Order user couples by marriage_date

Order female husbands by marriage_date
Order male wifes by marriage_date

app/User.php

@@ -128,7 +128,7 @@ class User extends Authenticatable
 
     public function wifes()
     {
-        return $this->belongsToMany(User::class, 'couples', 'husband_id', 'wife_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps();
+        return $this->belongsToMany(User::class, 'couples', 'husband_id', 'wife_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps()->orderBy('marriage_date');
     }
 
     public function addWife(User $wife, $marriageDate = null)
@@ -146,7 +146,7 @@ class User extends Authenticatable
 
     public function husbands()
     {
-        return $this->belongsToMany(User::class, 'couples', 'wife_id', 'husband_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps();
+        return $this->belongsToMany(User::class, 'couples', 'wife_id', 'husband_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps()->orderBy('marriage_date');
     }
 
     public function addHusband(User $husband, $marriageDate = null)
@@ -170,10 +170,10 @@ class User extends Authenticatable
     public function couples()
     {
         if ($this->gender_id == 1) {
-            return $this->belongsToMany(User::class, 'couples', 'husband_id', 'wife_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps();
+            return $this->belongsToMany(User::class, 'couples', 'husband_id', 'wife_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps()->orderBy('marriage_date');
         }
 
-        return $this->belongsToMany(User::class, 'couples', 'wife_id', 'husband_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps();
+        return $this->belongsToMany(User::class, 'couples', 'wife_id', 'husband_id')->using('App\CouplePivot')->withPivot(['id'])->withTimestamps()->orderBy('marriage_date');
     }
 
     public function marriages()

tests/Unit/UserTest.php

@@ -55,9 +55,16 @@ class UserTest extends TestCase
         $husband->addWife($wife1, '1990-02-13');
         $husband->addWife($wife2, '1999-04-21');
 
-        $marriages = $husband->fresh()->marriages;
+        $husband = $husband->fresh();
+        $marriages = $husband->marriages;
         $this->assertEquals('1990-02-13', $marriages->first()->marriage_date);
         $this->assertEquals('1999-04-21', $marriages->last()->marriage_date);
+
+        $this->assertEquals($wife1->name, $husband->couples->first()->name);
+        $this->assertEquals($wife2->name, $husband->couples->last()->name);
+
+        $this->assertEquals($wife1->name, $husband->wifes->first()->name);
+        $this->assertEquals($wife2->name, $husband->wifes->last()->name);
     }
 
     /** @test */
@@ -69,9 +76,16 @@ class UserTest extends TestCase
         $wife->addHusband($husband1, '1980-02-13');
         $wife->addHusband($husband2, '1989-04-21');
 
-        $marriages = $wife->fresh()->marriages;
+        $wife = $wife->fresh();
+        $marriages = $wife->marriages;
         $this->assertEquals('1980-02-13', $marriages->first()->marriage_date);
         $this->assertEquals('1989-04-21', $marriages->last()->marriage_date);
+
+        $this->assertEquals($husband1->name, $wife->couples->first()->name);
+        $this->assertEquals($husband2->name, $wife->couples->last()->name);
+
+        $this->assertEquals($husband1->name, $wife->husbands->first()->name);
+        $this->assertEquals($husband2->name, $wife->husbands->last()->name);
     }
 
     /** @test */