habitica/src/models/group.js

var mongoose = require("mongoose");
var Schema = mongoose.Schema;
var shared = require('habitrpg-shared');
var _ = require('lodash');
var async = require('async');
var User = require('./user').model;

var GroupSchema = new Schema({
  _id: {type: String, 'default': shared.uuid},
  name: String,
  description: String,
  leader: {type: String, ref: 'User'},
  members: [{type: String, ref: 'User'}],
  invites: [{type: String, ref: 'User'}],
  type: {type: String, "enum": ['guild', 'party']},
  privacy: {type: String, "enum": ['private', 'public']},
  //_v: {type: Number,'default': 0},
  chat: Array,
  /*
  #    [{
  #      timestamp: Date
  #      user: String
  #      text: String
  #      contributor: String
  #      uuid: String
  #      id: String
  #    }]
  */

  memberCount: {type: Number, 'default': 0},
  challengeCount: {type: Number, 'default': 0},
  balance: Number,
  logo: String,
  leaderMessage: String,
  challenges: [{type:'String', ref:'Challenge'}], // do we need this? could depend on back-ref instead (Challenge.find({group:GID}))
  quest: {
    key: String,
    active: {type:Boolean, 'default':false},
    progress:{
      hp: Number,
      collect: {type:Schema.Types.Mixed, 'default':{}} // {feather: 5, ingot: 3}
    },

    //Shows boolean for each party-member who has accepted the quest. Eg {UUID: true, UUID: false}. Once all users click
    //'Accept', the quest begins. If a false user waits too long, probably a good sign to prod them or boot them.
    //TODO when booting user, remove from .joined and check again if we can now start the quest
    members: Schema.Types.Mixed
  }
}, {
  strict: 'throw',
  minimize: false // So empty objects are returned
});

/**
 * Derby duplicated stuff. This is a temporary solution, once we're completely off derby we'll run an mongo migration
 * to remove duplicates, then take these fucntions out
 */
function removeDuplicates(doc){
  // Remove duplicate members
  if (doc.members) {
    var uniqMembers = _.uniq(doc.members);
    if (uniqMembers.length != doc.members.length) {
      doc.members = uniqMembers;
    }
  }
}

// FIXME this isn't always triggered, since we sometimes use update() or findByIdAndUpdate()
// @see https://github.com/LearnBoost/mongoose/issues/964
GroupSchema.pre('save', function(next){
  removeDuplicates(this);
  this.memberCount = _.size(this.members);
  this.challengeCount = _.size(this.challenges);
  next();
})

GroupSchema.methods.toJSON = function(){
  var doc = this.toObject();
  removeDuplicates(doc);
  doc._isMember = this._isMember;

  // @see pre('save') comment above
  this.memberCount = _.size(this.members);
  this.challengeCount = _.size(this.challenges);

  return doc;
}

GroupSchema.methods.sendChat = function(message, user){
  var group = this;
  var message = {
    id: shared.uuid(),
    text: message,
    timestamp: +(new Date)
  };
  if (user) {
    _.defaults(message, {
      uuid: user._id,
      contributor: user.contributor && user.contributor.toObject(),
      backer: user.backer && user.backer.toObject(),
      user: user.profile.name,
    });
  } else {
    message.uuid = 'system';
  }
  group.chat.unshift(message);
  group.chat.splice(200);
}

// Participants: Grant rewards & achievements, finish quest
GroupSchema.methods.finishQuest = function(quest, cb) {
  var group = this;

  var questK = quest.key;
  var dropK = quest.drop.key;
  var updates = {$inc:{},$set:{}};

  updates['$inc']['achievements.quests.' + questK] = 1;
  updates['$inc']['stats.gp'] = +quest.drop.gp;
  updates['$inc']['stats.exp'] = +quest.drop.exp;
  updates['$inc']['_v'] = 1;
  updates['$unset'] = {'party.quest.key':undefined};
  updates['$set']['party.quest.collect'] = {};
  updates['$set']['party.quest.completed'] = questK;

  switch (quest.drop.type) {
    case 'gear':
      // TODO This means they can lose their new gear on death, is that what we want?
      updates['$set']['items.gear.owned.'+dropK] = true;
      break;
    case 'eggs':
    case 'food':
    case 'hatchingPotions':
      updates['$inc']['items.'+quest.drop.type+'.'+dropK] = 1;
      break;
    case 'pets':
      updates['$set']['items.pets.'+dropK] = 5;
      break;
    case 'mounts':
      updates['$set']['items.mounts.'+dropK] = true;
      break;
  }
  // FIXME this is TERRIBLE practice. Looks like there are circular dependencies in the models, such that `var User` at
  // this point is undefined. So we get around that by loading from mongoose only once we get to this point
  var members = _.keys(group.quest.members);
  group.quest = {};group.markModified('quest');
  mongoose.models.User.update({_id:{$in:members}}, updates, {multi:true}, cb);
}

GroupSchema.methods.collectQuest = function(user, progress, cb) {
  var group = this,
    quest = shared.content.quests[group.quest.key];

  _.each(progress.collect,function(v,k){
    group.quest.progress.collect[k] += v;
  });

  var foundText = _.reduce(progress.collect, function(m,v,k){
    m.push(v + ' ' + quest.collect[k].text);
    return m;
  }, []);
  foundText = foundText ? foundText.join(', ') : 'nothing';
  group.sendChat("`<" + user.profile.name + "> found "+foundText+".`");
  group.markModified('quest.progress.collect');

  // Still needs completing
  if (_.find(shared.content.quests[group.quest.key].collect, function(v,k){
    return group.quest.progress.collect[k] < v.count;
  })) return group.save(cb);

  async.series([
    function(cb2){
      group.finishQuest(quest,cb2);
    },
    function(cb2){
      group.sendChat('`All items found! Party has received their rewards.`');
      group.save(cb2);
    }
  ],cb);
}

GroupSchema.methods.bossQuest = function(user, progress, cb) {
  var group = this;
  var quest = shared.content.quests[group.quest.key];
  if (!progress) progress = {down:0,up:0}; // FIXME why is this ever happening, progress should be defined at this point
  var down = progress.down * quest.boss.str; // multiply by boss strength

  group.quest.progress.hp -= progress.up;
  group.sendChat("`<" + user.profile.name + "> attacks <" + quest.boss.name + "> for " + (progress.up.toFixed(1)) + " damage, <" + quest.boss.name + "> attacks party for " + (down.toFixed(1)) + " damage.`");
  //var hp = group.quest.progress.hp;

  // Everyone takes damage
  var series = [
    function(cb2){
      mongoose.models.User.update({_id:{$in: _.keys(group.quest.members)}}, {$inc:{'stats.hp':down, _v:1}}, {multi:true}, cb2);
    }
  ]

  // Boss slain, finish quest
  if (group.quest.progress.hp <= 0) {
    group.sendChat('`' + quest.boss.name + ' has been slain! Party has received their rewards.`');
    // Participants: Grant rewards & achievements, finish quest
    series.push(function(cb2){
      group.finishQuest(quest,cb2);
    });
  }

  series.push(function(cb2){group.save(cb2)});
  async.series(series,cb);
  //return hp;
}

module.exports.schema = GroupSchema;
module.exports.model = mongoose.model("Group", GroupSchema);