Add the logic which will call disk image conversion from disk image route

virtweb_backend/src/controllers/disk_images_controller.rs

@@ -1,7 +1,7 @@
 use crate::app_config::AppConfig;
 use crate::constants;
 use crate::controllers::HttpResult;
-use crate::utils::file_disks_utils::DiskFileInfo;
+use crate::utils::file_disks_utils::{DiskFileFormat, DiskFileInfo};
 use crate::utils::files_utils;
 use actix_files::NamedFile;
 use actix_multipart::form::MultipartForm;
@@ -91,6 +91,59 @@ pub async fn download(p: web::Path<DiskFilePath>, req: HttpRequest) -> HttpResul
     Ok(NamedFile::open(file_path)?.into_response(&req))
 }
 
+#[derive(serde::Deserialize)]
+pub struct ConvertDiskImageRequest {
+    dest_file_name: String,
+    #[serde(flatten)]
+    format: DiskFileFormat,
+}
+
+/// Convert disk image into a new format
+pub async fn convert(
+    p: web::Path<DiskFilePath>,
+    req: web::Json<ConvertDiskImageRequest>,
+) -> HttpResult {
+    if !files_utils::check_file_name(&p.filename) {
+        return Ok(HttpResponse::BadRequest().json("Invalid src file name!"));
+    }
+
+    if !files_utils::check_file_name(&req.dest_file_name) {
+        return Ok(HttpResponse::BadRequest().json("Invalid destination file name!"));
+    }
+    if !req
+        .format
+        .ext()
+        .iter()
+        .any(|e| req.dest_file_name.ends_with(e))
+    {
+        return Ok(HttpResponse::BadRequest().json("Invalid destination file extension!"));
+    }
+
+    let src_file_path = AppConfig::get()
+        .disk_images_storage_path()
+        .join(&p.filename);
+
+    let src = DiskFileInfo::load_file(&src_file_path)?;
+
+    let dst_file_path = AppConfig::get()
+        .disk_images_storage_path()
+        .join(&req.dest_file_name);
+
+    if dst_file_path.exists() {
+        return Ok(HttpResponse::Conflict().json("Specified destination file already exists!"));
+    }
+
+    // Perform conversion
+    if let Err(e) = src.convert(&dst_file_path, req.format) {
+        log::error!("Disk file conversion error: {e}");
+        return Ok(
+            HttpResponse::InternalServerError().json(format!("Disk file conversion error: {e}"))
+        );
+    }
+
+    Ok(HttpResponse::Ok().json(src))
+}
+
 /// Delete a disk image
 pub async fn delete(p: web::Path<DiskFilePath>) -> HttpResult {
     if !files_utils::check_file_name(&p.filename) {