edi.rule.model.JSRuleEdit Maven / Gradle / Ivy

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package edi.rule.model;

import java.util.Map;
import java.util.Map.Entry;
import com.fasterxml.jackson.annotation.JsonAlias;
import com.fasterxml.jackson.annotation.JsonIgnore;
import edi.rule.annotation.JSRuleCheck;
import edi.rule.annotation.JSRuleInject;
import edi.rule.config.JSRuleMessage;
import edi.rule.core.JSRuleArgsVessel;
import edi.rule.core.JSRuleJdbc;
import edi.rule.core.JSRuleMethod;
import edi.rule.util.ZSString;
import edi.rule.work.enums.JSRuleCrudEnum;
import edi.rule.work.custom.JSRuleException;
import edi.rule.work.interfaces.IJSRuleCondition;
import edi.rule.work.interfaces.IJSRuleDmlModel;
import lombok.Data;

/**
 * @author 摩拉克斯
 * @date 2022年1月4日 下午1:42:10
 * 修改数据对象
 */
@Data
public class JSRuleEdit> implements IJSRuleDmlModel,IJSRuleCondition{
	
	/**
	 * 
映射类的类名，别名class，必须存在的属性，用于指定关联要修改的表
	 * */
	@JsonAlias({"class"})
	@JSRuleCheck(required=true)
	public String className;
	/**
	 * 
修改属性集合，必须存在的属性，key为要修改的字段名，value为要修改的字段值，例子："set": {"name": "your value"}
	 * */
	@JSRuleCheck(required=true)
	public Map set;
	/**
	 * 
条件模型
	 * */
	@JSRuleCheck
	public JSRuleConditions condition;
	/**
	 * 
是否允许修改全部数据，默认为false
	 * */
	public Boolean editAll;
	/**
	 * 
是否执行最终形成的sql语句，默认为true，为false时将返回sql语句，子查询或union时使用的仅是其解析后的sql,并不需要真正的执行，因此可将其设置为false以避免多余的计算
	 * */
	public Boolean execute;

	@JSRuleInject
	@JsonIgnore
	private JSRuleArgsVessel vessel;

	@JSRuleInject
	@JsonIgnore
	private JSRuleJdbc jdbc;
	
	public JSRuleEdit() {
		this.editAll = false;
		execute = true;
	}
	
	@Override
	public final Object startCrudModel(A action) {
		dataProcess(getSet(),action);
		StringBuilder builder = new StringBuilder();
		builder.append("update ").append(action.cache.getMappingInfo(getClassName()).tableName).append(" set ");
		for (Entry setEntry:getSet().entrySet()) {
			builder.append(action.cache.getFieldInfo(setEntry.getKey()).tableFieldName).append("='").append(setEntry.getValue()).append("',");
		}
		builder.delete(builder.length()-1,builder.length());
		String conditions = JSRuleMethod.addConditions(getCondition(),action.cache, vessel.getActionArgs());
		if (ZSString.isBlank(conditions)) {
			if (!getEditAll()) {
				throw new JSRuleException(action.cache.name, JSRuleMessage.read("condition.is.required"));
			}
		}else {
			conditions = where+conditions;
		}
		builder.append(conditions);
		String sql = beforeSql(builder.toString(),action);
		vessel.getActionArgs().get(action.cache.name).setSql(sql);
		if (!getExecute()) {
			return sql;
		}
		return jdbc.update(sql);
	}
	/**
	 * 
检查映射类信息以及对应的角色信息是否具有edit操作权限
	 * */
	@Override
	public final void checkCrudPermit(A action) {
		checkCrudPermit(action.name,JSRuleCrudEnum.U, vessel.getGlobalArgs().getRoles());
	}
	/**
	 * 
执行此模型前执行
	 * @param set 待修改的数据集合
	 * */
	protected void dataProcess(Map set,A action) {}
	/**
	 * 修改数据前组装成的sql语句
	 * @param sql 拼装后的sql语句，action 所要执行的动作对象
	 * */
	protected String beforeSql(String sql,A action) {
		return sql;
	}
}