course

VizhTalk.Grpc.CDN/Commands.proto

@@ -10,7 +10,6 @@ message UploadFileCommand{
 	UploadFile file = 1;
 	Id mediaGroupId = 2;
 	string clientId = 3;
-	string fileName = 4;
 }
 message CreateMediaGroupCommand{
 	string key = 1;

VizhTalk.Learning.Application/CommandHandlers/CourseCommandHandler.cs

@@ -0,0 +1,61 @@
+using Mapster;
+using System.Net.Http.Headers;
+using System.Net.Sockets;
+using VizhTalk.BuildingBlocks.Application.Configuration.Commnad;
+using VizhTalk.Grpc.CDN;
+using VizhTalk.Grpc.Learning.Course;
+using VizhTalk.Learning.Application.Exceptions;
+using VizhTalk.Learning.Domain.Entities;
+using VizhTalk.Learning.Domain.TypeIds;
+using VizhTalk.Learning.Domain.ValueObjects;
+
+namespace VizhTalk.Learning.Application.CommandHandlers;
+
+
+public class CreateCourseCommandHandler(IUnitOfWork unitOfWork, CDNGrpc.CDNGrpcClient cdnClient) : ICommandHandler<CreateCourseCommand, CourseDTO>
+{
+    public async Task<CourseDTO> Handle(CreateCourseCommand request, CancellationToken cancellationToken)
+    {
+        var language = await unitOfWork.Language.GetLanguageWithCoursesById(new LanguageId(request.Languageid), cancellationToken);
+        if(language == null)
+            throw new LanguageNotFoundException();
+
+        var fileGroup = await unitOfWork.FileGroup.GetByFileGroupKey(FileGroupKey.ImageCourse);
+        if(fileGroup == null)
+        {
+            var group = await cdnClient.CreateMediaGroupAsync(new CreateMediaGroupCommand()
+            {
+                IsSecure = false,
+                Key = FileGroupKey.ImageCourse.Value,
+                Title = nameof(FileGroupKey.ImageCourse)
+            });
+
+            fileGroup = FileGroup.CreateNew(FileGroupKey.IconLanguage, new FileGroupTitle(nameof(FileGroupKey.IconLanguage)), false, group.Id);
+            await unitOfWork.FileGroup.AddAsync(fileGroup, cancellationToken);
+        }
+        var upload = await cdnClient.UploadFileAsync(new UploadFileCommand()
+        {
+            File = new UploadFile()
+            {
+                ContentType = request.Image.ContentType,
+                File = request.Image.File,
+                Name = request.Image.Name,
+            },
+            MediaGroupId = fileGroup.MediaGroupId,
+        }, cancellationToken: cancellationToken);
+
+        var media = Media.CreateNew(request.Image.Name,upload.ContentType, upload.Size, upload.MediaGroupMediaId, new EntityType(EntityTypeEnum.Course));
+        var course =  language.AddCourse(request.Title, media, request.Description);
+        await unitOfWork.Language.UpdateAsync(language,cancellationToken);
+        await unitOfWork.SaveChangeAsync(cancellationToken);
+        return course.Adapt<CourseDTO>();
+    }
+}
+
+public class UpdateCourseCommandHandler(IUnitOfWork unitOfWork) : ICommandHandler<UpdateCourseCommand, CourseDTO>
+{
+    public Task<CourseDTO> Handle(UpdateCourseCommand request, CancellationToken cancellationToken)
+    {
+        
+    }
+}

VizhTalk.Learning.Application/CommandHandlers/LanguageCommandHandler.cs

@@ -47,7 +47,6 @@ public class CreateLanguageCommandHandler(IUnitOfWork unitOfWork,
                     File = request.Icon.File,
                     Name = request.Icon.Name,
                 },
-                FileName = title,
                 MediaGroupId = fileGroup.MediaGroupId
             }, cancellationToken: cancellationToken);
 
