Implement sharing of game

app/controllers/MathSwipeController.coffee

@@ -43,36 +43,23 @@ class MathSwipeController
 
     if hash? and hash isnt ''
       boardValues = []
-      goals = []
-      placements = []
-      ShareGameService.decode boardValues, goals, placements
-      console.log goals
-      gameModel = @createSharedGrid boardValues, length
+      ShareGameService.decode boardValues, goals, solutionPlacements
     else
       length = 3
       inputs = []
       inputLengths = RandomizedFitLength.generate length * length
       @generateInputs inputLengths, inputs, goals
       console.log expression for expression in inputs
       console.log '\n'
-      gameModel = @generateBoard inputs, length, solutionPlacements
+      boardValues = @generateBoard inputs, length, solutionPlacements
 
     @goalContainer = new GoalContainer goals, Colors
-    @board = new Board  gameModel, @gameScene, goals, @symbols,
+    @board = new Board  boardValues, @gameScene, goals, @symbols,
                         @goalContainer, @isMobile().any()?, Cell,
                         Colors, ClickHandler, SolutionService,
                         BoardSolvedService, RunningSum
     ResetButton.bindClick @board
-    # ShareGameService.reloadPageWithHash @board, solutionPlacements
-
-  createSharedGrid: (boardValues, length) ->
-    grid = []
-    index = 0
-    for row in [0...length]
-      grid.push []
-      for col in [0...length]
-        grid[row].push boardValues[index++]
-    grid
+    ShareGameService.reloadPageWithHash @board, solutionPlacements
 
   isMobile: () ->
     Android: () ->

app/services/ShareGameService.coffee

@@ -1,9 +1,6 @@
 $ = require 'jquery'
 SolutionService = require './SolutionService'
 
-# btoa('{"a":"9677*1+8*","b":[135,102],"c":[[2,2,1,1,0],[7,8,9,4]]}');
-# "eyJhIjoiOTY3NyoxKzgqIiwiYiI6WzEzNSwxMDJdLCJjIjpbWzIsMiwxLDEsMF0sWzcsOCw5LDRdXX0="
-
 class ShareGameService
 
   @reloadPageWithHash: (board, solutionPlacements) ->
@@ -22,7 +19,9 @@ class ShareGameService
     btoa(JSON.stringify {b: boardValues, g: goals, p: slnPlacements})
 
   @decode: (boardValues, goals, slnPlacements) ->
-    decoded = JSON.parse atob window.location.hash.substr(1, window.location.hash.length)
+    decoded = JSON.parse atob window.location.hash
+    return false if not decoded?
+    decoded.substr(1, window.location.hash.length)
     length = Math.sqrt decoded.b.length
     index = 0
 
@@ -32,9 +31,14 @@ class ShareGameService
         row.push decoded.b[index++]
       boardValues.push row
 
-    goals = decoded.g
+    for goal in decoded.g
+      goals.push goal
 
-    console.log decoded.p
+    for placement in [0...decoded.p.length]
+      expression = []
+      for coord in [0...decoded.p[placement].length]
+        expression.push [(Math.floor decoded.p[placement][coord] / length), (decoded.p[placement][coord] % length)]
+      slnPlacements.push expression
 
   @checkSolutionPlacements: (board, solutionPlacements) ->
     @tempBoard = {}