成绩评论
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@@ -36,6 +36,175 @@ public sealed class GradeAnalyticsController(
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SystemRoles.CollegeAdmin + "," +
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SystemRoles.Leader;
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[HttpGet("courses/{courseId:guid}/comments")]
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public async Task<ActionResult> GetComments(
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Guid courseId,
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DateTime? beforeCreatedAt,
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Guid? beforeId,
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int pageSize = 30,
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CancellationToken cancellationToken = default)
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{
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if (!await CanAccessCommentCourseAsync(courseId, cancellationToken)) return NotFound();
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if (beforeCreatedAt.HasValue != beforeId.HasValue)
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return BadRequest("评论游标不完整。");
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pageSize = Math.Clamp(pageSize, 1, 50);
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var currentUserId = currentUserDataScope.Current.UserId;
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var canModerate = CanModerateComments();
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var source = db.GradeAnalyticsComments.AsNoTracking()
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.Where(x => x.CourseId == courseId && x.ParentCommentId == null);
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if (beforeCreatedAt.HasValue)
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{
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var cursorAt = beforeCreatedAt.Value;
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var cursorId = beforeId!.Value;
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source = source.Where(x => x.CreatedAt < cursorAt ||
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x.CreatedAt == cursorAt && x.Id.CompareTo(cursorId) < 0);
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}
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var rows = await source
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.OrderByDescending(x => x.CreatedAt)
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.ThenByDescending(x => x.Id)
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.Take(pageSize + 1)
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.Join(db.Users.AsNoTracking(), comment => comment.AuthorUserId, user => user.Id,
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(comment, user) => new
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{
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comment.Id,
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comment.Content,
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comment.IsAnonymous,
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comment.CreatedAt,
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AuthorName = comment.IsAnonymous ? "匿名用户" : user.DisplayName,
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CanDelete = comment.AuthorUserId == currentUserId || canModerate,
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ReplyCount = db.GradeAnalyticsComments.Count(reply => reply.ParentCommentId == comment.Id),
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LikeCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Like),
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InsightfulCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Insightful),
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AgreeCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Agree),
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HoorayCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Hooray),
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HeartCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Heart),
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RocketCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Rocket),
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EyesCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Eyes),
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LaughCount = db.GradeAnalyticsCommentReactions.Count(reaction => reaction.CommentId == comment.Id && reaction.Type == GradeAnalyticsCommentReactionType.Laugh),
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HasLiked = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Like),
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HasInsightful = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Insightful),
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HasAgreed = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Agree),
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HasHoorayed = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Hooray),
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HasHearted = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Heart),
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HasRocketed = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Rocket),
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HasEyed = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Eyes),
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HasLaughed = db.GradeAnalyticsCommentReactions.Any(reaction => reaction.CommentId == comment.Id && reaction.UserId == currentUserId && reaction.Type == GradeAnalyticsCommentReactionType.Laugh)
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})
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.ToListAsync(cancellationToken);
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var hasMore = rows.Count > pageSize;
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var items = rows.Take(pageSize).ToArray();
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var last = items.LastOrDefault();
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return Ok(new
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{
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Items = items,
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HasMore = hasMore,
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NextCursor = hasMore && last is not null
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? new { last.CreatedAt, last.Id }
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: null
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});
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}
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[HttpPost("courses/{courseId:guid}/comments")]
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public async Task<ActionResult> CreateComment(
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Guid courseId,
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CreateGradeAnalyticsCommentRequest request,
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CancellationToken cancellationToken)
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{
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if (!await CanAccessCommentCourseAsync(courseId, cancellationToken)) return NotFound();
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var content = request.Content?.Trim();
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if (string.IsNullOrWhiteSpace(content))
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return ValidationProblem("评论内容不能为空。");
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if (content.Length > 1000)
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return ValidationProblem("评论不能超过 1000 个字符。");
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var userId = currentUserDataScope.Current.UserId;
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if (userId == Guid.Empty) return Forbid();
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var comment = new GradeAnalyticsComment
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{
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CourseId = courseId,
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AuthorUserId = userId,
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IsAnonymous = request.IsAnonymous,
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Content = content
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};
