Created more proper NotFound exceptions

SchengenVisaApi/Infrastructure/Database/Applicants/Repositories/ApplicantsRepository.cs

@@ -1,5 +1,4 @@
 using ApplicationLayer.Applicants;
-using ApplicationLayer.Common;
 using Domains.ApplicantDomain;
 using Infrastructure.Database.Generic;
 using Microsoft.EntityFrameworkCore;

SchengenVisaApi/Infrastructure/Database/GeneralExceptions/EntityNotFoundByIdException.cs

@@ -0,0 +1,10 @@
+using Domains;
+
+namespace Infrastructure.Database.GeneralExceptions
+{
+    /// Exception to throw when entity not found
+    /// <param name="id">Identifier of entity</param>
+    /// <typeparam name="T">Type of entity</typeparam>
+    public class EntityNotFoundByIdException<T>(Guid id) : EntityNotFoundException<T>($"Entity {typeof(T).Name} with id {id} not found.")
+        where T : class, IEntity;
+}

SchengenVisaApi/Infrastructure/Database/GeneralExceptions/EntityNotFoundException.cs

@@ -2,8 +2,7 @@
 
 namespace Infrastructure.Database.GeneralExceptions;
 
-/// Exception to throw when entity with specific id not found
-/// <param name="id">Identifier of entity</param>
+/// Exception to throw when entity not found
 /// <typeparam name="T">Not found entity type</typeparam>
-public class EntityNotFoundException<T>(Guid id) : Exception($"Entity {typeof(T).Name} with id '{id}' not found")
+public class EntityNotFoundException<T>(string message) : Exception(message)
     where T : class, IEntity;

SchengenVisaApi/Infrastructure/Database/Generic/GenericRepository.cs

@@ -21,7 +21,7 @@ public abstract class GenericRepository<T>(IGenericReader reader, IGenericWriter
     public async Task<T> GetOneAsync(Guid id, CancellationToken cancellationToken)
     {
         var result = await LoadDomain().SingleOrDefaultAsync(a => a.Id == id, cancellationToken);
-        return result ?? throw new EntityNotFoundException<T>(id);
+        return result ?? throw new EntityNotFoundByIdException<T>(id);
     }
 
     /// <inheritdoc cref="IGenericRepository{T}.AddAsync"/>

SchengenVisaApi/Infrastructure/Database/Locations/Repositories/Cities/CitiesRepository.cs

@@ -1,6 +1,7 @@
 using ApplicationLayer.Locations;
 using Domains.LocationDomain;
 using Infrastructure.Database.Generic;
+using Infrastructure.Database.Locations.Repositories.Cities.Exceptions;
 using Microsoft.EntityFrameworkCore;
 
 namespace Infrastructure.Database.Locations.Repositories.Cities;
@@ -12,4 +13,12 @@ public sealed class CitiesRepository(IGenericReader reader, IGenericWriter write
     {
         return base.LoadDomain().Include(c => c.Country);
     }
+
+    ///<inheritdoc cref="ICitiesRepository.GetByNameAsync"/>
+    /// <exception cref="CityNotFoundByNameException">city with provided name and country not found</exception>
+    public async Task<City> GetByNameAsync(string name, string countryName, CancellationToken cancellationToken)
+    {
+        var result = await LoadDomain().Where(c => c.Name == name && c.Country.Name == countryName).SingleOrDefaultAsync(cancellationToken);
+        return result ?? throw new CityNotFoundByNameException(name, countryName);
+    }
 }

SchengenVisaApi/Infrastructure/Database/Locations/Repositories/Cities/Exceptions/CityNotFoundByNameException.cs

@@ -0,0 +1,11 @@
+using Domains.LocationDomain;
+using Infrastructure.Database.GeneralExceptions;
+
+namespace Infrastructure.Database.Locations.Repositories.Cities.Exceptions
+{
+    /// Exception to throw when city cannot be found by its name and its country name
+    /// <param name="name">Name of the city</param>
+    /// <param name="countryName">name of the city's country</param>
+    public class CityNotFoundByNameException(string name, string countryName)
+        : EntityNotFoundException<City>($"{name} with country {countryName} not found.");
+}

SchengenVisaApi/Infrastructure/DependencyInjection.cs

@@ -1,5 +1,4 @@
 using ApplicationLayer.Applicants;
-using ApplicationLayer.Common;
 using ApplicationLayer.Locations;
 using ApplicationLayer.VisaApplications;
 using Infrastructure.Database;