anchor.diff:      slot.id = null
       slot.is_reserved = false
       slot.can_modify = false
  +    slot.offered = false
       updateCalendar()
   
   
  
positive.code:   ## the moment when the plan selection changed for the last time, used to trigger changes in the cart
    $scope.planSelectionTime = null
  
    ## array of fullCalendar events. Slots where the user want to book
    $scope.events =
      reserved: []
      modifiable: null
      placable: null
      paid: []
      moved: null
  
    ## total amount of the bill to pay
    $scope.amountTotal = 0
  
    ## total amount of the elements in the cart, without considering any coupon
    $scope.totalNoCoupon = 0
  
    ## Discount coupon to apply to the basket, if any
    $scope.coupon =
        applied: null
  
    ## the moment when the slot selection changed for the last time, used to trigger changes in the cart
    $scope.selectionTime = null
  
negative.code:   ## Global config: message to the end user concerning the subscriptions rules
    $scope.subscriptionExplicationsAlert = settingsPromise.subscription_explications_alert
  
    ## Global config: message to the end user concerning the machine bookings
    $scope.machineExplicationsAlert = settingsPromise.machine_explications_alert
  
  
  