FixFwData now does real work

backend/FixFwData/FixFwData.csproj

@@ -7,10 +7,9 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <Target Name="CreateExe" AfterTargets="Build" Condition="Exists('$(OutputPath)/FixFwData') And !Exists('$(OutputPath)/FixFwData.exe')">
-    <Message Text="Creating FixFwData.exe in $(OutputPath) on Linux since FLExBridge requires the .exe extension" />
-    <Exec Command="ln FixFwData FixFwData.exe"
-          WorkingDirectory="$(OutputPath)" />
-  </Target>
-
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.1" />
+    <PackageReference Include="SIL.LCModel.FixData" Version="11.0.0-beta0109" />
+  </ItemGroup>
 </Project>

backend/FixFwData/Program.cs

@@ -1,2 +1,69 @@
-bool doNothing; // Basic FixFwData program that does nothing
-doNothing = true;
+// Copyright (c) 2011-2024 SIL International
+// This software is licensed under the LGPL, version 2.1 or later
+// (http://www.gnu.org/licenses/lgpl-2.1.html)
+
+using System.ComponentModel;
+using Microsoft.Extensions.Logging;
+using SIL.LCModel.FixData;
+using SIL.LCModel.Utils;
+
+namespace FixFwData;
+
+internal class Program
+{
+    private static int Main(string[] args)
+    {
+        using var loggerFactory = LoggerFactory.Create(builder => builder.AddConsole());
+        logger = loggerFactory.CreateLogger("FixFwData");
+        var pathname = args[0];
+        var prog = new LoggingProgress(logger);
+        var data = new FwDataFixer(pathname, prog, logError, getErrorCount);
+        data.FixErrorsAndSave();
+        return errorsOccurred ? 1 : 0;
+    }
+
+    private static bool errorsOccurred = false;
+    private static int errorCount = 0;
+    private static ILogger? logger;
+
+    private static void logError(string description, bool errorFixed)
+    {
+        logger?.LogError(description);
+
+        errorsOccurred = true;
+        if (errorFixed)
+            ++errorCount;
+    }
+
+    private static int getErrorCount()
+    {
+        return errorCount;
+    }
+
+    private sealed class LoggingProgress(ILogger logger) : IProgress
+    {
+        public string Message { get => ""; set => logger.LogInformation(value); }
+
+        #region Do-nothing implementation of IProgress GUI methods
+        // IProgress methods required by the interface that don't make sense in a console app
+        public event CancelEventHandler? Canceling;
+        public void Step(int amount)
+        {
+            if (Canceling != null)
+            {
+                // don't do anything -- this just shuts up the compiler about the
+                // event handler never being used.
+            }
+        }
+
+        public string Title { get => ""; set { } }
+        public int Position { get; set; }
+        public int StepSize { get; set; }
+        public int Minimum { get; set; }
+        public int Maximum { get; set; }
+        public ISynchronizeInvoke? SynchronizeInvoke { get => null; private set { } }
+        public bool IsIndeterminate { get => false; set { } }
+        public bool AllowCancel { get => false; set { } }
+        #endregion
+    }
+}