Version 2.0

app/Models/Contract.php

@@ -7,9 +7,30 @@ use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
-#[Fillable(['product_id', 'customer_id', 'type', 'start_date', 'end_date', 'status', 'printed_at', 'signed_status'])]
+#[Fillable(['product_id', 'customer_id', 'type', 'category', 'start_date', 'end_date', 'status', 'printed_at', 'signed_status', 'representative_name', 'representative_phone', 'representative_email'])]
 class Contract extends Model
 {
+    protected static function booted(): void
+    {
+        static::saving(function (self $contract) {
+            if ($contract->status === 'active') {
+                $exists = self::where('product_id', $contract->product_id)
+                    ->where('category', $contract->category)
+                    ->where('status', 'active')
+                    ->when($contract->exists, fn ($q) => $q->where('id', '!=', $contract->id))
+                    ->exists();
+
+                if ($exists) {
+                    throw new \RuntimeException(
+                        __('feedback.contract_duplicate_body', [
+                            'product' => $contract->product?->name ?? $contract->product_id,
+                            'customer' => $contract->customer?->name ?? '?',
+                        ])
+                    );
+                }
+            }
+        });
+    }
     protected function casts(): array
     {
         return [

app/Models/Customer.php

@@ -6,14 +6,19 @@ use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
 
 #[Fillable(['name', 'email', 'phone', 'address', 'status'])]
 class Customer extends Model
 {
-    public function products(): BelongsToMany
+    /**
+     * Các căn hộ khách hàng sở hữu (qua HĐ Ownership active)
+     */
+    public function ownedProducts(): BelongsToMany
     {
-        return $this->belongsToMany(Product::class, 'customer_product')
-            ->withPivot('purchase_date')
+        return $this->belongsToMany(Product::class, 'contracts')
+            ->wherePivot('category', 'ownership')
+            ->wherePivot('status', 'active')
             ->withTimestamps();
     }
 

app/Models/CustomerProduct.php

@@ -1,40 +0,0 @@
-<?php
-
-namespace App\Models;
-
-use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\BelongsTo;
-use Illuminate\Database\Eloquent\Relations\HasMany;
-
-class CustomerProduct extends Model
-{
-    protected $table = 'customer_product';
-
-    protected $fillable = [
-        'customer_id',
-        'product_id',
-        'purchase_date',
-    ];
-
-    protected function casts(): array
-    {
-        return [
-            'purchase_date' => 'date',
-        ];
-    }
-
-    public function customer(): BelongsTo
-    {
-        return $this->belongsTo(Customer::class);
-    }
-
-    public function product(): BelongsTo
-    {
-        return $this->belongsTo(Product::class);
-    }
-
-    public function feedbacks(): HasMany
-    {
-        return $this->hasMany(Feedback::class);
-    }
-}

app/Models/Feedback.php

@@ -8,7 +8,7 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
-#[Fillable(['customer_id', 'customer_product_id', 'contract_id', 'feedback_channel_id', 'assigned_to', 'title', 'content', 'status', 'current_department_id', 'is_escalated'])]
+#[Fillable(['customer_id', 'contract_id', 'feedback_channel_id', 'assigned_to', 'title', 'content', 'status', 'current_department_id', 'is_escalated'])]
 class Feedback extends Model
 {
     public function customer(): BelongsTo
@@ -16,11 +16,6 @@ class Feedback extends Model
         return $this->belongsTo(Customer::class);
     }
 
-    public function customerProduct(): BelongsTo
-    {
-        return $this->belongsTo(CustomerProduct::class, 'customer_product_id');
-    }
-
     public function contract(): BelongsTo
     {
         return $this->belongsTo(Contract::class);

app/Models/Product.php

@@ -4,19 +4,11 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
 #[Fillable(['name', 'description', 'status'])]
 class Product extends Model
 {
-    public function customers(): BelongsToMany
-    {
-        return $this->belongsToMany(Customer::class, 'customer_product')
-            ->withPivot('purchase_date')
-            ->withTimestamps();
-    }
-
     public function contracts(): HasMany
     {
         return $this->hasMany(Contract::class);