Various utility functions

Author: apaxson

utils.py

@@ -0,0 +1,36 @@
+class Utils:
+    def sgToBrix(sg):
+        #TODO
+        pass
+
+    def brixToSg(brix):
+        sg = (brix / (258.6 - ((brix/258.2) * 227.1))) + 1
+        return sg
+
+    def abvCalc(startBrix=None,endBrix=None,startSG=None,endSG=None):
+        #TODO
+        pass
+
+    def dilution(startConcentration=None, startVolume=None, endConcentration=None, endVolume=None):
+        # Check if we have the proper variables to solve for
+        varCount = 0
+        if startConcentration: varCount +=1
+        if endConcentration: varCount +=1
+        if startVolume: varCount +=1
+        if endVolume: varCount +=1
+        if varCount != 3:
+            #TODO Raise Exception
+            print("Wrong var count")
+            return None
+        if not startConcentration:
+            startConcentration = (endConcentration * endVolume) / startVolume
+            return startConcentration
+        if not endConcentration:
+            endConcentration = (startConcentration * startVolume) / endVolume
+            return endConcentration
+        if not startVolume:
+            startVolume = (endConcentration * endVolume) / startConcentration
+            return startVolume
+        if not endVolume:
+            endVolume = (startConcentration * startVolume) / endConcentration
+            return endVolume