fix(app): open .ecprojx project copies passed on the command line (#528)

apps/effectcraft/src/main.rs

@@ -36,6 +36,15 @@ fn app_icon() -> egui::IconData {
     eframe::icon_data::from_png_bytes(png).unwrap_or_default()
 }
 
+/// Both native JSON projects and Save a Copy As XML projects are openable on launch.
+/// Keep this classification shared by project opening and the subsequent media-import pass.
+fn is_project_file(path: &str) -> bool {
+    std::path::Path::new(path)
+        .extension()
+        .and_then(|ext| ext.to_str())
+        .is_some_and(|ext| ext.eq_ignore_ascii_case("ecproj") || ext.eq_ignore_ascii_case("ecprojx"))
+}
+
 /// The command line.
 #[derive(Debug, Default, PartialEq)]
 struct Args {
@@ -143,7 +152,7 @@ fn main() -> eframe::Result {
             }
             session.load_settings();
             let recovery = if control_port.is_none() { session.begin_recovery() } else { None };
-            let project = files.iter().find(|f| f.ends_with(".ecproj")).cloned();
+            let project = files.iter().find(|f| is_project_file(f)).cloned();
             if let Some(p) = project {
                 if let Err(e) = session.execute("file.open", json!({"path": p})) {
                     eprintln!("effectcraft: {e}");
@@ -151,7 +160,7 @@ fn main() -> eframe::Result {
             } else if demo {
                 let _ = session.execute("file.openDemoProject", json!({}));
             }
-            let media: Vec<String> = files.iter().filter(|f| !f.ends_with(".ecproj")).cloned().collect();
+            let media: Vec<String> = files.iter().filter(|f| !is_project_file(f)).cloned().collect();
             if !media.is_empty()
                 && let Err(e) = session.execute("file.import", json!({"paths": media}))
             {
@@ -353,6 +362,23 @@ mod tests {
         assert_eq!(super::device_limits(big).max_texture_dimension_2d, 16384);
     }
 
+    /// A positional .ecprojx is a project file, not an unsupported media import (#528).
+    #[test]
+    fn launch_classifies_xml_and_json_projects_as_projects() {
+        for path in ["Copy.ecprojx", "/tmp/Scene.ecproj", "C:\\\\work\\\\Shot.ECPROJX"] {
+            assert!(super::is_project_file(path), "{path}");
+        }
+        for path in ["scene.ecprojx.png", "scene.mp4", "scene", "copy.ecprojx.bak"] {
+            assert!(!super::is_project_file(path), "{path}");
+        }
+        let files = ["scene.ecprojx".to_string(), "clip.mov".to_string()];
+        assert_eq!(files.iter().find(|f| super::is_project_file(f)).map(String::as_str), Some("scene.ecprojx"));
+        assert_eq!(
+            files.iter().filter(|f| !super::is_project_file(f)).map(String::as_str).collect::<Vec<_>>(),
+            vec!["clip.mov"],
+        );
+    }
+
     /// Launching without a project opens an empty project, not the demo (#204).
     #[test]
     fn no_arguments_start_an_empty_project() {