ba81359afa
- Updated Lesson entity to use LevelId (int) instead of Level (int) - Added navigation property Level (Level entity) - Added Order, Topic, and IsActive properties to Lesson - Updated Lesson.Create() factory method signature to accept levelId, title, order, topic, description - Split Update method into individual property update methods - Updated LessonDto to use LevelId, LevelName, LevelCode instead of Level int - Added CreateLessonDto and UpdateLessonDto with all required fields - Added UpdateFromDto extension method for Lesson - Updated CreateLessonCommand to validate LevelId instead of Level - Updated SeedDataExtension to seed Level entities first, then use new Lesson.Create() signature - Made SeedDatabaseAsync async and updated Program.cs to await it - Updated LessonsEndpoints to use GetByLevelAsync for beginner/advanced queries - Fixed missing using directive for Domain.Entities Generated by Mistral Vibe. Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
110 lines
3 KiB
C#
110 lines
3 KiB
C#
namespace GermanApp.Domain.Entities;
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/// <summary>
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/// Represents a lesson in the DeutschLernen system.
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/// Lessons are organized within CEFR levels and must be completed in order.
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/// </summary>
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public class Lesson
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{
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public int Id { get; private set; }
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public int LevelId { get; private set; }
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public string Title { get; private set; } = string.Empty;
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public int Order { get; private set; }
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public string Topic { get; private set; } = string.Empty;
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public string Description { get; private set; } = string.Empty;
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public bool IsActive { get; private set; } = true;
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public DateTime CreatedAt { get; private set; }
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public DateTime? UpdatedAt { get; private set; }
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// Navigation property (EF Core will handle this)
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public virtual Level? Level { get; private set; }
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/// <summary>
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/// Constructor for EF Core deserialization.
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/// </summary>
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private Lesson() { }
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/// <summary>
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/// Factory method to create a new lesson.
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/// </summary>
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/// <param name="levelId">ID of the parent level</param>
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/// <param name="title">Title of the lesson</param>
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/// <param name="order">Sort order within the level</param>
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/// <param name="topic">Main topic covered in the lesson</param>
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/// <param name="description">Description of what the lesson covers</param>
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public static Lesson Create(int levelId, string title, int order, string topic, string description = "")
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{
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return new Lesson
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{
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LevelId = levelId,
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Title = title,
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Order = order,
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Topic = topic,
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Description = description,
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CreatedAt = DateTime.UtcNow
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};
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}
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/// <summary>
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/// Updates the lesson's title.
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/// </summary>
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public void UpdateTitle(string newTitle)
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{
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Title = newTitle;
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UpdatedAt = DateTime.UtcNow;
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}
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/// <summary>
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/// Updates the lesson's topic.
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/// </summary>
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public void UpdateTopic(string newTopic)
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{
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Topic = newTopic;
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UpdatedAt = DateTime.UtcNow;
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}
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/// <summary>
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/// Updates the lesson's description.
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/// </summary>
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public void UpdateDescription(string newDescription)
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{
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Description = newDescription;
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UpdatedAt = DateTime.UtcNow;
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}
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/// <summary>
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/// Updates the lesson's sort order.
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/// </summary>
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public void UpdateOrder(int newOrder)
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{
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Order = newOrder;
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UpdatedAt = DateTime.UtcNow;
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}
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/// <summary>
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/// Updates the lesson's level.
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/// </summary>
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public void UpdateLevel(int newLevelId)
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{
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LevelId = newLevelId;
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UpdatedAt = DateTime.UtcNow;
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}
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/// <summary>
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/// Activates the lesson.
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/// </summary>
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public void Activate()
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{
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IsActive = true;
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UpdatedAt = DateTime.UtcNow;
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}
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/// <summary>
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/// Deactivates the lesson.
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/// </summary>
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public void Deactivate()
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{
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IsActive = false;
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UpdatedAt = DateTime.UtcNow;
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}
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}
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