入职任务预览，入职任务cope，验证填入的信息

SimpleAdmin.Application/Services/Onboarding/Task/OnboardingTaskService.cs

@@ -23,6 +23,9 @@ public class OnboardingTaskService : IOnboardingTaskService
     /// </summary>
     public async Task<OnboardingTaskCreatedOutput> Create(OnboardingTaskCreateInput input)
     {
+        if (string.IsNullOrWhiteSpace(input.Remark))
+            throw Oops.Bah("请填写人事备注");
+
         var companyEnabled = await _db.Queryable<ObCompany>()
             .AnyAsync(item => item.Id == input.CompanyId && item.Status == "enable");
         if (!companyEnabled)
@@ -121,7 +124,7 @@ public class OnboardingTaskService : IOnboardingTaskService
             AssignedReviewerUserId = input.AssignedReviewerUserId,
             LinkExpireAt = expiresAt,
             TaskStatus = OnboardingTaskStatus.PendingFill,
-            Remark = input.Remark
+            Remark = input.Remark.Trim()
         };
 
         ValidateInitialContractDateRanges(input.ContractVariables);
@@ -207,6 +210,230 @@ public class OnboardingTaskService : IOnboardingTaskService
         };
     }
 
+    /// <summary>
+    /// 复制原任务锁定的业务配置与人事参数，并原子化创建多条独立任务。
+    /// </summary>
+    public async Task<OnboardingTaskCopyOutput> Copy(OnboardingTaskCopyInput input)
+    {
+        const int maxCopyCount = 50;
+        if (input.Count < 1 || input.Count > maxCopyCount)
+            throw Oops.Bah($"复制数量必须在1到{maxCopyCount}之间");
+
+        input.Items ??= new List<OnboardingTaskCopyItemInput>();
+        if (input.Items.Count != input.Count)
+            throw Oops.Bah("复制数量与人事备注数量不一致");
+
+        var missingRemarkIndex = input.Items.FindIndex(item =>
+            string.IsNullOrWhiteSpace(item.Remark));
+        if (missingRemarkIndex >= 0)
+            throw Oops.Bah($"请填写第{missingRemarkIndex + 1}份任务的人事备注");
+
+        var sourceTask = await _db.Queryable<ObOnboardingTask>()
+            .InSingleAsync(input.SourceTaskId)
+            ?? throw Oops.Bah("原入职任务不存在");
+        if (!sourceTask.DepartmentId.HasValue)
+            throw Oops.Bah("原入职任务未设置部门，不能复制");
+
+        var companyEnabled = await _db.Queryable<ObCompany>()
+            .AnyAsync(item => item.Id == sourceTask.CompanyId && item.Status == "enable");
+        if (!companyEnabled)
+            throw Oops.Bah("原任务所属公司不存在或未启用");
+
+        var departmentEnabled = await _db.Queryable<ObDepartment>()
+            .AnyAsync(item => item.Id == sourceTask.DepartmentId.Value
+                              && item.CompanyId == sourceTask.CompanyId
+                              && item.Status == "enable");
+        if (!departmentEnabled)
+            throw Oops.Bah("原任务所属部门不存在或未启用");
+
+        var positionEnabled = await _db.Queryable<ObPosition>()
+            .AnyAsync(item => item.Id == sourceTask.PositionId
+                              && item.CompanyId == sourceTask.CompanyId
+                              && item.DepartmentId == sourceTask.DepartmentId.Value
+                              && item.Status == "enable");
+        if (!positionEnabled)
+            throw Oops.Bah("原任务所属岗位不存在或未启用");
+
+        var onboardingTemplateEnabled = await _db.Queryable<ObOnboardingTemplate>()
+            .AnyAsync(item => item.Id == sourceTask.OnboardingTemplateId
+                              && item.CompanyId == sourceTask.CompanyId
+                              && item.DepartmentId == sourceTask.DepartmentId.Value
+                              && item.Status == "enable");
+        if (!onboardingTemplateEnabled)
+            throw Oops.Bah("原任务使用的入职模板不存在或未启用");
+
+        var sourceContracts = await _db.Queryable<ObTaskContract>()
+            .Where(item => item.TaskId == sourceTask.Id)
+            .ToListAsync();
