feat: add vocabulary and handbook persistence

Tiku.Domain/Content/StudyContentEntities.cs

@@ -0,0 +1,171 @@
+using System.Text.Json;
+using Tiku.Domain.Common;
+
+namespace Tiku.Domain.Content;
+
+public sealed class VocabularyUnit : AuditableTenantEntity
+{
+    public Guid? RegionId { get; set; }
+    public Guid? EntryId { get; set; }
+    public Guid? ContentNodeId { get; set; }
+    public string? LegacyId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public int? WordCount { get; set; }
+    public int SortOrder { get; set; }
+    public bool IsActive { get; set; } = true;
+    public string? SourceHash { get; set; }
+    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
+}
+
+public sealed class VocabularyWord : AuditableTenantEntity
+{
+    public Guid? UnitId { get; set; }
+    public Guid? EntryId { get; set; }
+    public Guid? ContentNodeId { get; set; }
+    public string? LegacyId { get; set; }
+    public string Word { get; set; } = string.Empty;
+    public string? Phonetic { get; set; }
+    public string? Meaning { get; set; }
+    public string? Example { get; set; }
+    public string? ExampleTranslation { get; set; }
+    public int? Difficulty { get; set; }
+    public JsonElement Tags { get; set; } = JsonDefaults.Array();
+    public int SortOrder { get; set; }
+    public bool IsActive { get; set; } = true;
+    public string? SourceHash { get; set; }
+    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
+}
+
+public sealed class UserWordProgress : AuditableTenantEntity
+{
+    public Guid UserId { get; set; }
+    public Guid WordId { get; set; }
+    public string? LegacyId { get; set; }
+    public string? LegacyUserId { get; set; }
+    public string? LegacyWordId { get; set; }
+    public WordProgressStatus Status { get; set; } = WordProgressStatus.New;
+    public int CorrectCount { get; set; }
+    public int WrongCount { get; set; }
+    public DateTimeOffset? LastReviewAt { get; set; }
+    public DateTimeOffset? NextReviewAt { get; set; }
+    public int ReviewCount { get; set; }
+    public int CorrectStreak { get; set; }
+    public decimal EaseFactor { get; set; } = 2.50m;
+    public WordReviewResult? LastResult { get; set; }
+    public WordDueLevel DueLevel { get; set; } = WordDueLevel.New;
+    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
+}
+
+public sealed class UserWordFavorite : AuditableTenantEntity
+{
+    public Guid UserId { get; set; }
+    public Guid WordId { get; set; }
+    public string? LegacyId { get; set; }
+    public string? LegacyUserId { get; set; }
+    public string? LegacyWordId { get; set; }
+    public string? Note { get; set; }
+    public DateTimeOffset? FavoritedAt { get; set; }
+}
+
+public sealed class HandbookSubject : AuditableTenantEntity
+{
+    public Guid? RegionId { get; set; }
+    public Guid? SchoolId { get; set; }
+    public Guid? MajorId { get; set; }
+    public Guid? EntryId { get; set; }
+    public Guid? ContentNodeId { get; set; }
+    public string? LegacyId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public HandbookSubjectType? Type { get; set; }
+    public string? Icon { get; set; }
+    public string? Color { get; set; }
+    public string? Description { get; set; }
+    public JsonElement MajorLegacyIds { get; set; } = JsonDefaults.Array();
+    public int SortOrder { get; set; }
+    public bool IsActive { get; set; } = true;
+    public string? SourceHash { get; set; }
+    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
+}
+
+public sealed class HandbookChapter : AuditableTenantEntity
+{
+    public Guid? SubjectId { get; set; }
+    public Guid? EntryId { get; set; }
+    public Guid? ContentNodeId { get; set; }
+    public string? LegacyId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public int SortOrder { get; set; }
+    public bool IsActive { get; set; } = true;
+    public string? SourceHash { get; set; }
+    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
+}
+
+public sealed class HandbookEntry : AuditableTenantEntity
+{
+    public Guid? ChapterId { get; set; }
+    public Guid? EntryId { get; set; }
+    public Guid? ContentNodeId { get; set; }
+    public string? LegacyId { get; set; }
+    public string Title { get; set; } = string.Empty;
+    public string? Summary { get; set; }
+    public string? Content { get; set; }
+    public JsonElement Tags { get; set; } = JsonDefaults.Array();
+    public int SortOrder { get; set; }
+    public bool IsActive { get; set; } = true;
+    public string? SourceHash { get; set; }
+    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
+}
+
+public sealed class QuestionTypeGroup : AuditableTenantEntity
+{
+    public Guid? SubjectId { get; set; }
+    public string? LegacyId { get; set; }
+    public string DisplayName { get; set; } = string.Empty;
+    public JsonElement Types { get; set; } = JsonDefaults.Array();
+    public int SortOrder { get; set; }
+    public bool IsActive { get; set; } = true;
+}
+
+public sealed class SubjectShare : AuditableTenantEntity
+{
+    public Guid? SourceSubjectId { get; set; }
+    public Guid? TargetSubjectId { get; set; }
+    public string? LegacyId { get; set; }
+    public string? LegacySourceSubjectId { get; set; }
+    public string? LegacyTargetSubjectId { get; set; }
+}
+
+public enum WordProgressStatus
+{
+    New,
+    Learning,
+    Mastered,
+    Reviewing,
+    Forgotten
+}
+
+public enum WordReviewResult
+{
+    Correct,
+    Wrong,
+    Known,
+    Unknown
+}
+
+public enum WordDueLevel
+{
+    New,
+    Again,
+    Soon,
+    Later,
+    Mastered
+}
+
+public enum HandbookSubjectType
+{
+    Cultural,
+    Professional,
+    Common
+}