Add JSON read from file

nHashApp · Mar 18, 2023 · 8f8aeea · 8f8aeea
1 parent ab369ba
commit 8f8aeea
Showing 1 changed file with 31 additions and 5 deletions.
diff --git a/src/nHash/SubFeatures/Texts/JsonFeature.cs b/src/nHash/SubFeatures/Texts/JsonFeature.cs
@@ -7,11 +7,13 @@ public class JsonFeature: IFeature
 {
     private readonly Argument<string> _textArgument;
     private readonly Option<JsonPrintType> _printType;
+    private readonly Option<string> _fileName;
 
     public JsonFeature()
     {
-        _textArgument = new Argument<string>("text", "JSON text for processing");
+        _textArgument = new Argument<string>("text",() => string.Empty, "JSON text for processing");
         _printType = new Option<JsonPrintType>("--print", "Print pretty/Compact JSON representation");
+        _fileName = new Option<string>(name: "--file", description: "File name for read JSON from that");
     }
 
     public Command Command => GetFeatureCommand();
@@ -20,20 +22,44 @@ private Command GetFeatureCommand()
     {
         var command = new Command("json", "JSON tools")
         {
-            _printType
+            _printType,
+            _fileName
         };
         command.AddArgument(_textArgument);
-        command.SetHandler(CalculateText, _textArgument, _printType);
+        command.SetHandler(CalculateText, _textArgument, _printType, _fileName);
 
         return command;
     }
 
-    private static void CalculateText(string text, JsonPrintType printType)
+    private static void CalculateText(string text, JsonPrintType printType, string fileName)
+    {
+        if (!string.IsNullOrWhiteSpace(text))
+        {
+            var jsonText = CalculateJsonText(text, printType);
+            Console.WriteLine(jsonText);
+            return;
+        }
+
+        if (!string.IsNullOrWhiteSpace(fileName))
+        {
+            if (!File.Exists(fileName))
+            {
+                Console.WriteLine($"File {fileName} does not exists!");
+                return;
+            }
+
+            var fileContent = File.ReadAllText(fileName);
+            var jsonText = CalculateJsonText(fileContent, printType);
+            Console.WriteLine(jsonText);
+        }
+    }
+
+    private static string CalculateJsonText(string text, JsonPrintType printType)
     {
         var prettyJson = new JsonTools();
         var jsonText = printType == JsonPrintType.Pretty
             ? prettyJson.SetBeautiful(text)
             : prettyJson.SetCompact(text);
-        Console.WriteLine(jsonText);
+        return jsonText;
     }
 }