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e7c126	1	package com.iailab.module.bpm.service.definition;
H	2
bb2880	3	import cn.hutool.core.collection.CollUtil;
H	4	import cn.hutool.core.util.ArrayUtil;
e7c126	5	import cn.hutool.core.util.StrUtil;
H	6	import com.iailab.framework.common.util.json.JsonUtils;
	7	import com.iailab.framework.common.util.validation.ValidationUtils;
bb2880	8	import com.iailab.module.bpm.controller.admin.definition.vo.model.BpmModelMetaInfoVO;
H	9	import com.iailab.module.bpm.controller.admin.definition.vo.model.BpmModelSaveReqVO;
	10	import com.iailab.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO;
	11	import com.iailab.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelUpdateReqVO;
e7c126	12	import com.iailab.module.bpm.convert.definition.BpmModelConvert;
H	13	import com.iailab.module.bpm.dal.dataobject.definition.BpmFormDO;
	14	import com.iailab.module.bpm.enums.definition.BpmModelFormTypeEnum;
	15	import com.iailab.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateInvoker;
	16	import com.iailab.module.bpm.framework.flowable.core.util.BpmnModelUtils;
	17	import com.iailab.module.bpm.framework.flowable.core.util.FlowableUtils;
bb2880	18	import com.iailab.module.bpm.framework.flowable.core.util.SimpleModelUtils;
e7c126	19	import com.iailab.module.bpm.service.definition.dto.BpmModelMetaInfoRespDTO;
H	20	import lombok.extern.slf4j.Slf4j;
	21	import org.flowable.bpmn.model.BpmnModel;
	22	import org.flowable.bpmn.model.StartEvent;
	23	import org.flowable.bpmn.model.UserTask;
	24	import org.flowable.common.engine.impl.db.SuspensionState;
	25	import org.flowable.engine.RepositoryService;
	26	import org.flowable.engine.repository.Model;
	27	import org.flowable.engine.repository.ModelQuery;
	28	import org.flowable.engine.repository.ProcessDefinition;
	29	import org.springframework.stereotype.Service;
	30	import org.springframework.transaction.annotation.Transactional;
	31	import org.springframework.util.ObjectUtils;
	32	import org.springframework.validation.annotation.Validated;
	33
	34	import javax.annotation.Resource;
	35	import javax.validation.Valid;
	36	import java.util.List;
bb2880	37	import java.util.Map;
e7c126	38	import java.util.Objects;
H	39
	40	import static com.iailab.framework.common.exception.util.ServiceExceptionUtil.exception;
bb2880	41	import static com.iailab.framework.common.util.collection.CollectionUtils.convertMap;
e7c126	42	import static com.iailab.module.bpm.enums.ErrorCodeConstants.*;
H	43
	44	/**
	45	* Flowable流程模型实现
	46	* 主要进行 Flowable {@link Model} 的维护
	47	*
	48	* @author iailab
	49	*/
	50	@Service
	51	@Validated
	52	@Slf4j
	53	public class BpmModelServiceImpl implements BpmModelService {
	54
	55	@Resource
	56	private RepositoryService repositoryService;
	57	@Resource
	58	private BpmProcessDefinitionService processDefinitionService;
	59	@Resource
	60	private BpmFormService bpmFormService;
	61
	62	@Resource
	63	private BpmTaskCandidateInvoker taskCandidateInvoker;
	64
	65	@Override
bb2880	66	public List<Model> getModelList(String name) {
e7c126	67	ModelQuery modelQuery = repositoryService.createModelQuery();
bb2880	68	if (StrUtil.isNotEmpty(name)) {
H	69	modelQuery.modelNameLike(name);
e7c126	70	}
bb2880	71	return modelQuery.list();
