feat: 完善UserTask审批签名

yudao-module-bpm/yudao-module-bpm-api/src/main/java/cn/iocoder/yudao/module/bpm/enums/ErrorCodeConstants.java

@@ -54,6 +54,7 @@ public interface ErrorCodeConstants {
     ErrorCode TASK_TRANSFER_FAIL_USER_REPEAT = new ErrorCode(1_009_005_013, "任务转办失败，转办人和当前审批人为同一人");
     ErrorCode TASK_TRANSFER_FAIL_USER_NOT_EXISTS = new ErrorCode(1_009_005_014, "任务转办失败，转办人不存在");
     ErrorCode TASK_CREATE_FAIL_NO_CANDIDATE_USER = new ErrorCode(1_009_006_003, "操作失败，原因：找不到任务的审批人！");
+    ErrorCode TASK_SIGNATURE_NOT_EXISTS = new ErrorCode(1_009_005_015, "签名不能为空！");
 
     // ========== 动态表单模块 1-009-010-000 ==========
     ErrorCode FORM_NOT_EXISTS = new ErrorCode(1_009_010_000, "动态表单不存在");

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/instance/BpmApprovalDetailRespVO.java

@@ -101,6 +101,9 @@ public class BpmApprovalDetailRespVO {
         @Schema(description = "审批意见", example = "同意")
         private String reason;
 
+        @Schema(description = "签名", example = "http://xxx")
+        private String sign;
+
     }
 
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/task/BpmTaskApproveReqVO.java

@@ -18,6 +18,9 @@ public class BpmTaskApproveReqVO {
     @NotEmpty(message = "审批意见不能为空")
     private String reason;
 
+    @Schema(description = "签名", example = "http://xxx")
+    private String sign;
+
     @Schema(description = "变量实例（动态表单）", requiredMode = Schema.RequiredMode.REQUIRED)
     private Map<String, Object> variables;
 

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/convert/task/BpmProcessInstanceConvert.java

@@ -186,7 +186,8 @@ public interface BpmProcessInstanceConvert {
             return null;
         }
         return BeanUtils.toBean(task, BpmApprovalDetailRespVO.ActivityNodeTask.class)
-                .setStatus(FlowableUtils.getTaskStatus(task)).setReason(FlowableUtils.getTaskReason(task));
+                .setStatus(FlowableUtils.getTaskStatus(task)).setReason(FlowableUtils.getTaskReason(task))
+                .setSign(FlowableUtils.getTaskSign(task));
     }
 
     default Set<Long> parseUserIds(HistoricProcessInstance processInstance,

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/enums/BpmnVariableConstants.java

@@ -59,4 +59,6 @@ public class BpmnVariableConstants {
      */
     public static final String TASK_VARIABLE_REASON = "TASK_REASON";
 
+    public static final String TASK_VARIABLE_SIGN = "TASK_SIGN";
+
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/FlowableUtils.java

@@ -213,6 +213,10 @@ public class FlowableUtils {
         return (String) task.getTaskLocalVariables().get(BpmnVariableConstants.TASK_VARIABLE_REASON);
     }
 
+    public static String getTaskSign(TaskInfo task) {
+        return (String) task.getTaskLocalVariables().get(BpmnVariableConstants.TASK_VARIABLE_SIGN);
+    }
+
     /**
      * 获得任务的表单
      *

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmTaskServiceImpl.java

@@ -482,6 +482,12 @@ public class BpmTaskServiceImpl implements BpmTaskService {
         if (instance == null) {
             throw exception(PROCESS_INSTANCE_NOT_EXISTS);
         }
+        // 1.3 校验签名
+        BpmnModel bpmnModel = modelService.getBpmnModelByDefinitionId(task.getProcessDefinitionId());
+        Boolean signEnable = parseSignEnable(bpmnModel, task.getTaskDefinitionKey());
+        if (signEnable && StrUtil.isEmpty(reqVO.getSign())) {
+            throw exception(TASK_SIGNATURE_NOT_EXISTS);
+        }
 
         // 情况一：被委派的任务，不调用 complete 去完成任务
         if (DelegationState.PENDING.equals(task.getDelegationState())) {
@@ -496,8 +502,11 @@ public class BpmTaskServiceImpl implements BpmTaskService {
         }
 
         // 情况三：审批普通的任务。大多数情况下，都是这样
-        // 2.1 更新 task 状态、原因
+        // 2.1 更新 task 状态、原因、签字
         updateTaskStatusAndReason(task.getId(), BpmTaskStatusEnum.APPROVE.getStatus(), reqVO.getReason());
+        if (signEnable) {
+            taskService.setVariableLocal(task.getId(), BpmnVariableConstants.TASK_VARIABLE_SIGN, reqVO.getSign());
+        }
         // 2.2 添加评论
         taskService.addComment(task.getId(), task.getProcessInstanceId(), BpmCommentTypeEnum.APPROVE.getType(),
                 BpmCommentTypeEnum.APPROVE.formatComment(reqVO.getReason()));