more tests for user rep

Govor.Data/Repositories/UsersRepository.cs

@@ -22,11 +22,14 @@ public class UsersRepository : IUsersRepository
         return await _context.Users
             .AsNoTracking()
             .Where(x => true)
-            .ToListAsync();
+            .ToListOrThrowIfEmpty(new NotFoundException("Users in Database not exists"));
     }
 
     public async Task<User> FindById(Guid id)
     {
+        if(id == Guid.Empty)
+            throw new ArgumentException("Id must not be empty", nameof(id));
+        
         return await _context.Users
             .AsNoTracking()
             .FirstOrDefaultAsync(x => x.Id == id)
@@ -35,45 +38,101 @@ public class UsersRepository : IUsersRepository
 
     public async Task<List<User>> FindByRangeId(IEnumerable<Guid> ids)
     {
+        if (ids is null || !ids.Any())
+            throw new ArgumentException("Ids must not be empty", nameof(ids));
+        
         return await _context.Users
             .AsNoTracking()
             .Where(x => ids.Contains(x.Id))
             .ToListOrThrowIfEmpty(new NotFoundByKeyException<IEnumerable<Guid>>(ids,"Users with given ids not found"));
     }
     
-    public async Task<List<User>> FindUsersByName(string username)
+    public async Task<User> FindByUsername(string username)
     {
+        if(username is null || username == string.Empty)
+            throw new ArgumentNullException(username, "Username cannot be empty");
+        
         return await _context.Users
             .AsNoTracking()
-            .Where(x => x.Username == username)
-            .ToListOrThrowIfEmpty(new NotFoundByKeyException<string>(username, "Users with given username not found"));
+            .FirstOrDefaultAsync(x => x.Username == username) 
+               ?? throw new NotFoundByKeyException<string>(username, "User with given username does not exist");
     }
     
-    public async Task<List<User>> FindByRangeUsername(IEnumerable<string> usernames)
+    public async Task<List<User>> FindByRangeUsernames(IEnumerable<string> usernames)
     {
+        if (usernames is null || !usernames.Any())
+            throw new ArgumentException("Usernames must not be empty", nameof(usernames));
+
         return await _context.Users
             .AsNoTracking()
             .Where(x => usernames.Contains(x.Username))
             .ToListOrThrowIfEmpty(new NotFoundByKeyException<IEnumerable<string>>(usernames, "Users with given usernames not found"));
     }
 
-    public Task<List<User>> FindUsersByCreatedDate(DateOnly createdDate)
+    public async Task<List<User>> FindUsersByCreatedDate(DateOnly createdDate)
     {
-        throw new NotImplementedException();
+        if(createdDate == DateOnly.MinValue)
+            throw new ArgumentException("Created date cannot be earlier than MinValue", nameof(createdDate));
+
+        return await _context.Users
+            .AsNoTracking()
+            .Where(u => createdDate == u.CreatedOn)
+            .ToListOrThrowIfEmpty(new NotFoundByKeyException<DateOnly>(createdDate, "Users with given created date do not exist"));
+    }
+    
+    public async Task Add(User user)
+    {
+        try
+        {
+            _validator.Validate(user);
+
+            _context.Users.Add(user);
+
+            await _context.SaveChangesAsync();
+        }
+        catch (InvalidObjectException<User> ex)
+        {
+            throw new AdditionUserException("User with given data invalid", ex);
+        }
+        catch (Exception ex)
+        {
+            throw new AdditionUserException("Cannot add user", ex);
+        }
     }
 
-    public Task Add(User user)
+    public async Task Update(User user)
     {
-        throw new NotImplementedException();
-    }
+        try
+        {
+            _validator.Validate(user);
 
-    public Task Update(User user)
-    {
-        throw new NotImplementedException();
+            var rowsAffected = await _context.Users
+                .Where(u => u.Id == user.Id)
+                .ExecuteUpdateAsync(u => u
+                    .SetProperty(a => a.Username, user.Username)
+                    .SetProperty(u => u.IconId, user.IconId)
+                    .SetProperty(u => u.Description, user.Description)
+                    .SetProperty(u => u.CreatedOn, user.CreatedOn)
+                    .SetProperty(u => u.HashPassword, user.HashPassword)
+                    .SetProperty(u => u.WasOnline, user.WasOnline)
+                );
+
+            if (rowsAffected == 0)
+                throw new NotFoundByKeyException<Guid>(user.Id);
+        }
+        catch (NotFoundByKeyException<Guid> ex)
+        {
+            throw new UserUpdateException($"Not found user by given id {user.Id}", ex);
+        }
+        catch (Exception ex)
+        {
+            throw new UserUpdateException($"Error when updating the user {user.Id}", ex);
+        }
     }
 
     public Task Remove(User user)
     {
+        _validator.Validate(user);
         throw new NotImplementedException();
     }
 
@@ -84,6 +143,7 @@ public class UsersRepository : IUsersRepository
 
     public Task<bool> Exists(User user)
     {
+        _validator.Validate(user);
         throw new NotImplementedException();
     }
 
@@ -96,4 +156,11 @@ public class UsersRepository : IUsersRepository
     {
         throw new NotImplementedException();
     }
-}
+}
+
+public class AdditionUserException(string s, Exception ex) 
+    : Exception(s, ex);
+
+public class UserUpdateException(string s, Exception ex)
+    : Exception(s, ex);
+