More achievement tweaks

* Clients check updated achievements as well as new ones
* Clients do not wait to keep checking
* Update achievement points along with everything else in EarnedAchievement.upsertFor
* Fix various bugs

app/core/application.coffee

@@ -62,7 +62,24 @@ Application = {
     $(document).bind 'keydown', preventBackspace
     preload(COMMON_FILES)
     CocoModel.pollAchievements()
-#    @checkForNewAchievement() # TODO: Enable once thoroughly tested
+    unless me.get('anonymous')
+      # TODO: Remove logging later, once this system has proved stable
+      me.on 'change:earned', (user, newEarned) ->
+        oldEarned = user.previous('earned')
+        if oldEarned.gems isnt newEarned.gems
+          console.log 'Gems changed', oldEarned.gems, '->', newEarned.gems
+        newLevels = _.difference(newEarned.levels, oldEarned.levels)
+        if newLevels.length
+          console.log 'Levels added', newLevels
+        newItems = _.difference(newEarned.items, oldEarned.items)
+        if newItems.length
+          console.log 'Items added', newItems
+        newHeroes = _.difference(newEarned.heroes, oldEarned.heroes)
+        if newHeroes.length
+          console.log 'Heroes added', newHeroes
+      me.on 'change:points', (user, newPoints) ->
+        console.log 'Points changed', user.previous('points'), '->', newPoints
+      @checkForNewAchievement()
     $.i18n.init {
       lng: me.get('preferredLanguage', true)
       fallbackLng: 'en'
@@ -84,12 +101,14 @@ Application = {
       @idleTracker.start()
       
   checkForNewAchievement: ->
-    id = me.get('lastAchievementChecked') or me.id
-    lastAchievementChecked = new Date(parseInt(id.substring(0, 8), 16) * 1000)
-    daysSince = moment.duration(new Date() - lastAchievementChecked).asDays()
+    if me.get('lastAchievementChecked')
+      startFrom = new Date(me.get('lastAchievementChecked'))
+    else
+      startFrom = me.created()
+    
+    daysSince = moment.duration(new Date() - startFrom).asDays()
     if daysSince > 1
-      me.checkForNewAchievement()
-      setTimeout(_.bind(@checkForNewAchievement, @), moment.duration(1, 'minute').asMilliseconds())
+      me.checkForNewAchievement().then => @checkForNewAchievement()
 }
 
 module.exports = Application

app/lib/LocalMongo.coffee

@@ -6,10 +6,10 @@ mapred = (left, right, func) ->
     result or (_.reduce (_.map right, (singleRight) -> func(singleLeft, singleRight)),
       ((intermediate, value) -> intermediate or value), false)), false)
 
-doQuerySelector = (value, operatorObj) ->
-  value = [value] unless _.isArray value # left hand can be an array too
-  for operator, body of operatorObj
-    body = [body] unless _.isArray body # right hand can be an array too
+doQuerySelector = (originalValue, operatorObj) ->
+  value = if _.isArray originalValue then originalValue else [originalValue] # left hand can be an array too
+  for operator, originalBody of operatorObj
+    body = if _.isArray originalBody then originalBody else [originalBody] # right hand can be an array too
     switch operator
       when '$gt' then return false unless mapred value, body, (l, r) -> l > r
       when '$gte' then return false unless mapred value, body, (l, r) -> l >= r
@@ -19,7 +19,9 @@ doQuerySelector = (value, operatorObj) ->
       when '$in' then return false unless _.reduce value, ((result, val) -> result or val in body), false
       when '$nin' then return false if _.reduce value, ((result, val) -> result or val in body), false
       when '$exists' then return false if value[0]? isnt body[0]
-      else return false
+      else 
+        trimmedOperator = _.pick(operatorObj, operator)
+        return false unless _.isObject(originalValue) and matchesQuery(originalValue, trimmedOperator)
   true
 
 matchesQuery = (target, queryObj) ->

app/schemas/models/achievement.coffee

@@ -82,6 +82,7 @@ _.extend AchievementSchema.properties,
   i18n: {type: 'object', format: 'i18n', props: ['name', 'description'], description: 'Help translate this achievement'}
   rewards: c.RewardSchema 'awarded by this achievement'
   hidden: {type: 'boolean', description: 'Hide achievement from user if true'}
+  updated: c.stringDate({ description: 'When the achievement was changed in such a way that earned achievements should get updated.' })
 