e7c126	72	}
H	73
	74	@Override
	75	@Transactional(rollbackFor = Exception.class)
bb2880	76	public String createModel(@Valid BpmModelSaveReqVO createReqVO) {
e7c126	77	if (!ValidationUtils.isXmlNCName(createReqVO.getKey())) {
H	78	throw exception(MODEL_KEY_VALID);
	79	}
bb2880	80	// 1. 校验流程标识已经存在
e7c126	81	Model keyModel = getModelByKey(createReqVO.getKey());
H	82	if (keyModel != null) {
	83	throw exception(MODEL_KEY_EXISTS, createReqVO.getKey());
	84	}
	85
bb2880	86	// 2.1 创建流程定义
H	87	createReqVO.setSort(System.currentTimeMillis()); // 使用当前时间，作为排序
e7c126	88	Model model = repositoryService.newModel();
bb2880	89	BpmModelConvert.INSTANCE.copyToModel(model, createReqVO);
e7c126	90	model.setTenantId(FlowableUtils.getTenantId());
bb2880	91	// 2.2 保存流程定义
e7c126	92	repositoryService.saveModel(model);
H	93	return model.getId();
	94	}
	95
	96	@Override
	97	@Transactional(rollbackFor = Exception.class) // 因为进行多个操作，所以开启事务
bb2880	98	public void updateModel(Long userId, @Valid BpmModelSaveReqVO updateReqVO) {
H	99	// 1. 校验流程模型存在
	100	Model model = validateModelManager(updateReqVO.getId(), userId);
	101
	102	// 修改流程定义
	103	BpmModelConvert.INSTANCE.copyToModel(model, updateReqVO);
	104	// 更新模型
	105	repositoryService.saveModel(model);
	106	}
	107
	108	@Override
	109	@Transactional(rollbackFor = Exception.class)
	110	public void updateModelSortBatch(Long userId, List<String> ids) {
	111	// 1.1 校验流程模型存在
	112	List<Model> models = repositoryService.createModelQuery()
	113	.modelTenantId(FlowableUtils.getTenantId()).list();
	114	models.removeIf(model ->!ids.contains(model.getId()));
	115	if (ids.size() != models.size()) {
	116	throw exception(MODEL_NOT_EXISTS);
	117	}
	118	Map<String, Model> modelMap = convertMap(models, Model::getId);
	119	// 1.2 校验是否为管理员
	120	ids.forEach(id -> validateModelManager(id, userId));
	121
	122	// 保存排序
	123	long sort = System.currentTimeMillis(); // 使用时间戳 - i 作为排序
	124	for (int i = ids.size() - 1; i > 0; i--) {
	125	Model model = modelMap.get(ids.get(i));
	126	// 更新模型
	127	BpmModelMetaInfoVO metaInfo = BpmModelConvert.INSTANCE.parseMetaInfo(model).setSort(sort);
	128	model.setMetaInfo(JsonUtils.toJsonString(metaInfo));
	129	repositoryService.saveModel(model);
	130	// 更新排序
	131	processDefinitionService.updateProcessDefinitionSortByModelId(model.getId(), sort);
	132	sort--;
	133	}
	134	}
	135
	136	private Model validateModelExists(String id) {
	137	Model model = repositoryService.getModel(id);
e7c126	138	if (model == null) {
H	139	throw exception(MODEL_NOT_EXISTS);
	140	}
bb2880	141	return model;
H	142	}
e7c126	143
bb2880	144	/**
H	145	* 校验是否有流程模型的管理权限
	146	*
	147	* @param id 流程模型编号
	148	* @param userId 用户编号
	149	* @return 流程模型
	150	*/
	151	private Model validateModelManager(String id, Long userId) {
	152	Model model = validateModelExists(id);
	153	BpmModelMetaInfoVO metaInfo = BpmModelConvert.INSTANCE.parseMetaInfo(model);
	154	if (metaInfo == null \|\| !CollUtil.contains(metaInfo.getManagerUserIds(), userId)) {
	155	throw exception(MODEL_UPDATE_FAIL_NOT_MANAGER, model.getName());
	156	}
	157	return model;
e7c126	158	}
H	159
	160	@Override
	161	@Transactional(rollbackFor = Exception.class) // 因为进行多个操作，所以开启事务
bb2880	162	public void deployModel(Long userId, String id) {
