небольшые добавления

CaseAccounting/CaseAccountingBusinessLogics/BusinessLogics/CaseLogic.cs

@@ -19,8 +19,8 @@ namespace CaseAccountingBusinessLogic.BusinessLogics
 
         public CaseLogic(ILogger<CaseLogic> logger, ICaseStorage caseStorage)
         {
-            _logger = logger;
-            _caseStorage = caseStorage;
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _caseStorage = caseStorage ?? throw new ArgumentNullException(nameof(logger));
         }
 
         public bool Create(CaseBindingModel model)

CaseAccounting/CaseAccountingBusinessLogics/BusinessLogics/ContractLogic.cs

@@ -19,8 +19,8 @@ namespace CaseAccountingBusinessLogic.BusinessLogics
 
         public ContractLogic(ILogger<ContractLogic> logger, IContractStorage contractStorage)
         {
-            _logger = logger;
-            _contractStorage = contractStorage;
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _contractStorage = contractStorage ?? throw new ArgumentNullException(nameof(logger));
         }
 
         public bool Create(ContractBindingModel model)

CaseAccounting/CaseAccountingBusinessLogics/BusinessLogics/DealLogic.cs

@@ -20,7 +20,7 @@ namespace CaseAccountingBusinessLogic.BusinessLogics
         public DealLogic(ILogger<DealLogic> logger, IDealStorage dealStorage)
         {
             _logger = logger ?? throw new ArgumentNullException(nameof(logger));
-            _dealStorage = dealStorage ?? throw new ArgumentNullException(nameof(dealStorage));
+            _dealStorage = dealStorage ?? throw new ArgumentNullException(nameof(logger));
         }
 
         public bool Create(DealBindingModel model)