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Delete done
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8 files changed

+210
-179
lines changed

8 files changed

+210
-179
lines changed

‎ContosoUniversity/Features/Students/Create.cs

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using System;
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using System.ComponentModel.DataAnnotations;
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using AutoMapper;
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using ContosoUniversity.Data;
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using ContosoUniversity.Models;
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using FluentValidation;
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using MediatR;
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namespace ContosoUniversity.Features.Students
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{
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public class Create
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{
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public class Command : IRequest
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{
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public string LastName { get; set; }
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[Display(Name = "First Name")]
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public string FirstMidName { get; set; }
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public DateTime? EnrollmentDate { get; set; }
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}
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public class Validator : AbstractValidator<Command>
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{
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public Validator()
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{
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RuleFor(m => m.LastName).NotNull().Length(1, 50);
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RuleFor(m => m.FirstMidName).NotNull().Length(1, 50);
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RuleFor(m => m.EnrollmentDate).NotNull();
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}
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}
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public class Handler : IRequestHandler<Command>
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{
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private readonly SchoolContext _db;
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public Handler(SchoolContext db) => _db = db;
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public void Handle(Command message)
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=> _db.Students.Add(Mapper.Map<Command, Student>(message));
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}
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}
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}

‎ContosoUniversity/Features/Students/Create.cshtml

Lines changed: 5 additions & 17 deletions
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@model ContosoUniversity.Models.Student
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@model ContosoUniversity.Features.Students.Create.Command
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@{
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ViewData["Title"] = "Create";
@@ -11,22 +11,10 @@
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<div class="row">
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<div class="col-md-4">
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<form asp-action="Create">
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<div asp-validation-summary="ModelOnly" class="text-danger"></div>
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<div class="form-group">
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<label asp-for="LastName" class="control-label"></label>
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<input asp-for="LastName" class="form-control" />
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<span asp-validation-for="LastName" class="text-danger"></span>
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</div>
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<div class="form-group">
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<label asp-for="FirstMidName" class="control-label"></label>
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<input asp-for="FirstMidName" class="form-control" />
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<span asp-validation-for="FirstMidName" class="text-danger"></span>
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</div>
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<div class="form-group">
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<label asp-for="EnrollmentDate" class="control-label"></label>
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<input asp-for="EnrollmentDate" class="form-control" />
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<span asp-validation-for="EnrollmentDate" class="text-danger"></span>
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</div>
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@Html.ValidationDiv()
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@Html.FormBlock(m => m.LastName)
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@Html.FormBlock(m => m.FirstMidName)
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@Html.FormBlock(m => m.EnrollmentDate)
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<div class="form-group">
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<input type="submit" value="Create" class="btn btn-default" />
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</div>

‎ContosoUniversity/Features/Students/Delete.cs

Lines changed: 52 additions & 0 deletions
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using System;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Threading.Tasks;
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using AutoMapper.QueryableExtensions;
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using ContosoUniversity.Data;
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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namespace ContosoUniversity.Features.Students
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{
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public class Delete
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{
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public class Query : IRequest<Command>
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{
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public int Id { get; set; }
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}
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public class Command : IRequest
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{
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public int ID { get; set; }
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[Display(Name = "First Name")]
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public string FirstMidName { get; set; }
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public string LastName { get; set; }
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public DateTime EnrollmentDate { get; set; }
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}
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public class QueryHandler : IAsyncRequestHandler<Query, Command>
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{
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private readonly SchoolContext _db;
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public QueryHandler(SchoolContext db) => _db = db;
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public async Task<Command> Handle(Query message) => await _db
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.Students
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.Where(s => s.Id == message.Id)
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.ProjectTo<Command>()
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.SingleOrDefaultAsync();
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}
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public class CommandHandler : IAsyncRequestHandler<Command>
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{
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private readonly SchoolContext _db;
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public CommandHandler(SchoolContext db) => _db = db;
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public async Task Handle(Command message)
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=> _db.Students.Remove(await _db.Students.FindAsync(message.ID));
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}
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}
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}

‎ContosoUniversity/Features/Students/Delete.cshtml

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@@ -1,4 +1,4 @@
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@model ContosoUniversity.Models.Student
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@model ContosoUniversity.Features.Students.Delete.Command
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@{
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ViewData["Title"] = "Delete";
@@ -13,27 +13,27 @@
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<hr />
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<dl class="dl-horizontal">
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<dt>
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@Html.DisplayNameFor(model => model.LastName)
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<display-label-tag for="LastName"/>
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</dt>
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<dd>
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@Html.DisplayFor(model => model.LastName)
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<display-tag for="LastName"/>
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</dd>
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<dt>
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@Html.DisplayNameFor(model => model.FirstMidName)
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<display-label-tag for="FirstMidName" />
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</dt>
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<dd>
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@Html.DisplayFor(model => model.FirstMidName)
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<display-tag for="FirstMidName" />
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</dd>
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<dt>
28-
@Html.DisplayNameFor(model => model.EnrollmentDate)
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<display-label-tag for="EnrollmentDate" />
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</dt>
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<dd>
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@Html.DisplayFor(model => model.EnrollmentDate)
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<display-tag for="EnrollmentDate" />
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</dd>
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</dl>
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<form asp-action="Delete">
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<input type="hidden" asp-for="ID" />
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<input-tag for="ID" />
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<input type="submit" value="Delete" class="btn btn-default" /> |
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<a asp-action="Index">Back to List</a>
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</form>

