添加通知管理功能

backend/src/main/java/com/qqchen/deploy/backend/workflow/dto/WorkflowHistoricalInstancesDTO.java

@@ -1,5 +1,6 @@
 package com.qqchen.deploy.backend.workflow.dto;
 
+import com.qqchen.deploy.backend.workflow.dto.definition.workflow.WorkflowDefinitionGraph;
 import com.qqchen.deploy.backend.workflow.enums.WorkflowInstanceStatusEnums;
 import lombok.Data;
 
@@ -9,6 +10,14 @@ import java.util.List;
 @Data
 public class WorkflowHistoricalInstancesDTO extends WorkflowInstanceDTO {
 
+    /**
+     * 节点执行阶段列表
+     */
     private List<WorkflowNodeInstanceDTO> stages;
     
+    /**
+     * 流程图数据（画布快照）
+     */
+    private WorkflowDefinitionGraph graph;
+
 }

backend/src/main/java/com/qqchen/deploy/backend/workflow/entity/WorkflowInstance.java

@@ -1,6 +1,8 @@
 package com.qqchen.deploy.backend.workflow.entity;
 
 import com.qqchen.deploy.backend.framework.domain.Entity;
+import com.qqchen.deploy.backend.workflow.dto.definition.workflow.WorkflowDefinitionGraph;
+import com.qqchen.deploy.backend.workflow.entity.converter.WorkflowGraphType;
 import com.qqchen.deploy.backend.workflow.enums.WorkflowInstanceStatusEnums;
 import jakarta.persistence.Column;
 import jakarta.persistence.EnumType;
@@ -8,6 +10,7 @@ import jakarta.persistence.Enumerated;
 import jakarta.persistence.Table;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
+import org.hibernate.annotations.Type;
 
 import java.time.LocalDateTime;
 
@@ -54,6 +57,13 @@ public class WorkflowInstance extends Entity<Long> {
     @Column(columnDefinition = "TEXT")
     private String variables;
     
+    /**
+     * 流程图数据快照（启动时保存，用于画布还原）
+     */
+    @Type(WorkflowGraphType.class)
+    @Column(name = "graph_snapshot", columnDefinition = "json")
+    private WorkflowDefinitionGraph graphSnapshot;
+    
     /**
      * 开始时间
      */

backend/src/main/java/com/qqchen/deploy/backend/workflow/service/impl/WorkflowInstanceServiceImpl.java

@@ -78,14 +78,24 @@ public class WorkflowInstanceServiceImpl extends BaseServiceImpl<WorkflowInstanc
 
     @Override
     public WorkflowInstanceDTO createWorkflowInstance(Long workflowDefinitionId, String businessKey, ProcessInstance processInstance) {
+        // 1. 查询流程定义，获取 graph 快照
+        WorkflowDefinition definition = workflowDefinitionRepository.findById(workflowDefinitionId)
+            .orElseThrow(() -> new RuntimeException("Workflow definition not found: " + workflowDefinitionId));
+        
+        // 2. 创建实例并保存 graph 快照
         WorkflowInstance workflowInstance = new WorkflowInstance();
         workflowInstance.setProcessInstanceId(processInstance.getId());
         workflowInstance.setProcessDefinitionId(processInstance.getProcessDefinitionId());
         workflowInstance.setWorkflowDefinitionId(workflowDefinitionId);
         workflowInstance.setBusinessKey(businessKey);
+        workflowInstance.setGraphSnapshot(definition.getGraph());  // ✅ 保存画布数据快照
         workflowInstance.setStatus(WorkflowInstanceStatusEnums.NOT_STARTED);
         workflowInstance.setStartTime(LocalDateTime.now());
         workflowInstanceRepository.save(workflowInstance);
+        
+        log.info("创建工作流实例: instanceId={}, definitionId={}, graph已保存", 
+            workflowInstance.getId(), workflowDefinitionId);
+        
         // 3. 返回创建结果
         return workflowInstanceConverter.toDto(workflowInstance);
     }
@@ -217,6 +227,10 @@ public class WorkflowInstanceServiceImpl extends BaseServiceImpl<WorkflowInstanc
         List<WorkflowHistoricalInstancesDTO> result = new ArrayList<>();
         workflowInstances.getContent().stream().map(workflowInstance -> {
             WorkflowHistoricalInstancesDTO workflowHistoricalInstancesDTO = workflowInstanceConverter.toWorkflowHistoricalInstancesDTO(workflowInstance);
+            
+            // ✅ 设置画布数据快照（从实例中读取，无需查询定义）
+            workflowHistoricalInstancesDTO.setGraph(workflowInstance.getGraphSnapshot());
+            
             BpmnModel bpmnModel = repositoryService.getBpmnModel(workflowInstance.getProcessDefinitionId());
             Process process = bpmnModel.getMainProcess();
             //排序

