Add Mandate configuration for session save delays

app/lib/LevelBus.coffee

@@ -28,12 +28,11 @@ module.exports = class LevelBus extends Bus
   constructor: ->
     super(arguments...)
     @changedSessionProperties = {}
-    highLoad = false
+    saveDelay = window.serverConfig?.sessionSaveDelay
     [wait, maxWait] = switch
-      when not application.isProduction() then [1, 5]  # Save quickly in development.
-      when not highLoad then [4, 10]                   # Save slowly when in production.
-      when not me.isAnonymous() then [10, 30]          # Save even more slowly during HoC scaling.
-      else [20, 60]                                    # Save super slowly if anonymous during HoC scaling.
+      when not application.isProduction or not saveDelay then [1, 5]  # Save quickly in development.
+      when me.isAnonymous() then [saveDelay.anonymous.min, saveDelay.anonymous.max]
+      else [saveDelay.registered.min, saveDelay.registered.max]
     @saveSession = _.debounce @reallySaveSession, wait * 1000, {maxWait: maxWait * 1000}
     @playerIsIdle = false
 

app/schemas/models/mandate.schema.coffee

@@ -5,14 +5,39 @@ module.exports = MandateSchema = {
   additionalProperties: false
   default:
     simulationThroughputRatio: 1
-  properties: {
+    sessionSaveDelay:
+      registered: {min: 4, max: 10}
+      anonymous: {min: 5, max: 15}
+      #registered: {min: 10, max: 30}  # High load, like during HoC scaling
+      #anonymous: {min: 20, max: 60}
+  properties:
     simulationThroughputRatio:
       name: 'Simulation Throughput Ratio'
       description: '0-1 fraction of requests for a match to simulate that should be granted.'
       type: 'number'
       minimum: 0
       maximum: 1
-  }
+    sessionSaveDelay:
+      name: 'Session Save Delay'
+      description: 'How often we save level sessions after code changes--min and max wait in seconds.'
+      type: 'object'
+      properties:
+        registered:
+          description: 'How often to save for registered players.'
+          type: 'object'
+          additionalProperties: false
+          requiredProperties: ['min', 'max']
+          properties:
+            min: {type: 'number', minimum: 1, exclusiveMinimum: true, format: 'seconds'}
+            max: {type: 'number', minimum: 5, exclusiveMinimum: true, format: 'seconds'}
+        anonymous:
+          description: 'How often to save for anonymous players.'
+          type: 'object'
+          additionalProperties: false
+          requiredProperties: ['min', 'max']
+          properties:
+            min: {type: 'number', minimum: 1, exclusiveMinimum: true, format: 'seconds'}
+            max: {type: 'number', minimum: 5, exclusiveMinimum: true, format: 'seconds'}
 }
 
 c.extendBasicProperties MandateSchema, 'Mandate'

server_setup.coffee

@@ -17,6 +17,7 @@ auth = require './server/routes/auth'
 routes = require './server/routes'
 UserHandler = require './server/users/user_handler'
 hipchat = require './server/hipchat'
+Mandate = require './server/models/Mandate'
 global.tv4 = require 'tv4' # required for TreemaUtils to work
 global.jsondiffpatch = require 'jsondiffpatch'
 global.stripe = require('stripe')(config.stripe.secretKey)
@@ -58,15 +59,15 @@ setupErrorMiddleware = (app) ->
         err = new errors.UnprocessableEntity(err.response)
       if err.code is 409 and err.response
         err = new errors.Conflict(err.response)
-      
+
       # TODO: Make all errors use this
       if err instanceof errors.NetworkError
         return res.status(err.code).send(err.toJSON())
-      
+
       if err.status and 400 <= err.status < 500
         res.status(err.status).send("Error #{err.status}")
         return
-        
+
       res.status(err.status ? 500).send(error: "Something went wrong!")
       message = "Express error: #{req.method} #{req.path}: #{err.message}"
       log.error "#{message}, stack: #{err.stack}"
@@ -180,17 +181,22 @@ setupFallbackRouteToIndex = (app) ->
       log.error "Error modifying main.html: #{err}" if err
       # insert the user object directly into the html so the application can have it immediately. Sanitize </script>
       user = if req.user then JSON.stringify(UserHandler.formatEntity(req, req.user)).replace(/\//g, '\\/') else '{}'
-      
-      data = data.replace '"serverConfigTag"', JSON.stringify
-        picoCTF: config.picoCTF,
-        production: config.isProduction
-        
-      data = data.replace('"userObjectTag"', user)
-      data = data.replace('"amActuallyTag"', JSON.stringify(req.session.amActually))
-      res.header 'Cache-Control', 'no-cache, no-store, must-revalidate'
-      res.header 'Pragma', 'no-cache'
-      res.header 'Expires', 0
-      res.send 200, data
+
+      Mandate.findOne({}).cache(5 * 60 * 1000).exec (err, mandate) ->
+        if err
+          log.error "Error getting mandate config: #{err}"
+          configData = {}
+        else
+          configData =  _.omit mandate?.toObject() or {}, '_id'
+        configData.picoCTF = config.picoCTF
+        configData.production = config.isProduction
+        data = data.replace '"serverConfigTag"', JSON.stringify configData
+        data = data.replace('"userObjectTag"', user)
+        data = data.replace('"amActuallyTag"', JSON.stringify(req.session.amActually))
+        res.header 'Cache-Control', 'no-cache, no-store, must-revalidate'
+        res.header 'Pragma', 'no-cache'
+        res.header 'Expires', 0
+        res.send 200, data
 
 setupFacebookCrossDomainCommunicationRoute = (app) ->
   app.get '/channel.html', (req, res) ->