Add Insights Model Discovery and Fallback Handling

src/utils.rs

@@ -0,0 +1,83 @@
+/// Normalize a file path to use forward slashes for cross-platform consistency
+/// This ensures paths stored in the database always use `/` regardless of OS
+///
+/// # Examples
+/// ```
+/// use image_api::utils::normalize_path;
+///
+/// assert_eq!(normalize_path("foo\\bar\\baz.jpg"), "foo/bar/baz.jpg");
+/// assert_eq!(normalize_path("foo/bar/baz.jpg"), "foo/bar/baz.jpg");
+/// ```
+pub fn normalize_path(path: &str) -> String {
+    path.replace('\\', "/")
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_normalize_path_with_backslashes() {
+        assert_eq!(normalize_path("foo\\bar\\baz.jpg"), "foo/bar/baz.jpg");
+    }
+
+    #[test]
+    fn test_normalize_path_with_forward_slashes() {
+        assert_eq!(normalize_path("foo/bar/baz.jpg"), "foo/bar/baz.jpg");
+    }
+
+    #[test]
+    fn test_normalize_path_mixed() {
+        assert_eq!(
+            normalize_path("foo\\bar/baz\\qux.jpg"),
+            "foo/bar/baz/qux.jpg"
+        );
+    }
+
+    #[test]
+    fn test_normalize_path_empty() {
+        assert_eq!(normalize_path(""), "");
+    }
+
+    #[test]
+    fn test_normalize_path_absolute_windows() {
+        assert_eq!(
+            normalize_path("C:\\Users\\Photos\\image.jpg"),
+            "C:/Users/Photos/image.jpg"
+        );
+    }
+
+    #[test]
+    fn test_normalize_path_unc_path() {
+        assert_eq!(
+            normalize_path("\\\\server\\share\\folder\\file.jpg"),
+            "//server/share/folder/file.jpg"
+        );
+    }
+
+    #[test]
+    fn test_normalize_path_single_filename() {
+        assert_eq!(normalize_path("image.jpg"), "image.jpg");
+    }
+
+    #[test]
+    fn test_normalize_path_trailing_slash() {
+        assert_eq!(normalize_path("foo\\bar\\"), "foo/bar/");
+    }
+
+    #[test]
+    fn test_normalize_path_multiple_consecutive_backslashes() {
+        assert_eq!(
+            normalize_path("foo\\\\bar\\\\\\baz.jpg"),
+            "foo//bar///baz.jpg"
+        );
+    }
+
+    #[test]
+    fn test_normalize_path_deep_nesting() {
+        assert_eq!(
+            normalize_path("a\\b\\c\\d\\e\\f\\g\\file.jpg"),
+            "a/b/c/d/e/f/g/file.jpg"
+        );
+    }
+}