428 lines
11 KiB
PHP
428 lines
11 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Container\Container;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Http\Request;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\Auth;
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use Illuminate\Support\Facades\File;
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use Illuminate\Support\Str;
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use Leenooks\Traits\ScopeActive;
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use App\Http\Controllers\AccountingController;
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use App\Interfaces\{IDs,ProductItem};
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use App\Traits\{ProductDetails,ProviderRef,SiteID};
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/**
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* Class Product
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* Products that are available to sale, and appear on invoices.
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*
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* Products have one Type (Product/*), made of an Offering (Supplier/*) from a Supplier.
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* Conversely, Suppliers provide Offerings (Supplier/*) which belong to a Type (Product/*) of a Product.
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*
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* So each product attribute has:
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* + supplied : Supplier product provided for this offering (Supplier/*)
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* + type : Returns the underlying product object, representing the type of product (Product/*)
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*
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* Attributes for products:
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* + lid : Local ID for product (part number)
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* + sid : System ID for product (part number)
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* + base_charge : Default billing amount
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* + billing_interval : Default Billing Interval
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* + billing_interval_string: Default Billing Interval in human-readable form
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* + category : Type of product supplied
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* + category_name : Type of product supplied (Friendly Name for display, not for internal logic)
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* + description : Product description (description.description_full => description_full)
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* + min_charge : Minimum charge taking into account billing interval and setup charges
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* + name : Details of our product (description.description_short => name_detail)
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* + pid : Product ID for our Product (description.name => name_short)
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* + setup_charge : Charge to setup this product
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* + supplier : Supplier for this offering
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*
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* Attributes for product types (type - Product/*)
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* + name : Short Name for our Product
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* + name_long : Long Name for our Product
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* + description : Description of offering (Broadband=speed)
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*
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* Attributes for supplier's offerings (type->supplied - Supplier/*)
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* + name : Short Name for suppliers offering
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* + name_long : Long Name for suppliers offering
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* + description : Description of offering (Broadband=speed)
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*
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* Product Pricing self::pricing is an array of:
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* [
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* timeperiod => [
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* show => true|false (show this time period to the user for ordering)
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* group => [ pricing/setup ]
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* ]
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* ]
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*
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* @package App\Models
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*/
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class Product extends Model implements IDs
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{
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use HasFactory,SiteID,ProductDetails,ScopeActive,ProviderRef;
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protected $casts = [
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'pricing'=>'collection',
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];
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/* STATIC */
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/**
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* Return a list of available product types
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*
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* @return Collection
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*/
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public static function availableTypes(): Collection
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{
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$models = collect(File::allFiles(app_path()))
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->map(function ($item) {
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$path = $item->getRelativePathName();
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$class = sprintf('%s%s',
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Container::getInstance()->getNamespace(),
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strtr(substr($path, 0, strrpos($path, '.')), '/', '\\'));
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return $class;
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})
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->filter(function ($class) {
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$valid = FALSE;
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if (class_exists($class)) {
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$reflection = new \ReflectionClass($class);
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$valid = $reflection->isSubclassOf(ProductItem::class) && (! $reflection->isAbstract());
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}
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return $valid;
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});
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return $models->values();
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}
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/* RELATIONS */
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public function providers()
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{
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return $this->belongsToMany(ProviderOauth::class,'product__provider')
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->where('product__provider.site_id',$this->site_id)
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->withPivot('ref');
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}
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/**
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* Which services are configured with this product
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*
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* @return \Illuminate\Database\Eloquent\Relations\HasMany
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*/
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public function services()
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{
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return $this->hasMany(Service::class);
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}
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/**
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* Get the product name in the users language, and if the user isnt logged in, the sites language
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*
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* @return \Illuminate\Database\Eloquent\Relations\HasOne
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*/
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public function translate()
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{
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return $this->hasOne(ProductTranslate::class)
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->where('language_id',(Auth::user() && Auth::user()->language_id)
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? Auth::user()->language_id
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: config('site')->language_id);
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}
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/**
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* Return a child model with details of the service
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* This will return a product/* model.
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*
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* @return \Illuminate\Database\Eloquent\Relations\MorphTo
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*/
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public function type()
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{
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return $this->morphTo(null,'model','model_id');
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}
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/* INTERFACES */
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public function getLIDAttribute(): string
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{
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return sprintf('%04s',$this->id);
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}
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public function getSIDAttribute(): string
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{
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return sprintf('%02s-%s',$this->site_id,$this->getLIDattribute());
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}
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/* ATTRIBUTES */
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/**
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* The amount we invoice each time period for this service
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*
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* @param int|NULL $timeperiod
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* @param Group|NULL $go
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* @return float
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*/
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public function getBaseChargeAttribute(int $timeperiod=NULL,Group $go=NULL): float
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{
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return $this->_charge('base',$timeperiod,$go);
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}
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/**
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* The base cost of this product at the appropriate billing interval
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*
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* @return float
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*/
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public function getBaseCostAttribute(): float
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{
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return round($this->supplied->base_cost,2)*Invoice::billing_change($this->type->billing_interval,$this->billing_interval) ?: 0;
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}
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/**
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* Our default billing interval
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* Its the max of what we define, or what the supplier bills us at
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*
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* @return int
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*/
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public function getBillingIntervalAttribute(): int
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{
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return max($this->price_recur_default,$this->type->billing_interval);
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}
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/**
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* This will return the category of the product (eg: domain, webhosting, etc) which is the basis for all
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* other logic of these types.
