Add top school counts to analytics dashboard

app/templates/admin/analytics.jade

@@ -57,6 +57,22 @@ block content
     else
       div Loading ...
 
+    h3 School Counts
+    .small Only including schools with #{view.minSchoolCount}+ counts
+    if view.schoolCounts
+      table.table.table-striped.table-condensed
+        tr
+          th
+          th School Name
+          th User Count
+        each val, i in view.schoolCounts
+          tr
+            td= i + 1
+            td= val.schoolName
+            td= val.count
+    else
+      div Loading ...
+
     h1 Active Classes
     table.table.table-striped.table-condensed
       tr

app/views/admin/AnalyticsView.coffee

@@ -12,6 +12,7 @@ module.exports = class AnalyticsView extends RootView
   template: template
   furthestCourseDayRange: 30
   lineColors: ['red', 'blue', 'green', 'purple', 'goldenrod', 'brown', 'darkcyan']
+  minSchoolCount: 20
 
   constructor: (options) ->
     super options
@@ -119,6 +120,18 @@ module.exports = class AnalyticsView extends RootView
         @render?()
     }, 0).load()
 
+    @supermodel.addRequestResource('school_counts', {
+      url: '/db/user/-/school_counts'
+      method: 'POST'
+      data: {minCount: @minSchoolCount}
+      success: (@schoolCounts) =>
+        @schoolCounts?.sort (a, b) ->
+          return -1 if a.count > b.count
+          return 0 if a.count is b.count
+          1
+        @render?()
+    }, 0).load()
+
     @courses = new CocoCollection([], { url: "/db/course", model: Course})
     @courses.comparator = "_id" 
     @listenToOnce @courses, 'sync', @onCoursesSync

server/users/user_handler.coffee

@@ -309,6 +309,7 @@ UserHandler = class UserHandler extends Handler
     return @getByIDs(req, res) if args[1] is 'users'
     return @getNamesByIDs(req, res) if args[1] is 'names'
     return @getPrepaidCodes(req, res) if args[1] is 'prepaid_codes'
+    return @getSchoolCounts(req, res) if args[1] is 'school_counts'
     return @nameToID(req, res, args[0]) if args[1] is 'nameToID'
     return @getLevelSessionsForEmployer(req, res, args[0]) if args[1] is 'level.sessions' and args[2] is 'employer'
     return @getLevelSessions(req, res, args[0]) if args[1] is 'level.sessions'
@@ -464,6 +465,27 @@ UserHandler = class UserHandler extends Handler
     Prepaid.find({}).or(orQuery).exec (err, documents) =>
       @sendSuccess(res, documents)
 
+  getSchoolCounts: (req, res) ->
+    return @sendSuccess(res, []) unless req.user?.isAdmin()
+    minCount = req.body.minCount ? 20
+    query = {$and: [
+        {anonymous: false},
+        {schoolName: {$exists: true}},
+        {schoolName: {$ne: ''}}
+        ]}
+    User.find(query, {schoolName: 1}).exec (err, documents) =>
+      return @sendDatabaseError(res, err) if err
+      schoolCountMap = {}
+      for doc in documents
+        schoolName = doc.get('schoolName')
+        schoolCountMap[schoolName] ?= 0;
+        schoolCountMap[schoolName]++;
+      schoolCounts = []
+      for schoolName, count of schoolCountMap
+        continue unless count >= minCount
+        schoolCounts.push schoolName: schoolName, count: count
+      @sendSuccess(res, schoolCounts)
+
   agreeToCLA: (req, res) ->
     return @sendForbiddenError(res) unless req.user
     doc =