ECOMMERCE/app/Models/Items.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Builder;
use Cviebrock\EloquentSluggable\Sluggable;
use Illuminate\Database\Eloquent\SoftDeletes;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use DB;
// use Awobaz\Compoships\Compoships;
use Spatie\Activitylog\LogOptions;
use Cache;

class Items extends Model
{
    use HasFactory, SoftDeletes;
    // use Compoships;

    public function getActivitylogOptions(): LogOptions
    {
        return LogOptions::defaults();
   }

    // protected $with = ['brands', 'categories'];
    protected $table = 'items';
    protected $primaryKey = 'id';
    protected $guarded = ['id'];

    protected $fillable = [
        'number',
        'name',
        'brand_id',
        'category_id',
        'image',
        'description',
        'weight',
        'is_publish',

        // BC data
        'type',
        'unit',
        'display_unit',
        'unit_cost',
        'costing_method',
        'last_direct_cost',
        'unit_price',
        'price_include_vat',
        'sales_blocked',
        'purchasing_blocked',
        'profit_percent',
        'net_weight',
        'gross_weight',
        'unit_volume',
        'net_price',
        'ref_id',

        // purchase,
        'alias_name',
        'group_type',
        'model_type',

        'slug'
    ];

    public function scopeFilter(Builder $query, array $filters)
    {
        $query->when($filters['search'] ?? false, function ($query, $search) {
            return $query
                ->where('number', 'iLIKE', '%' . $search . '%')
                ->orWhere('name', 'iLIKE', '%' . $search . '%');
        });
    }

    public function order()
    {
        return $this->hasMany(SaleOrderDetail::class, 'item_id', 'id');
    }

    public function dimension()
    {
        return $this->hasOne(ItemDimension::class,"no","number");
    }

    public function reference()
    {
        return $this->hasOne(ItemReference::class,'item_id')
                ->where(function($query){
                        $query->whereNull("item_variant_id")->orWhere("item_variant_id",0);
                });
    }

    public function variants()
    {
        return $this->hasMany(ItemVariant::class,"item_id")->leftJoin("stocks","item_variant_id","=","item_variants.id")
            ->select("item_variants.id","item_variants.code","item_variants.display_name","item_variants.is_publish", DB::raw("SUM(quantity) as stock"),"description","item_variants.item_id")
            ->groupBy("item_variants.id","item_variants.code","description","item_variants.item_id");
    }

    public function images()
    {
        return $this->hasMany(ItemImage::class,'item_id')->whereNull('item_variant_id');
    }

    public function itemVariants()
    {
        return $this->hasMany(ItemVariant::class,"item_id")->with("reference");
    }

    public function publishedItemVariants()
    {
        return $this->hasMany(ItemVariant::class,"item_id")->with("reference")->where('is_publish', true);
    }

    public function brands()
    {
        return $this->belongsTo(Brand::class, 'brand_id', 'id');
    }

    public function categories()
    {
        return $this->belongsTo(Categories::class, 'categories_id', 'id');
    }

    public function brand()
    {
        return $this->belongsTo(Brand::class, 'brand_id', 'id');
    }

    public function gender()
    {
        return $this->belongsTo(Gender::class, 'gender_id', 'id');
    }

    public function category()
    {
        return $this->belongsTo(Categories::class, 'category_id', 'id');
    }

    public function discount()
    {
        $user = auth()->user();
        list($location_id, $is_consignment) = Cache::remember("employee_user_".$user->id, 60 * 60 * 24, function() use ($user){
    if ($user == null)
               return [10, false];

            $employee = @$user->employee;
            $location_id = @$employee->location_id;
            $location = @$employee->location;
            $is_consignment = (boolean) @$location->is_consignment;
            return [$location_id, $is_consignment];

        });

        return $this->hasOne(Discount::class,DB::raw("item_reference.item_id"))
            ->leftJoin("discount_items","discounts.id","=","discount_id")
            ->leftJoin("item_reference","item_reference.id","=","item_reference_id")
            ->where("discounts.type","discount")
            ->orderBy("discounts.created_at","desc")
            ->where(function ($query) {
                $query->whereNull("valid_at")
                    ->orWhereDate("valid_at", "<=", Carbon::now());
            })
            ->where(function ($query) {
                $query->whereNull("expired_at")
                    ->orWhereDate("expired_at", ">=", Carbon::now());
            })
            ->where(function($query) use ($location_id, $is_consignment){
                if (!$is_consignment)
                    $query->whereNull("discounts.location_id");
                if ($location_id)
                    $query->orWhere("discounts.location_id", $location_id);
            })
            ->select("item_id","price");
    }

    public function price()
    {

        $user = auth()->user();
        list($location_id, $is_consignment) = Cache::remember("employee_user_".$user->id, 60 * 60 * 24, function() use ($user){

    if ($user == null)
               return [10, false];

            $employee = @$user->employee;
            $location_id = @$employee->location_id;
            $location = @$employee->location;
            $is_consignment = (boolean) @$location->is_consignment;
            return [$location_id, $is_consignment];

        });

        return $this->hasOne(Discount::class,DB::raw("item_reference.item_id"))
            ->leftJoin("discount_items","discounts.id","=","discount_id")
            ->leftJoin("item_reference","item_reference.id","=","item_reference_id")
            ->where("discounts.type","price")
            ->orderBy("discounts.created_at","desc")
            ->where(function ($query) {
                $query->whereNull("valid_at")
                    ->orWhereDate("valid_at", "<=", Carbon::now());
            })
            ->where(function ($query) {
                $query->whereNull("expired_at")
                    ->orWhereDate("expired_at", ">=", Carbon::now());
            })
            ->where(function($query) use ($location_id, $is_consignment){
                if (!$is_consignment)
                    $query->whereNull("discounts.location_id");
                if ($location_id)
                    $query->orWhere("discounts.location_id", $location_id);
            })
            ->select("item_id","price");
    }

    public function stock()
    {
        return $this->hasOne(Stock::class,"item_id")
            ->leftJoin("locations","locations.id","=","location_id")
            ->whereNotNull("locations.display_name")
            ->where("locations.display_name","<>","")
            ->where("quantity",">","0")
            ->groupBy("item_id")
            ->select("item_id",DB::raw("SUM(quantity) as quantity"));
    }

    public function attributes()
    {
        return $this->hasMany(ItemAttribute::class, 'item_id');
    }
}