‎ContosoUniversity/Features/Students/Edit.cs

Lines changed: 72 additions & 0 deletions
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using System;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Threading.Tasks;
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using AutoMapper;
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using AutoMapper.QueryableExtensions;
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using ContosoUniversity.Data;
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using FluentValidation;
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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12+
namespace ContosoUniversity.Features.Students
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{
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public class Edit
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{
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public class Query : IRequest<Command>
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{
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public int? Id { get; set; }
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}
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public class QueryValidator : AbstractValidator<Query>
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{
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public QueryValidator()
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{
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RuleFor(m => m.Id).NotNull();
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}
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}
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29+
public class Command : IRequest
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{
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public int ID { get; set; }
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public string LastName { get; set; }
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34+
[Display(Name = "First Name")]
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public string FirstMidName { get; set; }
36+
37+
public DateTime? EnrollmentDate { get; set; }
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}
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40+
public class Validator : AbstractValidator<Command>
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{
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public Validator()
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{
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RuleFor(m => m.LastName).NotNull().Length(1, 50);
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RuleFor(m => m.FirstMidName).NotNull().Length(1, 50);
46+
RuleFor(m => m.EnrollmentDate).NotNull();
47+
}
48+
}
49+
50+
public class QueryHandler : IAsyncRequestHandler<Query, Command>
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{
52+
private readonly SchoolContext _db;
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public QueryHandler(SchoolContext db) => _db = db;
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56+
public async Task<Command> Handle(Query message) => await _db.Students
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.Where(s => s.Id == message.Id)
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.ProjectTo<Command>()
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.SingleOrDefaultAsync();
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}
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public class CommandHandler : IAsyncRequestHandler<Command>
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{
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private readonly SchoolContext _db;
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66+
public CommandHandler(SchoolContext db) => _db = db;
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68+
public async Task Handle(Command message)
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=> Mapper.Map(message, await _db.Students.FindAsync(message.ID));
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}
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}
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}

‎ContosoUniversity/Features/Students/Edit.cshtml

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@model ContosoUniversity.Models.Student
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@model ContosoUniversity.Features.Students.Edit.Command
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@{
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ViewData["Title"] = "Edit";
@@ -11,23 +11,11 @@
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<div class="row">
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<div class="col-md-4">
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<form asp-action="Edit">
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<div asp-validation-summary="ModelOnly" class="text-danger"></div>
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<input type="hidden" asp-for="ID" />
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<div class="form-group">
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<label asp-for="LastName" class="control-label"></label>
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<input asp-for="LastName" class="form-control" />
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<span asp-validation-for="LastName" class="text-danger"></span>
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</div>
21-
<div class="form-group">
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<label asp-for="FirstMidName" class="control-label"></label>
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<input asp-for="FirstMidName" class="form-control" />
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<span asp-validation-for="FirstMidName" class="text-danger"></span>
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</div>
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<div class="form-group">
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<label asp-for="EnrollmentDate" class="control-label"></label>
28-
<input asp-for="EnrollmentDate" class="form-control" />
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<span asp-validation-for="EnrollmentDate" class="text-danger"></span>
30-
</div>
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@Html.ValidationDiv()
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@Html.Input(m => m.ID)
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@Html.FormBlock(m => m.LastName)
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@Html.FormBlock(m => m.FirstMidName)
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@Html.FormBlock(m => m.EnrollmentDate)
3119
<div class="form-group">
3220
<input type="submit" value="Save" class="btn btn-default" />
3321
</div>

‎ContosoUniversity/Features/Students/MappingProfile.cs

Lines changed: 3 additions & 3 deletions
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@@ -10,9 +10,9 @@ public MappingProfile()
1010
CreateMap<Student, Index.Model>();
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CreateMap<Student, Details.Model>();
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CreateMap<Enrollment, Details.Model.Enrollment>();
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//CreateMap<Create.Command, Student>(MemberList.Source);
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//CreateMap<Student, Edit.Command>().ReverseMap();
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//CreateMap<Student, Delete.Command>().ReverseMap();
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CreateMap<Create.Command, Student>(MemberList.Source);
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CreateMap<Student, Edit.Command>().ReverseMap();
15+
CreateMap<Student, Delete.Command>().ReverseMap();
1616
}
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}
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}

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