Files
bd-training-exam-manager/app/service/Exam.js

247 lines
9.8 KiB
JavaScript
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'use strict';
const Service = require('../core/base_service');
const { Op } = require('sequelize');
const moment = require('moment');
const fileName = "Exam";
class ExamService extends Service {
// 管理系统新增考试信息
async addExam(form) {
const { ctx } = this;
try {
const result = await ctx.model.Examination.bulkCreate(form, { ignoreDuplicates: true });
return result.length == 0 ? false : result;
} catch (error) {
const blockName = fileName + "--" + "addExam";
ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
return 'error';
}
}
// 管理系统查看考试信息
async showExam(uid, body) {
const { ctx } = this;
try {
let { offset, limit, searchOptions, sortOptions } = body;
offset = (offset - 1) * limit;
let attributes = ['uid', 'exam_name', 'status', 'application_start', 'application_end', 'exam_start', 'exam_end'],
where = {}, order = [], dbOptions,
joinSubstring = [],
substring = ['uid', 'exam_name'],
key = ['status'],
between = ['application_start', 'application_end', 'exam_start', 'exam_end'];
attributes.forEach(element => {
if (searchOptions[element]) {
if (searchOptions[element] == '*空') {
if (joinSubstring.includes(element)) {
where[element] = null;
} else {
where[element] = [null, ''];
}
} else if (joinSubstring.includes(element)) {
let targetKeyArr = [];
where[element] = targetKeyArr.length > 0 ? targetKeyArr : 'null';
} else if (substring.includes(element)) {
where[element] = { [Op.substring]: searchOptions[element] };
} else if (key.includes(element)) {
where[element] = searchOptions[element];
} else if (between.includes(element)) {
where[element] = { [Op.between]: [searchOptions[element][0], searchOptions[element][1]] };
}
}
if (sortOptions[element] == true) {
order.push([element, 'ASC']);
} else if (sortOptions[element] == false) {
order.push([element, 'DESC']);
}
});
dbOptions = { attributes, offset, limit, where, order };
const result = await ctx.model.Examination.findAndCountAll(dbOptions);
return result.rows.length == 0 ? false : result;
} catch (error) {
const blockName = fileName + "--" + "showExam";
ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
return 'error';
}
}
// 管理系统编辑考试信息
async editExam(uid, modelType, updateMsg, requestMsg) {
const { ctx } = this;
try {
const result = await ctx.model.Manager.findOne({ where: { uid } });
if (!result || result.dataValues.role < 1) return false;
let where = {};
if (modelType == "single") {
const { exam_name, status, application_start, application_end, exam_start, exam_end } = requestMsg;
where = { exam_name, status, application_start, application_end, exam_start, exam_end };
} else if (modelType == "multiple") {
let exam_name = [], status = [], application_start = [], application_end = [], exam_start = [], exam_end = [];
for (const key in requestMsg) {
requestMsg[key].forEach(element => {
exam_name.push(element.exam_name);
status.push(element.status);
application_start.push(element.application_start);
application_end.push(element.application_end);
exam_start.push(element.exam_start);
exam_end.push(element.exam_end);
});
}
where = { exam_name, status, application_start, application_end, exam_start, exam_end };
}
const resultList = await ctx.model.Examination.update(updateMsg, { where });
return resultList[0] == 0 ? false : resultList;
} catch (error) {
const blockName = fileName + "--" + "editExam";
ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
return 'error';
}
}
// 管理系统删除考试信息
async deleteExam(uid, modelType, password, requestMsg) {
const { ctx } = this;
const systemMonitoring = {
operate: 2,
operate_msg: '删除用户账号信息',
type: 0,
status: 0,
affect_entries: 0,
user: uid,
created_at: new Date()
};
try {
const result = await ctx.model.Manager.findOne({ where: { uid } });
if (!result || result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt)) || result.dataValues.role < 2) {
if (!result) systemMonitoring.status = 0;
