challenge.js
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const mongoose = require("mongoose");
const { Schema } = mongoose;
const GroupSchema = new Schema({
members: { type: [String] },
});
const ChallengeSchema = new Schema({
challengeName: { type: String, required: true },
startDate: { type: Object, required: true },
endDate: { type: Object, required: true },
durationPerSession: { type: String, required: true }, // '1d' means one day per session, '2w' means 2 weeks per session, '3m' means 3 months per session.
goalPerSession: { type: Number, required: true }, // number of problems for one session
groups: { type: [GroupSchema], required: true }, // groups attending challenge, group of only one member supposed to be single
});
ChallengeSchema.statics.findByChallengeName = function (challengeName) {
return this.findOne({ challengeName: challengeName });
};
ChallengeSchema.methods.addNewGroup = function (group) {
this.groups.push(group);
return this.save();
};
ChallengeSchema.methods.removeGroup = function (group_id) {
const idx = this.groups.findIndex((item) => item._id === group_id);
this.groups.splice(idx, 1);
return this.save();
};
ChallengeSchema.methods.getChallengeName = function () {
return this.challengeName;
};
ChallengeSchema.methods.getStartDate = function () {
return this.startDate;
};
ChallengeSchema.methods.getEndDate = function () {
return this.endDate;
};
ChallengeSchema.methods.getDurationPerSession = function () {
return this.durationPerSession;
};
ChallengeSchema.methods.getGoalPerSession = function () {
return this.goalPerSession;
};
ChallengeSchema.methods.getGroups = function () {
return this.groups;
};
ChallengeSchema.methods.serialize = function () {
return this.toJSON();
};
const Challenge = mongoose.model("Challenge", ChallengeSchema);
module.exports = Challenge;