e7c126	163	// 1.1 校验流程模型存在
bb2880	164	Model model = validateModelManager(id, userId);
e7c126	165	// 1.2 校验流程图
H	166	byte[] bpmnBytes = getModelBpmnXML(model.getId());
	167	validateBpmnXml(bpmnBytes);
	168	// 1.3 校验表单已配
bb2880	169	BpmModelMetaInfoVO metaInfo = BpmModelConvert.INSTANCE.parseMetaInfo(model);
e7c126	170	BpmFormDO form = validateFormConfig(metaInfo);
H	171	// 1.4 校验任务分配规则已配置
	172	taskCandidateInvoker.validateBpmnConfig(bpmnBytes);
bb2880	173	// 1.5 获取仿钉钉流程设计器模型数据
H	174	String simpleJson = getModelSimpleJson(model.getId());
e7c126	175
H	176	// 2.1 创建流程定义
bb2880	177	String definitionId = processDefinitionService.createProcessDefinition(model, metaInfo, bpmnBytes, simpleJson, form);
e7c126	178
H	179	// 2.2 将老的流程定义进行挂起。也就是说，只有最新部署的流程定义，才可以发起任务。
	180	updateProcessDefinitionSuspended(model.getDeploymentId());
	181
	182	// 2.3 更新 model 的 deploymentId，进行关联
	183	ProcessDefinition definition = processDefinitionService.getProcessDefinition(definitionId);
	184	model.setDeploymentId(definition.getDeploymentId());
	185	repositoryService.saveModel(model);
	186	}
	187
	188	private void validateBpmnXml(byte[] bpmnBytes) {
	189	BpmnModel bpmnModel = BpmnModelUtils.getBpmnModel(bpmnBytes);
	190	if (bpmnModel == null) {
	191	throw exception(MODEL_NOT_EXISTS);
	192	}
	193	// 1. 没有 StartEvent
	194	StartEvent startEvent = BpmnModelUtils.getStartEvent(bpmnModel);
	195	if (startEvent == null) {
	196	throw exception(MODEL_DEPLOY_FAIL_BPMN_START_EVENT_NOT_EXISTS);
	197	}
	198	// 2. 校验 UserTask 的 name 都配置了
	199	List<UserTask> userTasks = BpmnModelUtils.getBpmnModelElements(bpmnModel, UserTask.class);
	200	userTasks.forEach(userTask -> {
	201	if (StrUtil.isEmpty(userTask.getName())) {
	202	throw exception(MODEL_DEPLOY_FAIL_BPMN_USER_TASK_NAME_NOT_EXISTS, userTask.getId());
	203	}
	204	});
	205	}
	206
	207	@Override
	208	@Transactional(rollbackFor = Exception.class)
bb2880	209	public void deleteModel(Long userId, String id) {
e7c126	210	// 校验流程模型存在
bb2880	211	Model model = validateModelManager(id, userId);
H	212
e7c126	213	// 执行删除
H	214	repositoryService.deleteModel(id);
	215	// 禁用流程定义
	216	updateProcessDefinitionSuspended(model.getDeploymentId());
	217	}
	218
	219	@Override
bb2880	220	public void updateModelState(Long userId, String id, Integer state) {
e7c126	221	// 1.1 校验流程模型存在
bb2880	222	Model model = validateModelManager(id, userId);
e7c126	223	// 1.2 校验流程定义存在
H	224	ProcessDefinition definition = processDefinitionService.getProcessDefinitionByDeploymentId(model.getDeploymentId());
	225	if (definition == null) {
	226	throw exception(PROCESS_DEFINITION_NOT_EXISTS);
	227	}
	228
	229	// 2. 更新状态
	230	processDefinitionService.updateProcessDefinitionState(definition.getId(), state);
	231	}
	232
	233	@Override
	234	public BpmnModel getBpmnModelByDefinitionId(String processDefinitionId) {
	235	return repositoryService.getBpmnModel(processDefinitionId);
	236	}
	237
bb2880	238	@Override
H	239	public BpmSimpleModelNodeVO getSimpleModel(String modelId) {
	240	Model model = validateModelExists(modelId);
	241	// 通过 ACT_RE_MODEL 表 EDITOR_SOURCE_EXTRA_VALUE_ID_ ，获取仿钉钉快搭模型的 JSON 数据
	242	String json = getModelSimpleJson(model.getId());
	243	return JsonUtils.parseObject(json, BpmSimpleModelNodeVO.class);
	244	}
	245
	246	@Override
