373 lines
16 KiB
C#
373 lines
16 KiB
C#
using Dolphin.ExamPictureCut.Domains.Basic;
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using Dolphin.ExamPictureCut.Domains.Biz;
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using Dolphin.ExamPictureCut.Domains.Quest;
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using Dolphin.ExamPictureCut.Exams.Dto;
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using Dolphin.ExamPictureCut.Extensions;
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using Flurl.Http;
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using Microsoft.Extensions.Logging;
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using Newtonsoft.Json;
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using NoFurion;
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using NoFurion.SqlSugar;
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using SkiaSharp;
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using SqlSugar;
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using Volo.Abp.BlobStoring;
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using Volo.Abp.Domain.Services;
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using Yitter.IdGenerator;
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namespace Dolphin.ExamPictureCut.Exams;
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public class ExamManager : DomainService, IExamManager
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{
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private readonly ISqlSugarClient Db;
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private readonly IBlobContainer _blobContainer;
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private readonly SKPaint skPaint = new SKPaint
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{
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Color = SKColors.Black,
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IsAntialias = true, // 抗锯齿
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Style = SKPaintStyle.Stroke,
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StrokeWidth = 1,
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StrokeCap = SKStrokeCap.Round,
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};
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public ExamManager(ISqlSugarClient db, IBlobContainer blobContainer)
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{
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Db = db;
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_blobContainer = blobContainer;
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}
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public async Task ExamStudentGather(ExamStudentGatherEto eto)
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{
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var penSerial = eto.StudentExamNum;
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Logger.LogInformation("{ExamSubjectId} {penSerial} 开始收集...", eto.ExamSubjectId, penSerial);
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var guid = GuidGenerator.Create().ToString("N");
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var templateIds = JsonConvert.DeserializeObject<List<string>>(eto.TemplateId);
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var templates = await Db.Queryable<GroupBookPaperTemplate>().Where(w => templateIds.Contains(w.Id))
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.Select(s => new { s.Id, s.PaperId, s.PartId, s.PageIndex, s.ImgUrl, s.QueData, s.Order }).ToListAsync();
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var paperInfo = templates.Select(s =>
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{
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var data = JsonConvert.DeserializeObject<TemplateJsonModel_DataArr>(s.QueData);
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return new PaperQueData
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{
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TemplateId = s.Id,
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PaperId = s.PaperId,
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PartId = s.PartId,
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PageIndex = s.PageIndex,
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QueData = data.queData,
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ImgUrl = s.ImgUrl,
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Sort = s.Order,
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};
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}).OrderBy(s => s.PartId).ThenBy(s => s.PageIndex).ToList();
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var paperIds = templates.Select(s => s.PaperId).ToList();
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// 获取点阵数据
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var lattices = await Db.Queryable<PenOfflineData>()
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.Where(w => w.PenSerial == penSerial && paperIds.Contains(w.PageSerial) && w.logType == LogType.作业)
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.Select(s => new PenOfflineData
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{
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PageSerial = s.PageSerial,
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CX = s.CX,
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CY = s.CY,
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Time = s.Time,
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strokeIndex = s.strokeIndex,
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}).ToListAsync();
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if (lattices.Count == 0)
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{
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Logger.LogInformation("{ExamSubjectId} {penSerial} 无点阵数据", eto.ExamSubjectId, penSerial);
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return;
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}
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var DbBiz = await GetTenantDb(eto.SchoolId);
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var kgtDtls = await DbBiz.Queryable<MarkingSettingObjective>()
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.Where(w => w.ExamSubjectId == eto.ExamSubjectId)
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.Select(s => new MkExamResult
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{
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Id = YitIdHelper.NextId(),
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StudentNo = penSerial,
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ExamId = eto.ExamId,
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ExamSubjectId = eto.ExamSubjectId,
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QuestionNumber = s.QuestionNum,
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IsObjectiveQuestion = true,
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GroupNo = guid,
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}).ToListAsync();
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var gotoCount = 0;
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dotPenOriginalImg:
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var zgtSettingDtls = await DbBiz.Queryable<MarkingSettingSubjective>().Where(w => w.ExamSubjectId == eto.ExamSubjectId).ToListAsync();
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// 割原题
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if (!zgtSettingDtls.Any(s => s.DotPenOriginalImg.IsNotNullOrEmpty()))
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{
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if (gotoCount >= 1)
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{
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Logger.LogError("割原题超出次数限制，收集终止");
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return;
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}
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var redisLockKey = "LockKey:" + eto.ExamSubjectId;
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var redisLock = await RedisHelper.GetAsync(redisLockKey);
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if (string.IsNullOrEmpty(redisLock))
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{
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await RedisHelper.SetAsync(redisLockKey, "1");
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foreach (var paper in paperInfo)
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{
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var imgStream = await paper.ImgUrl.GetStreamAsync();
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var bitmap = SKBitmap.Decode(imgStream);
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var nextPaper = paperInfo.FirstOrDefault(w => w.PartId == paper.PartId && w.PageIndex == paper.PageIndex + 1);
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foreach (var que in paper.QueData)
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{
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if (que.type != "2") continue;
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if (que.options == null || que.options.Count == 0) continue;
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var area = que.options[0].AnswerArea;
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var areaTop = area.pxTop;
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var areaHeight = area.pxHeight;
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var sourceRect = new SKRect(0, areaTop, bitmap.Width, areaTop + areaHeight);
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var height = areaHeight;
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SKBitmap nextImgBitmap = null;
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SKRect nextSourceRect = new();
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var queOnNextPaper = nextPaper?.QueData.FirstOrDefault(w => w.no == que.no);
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if (queOnNextPaper?.options?.Count >= 1)
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{
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var nextImgStream = await nextPaper.ImgUrl.GetStreamAsync();
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nextImgBitmap = SKBitmap.Decode(nextImgStream);
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var nextArea = queOnNextPaper.options[0].AnswerArea;
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var nextAreaTop = nextArea.pxTop;
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var nextAreaHeight = nextArea.pxHeight;
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height += nextAreaHeight;
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nextSourceRect = new SKRect(0, nextAreaTop, bitmap.Width, nextAreaTop + nextAreaHeight);
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}
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using (var newBitmap = new SKBitmap(bitmap.Width, height.SSWR(), SKColorType.Rgba8888, SKAlphaType.Premul))
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{
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using (var canvas = new SKCanvas(newBitmap))
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{
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canvas.DrawBitmap(bitmap, sourceRect, new SKRect(0, 0, bitmap.Width, areaHeight));
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if (nextImgBitmap != null)
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canvas.DrawBitmap(nextImgBitmap, nextSourceRect, new SKRect(0, areaHeight, bitmap.Width, height));
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}
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var dtl = zgtSettingDtls.FirstOrDefault(w => w.QuestionNum == que.no);
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dtl.DotPenOriginalImg = $"que/{eto.ExamSubjectId}/{paper.Sort}/{que.no}.png";
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await _blobContainer.SaveAsync(dtl.DotPenOriginalImg, newBitmap.Encode(SKEncodedImageFormat.Png, 100).ToArray(), true);
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}
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}
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}
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await Db.Updateable(zgtSettingDtls).UpdateColumns(s => s.DotPenOriginalImg).Where(w => w.DotPenOriginalImg.IsNotNullOrEmpty()).ExecuteCommandAsync();
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await RedisHelper.SetAsync(redisLockKey, "0");
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}
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else
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{
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while (await RedisHelper.GetAsync(redisLockKey) == "1")
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{
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Thread.Sleep(1000);
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}
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gotoCount++;
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goto dotPenOriginalImg;
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}
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}
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var zgtDtls = zgtSettingDtls.Select(s => new SubjectiveMarkingResult
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{
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Id = YitIdHelper.NextId(),
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ExamSubjectId = eto.ExamSubjectId,
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ExamSubjectSchoolId = eto.ExamSubjectSchoolId,
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StudentExamNum = penSerial,
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QuestionNum = s.QuestionNum,
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TotalScore = s.Score,
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SubQuestionCount = s.SubQuestionCount,
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SubQuestionDetail = s.SubQuestionDetail,
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GroupNo = guid,
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BigQuestionNum = s.BigQuestionNum,
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IsExcess = s.IsExcess,
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}).ToList();
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var kgt = new List<Tuple<string, string>>();
