[feature-274] handle irrelevant oculus download errors

Ignore errors such as "no token" when auto download or "window closed by user" in the ui

src/shared/models/bs-version-download/oculus-download.model.ts

@@ -0,0 +1,16 @@
+
+export enum OculusDownloaderErrorCodes {
+    DOWNLOAD_MANIFEST_ZIP_FAILED = "DOWNLOAD_MANIFEST_ZIP_FAILED",
+    MANIFEST_FILE_NOT_FOUND = "MANIFEST_FILE_NOT_FOUND",
+    PARSE_MANIFEST_FILE_FAILED = "PARSE_MANIFEST_FILE_FAILED",
+    ALREADY_DOWNLOADING = "ALREADY_DOWNLOADING",
+    UNABLE_TO_GET_MANIFEST = "UNABLE_TO_GET_MANIFEST",
+    VERIFY_INTEGRITY_FAILED = "VERIFY_INTEGRITY_FAILED",
+    SOME_FILES_FAILED_TO_DOWNLOAD = "SOME_FILES_FAILED_TO_DOWNLOAD",
+}
+
+export enum MetaAuthErrorCodes {
+    OCULUS_LOGIN_TIMED_OUT = "OCULUS_LOGIN_TIMED_OUT",
+    OCULUS_LOGIN_WINDOW_CLOSED_BY_USER = "OCULUS_LOGIN_WINDOW_CLOSED_BY_USER",
+    NO_META_AUTH_TOKEN = "NO_META_AUTH_TOKEN",
+}

src/shared/models/exceptions/custom-error.class.ts

@@ -12,14 +12,25 @@ export class CustomError extends Error {
     public get code(): string { return this._code; }
     public get data(): unknown { return this._data; }
 
-    public static fromError(error: Error, code: string, data?: unknown): CustomError{
+    public static fromError(error: Error, code?: string, data?: unknown): CustomError{
+
+        if(error instanceof CustomError){
+            return error;
+        }
+
+        code ||= (error as unknown as {code: string}).code || CustomErrorCodes.UNKNOWN_ERROR;
+
         const customError = new CustomError(error.message ?? error.toString(), code, data);
         customError.stack = error.stack;
         return customError;
     }
 
-    public static throw(error: Error, code: string, data?: unknown): never{
+    public static throw(error: Error, code?: string, data?: unknown): never{
         throw CustomError.fromError(error, code, data);
     }
 
+}
+
+export enum CustomErrorCodes {
+    UNKNOWN_ERROR = "UNKNOWN_ERROR",
 }