@@ -86,7 +85,6 @@ public class UpdateLanguageCommandHandler(IUnitOfWork unitOfWork, CDNGrpc.CDNGrp
                     File = request.Icon.File,
                     Name = request.Icon.Name,
                 },
-                FileName = request.Title,
                 MediaGroupId = fileGroup.MediaGroupId
             }, cancellationToken: cancellationToken);
 

VizhTalk.Learning.Application/Mappers/MapperConfig.cs

@@ -1,5 +1,6 @@
 using Mapster;
 using VizhTalk.Grpc.Learning;
+using VizhTalk.Grpc.Learning.Course;
 using VizhTalk.Grpc.Learning.Language;
 using VizhTalk.Learning.Domain.Entities;
 
@@ -9,16 +10,20 @@ namespace VizhTalk.Learning.Application.Mappers
     {
         public static void Process()
         {
+            TypeAdapterConfig<Language, LanguageDTO>.NewConfig()
+                 .MapWith(lan => new LanguageDTO()
+                 {
+                     Id = lan.Id.Value,
+                     Title = lan.Title.Value,
+                 }).Compile();
 
-            var config = TypeAdapterConfig<Language, LanguageDTO>.NewConfig()
-                .MapWith(lan => new LanguageDTO()
-                {
-                    Id = lan.Id.Value,
-                    Title = lan.Title.Value,
-                });
+            TypeAdapterConfig<Course, CourseDTO>.NewConfig()
+                 .MapWith(lan => new CourseDTO()
+                 {
+                     Id = lan.Id.Value,
+                     Title = lan.Title.Value,
+                 }).Compile();
 
-
-            config.Compile();
         }
     }
 }

VizhTalk.Learning.Domain/Entities/Course.cs

@@ -10,21 +10,26 @@ public class Course : Entity<CourseId>
     {
 
     }
-    private Course(CourseTitle title, int order)
+    private Course(CourseTitle title, int order, Media image, CourseDescription? description)
     {
         Title = title;
         Order = order;
+        Image = image;
+        Description = description;
     }
     public CourseTitle Title { get; private set; }
     public Media Image { get; private set; }
+    public CourseDescription? Description { get; set; }
     public int Order { get; private set; }
 
-    internal static Course CreateNew(CourseTitle title, int order)
-        => new(title, order);
+    internal static Course CreateNew(CourseTitle title, int order, Media image, CourseDescription? description)
+        => new(title, order, image, description);
     public void SetTitle(CourseTitle title)
         => Title = title;
     public void SetOrder(int order)
         => Order = order;
     public void SetImage(Media media)
         => Image = media;
+    public void SetDescription(CourseDescription? description)
+        => Description = description;
 }

VizhTalk.Learning.Domain/Entities/Language.cs

@@ -20,7 +20,7 @@ public class Language : Entity<LanguageId>, IAggregateRoot
     public LanguageTitle Title { get; private set; }
     public Media Icon { get; private set; }
     public IReadOnlyList<Course> Courses => _courses;
-    public static Language CreateNew(LanguageTitle title,Media icon)
+    public static Language CreateNew(LanguageTitle title, Media icon)
         => new(title, icon);
 
     public void SetTitle(LanguageTitle title)
@@ -32,21 +32,22 @@ public class Language : Entity<LanguageId>, IAggregateRoot
 
         Icon = icon;
     }
-    public Course AddCourse(CourseTitle courseTitle)
+    public Course AddCourse(CourseTitle courseTitle, Media image, CourseDescription? courseDescription)
     {
         var order = Courses.Count;
-        var course = Course.CreateNew(courseTitle, order);
+        var course = Course.CreateNew(courseTitle, order, image, courseDescription);
         _courses.Add(course);
         return course;
     }
     public Course UpdateCourse(Course course)
     {
         var _course = _courses.FirstOrDefault(x => x.Id == course.Id) ?? throw new CourseNotFoundException(Title);
-        if(course.Image != null)
+        if (course.Image != null)
             _course.SetImage(course.Image);
         _course.SetTitle(course.Title);
+        _course.SetDescription(course.Description);
 