+        if (sourceContracts.Count == 0)
+            throw Oops.Bah("原入职任务没有合同快照，不能复制");
+
+        var versionIds = sourceContracts
+            .Select(item => item.TemplateVersionId)
+            .Distinct()
+            .ToList();
+        var enabledVersionCount = await _db.Queryable<ObContractTemplateVersion>()
+            .CountAsync(item => versionIds.Contains(item.Id)
+                                && item.VersionStatus == ContractTemplateVersionStatus.Enabled);
+        if (enabledVersionCount != versionIds.Count)
+            throw Oops.Bah("原任务包含已停用的合同版本，不能继续复制");
+
+        var sourceMaterialRequirements = await _db.Queryable<ObTaskMaterialRequirement>()
+            .Where(item => item.TaskId == sourceTask.Id)
+            .OrderBy(item => item.SortCode)
+            .ToListAsync();
+        var sourceContractIds = sourceContracts.Select(item => item.Id).ToList();
+        var sourceManualVariables = await _db.Queryable<ObTaskContractVariable>()
+            .Where(item => sourceContractIds.Contains(item.TaskContractId)
+                           && item.SourceType == ContractVariableSourceType.HrInput
+                           && item.IsManualOverride)
+            .ToListAsync();
+
+        var initialContractVariables = (
+            from contract in sourceContracts
+            join variable in sourceManualVariables
+                on contract.Id equals variable.TaskContractId
+            select new OnboardingInitialContractVariableInput
+            {
+                ContractTemplateVersionId = contract.TemplateVersionId,
+                VariableCode = variable.VariableCode,
+                VariableValue = variable.VariableValue
+            }).ToList();
+        ValidateInitialContractDateRanges(initialContractVariables);
+
+        var expiryConfig = await _configService.GetByConfigKey(
+            CateGoryConst.CONFIG_BIZ_DEFINE,
+            "onboard.link.expireHours");
+        if (expiryConfig == null
+            || !int.TryParse(expiryConfig.ConfigValue, out var expiryHours)
+            || expiryHours <= 0)
+        {
+            throw Oops.Bah("请在系统配置中设置 onboard.link.expireHours（正整数小时）");
+        }
+
+        var outputs = new List<OnboardingTaskCreatedOutput>();
+        await _db.Ado.BeginTranAsync();
+        try
+        {
+            foreach (var item in input.Items)
+            {
+                var output = await CreateCopiedTask(
+                    sourceTask,
+                    sourceContracts,
+                    sourceMaterialRequirements,
+                    initialContractVariables,
+                    expiryHours,
+                    item.Remark.Trim());
+                outputs.Add(output);
+            }
+
+            await _db.Ado.CommitTranAsync();
+        }
+        catch
+        {
+            await _db.Ado.RollbackTranAsync();
+            throw;
+        }
+
+        return new OnboardingTaskCopyOutput
+        {
+            Tasks = outputs
+        };
+    }
+
+    /// <summary>
+    /// 根据原任务快照创建一条全新的待填写任务，不复制任何候选人业务数据。
+    /// </summary>
+    private async Task<OnboardingTaskCreatedOutput> CreateCopiedTask(
+        ObOnboardingTask sourceTask,
+        List<ObTaskContract> sourceContracts,
+        List<ObTaskMaterialRequirement> sourceMaterialRequirements,
+        List<OnboardingInitialContractVariableInput> initialContractVariables,
+        int expiryHours,
+        string remark)
+    {
+        var now = DateTime.Now;
+        var taskId = global::SimpleAdmin.Core.Utils.CommonUtils.GetSingleId();
+        var expiresAt = now.AddHours(expiryHours);
+        var token = Guid.NewGuid().ToString("N");
+        var task = new ObOnboardingTask