 
 _.extend AchievementSchema, # Let's have these on the bottom

app/schemas/models/user.coffee

@@ -344,7 +344,7 @@ _.extend UserSchema.properties,
   schoolName: {type: 'string'}
   role: {type: 'string', enum: ["God", "advisor", "parent", "principal", "student", "superintendent", "teacher", "technology coordinator"]}
   birthday: c.stringDate({title: "Birthday"})
-  lastAchievementChecked: c.objectId({ name: 'Last Achievement Checked' })
+  lastAchievementChecked: c.stringDate({ name: 'Last Achievement Checked' })
 
 c.extendBasicProperties UserSchema, 'user'
 

scripts/mongodb/migrations/2016-08-31-add-achievements-updated.js

@@ -0,0 +1,7 @@
+var d = new Date();
+
+db.achievements.find({}, {_id:1}).sort({_id:1}).forEach(function(achievement) {
+  db.achievements.update({_id: achievement._id}, {$set: {updated: d.toISOString()}})
+  print('set', achievement._id, 'to', d);
+  d.setSeconds(d.getSeconds() + 1)
+});

server/middleware/achievements.coffee

@@ -19,7 +19,12 @@ module.exports =
     unless hasPermission or database.isJustFillingTranslations(req, achievement)
       throw new errors.Forbidden('Must be an admin, artisan or submitting translations to edit an achievement')
 
+    propsWatching = ['query', 'proportionalTo', 'rewards', 'worth']
+    oldCopy = _.pick(achievement.toObject(), propsWatching)
     database.assignBody(req, achievement)
+    newCopy = _.pick(achievement.toObject(), propsWatching)
+    unless _.isEqual(oldCopy, newCopy)
+      achievement.set('updated', new Date().toISOString())
     database.validateDoc(achievement)
     achievement = yield achievement.save()
     res.status(200).send(achievement.toObject({req: req}))

server/middleware/users.coffee

@@ -20,6 +20,7 @@ Achievement = require '../models/Achievement'
 EarnedAchievement = require '../models/EarnedAchievement'
 log = require 'winston'
 LocalMongo = require '../../app/lib/LocalMongo'
+LevelSession = require '../models/LevelSession'
 
 module.exports =
   fetchByGPlusID: wrap (req, res, next) ->
@@ -261,28 +262,27 @@ module.exports =
     
   checkForNewAchievement: wrap (req, res) ->
     user = req.user
+    lastAchievementChecked = user.get('lastAchievementChecked') or user._id.getTimestamp().toISOString()
+    checkTimestamp = new Date().toISOString()
+    achievement = yield Achievement.findOne({ updated: { $gt: lastAchievementChecked }}).sort({updated:1})
     
-    lastAchievementChecked = user.get('lastAchievementChecked') or user._id
-    achievement = yield Achievement.findOne({ _id: { $gt: lastAchievementChecked }}).sort({_id:1})
-
     if not achievement
-      userUpdate = { 'lastAchievementChecked': new mongoose.Types.ObjectId() }
+      userUpdate = { 'lastAchievementChecked': checkTimestamp }
       user.update({$set: userUpdate}).exec()
       return res.send(userUpdate)
 
-    userUpdate = { 'lastAchievementChecked': achievement._id }
+    userUpdate = { 'lastAchievementChecked': achievement.get('updated') }
       
     query = achievement.get('query')
     collection = achievement.get('collection')
     if collection is 'users'
       triggers = [user]
     else if collection is 'level.sessions' and query['level.original']
-      triggers = yield LevelSessions.find({
+      triggers = yield LevelSession.find({
         'level.original': query['level.original']
-        creator: user._id
+        creator: user.id
       })
     else
-      userUpdate = { 'lastAchievementChecked': new mongoose.Types.ObjectId() }
       user.update({$set: userUpdate}).exec()
       return res.send(userUpdate)
       
@@ -292,10 +292,8 @@ module.exports =
       user.update({$set: userUpdate}).exec()
       return res.send(userUpdate)
 
