A couple of new logics have been implemented. Need to create views for complicated queries. :|
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RentalBusiness/AuxilaryElements/BusinessLogic/BrandLogic.cs
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88
RentalBusiness/AuxilaryElements/BusinessLogic/BrandLogic.cs
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using Npgsql;
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using RentalBusiness.Models.ViewModels;
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namespace RentalBusiness.AuxilaryElements.BusinessLogic
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{
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public class BrandLogic
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{
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public List<BrandViewModel> _brand;
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public BrandLogic()
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{
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_brand = new();
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_brand = ReadBrands().Result;
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}
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public async Task<List<BrandViewModel>> ReadBrands()
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{
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NpgsqlConnection connection = new NpgsqlConnection("Host=localhost;Database=local;Username=postgres;Password=postgres");
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List<BrandViewModel> brands = new List<BrandViewModel>();
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connection.Open();
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await using (NpgsqlCommand getRecordStorage = new NpgsqlCommand("SELECT brand_id, brand_name, brand_ratio FROM brand", connection))
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{
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await using (NpgsqlDataReader reader = await getRecordStorage.ExecuteReaderAsync())
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{
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while (await reader.ReadAsync())
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{
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BrandViewModel viewModel = ReadModelView(reader);
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brands.Add(viewModel);
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}
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}
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}
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connection.Close();
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return brands;
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}
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public BrandViewModel ReadModelView(NpgsqlDataReader reader)
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{
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int? id = reader["brand_id"] as int?;
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string brandName = reader["brand_name"] as string;
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int? ratio = reader["brand_ratio"] as int?;
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BrandViewModel view = new BrandViewModel
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{
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ID = id.Value,
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BrandName = new string(brandName)
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};
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return view;
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}
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public void PostBrand(BrandViewModel view)
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{
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NpgsqlConnection connection = new NpgsqlConnection("Host=localhost;Database=local;Username=postgres;Password=postgres");
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connection.Open();
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using var checkDuplicate = new NpgsqlCommand("SELECT brand_id FROM brand WHERE brand_name LIKE @bn")
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{
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Parameters =
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{
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new("bn", view.BrandName)
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}
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};
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int? buff = Convert.ToInt32(checkDuplicate.ExecuteScalar());
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if(buff == null)
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{
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return;
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}
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using var postBrand = new NpgsqlCommand("INSERT INTO brand (brand_name,brand_ratio) VALUES(@bs,@br)",connection)
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{
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Parameters =
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{
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new("bs",view.BrandName),
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new("br",view.BrandRatio)
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}
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};
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postBrand.ExecuteNonQueryAsync();
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connection.Close();
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}
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}
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}
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74
RentalBusiness/AuxilaryElements/BusinessLogic/ModelLogic.cs
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74
RentalBusiness/AuxilaryElements/BusinessLogic/ModelLogic.cs
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using Npgsql;
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using RentalBusiness.Enums;
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using RentalBusiness.Models.ViewModels;
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using static Microsoft.EntityFrameworkCore.DbLoggerCategory.Database;
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namespace RentalBusiness.AuxilaryElements.BusinessLogic
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{
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public class ModelLogic
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{
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public List<ModelViewModel> _model;
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public ModelLogic()
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{
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_model = new();
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_model = ReadModels().Result;
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}
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public async Task<List<ModelViewModel>> ReadModels()
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{
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NpgsqlConnection connection = new NpgsqlConnection("Host=localhost;Database=local;Username=postgres;Password=postgres");
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List<ModelViewModel> models = new List<ModelViewModel>();
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connection.Open();
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await using (NpgsqlCommand getRecordStorage = new NpgsqlCommand("SELECT model_id, model_spec, model_ratio FROM model", connection))
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{
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await using (NpgsqlDataReader reader = await getRecordStorage.ExecuteReaderAsync())
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{
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while (await reader.ReadAsync())
