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db connection meowdy meow

Amedeo
nek0 2 years ago
parent
commit
a707f23dc2
  1. 10
      Controllers/InventarController.cs
  2. 34
      Controllers/LendController.cs
  3. 11
      Models/ILendRepo.cs
  4. 13
      Models/IRepository.cs
  5. 9
      Models/Interfaces.cs
  6. 3
      Models/Item.cs
  7. 15
      Models/Lend.cs
  8. 31
      Models/LendModel.cs
  9. 2
      Startup.cs

10
Controllers/InventarController.cs

@ -27,16 +27,16 @@ namespace BuecherwurmAPI.Controllers
// POST Inventar
[HttpPost]
public ActionResult<IEnumerable<Item>> NewItem(Item item)
public ActionResult<IEnumerable<Item>> NewItem(int bookId)
{
var itemid = insertItemReturningId(bookId);
return Ok(new Item
{
Id = item.Id,
BookId = item.BookId,
Id = itemId,
BookId = bookId,
});
}
// GET Inventar/{id}
[HttpGet("{id}", Name = "GetItemByID")]
public ActionResult<IEnumerable<Item>> GetItemByID(int id)

34
Controllers/LendController.cs

@ -8,7 +8,7 @@ using BuecherwurmAPI.DTOs;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.JsonPatch;
using Microsoft.Extensions.Logging;
using Microsoft.Data.Sqlite;
namespace BuecherwurmAPI.Controllers
{
@ -16,12 +16,12 @@ namespace BuecherwurmAPI.Controllers
[ApiController]
public class LendController : ControllerBase
{
private readonly IRepository _repository;
private readonly LendModel _repository;
private readonly IMapper _mapper;
public LendController(IRepository repository, IMapper mapper)
public LendController(SqliteConnection connection, IMapper mapper)
{
_repository = repository;
_repository = new LendModel(connection);
_mapper = mapper;
}
@ -34,7 +34,7 @@ namespace BuecherwurmAPI.Controllers
//POST api/leihvorgang
[HttpPost]
public ActionResult<LendReadDTO> LendsPost(Lend lend)
public ActionResult<LendReadDTO> LendsPost(LendSeed lend)
{
/*
Internally a lend is stored with an id
@ -49,15 +49,23 @@ namespace BuecherwurmAPI.Controllers
DTO stands for Data Transfer Object
*/
var item = new Lend
var newId = _repository.insertLendReturningId(lend);
if (newId > 0)
{
var item = new Lend
{
Id = newId,
Customer = lend.Customer,
Returned = false,
ItemId = lend.ItemId,
ReturnDate = lend.ReturnDate
};
return Ok(item);
}
else
{
Id = 256,
Customer = lend.Customer,
Returned = lend.Returned,
ItemId = lend.ItemId,
ReturnDate = lend.ReturnDate
};
return Ok(item);
return BadRequest();
}
//return Ok(_mapper.Map<LendReadDTO>(item));
}

11
Models/ILendRepo.cs

@ -1,11 +0,0 @@
using System.Collections.Generic;
using BuecherwurmAPI.Models;
namespace BuecherwurmAPI.Models
{
public interface ILendRepo
{
IEnumerable<Lend> GetAllLends();
Lend GetLendById(int id);
}
}

13
Models/IRepository.cs

@ -1,13 +0,0 @@
using System.Collections.Generic;
using BuecherwurmAPI.Models;
using Microsoft.EntityFrameworkCore.Metadata.Conventions;
namespace BuecherwurmAPI.Models
{
public interface IRepository
{
IEnumerable<Lend> GetAllLends();
Lend GetLendById(long id);
bool IdExits(string table, long id);
}
}

9
Models/Interfaces.cs

@ -0,0 +1,9 @@
using Microsoft.Data.Sqlite;
namespace BuecherwurmAPI.Models
{
public interface IModel
{
}
}

3
Models/Item.cs

@ -4,8 +4,7 @@ namespace BuecherwurmAPI.Models
{
public class Item
{
[Key]
[Required]
[Key, Required]
public int Id { get; set; }
[Required]
public int BookId { get; set; }

15
Models/Lend.cs

@ -1,13 +1,28 @@
using System;
using System.ComponentModel.DataAnnotations;
namespace BuecherwurmAPI.Models
{
public class Lend
{
[Key, Required]
public long Id { get; set; }
[Required]
public long ItemId { get; set;}
[Required]
public DateTime ReturnDate { get; set; }
[Required]
public string Customer { get; set; }
[Required]
public bool Returned { get; set; }
}
public class LendSeed
{
public long ItemId {get; set;}
public DateTime ReturnDate {get; set;}
public string Customer {get; set;}
}
}

31
Models/LendModel.cs

@ -6,15 +6,13 @@ using Microsoft.VisualBasic.CompilerServices;
namespace BuecherwurmAPI.Models
{
internal class Repository : IRepository
internal class LendModel : IModel
{
private SqliteConnection _dbConnection;
public SqliteConnection _dbConnection;
public Repository()
public LendModel(SqliteConnection connection)
{
var connectionBuilder = new SqliteConnectionStringBuilder {DataSource = "LongWormMemory.db"};
_dbConnection = new SqliteConnection(connectionBuilder.ConnectionString);
_dbConnection.Open();
_dbConnection = connection;
}
public bool IdExits(string table, long id)
@ -94,5 +92,26 @@ namespace BuecherwurmAPI.Models
}
return null;
}
public long insertLendReturningId(LendSeed lend)
{
using (var command = _dbConnection.CreateCommand())
{
command.CommandText = "INSERT INTO Lends VALUES (NULL, @itemId, @returnDate, @customer, false)";
command.Parameters.Add(new SqliteParameter("@itemId", lend.ItemId));
command.Parameters.Add(new SqliteParameter("@returnDate", lend.ReturnDate));
command.Parameters.Add(new SqliteParameter("@customer", lend.Customer));
var success = command.ExecuteNonQuery();
if (success == 1)
{
command.CommandText = @"SELECT last_insert_rowid()";
return (long)command.ExecuteScalar();
}
return -1;
}
}
}
}

2
Startup.cs

@ -32,7 +32,7 @@ namespace BuecherwurmAPI
// Adds a service that is created once per connection.
// It takes an interface and a specific implementation.
// That allows to swap the implementation easily.
services.AddScoped<IRepository, Repository>();
services.AddScoped<IModel, LendModel>();
services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());
}

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