com.mg.common.metadata.freeMarker.directive.BaseDirective Maven / Gradle / Ivy

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package com.mg.common.metadata.freeMarker.directive;

import com.mg.common.entity.vo.PermissionActionEnum;
import com.mg.common.metadata.util.MetaDataUtils;
import com.mg.framework.entity.metadata.MirrorPropertyEntity;
import freemarker.core.Environment;
import freemarker.template.*;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;

import java.io.IOException;
import java.util.Map;

/**
 * Created by liukefu on 2015/9/30.
 */
public abstract class BaseDirective  implements TemplateDirectiveModel {

    @Override
    public void execute(Environment environment, Map map, TemplateModel[] templateModels, TemplateDirectiveBody templateDirectiveBody) throws TemplateException, IOException {

    }

    public String createLabel(MirrorPropertyEntity mirrorProperty){
        StringBuilder sb = new StringBuilder();
        sb.append("");
        if(!mirrorProperty.getIsNullable()) {
            sb.append("*");
        }
        sb.append(mirrorProperty.getName()).append(":");
        sb.append("");

        return sb.toString();
    }

    public String createField(MirrorPropertyEntity mPropertyEntity){
        StringBuilder sb = new StringBuilder();
        sb.append("");
        switch (mPropertyEntity.getControllerType()){
            case text:
                sb.append("");
                break;
            case number:
                sb.append("");
                break;
            case bool:
                sb.append("");
                break;
            case date:
                sb.append("");
                break;
            case mEnum:
                sb.append("");
                //名称域
                sb.append("");
                break;
        }
        sb.append("");
        return sb.toString();
    }

    public String createViewField(Environment env,MirrorPropertyEntity mPropertyEntity){
        boolean isPermitted = isPermitted(mPropertyEntity, PermissionActionEnum.action_update,getObjectId(env));
        StringBuilder sb = new StringBuilder();
        sb.append("");
        sb.append("  ");
        sb.append(viewFieldValue(env,mPropertyEntity));
        if(isPermitted) {
            sb.append("     ");
        }
        sb.append(" ");

        if(isPermitted){
            sb.append("  ");
            sb.append(createField(mPropertyEntity));
            sb.append("   ");
            sb.append("  ");
            sb.append(" ");
        }
        sb.append("");
        return sb.toString();
    }

    public String viewFieldValue(Environment env,MirrorPropertyEntity mPropertyEntity){
        StringBuilder sb = new StringBuilder();
        if(isPermitted(mPropertyEntity,PermissionActionEnum.action_view,getObjectId(env))) {
            switch (mPropertyEntity.getControllerType()) {
                case text:
                case number:
                case date:
                    sb.append("{{object.").append(mPropertyEntity.getPropertyPath()).append("}}");
                    break;
                case bool:
                    sb.append("{{object.").append(mPropertyEntity.getPropertyPath()).append(" | booleanFilter}}");
                    break;
                case mEnum:
                    sb.append("{{object.").append(mPropertyEntity.getPropertyPath()).append(" | selectFilter:selects.").append(mPropertyEntity.getPropertyPath()).append("}}");
                    break;
                case object:
                    sb.append("{{object.").append(MetaDataUtils.getObjectFieldValue(mPropertyEntity)).append("}}");
                    break;
            }
        }
        return sb.toString();
    }

    protected String getObjectId(Environment environment){
        try {
            TemplateHashModel model = environment.getDataModel();
            return ((SimpleScalar) model.get("id")).getAsString();
        } catch (TemplateModelException e) {
            e.printStackTrace();
            return null;
        }
    }

    public  String getPermissionName(MirrorPropertyEntity mPropertyEntity, PermissionActionEnum action, String id){

        StringBuilder sb = new StringBuilder();
        sb.append(mPropertyEntity.getBelongMObject().getTableName()).append(":")
                .append(mPropertyEntity.getFieldName()).append(":")
                .append(action).append(":").append(id);

        return sb.toString();
    }

    public  boolean isPermitted(MirrorPropertyEntity mPropertyEntity, PermissionActionEnum action, String id){

        if(mPropertyEntity==null){
            return false;
        }
        String permission = getPermissionName(mPropertyEntity,action,id);

        Subject subject = SecurityUtils.getSubject();

        return subject.isPermitted(permission);
    }
}