235 lines
7.6 KiB
Go
235 lines
7.6 KiB
Go
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package oa
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import (
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"WiiCITMS/models/oa"
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"WiiGenerates/WiiCITMS/generates/v1/go/types"
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"WiiGoLibrary/apply/middle/process/v1"
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"WiiGoLibrary/framework/db/v1/utils/mssql/unique"
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"WiiGoLibrary/framework/hub/v1/dblib"
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"errors"
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"time"
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)
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// CreateInstanceRequest 创建工作流实例请求参数
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type CreateInstanceRequest struct {
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WorkflowGuid string `json:"workflowGuid"` // 工作流ID
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Title string `json:"title"` // 实例标题
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BusinessType int `json:"businessType"` // 业务类型
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BusinessID string `json:"businessID"` // 业务ID
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InitiatorGuid string `json:"initiatorGuid"` // 发起人ID
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FormData string `json:"formData"` // 表单数据
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}
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// QueryInstancesRequest 查询工作流实例请求参数
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type QueryInstancesRequest struct {
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WorkflowGuid string `json:"workflowGuid"` // 工作流ID，可选
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BusinessType int `json:"businessType"` // 业务类型，-1表示所有类型
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BusinessID string `json:"businessID"` // 业务ID，可选
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InitiatorGuid string `json:"initiatorGuid"` // 发起人ID，可选
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Status int `json:"status"` // 状态，-1表示所有状态
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Limit int `json:"limit"` // 分页参数，每页数量
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Offset int `json:"offset"` // 分页参数，偏移量
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}
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// StartWorkflowInstance 创建并启动工作流实例
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// checkPermission: 是否检查权限，如果为true，则检查发起人是否有权限发起此类工作流
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func StartWorkflowInstance(params CreateInstanceRequest, checkPermission bool) (*oa.WorkflowInstanceModel, *process.Process) {
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// 使用事务确保操作的原子性
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tx := dblib.DBIns.DB.Begin()
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// 验证工作流是否存在并且处于激活状态
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workflowGuid, err := unique.FromString(params.WorkflowGuid)
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if err != nil {
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tx.Rollback()
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return nil, process.FailError(types.InvalidWorkflowInstanceParamError, err)
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}
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workflow := &oa.WorkflowModel{}
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r := tx.Where("RecordGuid = ? AND IsActive = 1 AND (RecordStatus & 524288) = 0", workflowGuid).First(workflow)
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if r.Error != nil {
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tx.Rollback()
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return nil, process.FailError(types.WorkflowNotFoundOrInactiveError, r.Error)
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}
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// 解析发起人ID
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initiatorGuid, err := unique.FromString(params.InitiatorGuid)
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if err != nil {
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tx.Rollback()
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return nil, process.FailError(types.InvalidWorkflowInstanceParamError, err)
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}
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// 创建工作流实例
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instance := oa.WorkflowInstanceInstance()
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instance.WorkflowGuid = workflowGuid
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instance.Title = params.Title
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instance.BusinessType = int16(params.BusinessType)
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instance.BusinessID = params.BusinessID
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instance.InitiatorGuid = initiatorGuid
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instance.Status = 0 // 进行中
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instance.FormData = params.FormData
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// 保存实例
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r = tx.Create(instance)
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if r.Error != nil {
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tx.Rollback()
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return nil, process.FailError(types.CreateWorkflowInstanceError, r.Error)
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}
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// 获取工作流的第一个节点
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firstNode := &oa.WorkflowNodeModel{}
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r = tx.Where("WorkflowGuid = ? AND NodeType = 1 AND (RecordStatus & 524288) = 0", workflowGuid).
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Order("NodeOrder ASC").First(firstNode)
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if r.Error != nil {
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tx.Rollback()
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return nil, process.FailError(types.WorkflowStartNodeNotFoundError, r.Error)
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}
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// 设置当前节点为第一个节点
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instance.CurrentNodeID = firstNode.RecordGuid
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r = tx.Save(instance)
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if r.Error != nil {
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tx.Rollback()
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return nil, process.FailError(types.UpdateWorkflowInstanceError, r.Error)
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}
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// 获取工作流的第二个节点（如果是审批节点，则创建审批任务）
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nextNode := &oa.WorkflowNodeModel{}
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r = tx.Where("WorkflowGuid = ? AND NodeOrder > ? AND (RecordStatus & 524288) = 0", workflowGuid, firstNode.NodeOrder).
