From 5e724338cc043b5028da31ebc8f7eae0a533b142 Mon Sep 17 00:00:00 2001
From: Thyge Skoedt Steffensen
 <31892312+thygesteffensen@users.noreply.github.com>
Date: Sun, 28 Feb 2021 12:59:49 +0100
Subject: [PATCH] feat: added data uri function

---
 .../ConversionFunctions/DataUriFunction.cs    |  6 ++++
 .../DataUriToBinaryFunction.cs                | 32 +++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriToBinaryFunction.cs

diff --git a/PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriFunction.cs b/PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriFunction.cs
index 1dc8938..3a3675c 100644
--- a/PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriFunction.cs
+++ b/PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriFunction.cs
@@ -1,4 +1,5 @@
 using Parser.ExpressionParser.Functions.Base;
+using Parser.ExpressionParser.Functions.CustomException;
 
 namespace Parser.ExpressionParser.Functions.Implementations.ConversionFunctions
 {
@@ -10,6 +11,11 @@ public DataUriFunction() : base("dataUri")
 
         public override ValueContainer ExecuteFunction(params ValueContainer[] parameters)
         {
+            if (parameters.Length == 0)
+            {
+                throw InvalidTemplateException.BuildInvalidLanguageFunction("SomeActon", "dataUri");
+            }
+            
             return parameters[0].Type() switch
             {
                 ValueContainer.ValueType.String =>
diff --git a/PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriToBinaryFunction.cs b/PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriToBinaryFunction.cs
new file mode 100644
index 0000000..b9ffd7f
--- /dev/null
+++ b/PowerAutomateMockUp/ExpressionParser/Functions/Implementations/ConversionFunctions/DataUriToBinaryFunction.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Linq;
+using System.Text;
+using Parser.ExpressionParser.Functions.Base;
+using Parser.ExpressionParser.Functions.CustomException;
+
+namespace Parser.ExpressionParser.Functions.Implementations.ConversionFunctions
+{
+    public class DataUriToBinaryFunction : Function
+    {
+        public DataUriToBinaryFunction() : base("dataUriToBinary")
+        {
+        }
+
+        public override ValueContainer ExecuteFunction(params ValueContainer[] parameters)
+        {
+            if (parameters.Length == 0)
+            {
+                throw InvalidTemplateException.BuildInvalidLanguageFunction("SomeActon", "dataUriToBinary");
+            }
+
+            return parameters[0].Type() switch
+            {
+                ValueContainer.ValueType.String =>
+                    new ValueContainer(Encoding.UTF8.GetBytes(parameters[0].GetValue<string>())
+                        .Aggregate("", (s, b) => s + Convert.ToString(b, 2).PadLeft(8, '0'))),
+                _ => throw new PowerAutomateMockUpException(
+                    $"Array function can only operate on strings, not {parameters[0].Type()}.")
+            };
+        }
+    }
+}
\ No newline at end of file