Pausing branchingGroup temporarily for school testing.

app/models/User.coffee

@@ -104,6 +104,7 @@ module.exports = class User extends CocoModel
 
   getBranchingGroup: ->
     return @branchingGroup if @branchingGroup
+    return 'no-practice'  # A/B test paused for school testing
     group = me.get('testGroupNumber') % 4
     @branchingGroup = switch group
       when 0 then 'no-practice'

scripts/mongodb/queries/playtime-breakdown.coffee

@@ -0,0 +1,93 @@
+# Life's too short to write these things in JS, so install cofmon:
+# npm install -g cofmon
+# Then you can paste CoffeeScript into it.
+
+nDays = 1
+dayOffset = 0.3
+now = new Date()
+startDate = new Date(now - 86400 * 1000 * (nDays + dayOffset))
+endDate =   new Date(now - 86400 * 1000 * dayOffset)
+
+users = db.users.find({dateCreated: {$gt: startDate, $lt: endDate}}, {_id: 1, name: 1, testGroupNumber: 1}).toArray()
+goodUsers = []
+for user in users
+  totalPlaytime = 0
+  sessions = db.level.sessions.find({creator: '' + user._id}, {playtime: 1, levelID: 1}).toArray()
+  firstSessions = []
+  for session in sessions when session.playtime
+    totalPlaytime += session.playtime
+    if totalPlaytime > 60 * 60
+      break
+    firstSessions.push session
+  if totalPlaytime < 60 * 60
+    continue
+  goodUsers.push {user: user, playtime: totalPlaytime, sessions: firstSessions}
+
+levelUserCounts = {}
+for user in goodUsers
+  for session in user.sessions
+    levelUserCounts[session.levelID] ?= 0
+    levelUserCounts[session.levelID]++
+
+print "Found #{goodUsers.length} users who played more than an hour out of #{users.length}."
+print "Levels by number of users completing:"
+levelUserCounts
+
+
+"""
+Found 194 users who played more than an hour out of 93952.
+rs0:PRIMARY> levelUserCounts;
+{
+  "dungeons-of-kithgard" : 190,
+  "gems-in-the-deep" : 184,
+  "shadow-guard" : 186,
+  "forgetful-gemsmith" : 189,
+  "kounter-kithwise" : 80,
+  "true-names" : 186,
+  "favorable-odds" : 76,
+  "the-raised-sword" : 181,
+  "haunted-kithmaze" : 181,
+  "descending-further" : 70,
+  "the-second-kithmaze" : 171,
+  "dread-door" : 172,
+  "known-enemy" : 170,
+  "master-of-names" : 160,
+  "lowly-kithmen" : 138,
+  "closing-the-distance" : 137,
+  "tactical-strike" : 48,
+  "the-final-kithmaze" : 108,
+  "the-gauntlet" : 43,
+  "kithgard-gates" : 96,
+  "defense-of-plainswood" : 88,
+  "winding-trail" : 75,
+  "endangered-burl" : 51,
+  "village-guard" : 40,
+  "thornbush-farm" : 33,
+  "back-to-back" : 27,
+  "ogre-encampment" : 22,
+  "woodland-cleaver" : 18,
+  "shield-rush" : 10,
+  "peasant-protection" : 8,
+  "munchkin-swarm" : 10,
+  "munchkin-harvest" : 4,
+  "swift-dagger" : 1,
+  "shrapnel" : 1,
+  "arcane-ally" : 1,
+  "touch-of-death" : 1
+  "bonemender" : 1,
+  "coinucopia" : 6,
+  "copper-meadows" : 3,
+  "drop-the-flag" : 3,
+  "deadly-pursuit" : 2,
+  "rich-forager" : 1,
+  "multiplayer-treasure-grove" : 1,
+
+  "rescue-mission" : 2,
+  "dungeon-arena-tutorial" : 3,
+  "dungeon-arena" : 2,
+  "undefined" : 2,
+  "grab-the-mushroom" : 2,
+  "gold-rush" : 1,
+  "criss-cross" : 1,
+}
+"""