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Order("NodeOrder ASC").First(nextNode)
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if r.Error == nil && nextNode.NodeType == 2 { // 如果存在下一个节点且是审批节点
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// 解析审批人
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var approverGuid unique.UUID
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if nextNode.ApproverType == 1 { // 指定人
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approverGuid, err = unique.FromString(nextNode.ApproverValue)
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if err != nil {
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tx.Rollback()
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return nil, process.FailError(types.InvalidApproverError, err)
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}
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} else {
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// 其他类型的审批人逻辑（角色、部门负责人等）
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// 这里简化处理，实际项目中需要根据不同的审批人类型查询对应的审批人
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tx.Rollback()
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return nil, process.FailError(types.UnsupportedApproverTypeError, errors.New("暂不支持的审批人类型"))
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}
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// 创建审批记录
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approvalRecord := oa.ApprovalRecordInstance()
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approvalRecord.InstanceGuid = instance.RecordGuid
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approvalRecord.NodeGuid = nextNode.RecordGuid
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approvalRecord.ApproverGuid = approverGuid
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approvalRecord.Status = 0 // 待处理
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r = tx.Create(approvalRecord)
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if r.Error != nil {
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tx.Rollback()
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return nil, process.FailError(types.CreateApprovalRecordError, r.Error)
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}
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// 更新实例当前节点
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instance.CurrentNodeID = nextNode.RecordGuid
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r = tx.Save(instance)
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if r.Error != nil {
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tx.Rollback()
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return nil, process.FailError(types.UpdateWorkflowInstanceError, r.Error)
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}
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}
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// 提交事务
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if err := tx.Commit().Error; err != nil {
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return nil, process.FailError(types.TransactionCommitError, err)
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}
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return instance, process.Success(200)
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}
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// QueryWorkflowInstances 查询工作流实例
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func QueryWorkflowInstances(params QueryInstancesRequest) ([]*oa.WorkflowInstanceModel, *process.Process) {
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result := make([]*oa.WorkflowInstanceModel, 0)
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db := dblib.DBIns.DB.Model(&oa.WorkflowInstanceModel{}).Where("(RecordStatus & 524288) = 0")
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// 按工作流ID筛选
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if params.WorkflowGuid != "" {
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workflowGuid, err := unique.FromString(params.WorkflowGuid)
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if err == nil {
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db = db.Where("WorkflowGuid = ?", workflowGuid)
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}
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}
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// 按业务类型筛选
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if params.BusinessType >= 0 {
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db = db.Where("BusinessType = ?", params.BusinessType)
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}
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// 按发起人筛选
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if params.InitiatorGuid != "" {
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initiatorGuid, err := unique.FromString(params.InitiatorGuid)
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if err == nil {
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db = db.Where("InitiatorGuid = ?", initiatorGuid)
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}
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}
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// 按状态筛选
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if params.Status >= 0 {
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db = db.Where("Status = ?", params.Status)
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}
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// 分页查询
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limit := params.Limit
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if limit <= 0 {
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limit = 20 // 默认每页20条
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}
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offset := params.Offset
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if offset < 0 {
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offset = 0
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}
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r := db.Limit(limit).Offset(offset).Order("CreateTime DESC").Find(&result)
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if r.Error != nil {
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return result, process.FailError(types.QueryWorkflowInstanceError, r.Error)
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}
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return result, process.Success(200)
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}
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// GetWorkflowInstance 根据ID获取工作流实例
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func GetWorkflowInstance(instanceGuid string) (*oa.WorkflowInstanceModel, *process.Process) {
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guid, err := unique.FromString(instanceGuid)
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if err != nil {
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return nil, process.FailError(types.InvalidWorkflowInstanceParamError, err)
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}
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instance := &oa.WorkflowInstanceModel{}
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r := dblib.DBIns.DB.Where("RecordGuid = ? AND (RecordStatus & 524288) = 0", guid).First(instance)
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if r.Error != nil {
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return nil, process.FailError(types.WorkflowInstanceNotFoundError, r.Error)
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}
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return instance, process.Success(200)
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}
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// CancelWorkflowInstance 取消工作流实例
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func CancelWorkflowInstance(instanceGuid string) *process.Process {
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// 获取工作流实例
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instance, proc := GetWorkflowInstance(instanceGuid)
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if proc.IsError() {
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return proc
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}
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// 只有进行中的工作流才能取消
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if instance.Status != 0 {
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return process.FailError(types.InvalidWorkflowStatusError, errors.New("只有进行中的工作流才能取消"))
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}
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// 更新状态为已取消
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instance.Status = 3 // 已取消
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instance.CompletionTime = time.Now()
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// 保存更新
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r := dblib.DBIns.DB.Save(instance)
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if r.Error != nil {
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return process.FailError(types.UpdateWorkflowInstanceError, r.Error)
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}
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return process.Success(200)
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}
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