-    earned = yield EarnedAchievement.findOne({ achievement: achievement.id, user: req.user })
-    yield [
-      EarnedAchievement.upsertFor(achievement, trigger, earned, req.user)
-      user.update({$set: userUpdate})
-    ]
+    earned = yield EarnedAchievement.findOne({ achievement: achievement.id, user: req.user.id })
+    yield EarnedAchievement.upsertFor(achievement, trigger, earned, req.user)
+    yield user.update({$set: userUpdate})
     user = yield User.findById(user.id).select({points: 1, earned: 1})
     return res.send(_.assign({}, userUpdate, user.toObject()))

server/models/Achievement.coffee

@@ -33,6 +33,7 @@ AchievementSchema.index(
 AchievementSchema.index({i18nCoverage: 1}, {name: 'translation coverage index', sparse: true})
 AchievementSchema.index({slug: 1}, {name: 'slug index', sparse: true, unique: true})
 AchievementSchema.index({related: 1}, {name: 'related index', sparse: true})
+AchievementSchema.index({updated: 1}, {name: 'updated index'})
 
 AchievementSchema.methods.objectifyQuery = ->
   try
@@ -105,6 +106,8 @@ AchievementSchema.post 'init', (doc) -> doc.objectifyQuery()
 
 AchievementSchema.pre 'save', (next) ->
   @stringifyQuery()
+  if not @get('updated')
+    @set('updated', new Date().toISOString())
   next()
 
 # Reload achievements upon save

server/models/EarnedAchievement.coffee

@@ -3,6 +3,7 @@ jsonschema = require '../../app/schemas/models/earned_achievement'
 util = require '../../app/core/utils'
 log = require 'winston'
 co = require 'co'
+errors = require '../commons/errors'
 
 EarnedAchievementSchema = new mongoose.Schema({
   notified:
@@ -27,15 +28,19 @@ EarnedAchievementSchema.statics.upsertFor = (achievement, trigger, earned, user)
   else if earned
     achievementEarned = achievement.get('rewards')
     actuallyEarned = earned.get('earnedRewards')
-    if not _.isEqual(achievementEarned, actuallyEarned)
-      earned.set('earnedRewards', achievementEarned)
-      yield earned.save()
+    oldPoints = earned.get('earnedPoints') ? 0
+    newPoints = achievement.get('worth') ? 10
+    if (not _.isEqual(achievementEarned, actuallyEarned)) or (oldPoints isnt newPoints)
+        earned.set('earnedRewards', achievementEarned)
+        earned.set('earnedPoints', newPoints)
+        yield earned.save()
+
+    # make sure user has all the levels, heroes, gems, items and points they should have
+    update = {$inc: { points: newPoints - oldPoints }}
 
-    # make sure user has all the levels and items they should have
-    update = {}
     for rewardType, rewards of achievement.get('rewards') ? {}
       if rewardType is 'gems'
-        update.$inc = { 'earned.gems': rewards - (actuallyEarned.gems ? 0) }
+        update.$inc['earned.gems'] = rewards - (actuallyEarned.gems ? 0)
       else if rewards.length
         update.$addToSet ?= {}
         update.$addToSet["earned.#{rewardType}"] = { $each: rewards }

spec/server/functional/achievement.spec.coffee

@@ -109,6 +109,40 @@ describe 'PUT /db/achievement', ->
     expect(res.body.name).toBe('whatev')
     done()
     
+  it 'touches "updated" if query, proportionalTo, worth, or rewards change', utils.wrap (done) ->
+    lastUpdated = @unlockable.get('updated')
+    expect(lastUpdated).toBeDefined()
+    [res, body] = yield request.putAsync {uri: url + '/'+@unlockable.id, json: {
+      name: 'whatev'
+      rewards: @unlockable.get('rewards')
+      query: @unlockable.get('query')
+      proportionalTo: @unlockable.get('proportionalTo')
+    }}
+    achievement = yield Achievement.findById(@unlockable.id)
+    expect(achievement.get('updated')).toBeDefined()
+    expect(achievement.get('updated')).toBe(lastUpdated) # unchanged
+
+    newRewards = _.assign({}, @unlockable.get('rewards'), {gems: 1000})
+    [res, body] = yield request.putAsync {uri: url + '/'+@unlockable.id, json: {rewards: newRewards}}
+    expect(res.body.updated).not.toBe(lastUpdated)
+    lastUpdated = res.body.updated
+    
+    newQuery = _.assign({}, @unlockable.get('query'), {'state.complete': true})
+    [res, body] = yield request.putAsync {uri: url + '/'+@unlockable.id, json: {query: newQuery}}
+    expect(res.body.updated).not.toBe(lastUpdated)
+    lastUpdated = res.body.updated
+
+    newProportionalTo = 'playtime'
+    [res, body] = yield request.putAsync {uri: url + '/'+@unlockable.id, json: {proportionalTo: newProportionalTo}}
+    expect(res.body.updated).not.toBe(lastUpdated)
+    lastUpdated = res.body.updated
+
+    newWorth = 1000
+    [res, body] = yield request.putAsync {uri: url + '/'+@unlockable.id, json: {worth: newWorth}}
+    expect(res.body.updated).not.toBe(lastUpdated)
+    done()
+    
+    
 describe 'GET /db/achievement', ->
   beforeEach addAllAchievements
   