+        {
+            Id = taskId,
+            TaskNo = $"OB{now:yyyyMMddHHmmss}{taskId.ToString()[^4..]}",
+            CompanyId = sourceTask.CompanyId,
+            DepartmentId = sourceTask.DepartmentId,
+            PositionId = sourceTask.PositionId,
+            OnboardingTemplateId = sourceTask.OnboardingTemplateId,
+            AssignedReviewerUserId = sourceTask.AssignedReviewerUserId,
+            LinkExpireAt = expiresAt,
+            TaskStatus = OnboardingTaskStatus.PendingFill,
+            Remark = remark
+        };
+
+        await _db.Insertable(task).ExecuteCommandAsync();
+        await _db.Insertable(new ObTaskLink
+        {
+            Id = global::SimpleAdmin.Core.Utils.CommonUtils.GetSingleId(),
+            TaskId = taskId,
+            PlainToken = token,
+            TokenHash = Convert.ToHexString(global::System.Security.Cryptography.SHA256.HashData(
+                global::System.Text.Encoding.UTF8.GetBytes(token))),
+            ExpiresAt = expiresAt
+        }).ExecuteCommandAsync();
+
+        await _db.Insertable(new ObTaskEmployeeInfo
+        {
+            Id = global::SimpleAdmin.Core.Utils.CommonUtils.GetSingleId(),
+            TaskId = taskId,
+            Status = CommonStatusConst.ENABLE,
+            CreateTime = now
+        }).ExecuteCommandAsync();
+
+        var copiedContracts = sourceContracts.Select(source => new ObTaskContract
+        {
+            Id = global::SimpleAdmin.Core.Utils.CommonUtils.GetSingleId(),
+            TaskId = taskId,
+            TemplateId = source.TemplateId,
+            TemplateVersionId = source.TemplateVersionId,
+            ContractName = source.ContractName,
+            ContractType = source.ContractType,
+            Required = source.Required,
+            PrintCopies = source.PrintCopies
+        }).ToList();
+        await _db.Insertable(copiedContracts).ExecuteCommandAsync();
+
+        if (sourceMaterialRequirements.Count > 0)
+        {
+            var copiedRequirements = sourceMaterialRequirements.Select(source =>
+                new ObTaskMaterialRequirement
+                {
+                    Id = global::SimpleAdmin.Core.Utils.CommonUtils.GetSingleId(),
+                    TaskId = taskId,
+                    MaterialTypeId = source.MaterialTypeId,
+                    MaterialCode = source.MaterialCode,
+                    MaterialName = source.MaterialName,
+                    AllowedExtensions = source.AllowedExtensions,
+                    MaxFileCount = source.MaxFileCount,
+                    MaxFileSizeMb = source.MaxFileSizeMb,
+                    Required = source.Required,
+                    SortCode = source.SortCode
+                }).ToList();
+            await _db.Insertable(copiedRequirements).ExecuteCommandAsync();
+        }
+
+        // 重新生成公司、系统和空员工变量，再覆盖原任务的人事参数。
+        await _snapshotService.Build(taskId);
+        await ApplyInitialContractVariables(initialContractVariables, copiedContracts);
+
+        return new OnboardingTaskCreatedOutput
+        {
+            TaskId = taskId,
+            TaskNo = task.TaskNo,
+            LinkToken = token,
+            ExpiresAt = expiresAt
+        };
+    }
+
     /// <summary>
     /// 校验并保存任务创建时填写的人事合同变量。
     /// </summary>
@@ -289,7 +516,7 @@ public class OnboardingTaskService : IOnboardingTaskService
     /// <summary>
     /// 校验人事创建任务时填写的合同日期先后关系。
     /// </summary>
-    private static void ValidateInitialContractDateRanges(
+    internal static void ValidateInitialContractDateRanges(
         List<OnboardingInitialContractVariableInput> inputs)
     {
         inputs ??= new List<OnboardingInitialContractVariableInput>();