feat(notice): 新增 Flow/DiagramDef 端点——flowGuid 口径后端中转 PNG(SDK diagramUrl 双路径+token 复用),供绑定页/发通知页 Drawer 修复 404 坏链;守卫与绑定读取同口径(CAS 登录即可)
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@@ -23,6 +23,7 @@ import java.util.Map;
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* <li>POST Flow/TrySubmit:提交/重提审核(幂等,bizId=notice.id;apply 失败保持待提交可重推);</li>
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* <li>GET Flow/Trace:审批进度(后端 getInstanceByBiz 组装,前端不直调 oapi——放行判定必须收在后端)。</li>
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* <li>GET Flow/Embed:办件进度嵌入页地址(Drawer iframe 直嵌,可见性与 Trace 同口径)。</li>
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* <li>GET Flow/DiagramDef:流程定义示意图(绑定页/发通知页 Drawer,登录即可读——与 Binding 同口径)。</li>
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* </ul>
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*/
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@RestController
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@@ -32,6 +33,7 @@ public class NoticeFlowController {
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private final NoticeFlowService noticeFlowService;
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private final com.yunhai.notice.service.flow.NoticeFlowEmbedService noticeFlowEmbedService;
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private final com.yunhai.notice.service.flow.FlowClient flowClient;
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/** 审核流程下拉选项(流程中心未启用时返回空列表,前端隐藏选择器) */
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@GetMapping("Options")
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@@ -83,6 +85,21 @@ public class NoticeFlowController {
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return noticeFlowService.diagramImage(serid, user);
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}
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/**
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* 流程定义示意图(PNG 流,绑定页/发通知页 Drawer 同源直嵌 img)。def 口径无办件,
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* 不适用 NoticeFlowGuard 办件守卫——与绑定读取(Binding,登录即可读)同口径:CAS 登录即可,
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* schId 从登录用户推导,本校限定由 flow-center 按 schId+flowGuid 收敛;
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* 绑定已解除/无已发布版时对端报业务错(JSON 信封),前端 img onerror 转提示,不留 500。
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*/
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@GetMapping(value = "DiagramDef", produces = org.springframework.http.MediaType.IMAGE_PNG_VALUE)
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public byte[] diagramDef(@RequestParam("flowGuid") String flowGuid, BoaUser user) {
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if (flowGuid == null || flowGuid.trim().isEmpty()) {
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throw new com.yunhai.platform.apistd.BizException(
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com.yunhai.platform.utils.exception.ErrorCode.PARAM_ERROR, "缺少流程标识");
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}
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return flowClient.diagramImageByFlowGuid(currentSchId(user), flowGuid.trim());
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}
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/**
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* 办件进度嵌入页地址(详情页 Drawer 内 iframe 直嵌 flow-center 统一进度页)。
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* 可见性与 Trace/Diagram 同口径;pageUrl 含短时 token,现取现发不落前端缓存。
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@@ -197,6 +197,37 @@ public class FlowCenterClient implements FlowClient {
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return token.isEmpty() ? null : token;
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}
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@Override
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public byte[] diagramImageByFlowGuid(Integer schId, String flowGuid) {
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requireEnabled();
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String imgUrl;
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if (directoryResolved) {
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FlowModels.DiagramUrlVo dto = com.yunhai.platform.openapi.flow.YschFlowOpenApi.diagramUrl(
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null, flowGuid, null, schId, FlowModels.DiagramUrlVo.class);
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imgUrl = dto == null ? null : dto.getImgUrl();
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} else {
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Map<String, String> query = new HashMap<>();
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query.put("flowGuid", flowGuid);
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query.put("schId", String.valueOf(schId));
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FlowModels.DiagramUrlVo dto =
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openCall.get(target(), "/oapi/flow/diagram/url", query, FlowModels.DiagramUrlVo.class);
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imgUrl = dto == null ? null : dto.getImgUrl();
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}
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String token = tokenOf(imgUrl);
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if (token == null) {
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throw new BizException(ErrorCode.PARAM_ERROR, "流程中心未返回有效的示意图地址");
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}
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Map<String, String> imgQuery = new HashMap<>();
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imgQuery.put("token", token);
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byte[] bytes = directoryResolved
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? com.yunhai.platform.openapi.flow.YschFlowOpenApi.raw().download(DIAGRAM_IMG_PATH, imgQuery)
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: openCall.download(target(), DIAGRAM_IMG_PATH, imgQuery);
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if (bytes == null || bytes.length == 0) {
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throw new BizException(ErrorCode.PARAM_ERROR, "流程示意图为空(流程可能未发布节点)");
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}
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return bytes;
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}
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private TargetSpec target() {
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// base-path 空:本地/容器裸地址直连(两级模型 §2.2 对齐不变式的现行约定)
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return TargetSpec.of(properties.getBaseUrl(), "");
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@@ -33,4 +33,11 @@ public interface FlowClient {
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/** 流程示意图字节(token 换图两步都在本方法内,浏览器只拿同源 PNG,token 不落前端) */
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byte[] diagramImage(Integer schId, Long instanceId);
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/**
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* 流程定义示意图字节(def 口径,绑定页/发通知页 Drawer):按 flowGuid 取最高已发布版出图。
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* 与办件图同一免签 token 通道;本校限定由 flow-center 按 schId+flowGuid 收敛(绑定已解除/
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* 无已发布版 → 业务异常文案,不留 500)。
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*/
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byte[] diagramImageByFlowGuid(Integer schId, String flowGuid);
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}
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