Decouple core Yaak logic from Tauri (#354)

crates/yaak-grpc/src/any.rs

@@ -0,0 +1,60 @@
+use log::error;
+
+pub(crate) fn collect_any_types(json: &str, out: &mut Vec<String>) {
+    let value = match serde_json::from_str(json).map_err(|e| e.to_string()) {
+        Ok(v) => v,
+        Err(e) => {
+            error!("Failed to parse gRPC message JSON: {e:?}");
+            return;
+        }
+    };
+    collect_any_types_value(&value, out);
+}
+
+fn collect_any_types_value(json: &serde_json::Value, out: &mut Vec<String>) {
+    match json {
+        serde_json::Value::Object(map) => {
+            if let Some(t) = map.get("@type").and_then(|v| v.as_str()) {
+                if let Some(full_name) = t.rsplit_once('/').map(|(_, n)| n) {
+                    out.push(full_name.to_string());
+                }
+            }
+
+            for v in map.values() {
+                collect_any_types_value(v, out);
+            }
+        }
+        serde_json::Value::Array(arr) => {
+            for v in arr {
+                collect_any_types_value(v, out);
+            }
+        }
+        _ => {}
+    }
+}
+
+// Write tests for this
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_collect_any_types() {
+        let json = r#"{
+            "mounts": [
+              {
+                "mountSource": {
+                  "@type": "type.googleapis.com/mount_source.MountSourceRBDVolume",
+                  "volumeID": "volumes/rbd"
+                }
+              }
+            ],
+            "foo": {
+              "@type": "type.googleapis.com/foo.bar",
+              "foo": "fooo"
+            }
+        }"#;
+
+        let mut out = Vec::new();
+        super::collect_any_types(json, &mut out);
+        assert_eq!(out, vec!["foo.bar", "mount_source.MountSourceRBDVolume"]);
+    }
+}