@@ -187,7 +221,7 @@ describe 'POST /db/earned_achievement', ->
     expect(body.achievement).toBe @unlockable.id
     expect(body.user).toBe user.id
     expect(body.notified).toBeFalsy()
-    expect(body.earnedPoints).toBe unlockable.worth
+    expect(body.earnedPoints).toBe @unlockable.get('worth')
     expect(body.achievedAmount).toBeUndefined()
     expect(body.previouslyAchievedAmount).toBeUndefined()
     earnedAchievements = yield EarnedAchievement.find()
@@ -344,7 +378,7 @@ describe 'POST /admin/earned_achievement/recalculate', ->
     expect(earnedAchievements.length).toBe(1)
     
     user = yield User.findById(@admin.id)
-    expect(user.get 'points').toBe unlockable.worth
+    expect(user.get 'points').toBe @unlockable.get('worth')
     done()
 
   it 'can recalculate all achievements', utils.wrap (done) ->
@@ -371,8 +405,8 @@ describe 'POST /admin/earned_achievement/recalculate', ->
     earnedAchievements = yield EarnedAchievement.find({})
     expect(earnedAchievements.length).toBe 3
     user = yield User.findById(@admin.id)
-    expect(user.get 'points').toBe unlockable.worth + 4 * repeatable.worth + (Math.log(.5 * (4 + .5)) + 1) * diminishing.worth
-    expect(user.get('earned').gems).toBe 4 * repeatable.rewards.gems
+    expect(user.get 'points').toBe @unlockable.get('worth') + 4 * @repeatable.get('worth') + (Math.log(.5 * (4 + .5)) + 1) * @diminishing.get('worth')
+    expect(user.get('earned').gems).toBe 4 * @repeatable.get('rewards').gems
     done()
 
   afterEach utils.wrap (done) ->

spec/server/functional/user.spec.coffee

@@ -1039,6 +1039,22 @@ describe 'POST /db/user/:handle/deteacher', ->
 
     
 describe 'POST /db/user/:handle/check-for-new-achievements', ->
+  achievementURL = getURL('/db/achievement')
+  achievementJSON = {
+    collection: 'users'
+    query: {'points': {$gt: 50}}
+    userField: '_id'
+    recalculable: true
+    worth: 75
+    rewards: {
+      gems: 50
+      levels: [new mongoose.Types.ObjectId().toString()]
+    }
+    name: 'Dungeon Arena Started'
+    description: 'Started playing Dungeon Arena.'
+    related: 'a'
+  }
+  
   
   beforeEach utils.wrap (done) ->
     yield utils.clearModels [Achievement, EarnedAchievement, LevelSession, User]
@@ -1055,36 +1071,132 @@ describe 'POST /db/user/:handle/check-for-new-achievements', ->
     earned = yield EarnedAchievement.count()
     expect(earned).toBe(0)
 
