patient_api_extension.js.coffee in hqmf2js-1.4.0

- old
+ new

@@ -52,23 +52,34 @@
 
 hQuery.Encounter::lengthOfStay = (unit) ->
   ivl_ts = this.asIVL_TS()
   ivl_ts.low.difference(ivl_ts.high, unit)
 
+hQuery.Encounter::transferTime = () ->
+  transfer = (@json['transferFrom'] || @json['transferTo'])
+  time = transfer.time if transfer
+  if time
+    hQuery.dateFromUtcSeconds(time)
+  else
+    if @json['transferTo']
+      @endDate()
+    else
+      @startDate()
+
 hQuery.AdministrationTiming::dosesPerDay = () ->
   #figure out the units and value and calculate
   p = this.period()
   switch(p.unit())
     when "h" 
       24/p.value()
     when "d" 
       1/p.value()
 
 
-hQuery.Fulfillment::daysInRange = (dateRange,doesPerDay) ->
+hQuery.Fulfillment::daysInRange = (dateRange,dose, dosesPerDay) ->
   # this will give us the number of days this fullfilment was for
-  totalDays = this.quantityDispensed().value()/doesPerDay
+  totalDays = this.quantityDispensed().value()/dose/dosesPerDay
   totalDays = 0 if isNaN(totalDays)
   endDate = new Date(this.dispenseDate().getTime() + (totalDays*60*60*24*1000)) 
   high = if dateRange && dateRange.high then dateRange.high.asDate() else endDate
   low =  if dateRange && dateRange.low then dateRange.low.asDate() else this.dispenseDate()
   # from the date it was deispensed add the total number of days to 
@@ -92,21 +103,42 @@
   
 # Determin sum the cmd for each fullFillment history based on the 
 # date range
 hQuery.Medication::fulfillmentTotals = (dateRange)->
   dpd = this.administrationTiming().dosesPerDay()
+  dose = this.dose().scalar
   this.fulfillmentHistory().reduce (t, s) -> 
-    t + s.daysInRange(dateRange,dpd)
+    t + s.daysInRange(dateRange,dose,dpd)
   , 0  
-  
+
+# returns cumulativeMedicationDuration in terms of days
 hQuery.Medication::cumulativeMedicationDuration = (dateRange) ->
-  #assuming that the dose is the same across fills and that fills is  stated in individual 
-  #doses not total amount. Will need to flush this out more at a later point in time. 
-  #Considering that liquid meds are probaly dispensed as total volume ex 325ml with a dose of 
-  #say 25ml per dose.  Will definatley need to revisit this.  
-  this.fulfillmentTotals(dateRange) if this.administrationTiming()
+  #assuming that the dose is the same across fills and that fills is  stated in individual
+  #doses not total amount. Will need to flush this out more at a later point in time.
+  #Considering that liquid meds are probaly dispensed as total volume ex 325ml with a dose of
+  #say 25ml per dose.  Will definatley need to revisit this.
+  if this.administrationTiming() && this.dose() && @json['fulfillmentHistory']
+    this.fulfillmentTotals(dateRange)
+  else if this.administrationTiming() && this.allowedAdministrations()
+    # this happens if we have a Medication, Order.
+    cumulativeMedicationDuration = this.allowedAdministrations() / this.administrationTiming().dosesPerDay()
+    # need to do in case of divide by zero error
+    cumulativeMedicationDuration = 0 if isNaN(cumulativeMedicationDuration)
+    cumulativeMedicationDuration
 
+class hQuery.Reference 
+  constructor: (@json) ->
+  referenced_id: -> @json["referenced_id"]
+  referenced_type: -> @json["reference"]
+  type: ->   @json["type"]
 
+
+hQuery.CodedEntry::references = () ->
+  for ref in (@json["references"] || [])
+    new hQuery.Reference(ref)
+
+hQuery.CodedEntry::referencesByType = (type) -> 
+  e for e in @references() when e.type() == type
 
 hQuery.CodedEntry::respondTo = (functionName) ->
   typeof(@[functionName]) == "function"
 
 hQuery.CodedEntryList::isTrue = ->