else if (result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt))) systemMonitoring.status = 1;
else if (result.dataValues.role < 2) systemMonitoring.status = 2;
await ctx.model.Monitoring.create(systemMonitoring);
return false;
};
let where = {};
if (modelType == "single") {
const { exam_name, status, application_start, application_end, exam_start, exam_end } = requestMsg;
where = { exam_name, status, application_start, application_end, exam_start, exam_end };
} else if (modelType == "multiple") {
let exam_name = [], status = [], application_start = [], application_end = [], exam_start = [], exam_end = [];
for (const key in requestMsg) {
requestMsg[key].forEach(element => {
exam_name.push(element.exam_name);
status.push(element.status);
application_start.push(element.application_start);
application_end.push(element.application_end);
exam_start.push(element.exam_start);
exam_end.push(element.exam_end);
});
}
where = { exam_name, status, application_start, application_end, exam_start, exam_end };
}
const resultList = await ctx.model.Examination.destroy({ where });
systemMonitoring.status = resultList == 0 ? 3 : 4;
systemMonitoring.affect_entries = resultList;
await ctx.model.Monitoring.create(systemMonitoring);
return resultList == 0 ? false : true;
} catch (error) {
systemMonitoring.status = 5;
await ctx.model.Monitoring.create(systemMonitoring);
const blockName = fileName + "--" + "deleteExam";
ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
return 'error';
}
}
// 管理系统导出考试信息数据
async downloadExamData(uid, searchMsg) {
const { ctx } = this;
try {
const user = await ctx.model.Manager.findOne({ where: { uid } });
if (!user || user.dataValues.role < 1) return false;
let { searchOptions, sortOptions } = searchMsg;
let attributes = ['uid', 'exam_name', 'status', 'application_start', 'application_end', 'exam_start', 'exam_end'],
where = {}, order = [], dbOptions,
joinSubstring = [],
substring = ['uid', 'exam_name'],
key = ['status'],
between = ['application_start', 'application_end', 'exam_start', 'exam_end'];
attributes.forEach(element => {
if (searchOptions[element]) {
if (searchOptions[element] == '*空') {
if (joinSubstring.includes(element)) {
where[element] = null;
} else {
where[element] = [null, ''];
}
} else if (joinSubstring.includes(element)) {
let targetKeyArr = [];
where[element] = targetKeyArr.length > 0 ? targetKeyArr : 'null';
} else if (substring.includes(element)) {
where[element] = { [Op.substring]: searchOptions[element] };
} else if (key.includes(element)) {
where[element] = searchOptions[element];
} else if (between.includes(element)) {
where[element] = { [Op.between]: [searchOptions[element][0], searchOptions[element][1]] };
}
}
if (sortOptions[element] == true) {
order.push([element, 'ASC']);
} else if (sortOptions[element] == false) {
order.push([element, 'DESC']);
}
});
dbOptions = { attributes, where, order };
const result = await ctx.model.Examination.findAll(dbOptions);
if (result.length == 0) return { code: false };
let data = [];
const statusOptions = [
{
value: "0",
label: "即将进行"
},
{
value: "1",
label: "正在进行"
},
{
value: "2",
label: "已经结束"
},
];
result.forEach(element => {
statusOptions.forEach((item) => {
if (item.value == element.dataValues["status"]) {
element.dataValues["status"] = item.label;
}
});
element.dataValues.application_start = moment
.utc(element.dataValues.application_start)
.add(8, "hours")
.format("YYYY年MM月DD日HH时mm分ss秒");
element.dataValues.application_end = moment
.utc(element.dataValues.application_end)
.add(8, "hours")
.format("YYYY年MM月DD日HH时mm分ss秒");
element.dataValues.exam_start = moment
.utc(element.dataValues.exam_start)
.add(8, "hours")
.format("YYYY年MM月DD日HH时mm分ss秒");
element.dataValues.exam_end = moment
.utc(element.dataValues.exam_end)
.add(8, "hours")
.format("YYYY年MM月DD日HH时mm分ss秒");
data.push(element.dataValues);
});
return { code: true, data };
} catch (error) {
const blockName = fileName + "--" + "downloadExamData";
ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
return 'error';
}
}
}
module.exports = ExamService;