nyx_server/core/admin/Group.js

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var config = require("../config/default-config");
var DBTemplate = require("../db/DBTemplate");
var dbtemplate = new DBTemplate(config.NYX_DB_CONFIG_NAME);
var _ = require("lodash");
var Promise = require("bluebird");


/**
 * group_t 
 *    id    组id(auto)
 *    name  组名称
 *    descr 组描述
 * 
 * group_user_t  用户组关系表
 *   group_id    组id
 *   user_id     用户id
 * group_permission_t  组权限关系表
 *   group_id       组id
 *   permission_id  权限id
 * group_template_t    组模板关系表
 *   group_id       组id
 *   template_id    模板类别id
 * group_project_t     组项目关系表
 *   group_id       组id
 *   project_id     项目id
 * group_chip_t        组碎片关系表
 *   group_id  组id
 *   chip_id   碎片类别id
 * group_chip_ins_t    组碎片实例id
 *   group_id   组id
 *   chip_data_id      碎片实例id     
 */

function isExistGroup(groupName){
    var connection = this.connection ||  dbtemplate;
    var sql = "select Id from group_t where name = ?";
    return connection.query(sql , [groupName]).then(function(result){
        if(result && result.length>0){
            return true;
        }else{
            return false;
        }
    })
}

/**
 * 添加组
 */
function addGroup(name , descr){
    var connection = this.connection ||  dbtemplate;
    return isExistGroup.bind({connection:connection})(name).then(function(result){
        if(result){
            throw new Error("组已经存在");
        }
        var sql = "insert into group_t(name , descr) values(? , ?)";
        return connection.query(sql , [name , descr]);
    })
}

/**
 * 删除组
 * @param groupId 组id
 */
function deleteGroup(groupId){
    var connection = this.connection ||  dbtemplate;
    var sql = "delete from group_t where id= ? ";
    return connection.query(sql , [groupId]);
}

/**
 * 判断一个权限是否存在
 * @param groupId 组id
 * @param permissionId 权限id
 */
function isExistPermission(groupId , permissionIds){
    var connection = this.connection ||  dbtemplate;
    var sql = "select Id from group_permission_t where group_id = ? and promission_id in [?]";
    if(!_.isArray(permissionIds)){
        permissionIds = [permissionIds];
    }
    return connection.query(sql , [groupId , permissionIds.join(",")]).then(function(result){
        if(result && result.length>0){
            return true;
        }else{
            return false;
        }
    })
}

/**
 * 为组添加权限
 * @param groupId 组id
 * @param permissionIds 权限id列表
 */
function setPermiessions(groupId , permissionIds){
    var connection = this.connection ||  dbtemplate;
    var sql = "insert into group_permission_t(group_id , permission_id) values(? , ?)";
    if(_.isArray(permissionIds)){
        permissionIds = [permissionIds];
    }
    return isExistPermission.bind({connection:connection})(groupId , permissionIds).then(function(ret){
        if(ret){ //权限存在
            throw new Error("权限已经存在");
        }
    }).then(function(){
        var allPromise = []
        permissionIds.forEach(function(permissionId){
            var p = connection.query(sql , [groupId , permissionId]);
            allPromise.push(p);
        })
        return Promise.all(allPromise);
    })
}

/**
 * 得到组权限列表
 * @param groupId 组
 */
function getPermissesions(groupId){
    var connection = this.connection ||  dbtemplate;
    var sql = "select * from group_permission_t where group_id = ?"
    return connection.query(sql , [groupId]);
}

/**
 * 判断用户是否存在
 * @param  groupName 组名
 * @param  {Array|String}userName  用户名称
 * @return Promise|boolean
 */
function isExist(groupName , userNames){
    var connection = this.connection ||  dbtemplate;
    if(!_.isArray(userNames)){
        userNames = [userNames];
    }
    return connection.query("select id from group_user_t where group_id=? and user_id in (?)" , [groupName , userNames.join(",")]).then(function(result){
         if(result && result.length>0){
             return true;
         }
         return false;
    });
}

/**
 * 添加组用户
 * @param groupId  组id
 * @param userIds  添加的用户id
 */
function addGroupUser(groupId, userIds) {
    var connection = this.connection ||  dbtemplate;
    if(!_.isArray(userIds)){
        userIds = [];
    }
    var sql = "insert into group_user_t value(group_id,user_id) values(? , ?)"
    return isExist.bind({connection:connection})(groupId, userIds).hten(function (ret) {
        if (ret) {
            throw new Error("用户已经存在");
        }
    }).then(function () {
        return dbtemplate.execute(function (connection) {
            var allpromise = [];
            userIds.forEach(function (userId) {
                var p = connection.query(sql, [groupId, userId]);
                allpromise.push(p);
            })
            return Promise.all(allpromise);
        });
    });
}