Scaled down and converted images before sending them to AI models (#1101)

app/MindWork AI Studio/Tools/Rust/ModelImageErrorCodeExtensions.cs

@@ -0,0 +1,36 @@
+using AIStudio.Tools.PluginSystem;
+
+namespace AIStudio.Tools.Rust;
+
+/// <summary>
+/// Translates why an image could not be prepared for an AI model into user-facing text.
+/// </summary>
+/// <remarks>
+/// The runtime writes the technical details into the log. The texts here name what the user can
+/// act on, such as converting the image into another format.
+/// </remarks>
+public static class ModelImageErrorCodeExtensions
+{
+    private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(ModelImageErrorCodeExtensions).Namespace, nameof(ModelImageErrorCodeExtensions));
+
+    /// <summary>
+    /// Gets the localized message which explains why an image was not sent to the AI.
+    /// </summary>
+    /// <param name="code">Why the image could not be prepared.</param>
+    /// <param name="fileName">The name of the image file, as shown to the user.</param>
+    /// <returns>The localized message.</returns>
+    public static string ToUserMessage(this ModelImageErrorCode code, string fileName) => string.Format(ToUserMessageFormat(code), fileName);
+
+    private static string ToUserMessageFormat(ModelImageErrorCode code) => code switch
+    {
+        ModelImageErrorCode.FILE_NOT_FOUND => TB("The image '{0}' does not exist anymore and was not sent."),
+        ModelImageErrorCode.FILE_NOT_READABLE => TB("The image '{0}' could not be opened and was not sent. When the image is stored on a network drive, the drive might be unavailable."),
+        ModelImageErrorCode.UNSUPPORTED_FORMAT => TB("The image '{0}' uses a format which AI Studio cannot give to an AI model, so it was not sent. Please convert the image to JPG or PNG."),
+        ModelImageErrorCode.CONTENT_MISMATCH => TB("The image '{0}' is not what its file extension claims, so it was not sent. Please correct its file extension."),
+        ModelImageErrorCode.NOT_DECODABLE => TB("The image '{0}' could not be read and was not sent. It might be damaged or transferred incompletely."),
+        ModelImageErrorCode.TOO_MANY_PIXELS => TB("The image '{0}' has too many pixels for AI Studio to prepare it, so it was not sent. Please scale the image down first."),
+        ModelImageErrorCode.BUDGET_NOT_REACHABLE => TB("The image '{0}' could not be made small enough for the selected provider, so it was not sent."),
+
+        _ => TB("AI Studio was not able to prepare the image '{0}' for the AI, so it was not sent."),
+    };
+}