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{
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ModelViewModel viewModel = ReadModelView(reader);
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models.Add(viewModel);
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}
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}
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}
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connection.Close();
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return models;
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}
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public ModelViewModel ReadModelView(NpgsqlDataReader reader)
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{
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int? id = reader["model_id"] as int?;
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string modelSpec = reader["model_spec"] as string;
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int? ratio = reader["model_ratio"] as int?;
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ModelViewModel view = new ModelViewModel
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{
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ID = id.Value,
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ModelSpec = new string(modelSpec),
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ModelRatio = ratio.Value,
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};
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return view;
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}
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public void PostModel(ModelViewModel view)
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{
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NpgsqlConnection connection = new NpgsqlConnection("Host=localhost;Database=local;Username=postgres;Password=postgres");
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connection.Open();
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using var postModel = new NpgsqlCommand("INSERT INTO model (model_spec,model_ratio) VALUES(@ms,@mr)")
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{
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Parameters =
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{
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new("ms",view.ModelSpec),
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new("mr",view.ModelRatio)
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}
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};
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postModel.ExecuteNonQueryAsync();
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connection.Close();
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}
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}
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}
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@ -1,4 +1,5 @@
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using Npgsql;
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using Microsoft.EntityFrameworkCore.Metadata.Internal;
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using Npgsql;
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using RentalBusiness.Enums;
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using RentalBusiness.Models.ViewModels;
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@ -8,7 +9,6 @@ namespace RentalBusiness.AuxilaryElements.BusinessLogic
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{
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public List<StorageViewModel> _storageFull;
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public List<StorageViewModel> _storageFree;
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public StorageLogic()
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{
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_storageFree = new List<StorageViewModel>();
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@ -77,5 +77,26 @@ namespace RentalBusiness.AuxilaryElements.BusinessLogic
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};
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return view;
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}
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public void PostCar(StorageViewModel model)
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{
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NpgsqlConnection connection = new NpgsqlConnection("Host=localhost;Database=local;Username=postgres;Password=postgres");
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connection.Open();
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using var postCar = new NpgsqlCommand("INSERT INTO storage(brand_id,model_id,car_ratio_per_hour,car_status) VALUES(@bid,@mid,@ratio,@cs)", connection)
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{
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Parameters =
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{
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new("bid",model.Brand_ID),
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new("mid",model.Model_ID),
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new("ratio",model.CarRatio),
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new("cs",model.CarStatus),
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}
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};
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postCar.ExecuteNonQueryAsync();
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connection.Close();
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}
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}
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}
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@ -12,12 +12,16 @@ namespace RentalBusiness.Controllers
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private readonly StorageLogic _storageLogic;
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private readonly ClientLogic _clientLogic;
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private readonly ContractLogic _contractLogic;
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private readonly ModelLogic _modelLogic;
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private readonly BrandLogic _brandLogic;
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public HomeController(ILogger<HomeController> logger)
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{
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_logger = logger;
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_storageLogic = new StorageLogic();
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_clientLogic = new ClientLogic();
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_contractLogic = new ContractLogic();
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_modelLogic = new ModelLogic();
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_brandLogic = new BrandLogic();
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}
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[HttpGet]
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@ -77,10 +81,51 @@ namespace RentalBusiness.Controllers
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[HttpGet]
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public IActionResult Car()
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{
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ViewBag.Cars = _storageLogic._storageFull;
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ViewBag.Models = _modelLogic._model;
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ViewBag.Brands = _brandLogic._brand;
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return View();
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}
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[HttpPost]
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public void Car(string? brandname, int? brandratio, string? modelname, int? modelratio, int? brand, int? model )
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{
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if(!string.IsNullOrEmpty(brandname) && !string.IsNullOrEmpty(brandratio.ToString()))
