128 lines
3.3 KiB
C#
128 lines
3.3 KiB
C#
using ComputerShopContracts.BindingModels;
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using ComputerShopContracts.ViewModels;
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using ComputerShopDataModels.Models;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace ComputerShopDatabaseImplement.Models
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{
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public class Assembly : IAssemblyModel
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{
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public int Id { get; private set; }
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[Required]
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public int UserId { get; private set; }
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[Required]
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public string AssemblyName { get; private set; } = string.Empty;
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[Required]
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public double Cost { get; private set; }
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[Required]
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public string Category { get; private set; } = string.Empty;
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[ForeignKey("AssemblyId")]
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public virtual List<Request> Requests { get; set; } = new();
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[ForeignKey("AssemblyId")]
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public virtual List<AssemblyComponent> Components { get; set; } = new();
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private Dictionary<int, (IComponentModel, int)>? _assemblyComponents;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> AssemblyComponents
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{
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get
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{
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if (_assemblyComponents == null)
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{
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_assemblyComponents = Components.ToDictionary(
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AsmComp => AsmComp.ComponentId,
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AsmComp => (AsmComp.Component as IComponentModel, AsmComp.Count)
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);
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}
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return _assemblyComponents;
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}
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}
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public static Assembly Create(ComputerShopDatabase Context, AssemblyBindingModel Model)
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{
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return new()
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{
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Id = Model.Id,
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UserId = Model.UserId,
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AssemblyName = Model.AssemblyName,
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Cost = Model.Cost,
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Category = Model.Category,
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Components = Model.AssemblyComponents.Select(x => new AssemblyComponent
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{
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Component = Context.Components.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList(),
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};
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}
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public void Update(AssemblyBindingModel Model)
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{
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if (!string.IsNullOrEmpty(Model.AssemblyName))
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{
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AssemblyName = Model.AssemblyName;
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}
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if (!string.IsNullOrEmpty(Model.Category))
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{
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Category = Model.Category;
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}
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Cost = Model.Cost;
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}
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public AssemblyViewModel GetViewModel => new()
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{
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Id = Id,
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UserId = UserId,
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AssemblyName = AssemblyName,
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Cost = Cost,
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Category = Category,
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AssemblyComponents = AssemblyComponents,
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};
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public void UpdateComponents(ComputerShopDatabase Context, AssemblyBindingModel Model)
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{
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var AssemblyComponents = Context.AssemblyComponents.Where(x => x.AssemblyId == Model.Id).ToList();
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if (AssemblyComponents != null && AssemblyComponents.Count > 0)
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{
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Context.AssemblyComponents
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.RemoveRange(AssemblyComponents
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.Where(x => !Model.AssemblyComponents.ContainsKey(x.ComponentId)));
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Context.SaveChanges();
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foreach (var ComponentToUpdate in AssemblyComponents)
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{
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ComponentToUpdate.Count = Model.AssemblyComponents[ComponentToUpdate.ComponentId].Item2;
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Model.AssemblyComponents.Remove(ComponentToUpdate.ComponentId);
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}
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Context.SaveChanges();
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}
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var CurrentAssembly = Context.Assemblies.First(x => x.Id == Id);
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foreach (var AssemblyComponent in Model.AssemblyComponents)
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{
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Context.AssemblyComponents.Add(new AssemblyComponent
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{
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Assembly = CurrentAssembly,
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Component = Context.Components.First(x => x.Id == AssemblyComponent.Key),
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Count = AssemblyComponent.Value.Item2
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});
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Context.SaveChanges();
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}
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_assemblyComponents = null;
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}
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}
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}
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