-        if(_course.Order != course.Order)
+        if (_course.Order != course.Order)
         {
             var orderCourses = _courses.Where(x => x.Id != course.Id)
             .OrderBy(x => x.Order)

VizhTalk.Learning.Domain/Repositories/ILanguageRepository.cs

@@ -6,5 +6,5 @@ namespace VizhTalk.Learning.Domain.Repositories;
 
 public interface ILanguageRepository : IRepositoryBase<Language,LanguageId>
 {
-
+    Task<Language?> GetLanguageWithCoursesById(LanguageId languageId ,CancellationToken cancellationToken = default);
 }

VizhTalk.Learning.Domain/ValueObjects/CourseDescription.cs

@@ -0,0 +1,19 @@
+using VizhTalk.BuildingBlocks.Domain;
+using VizhTalk.BuildingBlocks.Domain.Guards;
+
+namespace VizhTalk.Learning.Domain.ValueObjects;
+
+public  class CourseDescription : ValueObject
+{
+    public const short MaxLength = 800;
+    public CourseDescription(string description)
+    {
+        Guard.NullOrEmpty(description,nameof(CourseDescription));
+        Guard.MaxLength(description, nameof(CourseDescription), MaxLength);
+        Value = description;
+    }
+    public string Value { get; set; }
+
+    public static implicit operator string(CourseDescription title) => title.Value;
+    public static implicit operator CourseDescription(string title) => new(title);
+}

VizhTalk.Learning.Domain/ValueObjects/CourseTitle.cs

@@ -14,5 +14,6 @@ public  class CourseTitle
     public string Value { get; private set; }
 
     public static implicit operator string(CourseTitle title) => title.Value;
+    public static implicit operator CourseTitle(string title) => new(title);
 
 }

VizhTalk.Learning.Domain/ValueObjects/EntityType.cs

@@ -12,5 +12,6 @@ public class EntityType : ValueObject
 }
 public enum EntityTypeEnum
 {
-    Language = 0
+    Language = 0,
+    Course = 1
 }

VizhTalk.Learning.Domain/ValueObjects/FileGroupKey.cs

@@ -11,6 +11,7 @@ namespace VizhTalk.Learning.Domain.ValueObjects
     public class FileGroupKey : ValueObject
     {
         public static FileGroupKey IconLanguage = new("IconLanguage");
+        public static FileGroupKey ImageCourse = new("ImageCourse");
         public FileGroupKey(string entityName, string? entityId = null)
         {
             Guard.NullOrEmpty(entityName, entityName);

VizhTalk.Learning.Infrastructure/EF/Configurations/CourseConfiguration.cs

@@ -1,11 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using VizhTalk.Learning.Domain.Entities;
+using VizhTalk.Learning.Domain.ValueObjects;
 
 namespace VizhTalk.Learning.Infrastructure.EF.Configurations
 {
@@ -23,6 +19,12 @@ namespace VizhTalk.Learning.Infrastructure.EF.Configurations
             builder.Property(x => x.Title)
                 .HasConversion(x => x.Value, x => new(x));
 
+            builder.Property(x => x.Description)
+                .HasMaxLength(CourseDescription.MaxLength)
+                .HasConversion(x => x.Value, x => new(x));
+
+            builder.Navigation(x => x.Image)
+                .AutoInclude();
         }
     }
 }

VizhTalk.Learning.Infrastructure/EF/Configurations/LanguageConfiguration.cs

@@ -24,6 +24,9 @@ namespace VizhTalk.Learning.Infrastructure.EF.Configurations
             builder.Property(x => x.Title)
                 .HasConversion(x => x.Value, x => new LanguageTitle(x))
                 .HasMaxLength(60);
+
+            builder.Navigation(x => x.Icon)
+                .AutoInclude();
         }
     }
 }