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var zgt = new List<Tuple<string, string, bool>>(); // 纸张Id, 题号, 是否跨页
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var pageSerials = new List<string>(); // 需要计算的页
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foreach (var paper in paperInfo)
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{
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var paperLatts = lattices.Where(w => w.PageSerial == paper.PaperId).ToList();
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foreach (var que in paper.QueData)
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{
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if (que.type == "1") // 客观题
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{
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if (que.options.Any() && que.options.Any(opt => paperLatts.Any(s => RectExt.IsRectContainsLattice(opt.AnswerArea, s))))
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{
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pageSerials.Add(paper.PaperId);
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kgt.Add(new(paper.PaperId, que.no));
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}
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}
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else if (que.type == "2") // 主观题
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{
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if (que.options.Any() && paperLatts.Any(s => RectExt.IsRectContainsLattice(que.options[0].AnswerArea, s)))
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{
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pageSerials.Add(paper.PaperId);
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var ky = false;
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var quePaperId = paper.PaperId;
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var queOthPaper = paperInfo.FirstOrDefault(w => w.PartId == paper.PartId && w.PageIndex != paper.PageIndex && w.QueData.Any(s => s.no == que.no));
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if (queOthPaper != null)
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{
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ky = true;
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if (paper.PageIndex > queOthPaper.PageIndex)
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{
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pageSerials.Add(queOthPaper.PaperId);
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quePaperId = queOthPaper.PaperId;
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}
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}
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if (!zgt.Any(s => s.Item1 == quePaperId && s.Item2 == que.no))
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zgt.Add(new(quePaperId, que.no, ky));
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}
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}
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}
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}
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var kgtPapers = kgt.GroupBy(s => s.Item1).Select(s => s.Key).ToList(); // 客观题处理
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foreach (var paperId in kgtPapers)
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{
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var paper = paperInfo.FirstOrDefault(w => w.PaperId == paperId);
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var paperLatts = lattices.Where(w => w.PageSerial == paperId).ToList();
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var queNos = kgt.Where(w => w.Item1 == paperId).Select(s => s.Item2).ToList();
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foreach (var queNo in queNos)
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{
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var queInfo = paper.QueData.FirstOrDefault(w => w.no == queNo);
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var queLatts = paperLatts.Where(w => queInfo.options.Any(s => RectExt.IsRectContainsLattice(s.AnswerArea, w))
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|| queInfo.resetPoint.Any(s => RectExt.IsRectContainsLattice(s, w))).ToList();
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long? resetTime = null;
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if (queInfo.resetPoint.Any())
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{
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var resetLatts = queLatts.Where(w => RectExt.IsRectContainsLattice(queInfo.resetPoint[0], w)).ToList();
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resetTime = resetLatts.Any() ? resetLatts.Max(w => w.Time) : null;
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}
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var stuAnswer = "";
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// 遍历每个选项
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foreach (var option in queInfo.options)
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{
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if (!option.point.Any()) continue; // 该选项无坐标数据
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var choose = queLatts.WhereIF(resetTime.HasValue, w => w.Time > resetTime).Where(a => RectExt.IsRectContainsLattice(option.point[0], a));
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if (!choose.Any()) continue;
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stuAnswer += option.option;
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}
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var dtl = kgtDtls.FirstOrDefault(w => w.QuestionNumber == queNo);
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if (dtl != null)
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{
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dtl.QuestionValue = stuAnswer;
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}
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}
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}
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var zgtPapers = zgt.GroupBy(s => s.Item1).Select(s => s.Key).ToList(); // 主观题处理
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foreach (var paperId in zgtPapers)
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{
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var paper = paperInfo.FirstOrDefault(w => w.PaperId == paperId);
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var paperJobPage = templateIds.FindIndex(s => s == paper.TemplateId) + 1;
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var paperLatts = lattices.Where(w => w.PageSerial == paperId).ToList();
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var ques = zgt.Where(w => w.Item1 == paperId).ToList();
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foreach (var que in ques)
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{
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var queNo = que.Item2;
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var queInfo = paper.QueData.FirstOrDefault(w => w.no == queNo);
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var answerArea = queInfo.options[0].AnswerArea;