-    achievementURL = getURL('/db/achievement')
-    achievementJSON = {
-      collection: 'users'
-      query: {'points': {$gt: 50}}
-      userField: '_id'
-      recalculable: true
-      worth: 75
-      rewards: {
-        gems: 50
-        levels: [new mongoose.Types.ObjectId().toString()]
-      }
-      name: 'Dungeon Arena Started'
-      description: 'Started playing Dungeon Arena.'
-      related: 'a'
-    }
-
     admin = yield utils.initAdmin()
     yield utils.loginUser(admin)
     [res, body] = yield request.postAsync { uri: achievementURL, json: achievementJSON }
-    achievementID = body._id
+    achievementUpdated = res.body.updated
     expect(res.statusCode).toBe(201)
     
     user = yield User.findById(user.id)
-    expect(user.get('rewards')).toBeUndefined()
+    expect(user.get('earned')).toBeUndefined()
     
     yield utils.loginUser(user)
     [res, body] = yield request.postAsync({ url, json })
     expect(body.points).toBe(175)
     earned = yield EarnedAchievement.count()
     expect(earned).toBe(1)
-    expect(body.lastAchievementChecked).toBe(achievementID)
+    expect(body.lastAchievementChecked).toBe(achievementUpdated)
     
     done()
+    
+  it 'updates the user if they already earned the achievement but the rewards changed', utils.wrap (done) ->
+    user = yield utils.initUser({points: 100})
+    yield utils.loginUser(user)
+    url = utils.getURL("/db/user/#{user.id}/check-for-new-achievement")
+    json = true
+    [res, body] = yield request.postAsync({ url, json })
+
+    admin = yield utils.initAdmin()
+    yield utils.loginUser(admin)
+    [res, body] = yield request.postAsync { uri: achievementURL, json: achievementJSON }
+    achievement = yield Achievement.findById(body._id)
+    expect(res.statusCode).toBe(201)
+
+    user = yield User.findById(user.id)
+    expect(user.get('rewards')).toBeUndefined()
+
+    yield utils.loginUser(user)
+    [res, body] = yield request.postAsync({ url, json })
+    expect(res.body.points).toBe(175)
+    expect(res.body.earned.gems).toBe(50)
+
+    achievement.set({
+      updated: new Date().toISOString()
+      rewards: { gems: 100 }
+      worth: 200
+    })
+    yield achievement.save()
+
+    [res, body] = yield request.postAsync({ url, json })
+    expect(res.body.earned.gems).toBe(100)
+    expect(res.body.points).toBe(300)
+    expect(res.statusCode).toBe(200)
+
+    # special case: no worth, should default to 10
+    
+    yield achievement.update({
+      $set: {updated: new Date().toISOString()},
+      $unset: {worth:''}
+    })
+    [res, body] = yield request.postAsync({ url, json })
+    expect(res.body.earned.gems).toBe(100)
+    expect(res.body.points).toBe(110)
+    expect(res.statusCode).toBe(200)
+    done()
+    
+  it 'works for level sessions', utils.wrap (done) ->
+    admin = yield utils.initAdmin()
+    yield utils.loginUser(admin)
+    level = yield utils.makeLevel()
+    achievement = yield utils.makeAchievement({
+      collection: 'level.sessions'
+      userField: 'creator'
+      query: {
+        'level.original': level.get('original').toString()
+        'state': {complete: true}
+      }
+      worth: 100
+      proportionalTo: 'state.difficulty'
+    })
+    levelSession = yield utils.makeLevelSession({state: {complete: true, difficulty:2}}, { creator:admin, level })
+    url = utils.getURL("/db/user/#{admin.id}/check-for-new-achievement")
+    json = true
+    [res, body] = yield request.postAsync({ url, json })
+    expect(body.points).toBe(200)
+    
+    # check idempotency
+    achievement.set('updated', new Date().toISOString())
+    yield achievement.save()
+    [res, body] = yield request.postAsync({ url, json })
+    expect(body.points).toBe(200)
+    admin = yield User.findById(admin.id)
+    done()
+
+  it 'skips achievements which have not been satisfied', utils.wrap (done) ->
+    admin = yield utils.initAdmin()
+    yield utils.loginUser(admin)
+    level = yield utils.makeLevel()
+    achievement = yield utils.makeAchievement({
+      collection: 'level.sessions'
+      userField: 'creator'
+      query: {
+        'level.original': 'does not matter'
+      }
+      worth: 100
+    })
+    expect(admin.get('lastAchievementChecked')).toBeUndefined()
+    url = utils.getURL("/db/user/#{admin.id}/check-for-new-achievement")
+    json = true
+    [res, body] = yield request.postAsync({ url, json })
+    expect(body.points).toBeUndefined()
+    admin = yield User.findById(admin.id)
+    expect(admin.get('lastAchievementChecked')).toBe(achievement.get('updated'))
+    done()
+
+  it 'skips achievements which are not either for the users collection or the level sessions collection with level.original included', utils.wrap (done) ->
+    admin = yield utils.initAdmin()
+    yield utils.loginUser(admin)
+    achievement = yield utils.makeAchievement({
+      collection: 'not.supported'
+      userField: 'creator'
+      query: {}
+      worth: 100
+    })
+    expect(admin.get('lastAchievementChecked')).toBeUndefined()
+    url = utils.getURL("/db/user/#{admin.id}/check-for-new-achievement")
+    json = true
+    [res, body] = yield request.postAsync({ url, json })
+    expect(body.points).toBeUndefined()
+    admin = yield User.findById(admin.id)
+    expect(admin.get('lastAchievementChecked')).toBe(achievement.get('updated'))
+    done()

