C#•2w ago

BL Mapping help

I have finished my BL DTO's and want to map my DTO with the EF DAL How do I map it when inside the create DTO is a another CreateDTO?

 // Table Actions of the table
 public List<RestauraceAkceStoluCreateDto> AkceStolu { get; set; } = [];

 // All the products in the Table
 public List<RestauraceObjednavkaPolozkyCreateDto> Polozky { get; set; } = [];

 // Table Actions of the table
 public List<RestauraceAkceStoluCreateDto> AkceStolu { get; set; } = [];

 // All the products in the Table
 public List<RestauraceObjednavkaPolozkyCreateDto> Polozky { get; set; } = [];

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13 Replies

taner.•2w ago

Do u use Mapster or AutoMapper?

Mayor McCheese•2w ago

Automapper is generally not recommended. It's very easy for things to go wrong I usually just map by hand unless I've got some cross cutting mapping concern I want enforced

taner.•2w ago

That’s why I’m asking

Mayor McCheese•2w ago

Some people just do a ToDTO, FromDTO in the DAL object. Others use mapping classes. Being consistent is more important here imho

taner.•2w ago

Make an extension method for this class and then u are good to go

Mayor McCheese•2w ago

That's another option for certain Consistency is key

spit on that Thang CHO BOCOP•2w ago

Mapperly

taner.•2w ago

Im pretty sure u can define specific mapping options for the object

spit on that Thang CHO BOCOP•2w ago

The thing is i don't have much experience with mapping and DTO's Should I ignore it or Map it? The child DTO is the question since I have everything required since I had imagined it worked that way I have to define(map) the whole create dto if that scenario happends or can I just opt to ignore it

taner.•2w ago

from what i see it should be handle. Here is a pic. from maperly how u create a mapper:

spit on that Thang CHO BOCOP•2w ago

Ohh okay I thought directly using [MapProperty]

Mayor McCheese•2w ago

I want front end DTOs to be as flat as possible

spit on that Thang CHO BOCOP•2w ago

Should I just put raw EF entities instead of CreateDto's?

// Order header record
public class RestauraceObjednavkaHeaderCreateDto
{
    public string? HeaderId { get; set; }
    public required int StulId { get; set; }
    public Status StatusStolu { get; set; } = Status.Open;

    // Table Actions of the table
    public List<RestauraceAkceStoluCreateDto> AkceStolu { get; set; } = [];

    // All the products in the Table
    public List<RestauraceObjednavkaPolozkyCreateDto> Polozky { get; set; } = [];
}

// Order header record
public class RestauraceObjednavkaHeaderCreateDto
{
    public string? HeaderId { get; set; }
    public required int StulId { get; set; }
    public Status StatusStolu { get; set; } = Status.Open;

    // Table Actions of the table
    public List<RestauraceAkceStoluCreateDto> AkceStolu { get; set; } = [];

    // All the products in the Table
    public List<RestauraceObjednavkaPolozkyCreateDto> Polozky { get; set; } = [];
}

The logic I wanted to concieve: The waiter (role we getting from auth) opens up a table it will create using this DTO He can Directly order items(polozky) on the specified table Id . And the Action will be created immediately because I track Opening tables too. The Entity I am refering to:

public class RestauraceObjednavkaHeader
{
    public required string RestauraceObjednavkaHeaderId { get; set; }

    // Foreign key | Restaurace_Akce_Stolu N:1 Header
    public required ICollection<RestauraceAkceStolu> RestauraceAkceStolu { get; set; } = [];

    // Navigation property | Restaurace_Objednavka_Header N:1 Stul
    public required int StulId { get; set; }
    public required Stul Stul { get; set; }

    // Table status
    public required Status StatusStolu { get; set; } = Status.Open;

    // Navigation property | Restaurace_Transakce_Id N:1 Header
    public required ICollection<RestauraceTransakce> Transakce { get; set; } = [];

    // Navigation property | Restaurace_Objednavka_Header 1:N Polozka
    public required ICollection<RestauraceObjednavkaPolozky> Polozka { get; set; } = [];
}

public class RestauraceObjednavkaHeader
{
    public required string RestauraceObjednavkaHeaderId { get; set; }

    // Foreign key | Restaurace_Akce_Stolu N:1 Header
    public required ICollection<RestauraceAkceStolu> RestauraceAkceStolu { get; set; } = [];

    // Navigation property | Restaurace_Objednavka_Header N:1 Stul
    public required int StulId { get; set; }
    public required Stul Stul { get; set; }

    // Table status
    public required Status StatusStolu { get; set; } = Status.Open;

    // Navigation property | Restaurace_Transakce_Id N:1 Header
    public required ICollection<RestauraceTransakce> Transakce { get; set; } = [];

    // Navigation property | Restaurace_Objednavka_Header 1:N Polozka
    public required ICollection<RestauraceObjednavkaPolozky> Polozka { get; set; } = [];
}

But when I use the CreateDto's I need to specify their Entity too (making sense that I would need it to specify) But that seems to me like Service rather than Mapping as a whole

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