	247	public void updateSimpleModel(Long userId, BpmSimpleModelUpdateReqVO reqVO) {
	248	// 1. 校验流程模型存在
	249	Model model = validateModelManager(reqVO.getId(), userId);
	250
	251	// 2.1 JSON 转换成 bpmnModel
	252	BpmnModel bpmnModel = SimpleModelUtils.buildBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModel());
	253	// 2.2 保存 Bpmn XML
	254	updateModelBpmnXml(model.getId(), BpmnModelUtils.getBpmnXml(bpmnModel));
	255	// 2.3 保存 JSON 数据
	256	updateModelSimpleJson(model.getId(), reqVO.getSimpleModel());
	257	}
	258
e7c126	259	/**
H	260	* 校验流程表单已配置
	261	*
	262	* @param metaInfo 流程模型元数据
	263	* @return 表单配置
	264	*/
bb2880	265	private BpmFormDO validateFormConfig(BpmModelMetaInfoVO metaInfo) {
e7c126	266	if (metaInfo == null \|\| metaInfo.getFormType() == null) {
H	267	throw exception(MODEL_DEPLOY_FAIL_FORM_NOT_CONFIG);
	268	}
	269	// 校验表单存在
	270	if (Objects.equals(metaInfo.getFormType(), BpmModelFormTypeEnum.NORMAL.getType())) {
	271	if (metaInfo.getFormId() == null) {
	272	throw exception(MODEL_DEPLOY_FAIL_FORM_NOT_CONFIG);
	273	}
	274	BpmFormDO form = bpmFormService.getForm(metaInfo.getFormId());
	275	if (form == null) {
	276	throw exception(FORM_NOT_EXISTS);
	277	}
	278	return form;
	279	} else {
	280	if (StrUtil.isEmpty(metaInfo.getFormCustomCreatePath()) \|\| StrUtil.isEmpty(metaInfo.getFormCustomViewPath())) {
	281	throw exception(MODEL_DEPLOY_FAIL_FORM_NOT_CONFIG);
	282	}
	283	return null;
	284	}
	285	}
	286
bb2880	287	@Override
H	288	public void updateModelBpmnXml(String id, String bpmnXml) {
e7c126	289	if (StrUtil.isEmpty(bpmnXml)) {
H	290	return;
	291	}
bb2880	292	repositoryService.addModelEditorSource(id, StrUtil.utf8Bytes(bpmnXml));
H	293	}
	294
	295	@SuppressWarnings("JavaExistingMethodCanBeUsed")
	296	private String getModelSimpleJson(String id) {
	297	byte[] bytes = repositoryService.getModelEditorSourceExtra(id);
	298	if (ArrayUtil.isEmpty(bytes)) {
	299	return null;
	300	}
	301	return StrUtil.utf8Str(bytes);
	302	}
	303
	304	private void updateModelSimpleJson(String id, BpmSimpleModelNodeVO node) {
	305	if (node == null) {
	306	return;
	307	}
	308	byte[] bytes = JsonUtils.toJsonByte(node);
	309	repositoryService.addModelEditorSourceExtra(id, bytes);
e7c126	310	}
H	311
	312	/**
	313	* 挂起 deploymentId 对应的流程定义
bb2880	314	* <p>
e7c126	315	* 注意：这里一个 deploymentId 只关联一个流程定义
H	316	*
	317	* @param deploymentId 流程发布Id
	318	*/
	319	private void updateProcessDefinitionSuspended(String deploymentId) {
	320	if (StrUtil.isEmpty(deploymentId)) {
	321	return;
	322	}
	323	ProcessDefinition oldDefinition = processDefinitionService.getProcessDefinitionByDeploymentId(deploymentId);
	324	if (oldDefinition == null) {
	325	return;
	326	}
	327	processDefinitionService.updateProcessDefinitionState(oldDefinition.getId(), SuspensionState.SUSPENDED.getStateCode());
	328	}
	329
	330	private Model getModelByKey(String key) {
bb2880	331	return repositoryService.createModelQuery()
H	332	.modelTenantId(FlowableUtils.getTenantId())
	333	.modelKey(key).singleResult();
e7c126	334	}
H	335
	336	@Override
	337	public Model getModel(String id) {
	338	return repositoryService.getModel(id);
	339	}
	340
	341	@Override
	342	public byte[] getModelBpmnXML(String id) {
	343	return repositoryService.getModelEditorSource(id);
	344	}
	345	}