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db.GradeAnalyticsComments.Add(comment);
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await db.SaveChangesAsync(cancellationToken);
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return CreatedAtAction(nameof(GetComments), new { courseId });
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}
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[HttpGet("courses/{courseId:guid}/comments/{commentId:guid}/replies")]
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public async Task<ActionResult> GetReplies(Guid courseId, Guid commentId, CancellationToken cancellationToken)
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{
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if (!await CanAccessCommentCourseAsync(courseId, cancellationToken)) return NotFound();
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var currentUserId = currentUserDataScope.Current.UserId;
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var canModerate = CanModerateComments();
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var items = await db.GradeAnalyticsComments.AsNoTracking()
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.Where(x => x.CourseId == courseId && x.ParentCommentId == commentId)
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.OrderBy(x => x.CreatedAt).ThenBy(x => x.Id).Take(100)
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.Join(db.Users.AsNoTracking(), comment => comment.AuthorUserId, user => user.Id,
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(comment, user) => new { comment.Id, comment.Content, comment.IsAnonymous, comment.CreatedAt,
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AuthorName = comment.IsAnonymous ? "匿名用户" : user.DisplayName,
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CanDelete = comment.AuthorUserId == currentUserId || canModerate })
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.ToListAsync(cancellationToken);
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return Ok(new { Items = items });
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}
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[HttpPost("courses/{courseId:guid}/comments/{commentId:guid}/replies")]
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public async Task<ActionResult> CreateReply(Guid courseId, Guid commentId,
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CreateGradeAnalyticsCommentRequest request, CancellationToken cancellationToken)
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{
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if (!await CanAccessCommentCourseAsync(courseId, cancellationToken)) return NotFound();
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if (!await db.GradeAnalyticsComments.AnyAsync(x => x.Id == commentId && x.CourseId == courseId && x.ParentCommentId == null, cancellationToken)) return NotFound();
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var content = request.Content?.Trim();
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if (string.IsNullOrWhiteSpace(content) || content.Length > 1000) return ValidationProblem("回复内容应为 1 到 1000 个字符。");
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var userId = currentUserDataScope.Current.UserId;
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if (userId == Guid.Empty) return Forbid();
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db.GradeAnalyticsComments.Add(new GradeAnalyticsComment { CourseId = courseId, ParentCommentId = commentId, AuthorUserId = userId, IsAnonymous = request.IsAnonymous, Content = content });
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await db.SaveChangesAsync(cancellationToken);
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return NoContent();
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}
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[HttpPost("courses/{courseId:guid}/comments/{commentId:guid}/reactions/{reaction}")]
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public async Task<ActionResult> ToggleReaction(Guid courseId, Guid commentId, string reaction, CancellationToken cancellationToken)
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{
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if (!Enum.TryParse<GradeAnalyticsCommentReactionType>(reaction, true, out var type)) return BadRequest("不支持的 reaction。");
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if (!await CanAccessCommentCourseAsync(courseId, cancellationToken)) return NotFound();
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if (!await db.GradeAnalyticsComments.AnyAsync(x => x.Id == commentId && x.CourseId == courseId, cancellationToken)) return NotFound();
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var userId = currentUserDataScope.Current.UserId;
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var existing = await db.GradeAnalyticsCommentReactions.SingleOrDefaultAsync(x => x.CommentId == commentId && x.UserId == userId && x.Type == type, cancellationToken);
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if (existing is null) db.GradeAnalyticsCommentReactions.Add(new GradeAnalyticsCommentReaction { CommentId = commentId, UserId = userId, Type = type }); else db.GradeAnalyticsCommentReactions.Remove(existing);
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await db.SaveChangesAsync(cancellationToken);
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return NoContent();
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}
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[HttpDelete("comments/{id:guid}")]
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public async Task<ActionResult> DeleteComment(Guid id, CancellationToken cancellationToken)
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{
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var comment = await db.GradeAnalyticsComments
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.SingleOrDefaultAsync(x => x.Id == id, cancellationToken);
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if (comment is null) return NotFound();
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if (comment.AuthorUserId != currentUserDataScope.Current.UserId && !CanModerateComments())
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return Forbid();
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db.GradeAnalyticsComments.Remove(comment);
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await db.SaveChangesAsync(cancellationToken);
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return NoContent();
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}
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private bool CanModerateComments() =>
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currentUserDataScope.Current.IsInRole(SystemRoles.SuperAdmin) ||
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currentUserDataScope.Current.IsInRole(SystemRoles.AcademicAdmin);
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private Task<bool> CanAccessCommentCourseAsync(
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Guid courseId,
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CancellationToken cancellationToken) =>
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db.TeachingTaskGradeStatistics.AsNoTracking().AnyAsync(x =>
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x.CourseId == courseId &&
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VisibleTeachingTasks().Any(task => task.Id == x.TeachingTaskId),
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cancellationToken);
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[HttpGet("refresh-schedule")]
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[Authorize(Roles = ScheduleManagers)]
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public async Task<ActionResult> GetRefreshSchedule(CancellationToken cancellationToken)
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@@ -934,3 +1103,7 @@ public sealed record SaveGradeStatisticsRefreshScheduleRequest(
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bool IsEnabled,
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int IntervalSeconds,
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int BatchSize);
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public sealed record CreateGradeAnalyticsCommentRequest(
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string? Content,
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bool IsAnonymous);
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