backend/src/main/resources/db/changelog/changes/v1.0.0-data.sql

@@ -202,11 +202,11 @@ INSERT INTO workflow_definition (
     -- 基础信息
     name, `key`, process_definition_id, flow_version, description, category, triggers,
     -- 流程配置
-    graph, local_variables_schema, tags,
+    graph, tags,
     -- 流程属性
-    status, is_executable, target_namespace,
+    status,
     -- 审计字段
-    created_at, updated_at, created_by, updated_by, is_deleted
+    create_time, update_time, create_by, update_by, deleted, version
 ) VALUES
 -- 简单脚本流程：开始 -> 脚本任务 -> 结束
 (
@@ -371,10 +371,9 @@ INSERT INTO workflow_definition (
     "properties" : null
   } ]
 }',
-    '{"formItems":[]}',
     '["simple","script","test"]',
-    'DRAFT', TRUE, 'http://www.flowable.org/test',
+    'DRAFT',
-    NOW(), NOW(), 1, 1, FALSE
+    NOW(), NOW(), NULL, NULL, 0, 0
 ),
 
 -- 复杂业务流程：开始 -> 脚本任务A -> 脚本任务B -> 结束
@@ -603,10 +602,9 @@ INSERT INTO workflow_definition (
     "properties" : null
   } ]
 }',
-    '{"formItems":[{"type":"input","label":"业务参数","name":"businessParam","required":true}]}',
     '["complex","business","multi-task"]',
-    'DRAFT', TRUE, 'http://www.flowable.org/test',
+    'DRAFT',
-    NOW(), NOW(), 1, 1, FALSE
+    NOW(), NOW(), NULL, NULL, 0, 0
 );
 
 

backend/src/main/resources/db/changelog/changes/v1.0.0-schema.sql

@@ -389,20 +389,18 @@ CREATE TABLE workflow_definition
 	-- 流程配置
 	bpmn_xml               TEXT COMMENT 'BPMN XML内容',
 	graph                  JSON COMMENT '流程图数据，包含节点和连线的位置、样式等信息',
-	local_variables_schema JSON COMMENT '节点变量Schema',
 	tags                   JSON COMMENT '流程标签',
 
 	-- 流程属性
 	status                 VARCHAR(50)  NOT NULL COMMENT '流程状态（DRAFT-草稿、PUBLISHED-已发布、DISABLED-已禁用）',
-	is_executable          BOOLEAN      NOT NULL DEFAULT TRUE COMMENT '是否可执行',
-	target_namespace       VARCHAR(255)          DEFAULT 'http://www.flowable.org/test' COMMENT '目标命名空间',
 
 	-- 审计字段
-	created_at             DATETIME(6)  NOT NULL DEFAULT CURRENT_TIMESTAMP(6) COMMENT '创建时间',
+	create_by              VARCHAR(255) NULL COMMENT '创建人',
-	updated_at             DATETIME(6)  NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6) COMMENT '更新时间',
+	create_time            DATETIME(6)  NULL COMMENT '创建时间',
-	created_by             BIGINT COMMENT '创建人',
+	deleted                BIT          NOT NULL DEFAULT 0 COMMENT '是否删除（0：未删除，1：已删除）',
-	updated_by             BIGINT COMMENT '更新人',
+	update_by              VARCHAR(255) NULL COMMENT '更新人',
-	is_deleted             BOOLEAN      NOT NULL DEFAULT FALSE COMMENT '是否删除',
+	update_time            DATETIME(6)  NULL COMMENT '更新时间',
+	version                INT          NOT NULL DEFAULT 0 COMMENT '乐观锁版本号',
 
 	-- 约束
 	UNIQUE KEY uk_key_version (`key`, flow_version)
@@ -454,6 +452,7 @@ CREATE TABLE workflow_instance
 	business_key           VARCHAR(64) NULL COMMENT '业务标识',
 	status                 VARCHAR(100) NOT NULL COMMENT '实例状态',
 	variables              TEXT NULL COMMENT '流程变量(JSON)',
+	graph_snapshot         JSON NULL COMMENT '流程图数据快照（启动时保存，用于画布还原）',
 	start_time             DATETIME(6) NULL COMMENT '开始时间',
 	end_time               DATETIME(6) NULL COMMENT '结束时间'
 

backend/src/main/resources/db/changelog/db.changelog-master.yaml

@@ -27,4 +27,3 @@ databaseChangeLog:
         endDelimiter: ";"
       rollback:
         - empty
-