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var queLatts = paperLatts.Where(w => RectExt.IsRectContainsLattice(answerArea, w))
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.Select(s => new SubjectiveLatt()
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{
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Stroke = s.strokeIndex,
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X = s.CX.AUToPX(),
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Y = s.CY.AUToPX() - answerArea.pxTop,
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Time = s.Time,
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}).ToList();
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if (que.Item3) // 跨页
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{
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var queOnNextPaper = paperInfo.FirstOrDefault(w => w.PartId == paper.PartId && w.PageIndex == paper.PageIndex + 1 && w.QueData.Any(s => s.no == queNo));
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var queInfoOnNextPaper = queOnNextPaper.QueData.FirstOrDefault(w => w.no == queNo);
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var answerAreaOnNextPaper = queInfoOnNextPaper.options[0].AnswerArea;
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var queLattsOnNextPaper = lattices.Where(w => w.PageSerial == queOnNextPaper.PaperId && RectExt.IsRectContainsLattice(answerAreaOnNextPaper, w))
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.Select(s => new SubjectiveLatt()
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{
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Stroke = s.strokeIndex,
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X = s.CX.AUToPX(),
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Y = s.CY.AUToPX() + answerArea.pxHeight - answerAreaOnNextPaper.pxTop,
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Time = s.Time,
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}).ToList();
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queLatts.AddRange(queLattsOnNextPaper);
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}
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var stuAnswer = "";
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var queImgUrl = zgtSettingDtls.FirstOrDefault(w => w.QuestionNum == queNo).DotPenOriginalImg;
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var imgStream = await _blobContainer.GetAsync(queImgUrl);
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var queBitmap = SKBitmap.Decode(imgStream);
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using (var canvas = new SKCanvas(queBitmap))
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{
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// 一笔一笔的画上去
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var strokeIndexs = queLatts.GroupBy(g => g.Stroke).Select(s => s.Key).ToList();
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foreach (var stroke in strokeIndexs)
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{
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var points = queLatts.Where(w => w.Stroke == stroke).OrderBy(s => s.Time).Select(s => new SKPoint(s.X, s.Y)).ToArray();
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var skPointMode = SKPointMode.Polygon;
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if (points.Length == 1)
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skPointMode = SKPointMode.Points;
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else if (points.Length == 2)
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skPointMode = SKPointMode.Lines;
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canvas.DrawPoints(skPointMode, points, skPaint);
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}
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stuAnswer = $"queAnswer/{eto.ExamSubjectId}/{penSerial}/{paper.Sort}/{queNo}.png";
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await _blobContainer.SaveAsync(stuAnswer, queBitmap.Encode(SKEncodedImageFormat.Png, 100).ToArray(), true);
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}
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var dtl = zgtDtls.FirstOrDefault(w => w.QuestionNum == queNo);
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if (dtl != null)
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{
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dtl.StudentAnswer = stuAnswer;
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}
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}
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}
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await DbBiz.UseTranAsync(async () =>
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{
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// 删除
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await DbBiz.Deleteable<MkExamResult>().Where(w => w.ExamSubjectId == eto.ExamSubjectId && w.StudentNo == penSerial).ExecuteCommandAsync();
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await DbBiz.Updateable<SubjectiveMarkingResult>()
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.SetColumns(s => s.IsDeleted == true)
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.Where(w => w.ExamSubjectId == eto.ExamSubjectId && w.StudentExamNum == penSerial && w.IsDeleted == false)
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.ExecuteCommandAsync();
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// 新增
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await DbBiz.Insertable(kgtDtls).ExecuteCommandAsync();
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await DbBiz.Insertable(zgtDtls).ExecuteCommandAsync();
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});
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}
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public async Task ExamAnnotate(ExamAnnotateEto eto)
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{
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}
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public async Task<SqlSugarClient> GetTenantDb(long tenantCode)
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{
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var tenant = await Db.Queryable<Tenant>().Where(w => w.TenantCode == tenantCode).FirstAsync();
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ExceptionExt.ThrowIf(tenant == null, $"{nameof(tenant)} is null with ${tenantCode}");
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var config = new SqlSugarConfig();
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return new SqlSugarClient(new ConnectionConfig()
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{
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DbType = DbType.MySql,
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ConnectionString = tenant.ConnectionString,
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IsAutoCloseConnection = true,
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ConfigureExternalServices = config.ExtService,
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});
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}
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}
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