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{
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BrandViewModel brandModel = new()
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{
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BrandName = brandname,
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BrandRatio = brandratio
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};
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_brandLogic.PostBrand(brandModel);
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}
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if (!string.IsNullOrEmpty(modelname) && !string.IsNullOrEmpty(modelratio.ToString()))
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{
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ModelViewModel modelModel = new()
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{
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ModelSpec = modelname,
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ModelRatio = brandratio
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};
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_modelLogic.PostModel(modelModel);
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return;
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}
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if(brand != null && model != null)
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{
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StorageViewModel storageModel = new()
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{
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Brand_ID = brand,
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Model_ID = model,
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CarRatio = _modelLogic._model.First(x => x.ID == model).ModelRatio + _brandLogic._brand.First(x => x.ID == brand).BrandRatio
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};
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_storageLogic.PostCar(storageModel);
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}
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}
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[HttpGet]
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public IActionResult Storage()
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{
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9
RentalBusiness/Models/ViewModels/BrandViewModel.cs
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9
RentalBusiness/Models/ViewModels/BrandViewModel.cs
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namespace RentalBusiness.Models.ViewModels
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{
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public class BrandViewModel
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{
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public int? ID { get; set; }
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public string BrandName { get; set; } = string.Empty;
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public int? BrandRatio { get; set; }
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}
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}
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10
RentalBusiness/Models/ViewModels/ModelViewModel.cs
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10
RentalBusiness/Models/ViewModels/ModelViewModel.cs
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namespace RentalBusiness.Models.ViewModels
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{
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public class ModelViewModel
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{
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public int? ID { get; set; }
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public string ModelSpec { get; set; } = string.Empty;
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public int? ModelRatio { get; set; }
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}
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}
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@ -7,8 +7,11 @@ namespace RentalBusiness.Models.ViewModels
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public int ID { get; set; }
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public string CarInfo { get; set; } = string.Empty;
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public int CarRatio { get; set; }
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public int? CarRatio { get; set; }
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public CarStatus CarStatus { get; set; } = CarStatus.available;
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public int? Brand_ID { get; set; }
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public int? Model_ID { get; set; }
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}
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}
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@ -20,15 +20,15 @@
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<div class="modeltitle" style="text-align: center; font-size: 25px;">ADD A MODEL</div>
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<div class="modelname" style="text-align: left; font-size: 15px;">Model name:</div>
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<input type="text" id="modelname" name="modelname" />
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<div class="modeltratio" style="text-align: left; font-size: 15px;">Model ratio:</div>
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<input type="text" id="modeltratio" name="modeltratio" />
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<div class="modelratio" style="text-align: left; font-size: 15px;">Model ratio:</div>
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<input type="text" id="modelratio" name="modelratio" />
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<input type="submit" id="modelbtn" value="Model" class="btn btn-primary" />
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</div>
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<aside style="flex: 1"></aside>
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<div class="flex-containerB3" style="flex-direction: column; background-color:yellow;flex: 4; gap: 20px;display: flex; align-items: center; justify-content: center;">
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<div class="brandtitle" style="text-align: center; font-size: 25px;">ADD A CAR</div>
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<select></select>
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<select></select>
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<select id="brand" name="brand" class="form-control" asp-items="@(new SelectList(@ViewBag.Brands,"ID","BrandName"))"></select>
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<select id="model" name="model" class="form-control" asp-items="@(new SelectList(@ViewBag.Models,"ID","ModelSpec"))"></select>
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<input type="submit" id="carbtn" value="Car" class="btn btn-primary" />
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</div>
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<aside style="flex: 1"></aside>
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@ -29,7 +29,7 @@
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<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Index">ADD CONTRACT</a>
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</li>
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<li class="nav-item">
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<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Car">ADD CAR</a>
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<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Car">ADD BRAND/MODEL/CAR</a>
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</li>
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<li class="nav-item">
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<a class="nav-link text-dark" asparea="" asp-controller="Home" asp-action="Customer">ADD CUSTOMER</a>
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