feat: add study content readonly endpoints

Tiku.Api/Contracts/StudyContentDtos.cs

@@ -0,0 +1,45 @@
+using System.ComponentModel.DataAnnotations;
+using Tiku.Application.StudyContent;
+
+namespace Tiku.Api.Contracts;
+
+public sealed class StudyContentQueryDto
+{
+    [StringLength(100)]
+    public string? TenantCode { get; set; }
+
+    public Guid? RegionId { get; set; }
+
+    public Guid? UnitId { get; set; }
+
+    public Guid? SubjectId { get; set; }
+
+    public Guid? ChapterId { get; set; }
+
+    public Guid? EntryId { get; set; }
+
+    public Guid? ContentNodeId { get; set; }
+
+    [StringLength(100)]
+    public string? Keyword { get; set; }
+
+    public bool IncludeContent { get; set; }
+
+    [Range(1, 2000)]
+    public int? Limit { get; set; }
+
+    public StudyContentFilter ToFilter(Guid tenantId)
+    {
+        return new StudyContentFilter(
+            tenantId,
+            RegionId,
+            UnitId,
+            SubjectId,
+            ChapterId,
+            EntryId,
+            ContentNodeId,
+            Keyword,
+            IncludeContent,
+            Limit);
+    }
+}