Interview Refactoring Tast | C# Online Compiler

Interview Refactoring Tast by YuraMaks

public static class UserService {
  public static int GetUserRating(User user, bool useCache, bool saveToDb = true) 
  {
    
    if (user.Type == UserType.SuperUser) {
      // admin or moderator
      return user.Id == "3aa857aa-77bf-4f8e-8545-3fffca0aa20d" ? 9999 : 1000;
    } else {
      // First, try get from cache if flag is true
      if (useCache) {
        var cacheSingleton = UserRatingCache.GetInstance();
        if (cacheSingleton.FindById(id) != null) {
          var entry = cacheSingleton.FindById(id);
          return entry.Rating;
        }
      } else if (user.LastModifiedDate > new DateTime(2015, 7, 20)) {
        // For users active after 07.20.2015 calculate based on data from db 
        var sqlDbRepository = new SqlDbRepository("Server=AppServer2\SQLSERVER;Database=appDb;User Id=admin;Password=1qazxsw2;");
        var data = sqlDbRepository.GetUserDataAsync(id)?.Result;
        var value1 = data.TotalPostsWritten;
        var value2 = data.LikesReceived / 30;
        if (saveToDb)
          sqlDbRepository.SaveUserRatingAsync(user.Id, (value1 + value2) / 2);
        return (value1 + value2) / 2;
      } else {
        // For old users get rating from legacy API
        var client = new HttpClient();
        var response = client.GetAsync("https://legacyapi.com/users/" + user.Id).Result;
        if (response.IsSuccessStatusCode) {
          return int.Parse(response.Content.ReadAsStringAsync().Result);
        } else {
          // error
          return -1;
        }
      }
    }
  }
	
  public static async Task<(Permissions model, Permissions metamodel, UserRoles roles)> GetUserPermissions() {
    var result1 = await FirstMethodAsync();
    var result2 = await SecondMethodAsync();
    var result3 = await ThirdMethodAsync();

    return (model: result1, metamodel: result2, roles: result3)
  }
}

​x
 
public static class UserService {
  public static int GetUserRating(User user, bool useCache, bool saveToDb = true) 
  {
    
    if (user.Type == UserType.SuperUser) {
      // admin or moderator
      return user.Id == "3aa857aa-77bf-4f8e-8545-3fffca0aa20d" ? 9999 : 1000;
    } else {
      // First, try get from cache if flag is true
      if (useCache) {
        var cacheSingleton = UserRatingCache.GetInstance();
        if (cacheSingleton.FindById(id) != null) {
          var entry = cacheSingleton.FindById(id);
          return entry.Rating;
        }
      } else if (user.LastModifiedDate > new DateTime(2015, 7, 20)) {
        // For users active after 07.20.2015 calculate based on data from db 
        var sqlDbRepository = new SqlDbRepository("Server=AppServer2\SQLSERVER;Database=appDb;User Id=admin;Password=1qazxsw2;");
        var data = sqlDbRepository.GetUserDataAsync(id)?.Result;
        var value1 = data.TotalPostsWritten;
        var value2 = data.LikesReceived / 30;
        if (saveToDb)
          sqlDbRepository.SaveUserRatingAsync(user.Id, (value1 + value2) / 2);
        return (value1 + value2) / 2;
      } else {
        // For old users get rating from legacy API
        var client = new HttpClient();
        var response = client.GetAsync("https://legacyapi.com/users/" + user.Id).Result;
        if (response.IsSuccessStatusCode) {
          return int.Parse(response.Content.ReadAsStringAsync().Result);
        } else {
          // error
          return -1;
        }
      }
    }
  }
    
  public static async Task<(Permissions model, Permissions metamodel, UserRoles roles)> GetUserPermissions() {
    var result1 = await FirstMethodAsync();
    var result2 = await SecondMethodAsync();
    var result3 = await ThirdMethodAsync();
​
    return (model: result1, metamodel: result2, roles: result3)
  }
}

Compilation error (line 18, col 69): Unrecognized escape sequence
Compilation error (line 44, col 64): ; expected
Compilation error (line 2, col 35): The type or namespace name 'User' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 39, col 23): The type or namespace name 'Task<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 39, col 29): The type or namespace name 'Permissions' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 39, col 48): The type or namespace name 'Permissions' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 39, col 71): The type or namespace name 'UserRoles' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 1, col 1): Program does not contain a static 'Main' method suitable for an entry point
Compilation error (line 5, col 22): The name 'UserType' does not exist in the current context
Compilation error (line 11, col 30): The name 'UserRatingCache' does not exist in the current context
Compilation error (line 12, col 37): The name 'id' does not exist in the current context
Compilation error (line 13, col 47): The name 'id' does not exist in the current context
Compilation error (line 16, col 46): The type or namespace name 'DateTime' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 18, col 35): The type or namespace name 'SqlDbRepository' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 19, col 53): The name 'id' does not exist in the current context
Compilation error (line 27, col 26): The type or namespace name 'HttpClient' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 2, col 21): 'UserService.GetUserRating(User, bool, bool)': not all code paths return a value
Compilation error (line 40, col 25): The name 'FirstMethodAsync' does not exist in the current context
Compilation error (line 41, col 25): The name 'SecondMethodAsync' does not exist in the current context
Compilation error (line 42, col 25): The name 'ThirdMethodAsync' does not exist in the current context

Last Run:	9:35:34 pm
Compile:	0.007s
Execute:	0s
Memory:	0b
CPU:	0s

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