feat: add question bank readonly endpoints

Tiku.Application/QuestionBanks/IQuestionBankQueryService.cs

@@ -0,0 +1,22 @@
+using Tiku.Application.Catalog;
+
+namespace Tiku.Application.QuestionBanks;
+
+public interface IQuestionBankQueryService
+{
+    Task<CatalogList<QuestionBankCatalogItem>> GetQuestionBanksAsync(
+        QuestionBankFilter filter,
+        CancellationToken cancellationToken = default);
+
+    Task<CatalogList<QuestionCatalogItem>> GetQuestionsAsync(
+        QuestionBankFilter filter,
+        CancellationToken cancellationToken = default);
+
+    Task<QuestionCatalogItem> GetQuestionAsync(
+        QuestionBankFilter filter,
+        CancellationToken cancellationToken = default);
+
+    Task<CatalogList<QuestionVersionCatalogItem>> GetQuestionVersionsAsync(
+        QuestionBankFilter filter,
+        CancellationToken cancellationToken = default);
+}

Tiku.Application/QuestionBanks/QuestionBankQueryModels.cs

@@ -0,0 +1,76 @@
+using System.Text.Json;
+using Tiku.Domain.QuestionBanks;
+
+namespace Tiku.Application.QuestionBanks;
+
+public sealed record QuestionBankFilter(
+    Guid TenantId,
+    Guid? RegionId = null,
+    Guid? QuestionBankId = null,
+    Guid? SubjectId = null,
+    Guid? CategoryId = null,
+    Guid? NodeId = null,
+    Guid? EntryId = null,
+    Guid? ContentNodeId = null,
+    Guid? CollectionId = null,
+    Guid? QuestionId = null,
+    IReadOnlyCollection<Guid>? QuestionIds = null,
+    string? Type = null,
+    string? Keyword = null,
+    int? Limit = null);
+
+public sealed record QuestionBankCatalogItem(
+    Guid Id,
+    Guid? RegionId,
+    string Name,
+    QuestionBankScope SourceScope,
+    QuestionBankStatus Status,
+    JsonElement Metadata);
+
+public sealed record QuestionCatalogItem(
+    Guid Id,
+    Guid? QuestionBankId,
+    Guid? SubjectId,
+    Guid? CategoryId,
+    Guid? NodeId,
+    Guid? EntryId,
+    Guid? ContentNodeId,
+    Guid? PrimaryCollectionId,
+    string? LegacyId,
+    string? LegacySubjectId,
+    string? LegacyCategoryId,
+    string? LegacyNodeId,
+    string Type,
+    string? TypeLabel,
+    int? Difficulty,
+    JsonElement Tags,
+    JsonElement ExamMarkers,
+    string? MediaUrl,
+    bool HasVideoExplanation,
+    QuestionStatus Status,
+    Guid? VersionId,
+    int? VersionNo,
+    string? Content,
+    JsonElement Options,
+    int? CorrectOptionIndex,
+    JsonElement CorrectOptionIndices,
+    string? AnswerText,
+    string? Explanation,
+    JsonElement SubQuestions,
+    string? CodeLang,
+    string? CodeTemplate);
+
+public sealed record QuestionVersionCatalogItem(
+    Guid Id,
+    Guid QuestionId,
+    int VersionNo,
+    string? Content,
+    JsonElement Options,
+    int? CorrectOptionIndex,
+    JsonElement CorrectOptionIndices,
+    string? AnswerText,
+    string? Explanation,
+    JsonElement SubQuestions,
+    string? CodeLang,
+    string? CodeTemplate,
+    DateTimeOffset CreatedAt);