spec/server/utils.coffee

@@ -4,6 +4,7 @@ co = require 'co'
 Promise = require 'bluebird'
 User = require '../../server/models/User'
 Level = require '../../server/models/Level'
+LevelSession = require '../../server/models/LevelSession'
 Achievement = require '../../server/models/Achievement'
 Campaign = require '../../server/models/Campaign'
 Course = require '../../server/models/Course'
@@ -98,6 +99,38 @@ module.exports = mw =
     request.post { uri: getURL('/db/level'), json: data }, (err, res) ->
       return done(err) if err
       Level.findById(res.body._id).exec done
+      
+  makeLevelSession: Promise.promisify (data, sources, done) ->
+    args = Array.from(arguments)
+    [done, [data, sources]] = [args.pop(), args]
+    
+    data = _.extend({}, {
+      state:
+        complete: false
+        scripts:
+          currentScript: null
+    }, data)
+
+    if sources?.level and not data.level
+      data.level = {
+        original: sources.level.get('original').toString()
+        majorVersion: sources.level.get('version').major
+      }
+      
+    if sources?.creator and not data.creator
+      data.creator = sources.creator.id
+      
+    if data.creator and not data.permissions
+      data.permissions = [
+        { target: data.creator, access: 'owner' }
+        { target: 'public', access: 'write' }
+      ]
+      
+    if not data.codeLanguage
+      data.codeLanguage = 'javascript'
+      
+    session = new LevelSession(data)
+    session.save(done)
 
   makeAchievement: Promise.promisify (data, sources, done) ->
     args = Array.from(arguments)
@@ -106,12 +139,13 @@ module.exports = mw =
     data = _.extend({}, {
       name: _.uniqueId('Achievement ')
     }, data)
-    if sources.related and not data.related
+    if sources?.related and not data.related
       related = sources.related
       data.related = (related.get('original') or related._id).valueOf()
 
     request.post { uri: getURL('/db/achievement'), json: data }, (err, res) ->
       return done(err) if err
+      expect(res.statusCode).toBe(201)
       Achievement.findById(res.body._id).exec done
       
   makeCampaign: Promise.promisify (data, sources, done) ->

test/app/lib/local_mongo.spec.coffee

@@ -9,6 +9,9 @@ describe 'Local Mongo queries', ->
       'worth': 6
       'type': 'unicorn'
       'likes': ['poptarts', 'popsicles', 'popcorn']
+      nested: {
+        str:'ing'
+      }
 
     @fixture2 = this: is: so: 'deep'
 
@@ -24,6 +27,11 @@ describe 'Local Mongo queries', ->
 
   it 'nested match', ->
     expect(LocalMongo.matchesQuery(@fixture2, 'this.is.so': 'deep')).toBeTruthy()
+    expect(LocalMongo.matchesQuery(@fixture2, {this:{is:{so: 'deep'}}})).toBeTruthy()
+    expect(LocalMongo.matchesQuery(@fixture2, {'this.is':{so: 'deep'}})).toBeTruthy()
+    mixedQuery = { nested: {str:'ing'}, worth: {$gt:3} }
+    expect(LocalMongo.matchesQuery(@fixture1, mixedQuery)).toBeTruthy()
+    expect(LocalMongo.matchesQuery(@fixture2, mixedQuery)).toBeFalsy()
 
   it '$gt selector', ->
     expect(LocalMongo.matchesQuery(@fixture1, 'value': '$gt': 8000)).toBeTruthy()