VizhTalk.Learning.Infrastructure/EF/LearningDbContext.cs

@@ -2,6 +2,7 @@
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using VizhTalk.BuildingBlocks.Domain;
 using VizhTalk.BuildingBlocks.Infrastructure.EF.Helpers;
+using VizhTalk.Learning.Domain.Entities;
 using VizhTalk.Learning.Infrastructure.Configuration;
 
 namespace VizhTalk.Learning.Infrastructure.EF;
@@ -22,5 +23,6 @@ public class LearningDbContext : DbContext
         modelBuilder.FindEntities(Assemblies.Domain)
             .ApplyConfigurationsFromAssembly(Assemblies.Infrastructure, x => x.FullName.Contains("EF.Configurations"))
             .PluralizeEntities();
+
     }
 }

VizhTalk.Learning.Infrastructure/Repositories/LanguageRepository.cs

@@ -1,4 +1,5 @@
-using VizhTalk.BuildingBlocks.Infrastructure;
+using Microsoft.EntityFrameworkCore;
+using VizhTalk.BuildingBlocks.Infrastructure;
 using VizhTalk.Learning.Domain.Entities;
 using VizhTalk.Learning.Domain.Repositories;
 using VizhTalk.Learning.Domain.TypeIds;
@@ -8,8 +9,18 @@ namespace VizhTalk.Learning.Infrastructure.Repositories
 {
     internal class LanguageRepository : RepositoryBase<Language, LanguageId>, ILanguageRepository
     {
+        private readonly LearningDbContext dbContext;
+
         public LanguageRepository(LearningDbContext dbContext) : base(dbContext)
         {
+            this.dbContext = dbContext;
+        }
+
+        public async Task<Language?> GetLanguageWithCoursesById(LanguageId languageId, CancellationToken cancellationToken = default)
+        {
+            return await dbContext.Set<Language>()
+                .Include(x => x.Courses)
+                .FirstOrDefaultAsync(x => x.Id == languageId, cancellationToken);
         }
     }
 }

VizhTalk.Services.Grpc.Learning/Commands/CourseCommands.cs

@@ -0,0 +1,6 @@
+using VizhTalk.BuildingBlocks.Domain.Contract;
+
+namespace VizhTalk.Grpc.Learning.Course;
+
+public sealed partial class CreateCourseCommand: ICommand<CourseDTO>;
+public sealed partial class UpdateCourseCommand : ICommand<CourseDTO>;

VizhTalk.Services.Grpc.Learning/Commands/LanguageCommands.cs

@@ -1,5 +1,4 @@
 using VizhTalk.BuildingBlocks.Domain.Contract;
-using VizhTalk.Grpc.Learning.Language;
 
 namespace VizhTalk.Grpc.Learning.Language;
 

VizhTalk.Services.Grpc.Learning/Proto/Courses/Commands.proto

@@ -8,11 +8,15 @@ import "Proto/Shared.proto";
 
 message CreateCourseCommand{
       string title = 1;
-      bytes icon = 2;
+      string description = 2;
+      UploadFile image = 3;
+      Id languageid = 4;
 }
 
 message UpdateCourseCommand{
 	  Id Id = 1;
       string title = 2;
-      optional bytes icon = 3;
+      string description = 3;
+      optional UploadFile image = 4;
+      Id languageid = 5;
 }

Vizhtalk.CDN.Presentation/Controllers/FileController.cs

@@ -1,20 +1,30 @@
 using Microsoft.AspNetCore.Mvc;
+using Vizhtalk.CDN.Presentation.Application;
 using Vizhtalk.CDN.Presentation.Domain.TypeIds;
 
 namespace Vizhtalk.CDN.Presentation.Controllers
 {
-    [Route("api/[controller]")]
+    [Route("[controller]")]
     [ApiController]
-    public class FileController : ControllerBase
+    public class FileController(IUnitOfWork unitOfWork) : ControllerBase
     {
 
         [HttpGet("{id}")]
-        public IActionResult Get(MediaGroupMediaId id)
+        public async Task<IActionResult> Get(Guid id)
         {
+            var mediaGroupMedia = await unitOfWork.MediaGroupMedia
+                .GetDetailsById(new MediaGroupMediaId(id));
 
-            
+            if (mediaGroupMedia == null)
+                return NotFound();
 
