session.ctrl.js
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const Participation = require("../../models/participation");
const Session = require("../../models/session");
const Group = require("../../models/group");
const User = require("../../models/user");
const mongoose = require("mongoose");
const {ObjectId} = mongoose.Types;
/* POST /api/session/createproblem/:how
{
sessionId: ObjectId,
groupId: ObjectId,
problemList:[Number],
}
*/
exports.createProblem = async (ctx)=>{
try{
let {sessionId,groupId,problemList} = ctx.request.body;
if(typeof(sessionId)==='string'){
sessionId=new ObjectId(sessionId);
}
if(typeof(groupId)==='string'){
groupId=new ObjectId(groupId);
}
if(typeof(problemList)==='string'){
problemList=JSON.parse(problemList);
}
const participation = await Participation.findOne({sessionId:sessionId,groupId:groupId});
const group = await Group.findById(groupId);
const how=ctx.params.how;
if(how==='self'){
let check = true;
for(let i=0;i<group.members.length;i++){
const user = await User.findById(group.members[i]);
console.log(user);
console.log(typeof(user.solvedBJ_date.solvedBJbyDATE));
let userProblemList = [];
for(let key in user.solvedBJ_date.solvedBJbyDATE){
userProblemList.push(user.solvedBJ_date.solvedBJbyDATE[key]);
}
userProblemList=userProblemList.flat().map(elem=>elem.problem_number);
for(let j=0;j<problemList.length;j++){
if(userProblemList.includes(problemList[j])){
check = false;
break;
}
}
}
if(!check){
ctx.throw('그룹원이 이미 푼 문제는 등록할 수 없습니다.');
return;
}
else{
problemList.map(async problemNum=>await participation.addProblem({problemNum:problemNum,isSolved:false}));
ctx.body=participation.serialize();
}
}
else if(how==='recommend'){
//TODO
}
}
catch(e){
ctx.throw(500,e);
}
};