北斗应用技术培训考试管理系统
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240
app/service/Judgment.js
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240
app/service/Judgment.js
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'use strict';
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const Service = require('../core/base_service');
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const { Op } = require('sequelize');
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const moment = require('moment');
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const fileName = "Judgment";
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class JudgmentService extends Service {
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// 管理系统新增判断题
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async addJudgment(form) {
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const { ctx } = this;
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try {
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const result = await ctx.model2.Judgment.bulkCreate(form, { ignoreDuplicates: true });
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return result.length == 0 ? false : result;
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} catch (error) {
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const blockName = fileName + "--" + "addJudgment";
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ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
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return 'error';
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}
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}
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// 管理系统查看判断题
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async showJudgment(uid, body) {
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const { ctx } = this;
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try {
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let { offset, limit, searchOptions, sortOptions } = body;
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offset = (offset - 1) * limit;
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let attributes = ['stem', 'answer', 'difficulty'],
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where = {}, order = [], dbOptions,
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joinSubstring = [],
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substring = ['stem'],
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key = ['answer', 'difficulty'],
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between = [];
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attributes.forEach(element => {
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if (searchOptions[element]) {
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if (searchOptions[element] == '*空') {
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if (joinSubstring.includes(element)) {
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where[element] = null;
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} else {
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where[element] = [null, ''];
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}
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} else if (joinSubstring.includes(element)) {
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let targetKeyArr = [];
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where[element] = targetKeyArr.length > 0 ? targetKeyArr : 'null';
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} else if (substring.includes(element)) {
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where[element] = { [Op.substring]: searchOptions[element] };
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} else if (key.includes(element)) {
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where[element] = searchOptions[element];
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} else if (between.includes(element)) {
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where[element] = { [Op.between]: [searchOptions[element][0], searchOptions[element][1]] };
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}
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}
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if (sortOptions[element] == true) {
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order.push([element, 'ASC']);
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} else if (sortOptions[element] == false) {
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order.push([element, 'DESC']);
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}
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});
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dbOptions = { attributes, offset, limit, where, order };
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const result = await ctx.model2.Judgment.findAndCountAll(dbOptions);
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return result.rows.length == 0 ? false : result;
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} catch (error) {
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const blockName = fileName + "--" + "showJudgment";
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ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
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return 'error';
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}
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}
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// 管理系统编辑判断题
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async editJudgment(uid, modelType, updateMsg, requestMsg) {
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const { ctx } = this;
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try {
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const result = await ctx.model.Manager.findOne({ where: { uid } });
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if (!result || result.dataValues.role < 1) return false;
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let where = {};
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if (modelType == "single") {
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const { stem, answer, difficulty } = requestMsg;
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where = { stem, answer, difficulty };
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} else if (modelType == "multiple") {
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let stem = [], answer = [], difficulty = [];
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for (const key in requestMsg) {
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requestMsg[key].forEach(element => {
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stem.push(element.stem);
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answer.push(element.answer);
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difficulty.push(element.difficulty);
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});
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}
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where = { stem, answer, difficulty };
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}
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const resultList = await ctx.model2.Judgment.update(updateMsg, { where });
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return resultList[0] == 0 ? false : resultList;
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} catch (error) {
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const blockName = fileName + "--" + "editJudgment";
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ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
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return 'error';
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}
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}
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// 管理系统删除判断题
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async deleteJudgment(uid, modelType, password, requestMsg) {
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const { ctx } = this;
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const systemMonitoring = {
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operate: 2,
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operate_msg: '删除用户账号信息',
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type: 0,
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status: 0,
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affect_entries: 0,
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user: uid,
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created_at: new Date()
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};
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try {
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const result = await ctx.model.Manager.findOne({ where: { uid } });
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if (!result || result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt)) || result.dataValues.role < 2) {
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if (!result) systemMonitoring.status = 0;
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else if (result.dataValues.password !== this.shaForm(password, this.decryptRequest(result.dataValues.salt))) systemMonitoring.status = 1;
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else if (result.dataValues.role < 2) systemMonitoring.status = 2;
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await ctx.model.Monitoring.create(systemMonitoring);
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return false;
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};
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let where = {};
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if (modelType == "single") {
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const { stem, answer, difficulty } = requestMsg;
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where = { stem, answer, difficulty };
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} else if (modelType == "multiple") {
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let stem = [], answer = [], difficulty = [];
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for (const key in requestMsg) {
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requestMsg[key].forEach(element => {
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stem.push(element.stem);
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answer.push(element.answer);
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difficulty.push(element.difficulty);
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});
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}
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where = { stem, answer, difficulty };
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}
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const resultList = await ctx.model2.Judgment.destroy({ where });
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systemMonitoring.status = resultList == 0 ? 3 : 4;
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systemMonitoring.affect_entries = resultList;
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await ctx.model.Monitoring.create(systemMonitoring);
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return resultList == 0 ? false : true;
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} catch (error) {
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systemMonitoring.status = 5;
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await ctx.model.Monitoring.create(systemMonitoring);
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const blockName = fileName + "--" + "deleteJudgment";
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ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
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return 'error';
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}
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}
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// 管理系统导出判断题数据
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async downloadJudgmentData(uid, searchMsg) {
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const { ctx } = this;
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try {
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const user = await ctx.model.Manager.findOne({ where: { uid } });
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if (!user || user.dataValues.role < 1) return { code: false };
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let { searchOptions, sortOptions } = searchMsg;
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let attributes = ['stem', 'answer', 'difficulty'],
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where = {}, order = [], dbOptions,
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joinSubstring = [],
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substring = ['stem', 'answer', 'difficulty'],
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key = [],
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between = [];
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attributes.forEach(element => {
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if (searchOptions[element]) {
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if (searchOptions[element] == '*空') {
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if (joinSubstring.includes(element)) {
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where[element] = null;
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} else {
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where[element] = [null, ''];
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}
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} else if (joinSubstring.includes(element)) {
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let targetKeyArr = [];
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where[element] = targetKeyArr.length > 0 ? targetKeyArr : 'null';
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} else if (substring.includes(element)) {
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where[element] = { [Op.substring]: searchOptions[element] };
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} else if (key.includes(element)) {
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where[element] = searchOptions[element];
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} else if (between.includes(element)) {
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where[element] = { [Op.between]: [searchOptions[element][0], searchOptions[element][1]] };
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}
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}
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if (sortOptions[element] == true) {
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order.push([element, 'ASC']);
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} else if (sortOptions[element] == false) {
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order.push([element, 'DESC']);
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}
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});
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dbOptions = { attributes, where, order };
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const result = await ctx.model2.Judgment.findAll(dbOptions);
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if (result.length == 0) return { code: false };
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let data = [];
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const answerOptions = [
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{
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value: "0",
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label: "错误"
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},
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{
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value: "1",
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label: "正确"
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},
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];
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const difficultyOptions = [
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{
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value: "0",
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label: "简单"
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},
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{
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value: "1",
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label: "普通"
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},
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{
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value: "2",
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label: "困难"
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},
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];
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result.forEach(element => {
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answerOptions.forEach((item) => {
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if (item.value == element.dataValues["answer"]) {
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element.dataValues["answer"] = item.label;
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}
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});
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difficultyOptions.forEach((item) => {
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if (item.value == element.dataValues["difficulty"]) {
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element.dataValues["difficulty"] = item.label;
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}
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});
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data.push(element.dataValues);
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});
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return { code: true, data };
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} catch (error) {
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const blockName = fileName + "--" + "downloadJudgmentData";
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ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
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return 'error';
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}
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}
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}
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module.exports = JudgmentService;
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