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@Slf4j @RestController @RequestMapping("model") public class ModelController {
private final String MODEL_ID = "modelId"; private final String MODEL_NAME = "name"; private final String MODEL_DESCRIPTION = "description"; private final String MODEL_REVISION = "revision";
@Autowired private RepositoryService repositoryService;
@Autowired private ObjectMapper objectMapper;
@PostMapping("/s") public RespData<PageInfo<Model>> modelList(@RequestBody ModelEntityImpl model, Integer pageNum, Integer pageSize) { ModelQuery modelQuery = repositoryService.createModelQuery(); if (StringUtils.isNotBlank(model.getName())) { modelQuery.modelNameLike("%" + model.getName() + "%"); } modelQuery.orderByCreateTime().desc(); List<Model> models = modelQuery.listPage(pageNum - 1, pageSize); PageInfo<Model> pageInfo = PageUtil.toPageInfo(models); return RespData.ok(pageInfo); }
@PostMapping public RespData<String> create(@RequestBody NewModel newModel) {
ObjectNode modelNode = objectMapper.createObjectNode(); modelNode.put(MODEL_NAME, newModel.getName()); modelNode.put(MODEL_DESCRIPTION, newModel.getDesc()); modelNode.put(MODEL_REVISION, "1");
Model model = repositoryService.newModel(); model.setName(newModel.getName()); model.setKey(newModel.getKey()); model.setMetaInfo(modelNode.toString());
repositoryService.saveModel(model); String id = model.getId();
ObjectNode editorNode = objectMapper.createObjectNode(); editorNode.put("id", "canvas"); editorNode.put("resourceId", "canvas"); ObjectNode stencilSetNode = objectMapper.createObjectNode(); stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#"); editorNode.putPOJO("stencilset", stencilSetNode); repositoryService.addModelEditorSource(id, editorNode.toString().getBytes(StandardCharsets.UTF_8)); return RespData.ok(id); }
@PutMapping public RespData<String> update(@RequestBody ModelEntityImpl model) { String id = newModel.getId();
ObjectNode modelNode = objectMapper.createObjectNode(); modelNode.put(MODEL_NAME, newModel.getName()); modelNode.put(MODEL_DESCRIPTION, newModel.getDesc()); modelNode.put(MODEL_REVISION, "1"); ObjectNode editorNode = objectMapper.createObjectNode(); editorNode.put("id", "canvas"); editorNode.put("resourceId", "canvas"); ObjectNode stencilSetNode = objectMapper.createObjectNode(); stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#"); editorNode.putPOJO("stencilset", stencilSetNode); repositoryService.addModelEditorSource(id, editorNode.toString().getBytes(StandardCharsets.UTF_8)); ModelEntityImpl model = new ModelEntityImpl(); model.setId(id); model.setName(newModel.getName()); model.setKey(newModel.getKey()); model.setMetaInfo(modelNode.toString()); repositoryService.saveModel(model); return RespData.ok(model.getId()); }
@GetMapping("/{id}") public RespData<Model> getById(@PathVariable("id") String id) { Model model = repositoryService.createModelQuery().modelId(id).singleResult(); return RespData.ok(model); }
@DeleteMapping("/{id}") public RespData<?> delete(@PathVariable("id") String id) { repositoryService.deleteModel(id); return RespData.sucess().build(); }
@GetMapping(value = "/{modelId}/json") public ObjectNode getEditorJson(@PathVariable String modelId) { ObjectNode modelNode = null;
Model model = repositoryService.getModel(modelId);
if (model != null) { try { if (StringUtils.isNotEmpty(model.getMetaInfo())) { modelNode = (ObjectNode) objectMapper.readTree(model.getMetaInfo()); } else { modelNode = objectMapper.createObjectNode(); modelNode.put(MODEL_NAME, model.getName()); } modelNode.put(MODEL_ID, model.getId()); byte[] modelEditorSource = repositoryService.getModelEditorSource(model.getId()); ObjectNode editorJsonNode = (ObjectNode) objectMapper.readTree(new String(modelEditorSource, StandardCharsets.UTF_8)); modelNode.putPOJO("model", editorJsonNode);
} catch (Exception e) { log.error("Error creating model JSON", e); throw new ActivitiException("Error creating model JSON", e); } } return modelNode; }
@PutMapping(value = "/{modelId}/save") public void saveModel(@PathVariable String modelId, @RequestParam("name") String name, @RequestParam("json_xml") String json_xml, @RequestParam("svg_xml") String svg_xml, @RequestParam("description") String description) { try {
Model model = repositoryService.getModel(modelId);
ObjectNode modelJson = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
modelJson.put(MODEL_NAME, name); modelJson.put(MODEL_DESCRIPTION, description); model.setMetaInfo(modelJson.toString()); model.setName(name);
repositoryService.saveModel(model);
repositoryService.addModelEditorSource(model.getId(), Objects.requireNonNull(json_xml.getBytes(StandardCharsets.UTF_8)));
InputStream svgStream = new ByteArrayInputStream(Objects.requireNonNull(svg_xml.getBytes(StandardCharsets.UTF_8))); TranscoderInput input = new TranscoderInput(svgStream);
PNGTranscoder transcoder = new PNGTranscoder(); ByteArrayOutputStream outStream = new ByteArrayOutputStream(); TranscoderOutput output = new TranscoderOutput(outStream);
transcoder.transcode(input, output); final byte[] result = outStream.toByteArray(); repositoryService.addModelEditorSourceExtra(model.getId(), result); outStream.close();
} catch (Exception e) { log.error("Error saving model", e); throw new ActivitiException("Error saving model", e); } }
@GetMapping("/{modelId}/deployment") public RespData<?> deploy(@PathVariable("modelId") String modelId) {
Model modelData = repositoryService.getModel(modelId);
if (modelData == null) { return RespData.invalid().appendMsg("模型不存在").build(); }
byte[] bytes = repositoryService.getModelEditorSource(modelData.getId());
if (bytes == null) { return RespData.invalid().appendMsg("请先设计流程定义并成功保存,再进行部署").build(); }
JsonNode modelNode = null; try { modelNode = new ObjectMapper().readTree(bytes); BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode); if (model.getProcesses().size() == 0) { return RespData.invalid().appendMsg("流程定义不符要求,请至少设计一条主线流程").build(); } byte[] bpmnBytes = new BpmnXMLConverter().convertToXML(model); String processName = modelData.getName() + ".bpmn20.xml"; Deployment deployment = repositoryService.createDeployment() .name(modelData.getName()) .key(modelData.getKey()) .category(modelData.getCategory()) .addString(processName, new String(bpmnBytes, StandardCharsets.UTF_8)) .deploy(); modelData.setDeploymentId(deployment.getId()); repositoryService.saveModel(modelData); } catch (IOException e) { e.printStackTrace(); } return RespData.sucess().build(); } }
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