新增流程版本复制功能

@@ -324,7 +324,7 @@
                   <span v-if="item.code === state.current_enable_version" style="background: #edf9f1; border-color: #46c26f; color: #46c26f; font-size: 10px; padding: 0 5px; border-radius: 3px; margin-left: 8px;">启用中</span>
                   <!-- <span @click="showEditFlowVersion(item.id, item.code, item.note)" style="margin-left: 10px;">
                     <i class="el-icon-edit-outline"></i>
-                  </span> -->
+                  -->
                 </el-dropdown-item>
                 <el-dropdown-item @click.native="addFlowVersion" style="justify-content: center;">
                   <i class="el-icon-circle-plus-outline"></i>新增流程
@@ -364,6 +364,17 @@
                 </el-popconfirm>
                 <el-popconfirm
                   v-if="state.current_enable_version !== state.versionForm.code"
+                  title="是否确认复制该版本流程？"
+                  width="220px"
+                  confirm-button-text="确认"
+                  cancel-button-text="取消"
+                  @confirm="copyFLowVersion">
+                  <template #reference>
+                    <el-button type="warning">复制流程</el-button>
+                  </template>
+                </el-popconfirm>
+                <el-popconfirm
+                  v-if="state.current_enable_version !== state.versionForm.code"
                   title="是否确认删除该版本流程？"
                   width="220px"
                   confirm-button-text="确认"
@@ -768,6 +779,70 @@ export default {
       }
     }
 
+    const copyFLowVersion = async () => { // 复制版本流程
+      let { nodes, edges } = editor.editorState.graph.save();
+
+      // 使用时需要把自定义节点的类型带过去 activity/control
+      nodes.forEach((node: { [x: string]: string; shape: string }) => {
+        if (node.shape === 'control') {
+          node['control'] = node['control']
+        }
+      });
+
+      nodes = nodes.map(
+        ({ data, id, label, shape, x, y, text, desc, img, control }) => ({
+          data,
+          id,
+          label,
+          shape,
+          x,
+          y,
+          text,
+          desc,
+          img,
+          control,
+        }),
+      );
+      edges = edges.map(({ shape, source, sourceAnchor, target, targetAnchor }) => ({
+        shape,
+        source,
+        sourceAnchor,
+        target,
+        targetAnchor,
+      }));
+      // 检查路径有效性
+      const paths = [];
+      findPathsToEndNode(edges, 'start-node', [], paths);
+
+      state.dialogVersionFormVisible = false; // 关闭弹框
+
+      if (paths.length) {
+        const { code, data } = await saveFlowAPI({ form_id: +form_id, flow_id: '', data: JSON.stringify({ nodes, edges }) });
+        if (code) {
+          state.reloadLoading = true; // 打开 loading
+          ElMessage({
+            type: 'success',
+            message: '复制成功',
+          });
+
+          updateFlowId(data); // 更新缓存 flow_id
+          getFlowData(data); // 更新流程图数据
+
+          const flow_version = await flowVersionAPI({ form_id });
+          if (flow_version.code) {
+            state.version_list = flow_version.data; // 更新版本列表
+            state.version_list.forEach((ele) => {
+              if (ele.id === +data) {
+                state.select_flow_version = ele.code; // 选中新增的版本
+              }
+            });
+          }
+        }
+      } else {
+        ElNotification.error('缺少一条从开始节点到结束节点的完整流程！');
+      }
+    }
+
     /**
      * 编辑版本
      */
@@ -1569,6 +1644,7 @@ export default {
       showEditFlowVersion,
       addFlowVersion,
       setFLowVersionEnable,
+      copyFLowVersion,
       editFlowVersion,
       deleteFlowVersion,
       saveFlowVersionNote,