course

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);