resource setup

app/Models/Bidders.php

@@ -7,6 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 class Bidders extends Model
 {
     protected $table = 'bidders';
+    
+    protected $primaryKey = 'idbidders';
+
     protected $fillable = [
       'bidder_fname',
       'bidder_lname',

app/Models/Checkout.php

@@ -7,6 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 class Checkout extends Model
 {
     protected $table = 'checkout';
+
+    protected $primaryKey = 'checkout_id';
+
     protected $fillable = [
     'bidder_num',
     'winnertotal',
@@ -25,11 +28,11 @@ class Checkout extends Model
 
     public function bidders()
     {
-        return $this->belongsTo(Bidders::class, 'idbidders');
+        return $this->belongsTo(Bidders::class, 'bidder_num');
     }
 
     public function paymentMethod()
     {
-        return $this->hasMany(PaymentMethods::class, 'payment_method', 'pm_id');
+        return $this->hasMany(PaymentMethods::class, 'pm_id', 'payment_method');
     }
 }

app/Models/Items.php

@@ -7,6 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 class Items extends Model
 {
     protected $table = 'items';
+
+    protected $primaryKey = 'iditems';
+
     protected $fillable = [
     'item_desc',
     'item_min_bid',

app/Models/PaymentMethods.php

@@ -7,6 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 class PaymentMethods extends Model
 {
     protected $table = 'payment_methods';
+
+    protected $primaryKey = 'pm_id';
+
     protected $fillable = [
     'pm_name',
     'created_at',

app/Models/WinningBids.php

@@ -7,6 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 class WinningBids extends Model
 {
     protected $table = 'winning_bids';
+
+    protected $primaryKey = 'idwinning_bids';
+
     protected $fillable = [
     'winning_bidder_num',
     'winning_cost',