2022-11-24 11:15:20 +08:00

69 lines
1.7 KiB
JavaScript

// 引入模型
const issueModel = require("../models/issueModel");
/**
* 分页查找问答
*/
module.exports.findIssueByPageDao = async function (queryObj) {
const pageObj = {
currentPage: Number(queryObj.current),
eachPage: Number(queryObj.pageSize),
};
const queryCondition = {};
if (queryObj.issueTitle) {
// 用户要按照书籍标题进行搜索
queryCondition.issueTitle = new RegExp(queryObj.issueTitle, "i");
}
if (queryObj.typeId) {
// 用户要按照分类进行搜索
queryCondition.typeId = queryObj.typeId;
}
if (queryObj.issueStatus != undefined) {
queryCondition.issueStatus = queryObj.issueStatus;
}
pageObj.count = await issueModel.countDocuments(queryCondition); // 数据总条数
pageObj.totalPage = Math.ceil(pageObj.count / pageObj.eachPage); // 总页数
pageObj.data = await issueModel
.find(queryCondition)
.skip((pageObj.currentPage - 1) * pageObj.eachPage) // 设置跳过的数据条数
.sort({ issueDate: -1 })
.limit(pageObj.eachPage); // 查询条数
return pageObj;
};
/**
* 根据 id 获取其中一个问答的详情
*/
module.exports.findIssueByIdDao = async function (id) {
return issueModel.findOne({
_id: id,
});
};
/**
* 新增问答
*/
module.exports.addIssueDao = async function (newIssueInfo) {
console.log(newIssueInfo, "newIssueInfo>>>???");
return await issueModel.create(newIssueInfo);
};
/**
* 根据 id 删除问答
*/
module.exports.deleteIssueDao = async function (id) {
return issueModel.deleteOne({
_id: id,
});
};
/**
* 根据 id 修改问答
*/
module.exports.updateIssueDao = async function (id, newInfo) {
return issueModel.updateOne({ _id: id }, newInfo);
};