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Add MIME type detection from file path

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Thorsten Sommer 2026-01-09 19:02:35 +01:00
parent 8e9b2e8b5d
commit 31694339b1
Signed by: tsommer
GPG Key ID: 371BBA77A02C0108
1 changed files with 62 additions and 0 deletions
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62
app/MindWork AI Studio/Tools/MIME/Builder.cs
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@ -8,6 +8,68 @@ public class Builder
public static Builder Create() => new();
public static MIMEType FromFilename(string filenameOrPath)
{
var extension = Path.GetExtension(filenameOrPath);
if (string.IsNullOrEmpty(extension))
throw new ArgumentException("Filename or path does not have a valid extension.", nameof(filenameOrPath));
extension = extension.TrimStart('.').ToLowerInvariant();
var builder = Create();
return extension switch
{
// Application types
"pdf" => builder.UseApplication().UseSubtype(ApplicationSubtype.PDF).Build(),
"zip" => builder.UseApplication().UseSubtype(ApplicationSubtype.ZIP).Build(),
"doc" => builder.UseApplication().UseSubtype(ApplicationSubtype.WORD_OLD).Build(),
"docx" => builder.UseApplication().UseSubtype(ApplicationSubtype.WORD).Build(),
"xls" => builder.UseApplication().UseSubtype(ApplicationSubtype.EXCEL_OLD).Build(),
"xlsx" => builder.UseApplication().UseSubtype(ApplicationSubtype.EXCEL).Build(),
"ppt" => builder.UseApplication().UseSubtype(ApplicationSubtype.POWERPOINT_OLD).Build(),
"pptx" => builder.UseApplication().UseSubtype(ApplicationSubtype.POWERPOINT).Build(),
"json" => builder.UseApplication().UseSubtype(ApplicationSubtype.JSON).Build(),
"xml" => builder.UseApplication().UseSubtype(ApplicationSubtype.XML).Build(),
// Text types
"txt" => builder.UseText().UseSubtype(TextSubtype.PLAIN).Build(),
"html" or "htm" => builder.UseText().UseSubtype(TextSubtype.HTML).Build(),
"css" => builder.UseText().UseSubtype(TextSubtype.CSS).Build(),
"csv" => builder.UseText().UseSubtype(TextSubtype.CSV).Build(),
"js" => builder.UseText().UseSubtype(TextSubtype.JAVASCRIPT).Build(),
"md" or "markdown" => builder.UseText().UseSubtype(TextSubtype.MARKDOWN).Build(),
// Audio types
"wav" => builder.UseAudio().UseSubtype(AudioSubtype.WAV).Build(),
"mp3" => builder.UseAudio().UseSubtype(AudioSubtype.MP3).Build(),
"ogg" => builder.UseAudio().UseSubtype(AudioSubtype.OGG).Build(),
"aac" => builder.UseAudio().UseSubtype(AudioSubtype.AAC).Build(),
"flac" => builder.UseAudio().UseSubtype(AudioSubtype.FLAC).Build(),
"m4a" => builder.UseAudio().UseSubtype(AudioSubtype.M4A).Build(),
"aiff" or "aif" => builder.UseAudio().UseSubtype(AudioSubtype.AIFF).Build(),
"mpga" => builder.UseAudio().UseSubtype(AudioSubtype.MPEG).Build(),
"webm" => builder.UseAudio().UseSubtype(AudioSubtype.WEBM).Build(),
// Image types
"jpg" or "jpeg" => builder.UseImage().UseSubtype(ImageSubtype.JPEG).Build(),
"png" => builder.UseImage().UseSubtype(ImageSubtype.PNG).Build(),
"gif" => builder.UseImage().UseSubtype(ImageSubtype.GIF).Build(),
"tiff" or "tif" => builder.UseImage().UseSubtype(ImageSubtype.TIFF).Build(),
"webp" => builder.UseImage().UseSubtype(ImageSubtype.WEBP).Build(),
"svg" => builder.UseImage().UseSubtype(ImageSubtype.SVG).Build(),
"heic" => builder.UseImage().UseSubtype(ImageSubtype.HEIC).Build(),
// Video types
"mp4" => builder.UseVideo().UseSubtype(VideoSubtype.MP4).Build(),
"avi" => builder.UseVideo().UseSubtype(VideoSubtype.AVI).Build(),
"mov" => builder.UseVideo().UseSubtype(VideoSubtype.MOV).Build(),
"mkv" => builder.UseVideo().UseSubtype(VideoSubtype.MKV).Build(),
"mpeg" or "mpg" => builder.UseVideo().UseSubtype(VideoSubtype.MPEG).Build(),
_ => throw new ArgumentException($"Unsupported file extension: '.{extension}'.", nameof(filenameOrPath))
};
}
public static MIMEType FromTextRepresentation(string textRepresentation)
{
var parts = textRepresentation.Split('/');