-            return Unauthorized();
+            if(!mediaGroupMedia.MediaGroup.IsSecure)
+            {
+                var fileBytes = System.IO.File.ReadAllBytes(mediaGroupMedia.Media.Path);
+                return File(fileBytes, mediaGroupMedia.Media.ContentType.Value);
+            }
+
+            return NotFound();
         }
 
     }

Vizhtalk.CDN.Presentation/Domain/Entities/MediaGroupMedia.cs

@@ -23,8 +23,8 @@ public class MediaGroupMedia : Entity<MediaGroupMediaId>
     public FileName Name { get; private set; }
     public MediaId MediaId { get; private set; }
     public MediaGroupId MediaGroupId { get; private set; }
-    public Media Media { get; private set; }
-    public MediaGroup MediaGroup { get; private set; }
+    public Media Media { get;  set; }
+    public MediaGroup MediaGroup { get;  set; }
     public IReadOnlyList<MediaPermission> MediaPermissions => _mediaPermissions;
 
     internal static MediaGroupMedia CreateNew(FileName fileName,

Vizhtalk.CDN.Presentation/Domain/Repositories/IMediaGroupMediaRepository.cs

@@ -4,4 +4,7 @@ using VizhTalk.BuildingBlocks.Domain;
 
 namespace Vizhtalk.CDN.Presentation.Domain.Repositories;
 
-public interface IMediaGroupMediaRepository : IRepositoryBase<MediaGroupMedia, MediaGroupMediaId>;
+public interface IMediaGroupMediaRepository : IRepositoryBase<MediaGroupMedia, MediaGroupMediaId>
+{
+    Task<MediaGroupMedia?> GetDetailsById(MediaGroupMediaId mediaGroupMediaId,CancellationToken cancellationToken = default);
+}

Vizhtalk.CDN.Presentation/Infrastructure/Repositories/MediaGroupMediaRepository.cs

@@ -9,8 +9,29 @@ namespace Vizhtalk.CDN.Presentation.Infrastructure.Repositories
 {
     public class MediaGroupMediaRepository : RepositoryBase<MediaGroupMedia, MediaGroupMediaId>, IMediaGroupMediaRepository
     {
+        private readonly CDNDbContext dbContext;
+
         public MediaGroupMediaRepository(CDNDbContext dbContext) : base(dbContext)
         {
+            this.dbContext = dbContext;
+        }
+
+        public async Task<MediaGroupMedia?> GetDetailsById(MediaGroupMediaId mediaGroupMediaId, CancellationToken cancellationToken = default)
+        {
+            var mediaGroupMedia = await dbContext.Set<MediaGroupMedia>()
+                .FirstOrDefaultAsync(x => x.Id == mediaGroupMediaId, cancellationToken);
+
+            if (mediaGroupMedia == null)
+                return null;
+
+            // پر کردن دستی navigation properties
+            mediaGroupMedia.MediaGroup = await dbContext.Set<MediaGroup>()
+                .FirstOrDefaultAsync(mg => mg.Id == mediaGroupMedia.MediaGroupId, cancellationToken);
+
+            mediaGroupMedia.Media = await dbContext.Set<Media>()
+                .FirstOrDefaultAsync(m => m.Id == mediaGroupMedia.MediaId, cancellationToken);
+
+            return mediaGroupMedia;
         }
     }
 }

Vizhtalk.CDN.Presentation/Program.cs

@@ -8,6 +8,7 @@ var builder = WebApplication.CreateBuilder(args);
 var connectionString = builder.Configuration.GetConnectionString("VizhTalk.CDN")!;
 var databaseName = builder.Configuration.GetConnectionString("VizhTalk.CDN.DatabaseName")!;
 
+builder.Services.AddControllers();
 builder.Services.Initialize(connectionString, databaseName);
 builder.Services.AddGrpc(op =>
 {
@@ -18,10 +19,10 @@ var app = builder.Build();
 
 
 
-app.MapGet("/", () => "Hello World!");
+app.UseRouting();
 
 app.MapGrpcService<CDNService>();
-
+app.MapControllers();
 //app.UseCDNModule();
 
 app.Run();