge('base',$timeperiod,$go);
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}
/**
* The amount we invoice each time period for this service, including taxes
*
* @param int|null $timeperiod
* @param Group|null $go
* @param Collection|NULL $taxes
* @return float
*/
public function getBaseChargeTaxableAttribute(int $timeperiod=NULL,Group $go=NULL,Collection $taxes=NULL): float
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{
return Tax::tax_calc($this->getBaseChargeAttribute($timeperiod,$go),$taxes ?: config('site')->taxes);
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}
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/**
* The base cost of this product at the appropriate billing interval
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*
* @return float
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*/
public function getBaseCostAttribute(): float
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{
return round($this->type->supplied->base_cost*Invoice::billing_change($this->type->supplied->getBillingIntervalAttribute(),$this->getBillingIntervalAttribute()) ?: 0,2);
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}
/**
* The base cost of this product at the appropriate billing interval including taxes
*
* @param Collection|NULL $taxes
* @return float
*/
public function getBaseCostTaxableAttribute(Collection $taxes=NULL): float
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{
return Tax::tax_calc($this->getBaseCostAttribute(),$taxes ?: config('site')->taxes);;
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}
/**
* Our default billing interval
* Its the max of what we define, or what the supplier bills us at
*
* @return int
*/
public function getBillingIntervalAttribute(): int
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{
return max($this->price_recur_default,$this->type->supplied->getBillingIntervalAttribute());
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}
/**
* How long must this product be purchased for as a service.
*
* @return int
*/
public function getContractTermAttribute(): int
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{
return $this->type->getContractTermAttribute();
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}
/**
* Get the minimum cost of this product
*
* @param int|null $timeperiod
* @param Group|null $go
* @return float
*/
public function getMinChargeAttribute(int $timeperiod=NULL,Group $go=NULL): float
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{
return $this->getSetupChargeAttribute($timeperiod,$go)+$this->getBaseChargeAttribute($timeperiod,$go)*Invoice::billing_term($this->getContractTermAttribute(),$this->getBillingIntervalAttribute());
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}
/**
* Get the minimum cost of this product with taxes
*
* @param int|null $timeperiod
* @param Group|null $go
* @param Collection|NULL $taxes
* @return float
*/
public function getMinChargeTaxableAttribute(int $timeperiod=NULL,Group $go=NULL,Collection $taxes=NULL): float
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{
return Tax::tax_calc($this->getMinChargeAttribute($timeperiod,$go),$taxes ?: config('site')->taxes);
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}
/**
* Our products short descriptive name
*
* @return string
*/
public function getNameAttribute(): string
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{
return $this->description ? $this->description->description_short : 'Unknown PRODUCT';
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}
/**
* Our products PID
*
* @return string
*/
public function getNameShortAttribute(): string
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{
return $this->description ? $this->description->name : 'Unknown PID';
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}
/**
* This product full description
*
* @return string
*/
public function getNameLongAttribute(): string
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{
return $this->description->description_full;
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}
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/**
* Get our product type
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*
* @return string
*/
public function getProductTypeAttribute(): string
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{
return ($this->type && $this->type->supplied) ? $this->type->supplied->getTypeAttribute() : 'Unknown';
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}
/**
* The charge to setup this service
*
* @param int|null $timeperiod
* @param Group|null $go
* @return float
*/
public function getSetupChargeAttribute(int $timeperiod=NULL,Group $go=NULL): float
{
return $this->getCharge('setup',$timeperiod,$go);
}
/**
* The charge to setup this service including taxes
*
* @param int|null $timeperiod
* @param Group|null $go
* @param Collection|null $taxes
* @return float
*/
public function getSetupChargeTaxableAttribute(int $timeperiod=NULL,Group $go=NULL,Collection $taxes=NULL): float
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{
return Tax::tax_calc($this->getSetupChargeAttribute($timeperiod,$go),$taxes ?: config('site')->taxes);
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}
/**
* The charge to setup this service
*
* @return float
*/
public function getSetupCostAttribute(): float
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{
return $this->type->supplied->setup_cost ?: 0;
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}
/**
* The charge to setup this service
*
* @param Collection|null $taxes
* @return float
*/
public function getSetupCostTaxableAttribute(Collection $taxes=NULL): float
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{
return Tax::tax_calc($this->getSetupCostAttribute(),$taxes ?: config('site')->taxes);;
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}
/* METHODS */
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/**
* Return if this product captures usage data
*
* @return bool
*/
public function hasUsage(): bool
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{
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return $this->type->hasUsage();
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}
/**
* Get a charge value from the pricing array
*
* @param string $type
* @param int|NULL $timeperiod
* @param Group|NULL $go
* @return float
*/
private function getCharge(string $type,int $timeperiod=NULL,Group $go=NULL): float
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{
static $default = NULL;
if (! $go) {
if (is_null($default))
$default = Group::findOrFail(0); // All public users
$go = $default;
}
if (is_null($timeperiod))
$timeperiod = $this->getBillingIntervalAttribute();
// If the price doesnt exist for $go->id, use $go->id = 0 which is all users.
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if (! $price=Arr::get($this->pricing,sprintf('%d.%d.%s',$timeperiod,$go->id,$type))) {
$alt_tp = $timeperiod;
while (is_null($price=Arr::get($this->pricing,sprintf('%d.%d.%s',$alt_tp,0,$type))) && ($alt_tp >= 0)) {
$alt_tp--;
}
if (! is_null($price) && $alt_tp !== $timeperiod) {
$price = $price*Invoice::billing_change($alt_tp,$timeperiod);
}
}
// @todo - if price doesnt exist for the time period, reduce down to timeperiod 1 and multiply appropriately.
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if (is_null($price)) {
Log::error(sprintf('Price is still null for [%d] timeperiod [%d] group [%d]',$this->id,$timeperiod,$go->id));
$price = 0;
}
return round($price,2);
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}
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/**
* When receiving an order, validate that we have all the required information for the product type
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*
* @param Request $request
* @return mixed
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*/
public function orderValidation(Request $request): ?Model
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{
return $this->type->orderValidation($request);
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}
}