team members and invitations

app/Models/Project.php

@@ -55,6 +55,11 @@ class Project extends Model
         return $this->hasMany(AlertRule::class);
     }
 
+    public function invitations(): HasMany
+    {
+        return $this->hasMany(ProjectInvitation::class);
+    }
+
     public function regenerateKeys(): void
     {
         $this->update([
@@ -62,4 +67,23 @@ class Project extends Model
             'dsn_secret_key' => Str::uuid()->toString(),
         ]);
     }
+
+    public function userRole(User $user): ?string
+    {
+        return $this->users()
+            ->where('users.id', $user->id)
+            ->first()
+            ?->pivot
+            ?->role;
+    }
+
+    public function hasOwner(User $user): bool
+    {
+        return $this->userRole($user) === 'owner';
+    }
+
+    public function hasAdmin(User $user): bool
+    {
+        return in_array($this->userRole($user), ['owner', 'admin']);
+    }
 }