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*
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* @return string
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*/
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public function getCategoryAttribute(): string
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{
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return strtolower(Str::studly($this->category_name));
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}
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/**
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* Return the type of service is provided. eg: Broadband, Phone.
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* This will return the category of the product (eg: domain, hosting, etc) which is the basis for all
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* other logic of these types.
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*
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* @return string
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*/
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public function getCategoryNameAttribute(): string
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{
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return $this->supplied->category_name;
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}
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/**
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* How long must this product be purchased for as a service.
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*
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* @return int
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*/
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public function getContractTermAttribute(): int
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{
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return $this->type->contract_term;
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}
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/**
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* This product full description
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*
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* @return string
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*/
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public function getDescriptionAttribute(): string
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{
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return $this->translate->description;
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}
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/**
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* Get the minimum charge for this product
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*
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* @param int|null $timeperiod
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* @param Group|null $go
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* @return float
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*/
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public function getMinChargeAttribute(int $timeperiod=NULL,Group $go=NULL): float
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{
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return $this->getSetupChargeAttribute($timeperiod,$go)
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+ $this->getBaseChargeAttribute($timeperiod,$go)*Invoice::billing_change($this->billing_interval,$this->type->billing_interval)*$this->type->contract_term;
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}
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/**
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* Get the minimum cost for this product
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*
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* @return float
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*/
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public function getMinCostAttribute(): float
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{
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return $this->supplied->min_cost;
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}
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/**
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* Our products short descriptive name
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*
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* @return string
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*/
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public function getNameAttribute(): string
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{
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return $this->translate->name_detail;
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}
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/**
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* Our products PID
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*
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* @return string
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*/
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public function getPIDAttribute(): string
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{
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return $this->translate->name_short;
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}
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/**
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* Suppliers product
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*
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* @return Model
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*/
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public function getSuppliedAttribute(): Model
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{
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return $this->type->supplied;
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}
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/**
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* Suppliers of this product
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*
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* @return Model|null
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*/
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public function getSupplierAttribute(): ?Model
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{
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return $this->supplied->supplier;
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}
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/**
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* The charge to setup this service
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*
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* @param int|null $timeperiod
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* @param Group|null $go
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* @return float
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*/
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public function getSetupChargeAttribute(int $timeperiod=NULL,Group $go=NULL): float
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{
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return $this->_charge('setup',$timeperiod,$go);
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}
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/**
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* The cost to setup this service
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*
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* @return float
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*/
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public function getSetupCostAttribute(): float
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{
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return $this->supplied->setup_cost ?: 0;
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}
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/* METHODS */
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/**
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* Get a charge value from the pricing array
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*
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* This will traverse the groups to the parent group to find an appropriate charge, if one is not found,
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* it will extrapolate a charge from the parent group, from another time period.
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*
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* @param string $type
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* @param int|NULL $timeperiod
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* @param Group|NULL $go
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* @return float
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*/
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private function _charge(string $type,int $timeperiod=NULL,Group $go=NULL): float
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{
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// We'll cache this for performance
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static $default = NULL;
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// All public users
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if (is_null($default))
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$default = Group::whereNull('parent_id')->firstOrFail();
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if (! $go)
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$go = $default;
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if (is_null($timeperiod))
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$timeperiod = $this->billing_interval;
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// If the price doesnt exist for $go->id, use $go->id = 0 which is all users.
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if (! $price=$this->charge($timeperiod,$go,$type)) {
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$alt_tp = $timeperiod;
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// Traverse up our timeperiods if the default group to see if there is another time period that has the value
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while (is_null($price=$this->charge($alt_tp,$default,$type)) && ($alt_tp >= 0))
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$alt_tp--;
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// If we havent got a price, we'll extrapolate one, except for setup charges
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if (! is_null($price) && ($alt_tp !== $timeperiod) && ($type !== 'setup'))
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$price = $price*Invoice::billing_change($alt_tp,$timeperiod);
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}
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return round($price,2);
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}
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public function accounting(string $provider): Collection
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{
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return AccountingController::list($provider);
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}
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/**
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* Return the charge from the pricing table for the specific time period and group
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*
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* @param int $timeperiod
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* @param Group $go
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* @param string $type
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* @return float|null
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*/
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public function charge(int $timeperiod,Group $go,string $type): ?float
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{
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return Arr::get($this->pricing,sprintf('%d.%d.%s',$timeperiod,$go->id,$type));
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}
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/**
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* Do we have a charge for specific group/period
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*
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* @param int $timeperiod
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* @return bool
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*/
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public function charge_available(int $timeperiod): bool
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{
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return Arr::get($this->pricing,sprintf('%d.show',$timeperiod),FALSE);
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}
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/**
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* Return a normalize price dependent on the product, ie: Broadband = Monthly, Domain = Yearly, etc
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*
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* @note: By definition products are normalised, as their cost price is based on the default billing interval
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* @return float
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*/
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public function cost_normalized(): float
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{
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return number_format(config('site')->taxed($this->supplied->base_cost),2);
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}
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/**
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* Return if this product captures usage data
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*
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* @return bool
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*/
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public function hasUsage(): bool
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{
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return $this->type->hasUsage();
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}
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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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*
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* @param Request $request
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* @return Model|null
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*/
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public function orderValidation(Request $request): ?Model
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{
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return $this->type->orderValidation($request);
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}
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} |