From 79d6c4eafd2a0b735c4adfe5146ed70326132eb3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kamil=20B=C4=85czek?=
 <74410956+kamilbaczek@users.noreply.github.com>
Date: Thu, 1 Feb 2024 07:44:14 +0100
Subject: [PATCH] refactor: rename binding contract initialization

---
 .../Src/Fitnet.Contracts.Core/Contract.cs              | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/Chapter-4-applying-tactical-domain-driven-design/Fitnet.Contracts/Src/Fitnet.Contracts.Core/Contract.cs b/Chapter-4-applying-tactical-domain-driven-design/Fitnet.Contracts/Src/Fitnet.Contracts.Core/Contract.cs
index 64618306..8ec00f7e 100644
--- a/Chapter-4-applying-tactical-domain-driven-design/Fitnet.Contracts/Src/Fitnet.Contracts.Core/Contract.cs
+++ b/Chapter-4-applying-tactical-domain-driven-design/Fitnet.Contracts/Src/Fitnet.Contracts.Core/Contract.cs
@@ -43,19 +43,17 @@ public static Contract Prepare(Guid customerId, int customerAge, int customerHei
             StandardDuration);
     }
 
-    internal BindingContract Sign(DateTimeOffset signedAt, DateTimeOffset dateNow)
+    public BindingContract Sign(DateTimeOffset signedAt, DateTimeOffset dateNow)
     {
-        if (IsSigned)
-        {
-            throw new ContractAlreadySignedException();
-        }
+        BusinessRuleValidator.Validate(
+            new ContractMustNotBeAlreadySigned(IsSigned));
 
         BusinessRuleValidator.Validate(
             new ContractCanOnlyBeSignedWithin30DaysFromPreparation(PreparedAt, signedAt));
 
         SignedAt = signedAt;
         var expiringAt = dateNow.Add(Duration);
-        var bindingContract = BindingContract.Acceptance(Id, CustomerId, Duration, expiringAt);
+        var bindingContract = BindingContract.Start(Id, CustomerId, Duration, expiringAt);
 
         return bindingContract;
     }