Modifying the local Catalog functionality (#1195)

* Add the path to information.json to local card

* change file path

* Remove local_card_file to avoid duplication

Update card.py

* Implementing rwview changes

---------

Co-authored-by: Dhanshree Arora <DhanshreeA@users.noreply.github.com>

ersilia/hub/content/card.py

@@ -8,6 +8,7 @@
 from ...auth.auth import Auth
 from ...db.hubdata.interfaces import AirtableInterface
 import validators
+from functools import lru_cache
 
 try:
     from validators import ValidationFailure
@@ -45,7 +46,7 @@
 except:
     Hdf5Explorer = None
 
-from ...default import CARD_FILE, METADATA_JSON_FILE, SERVICE_CLASS_FILE
+from ...default import EOS, INFORMATION_FILE, METADATA_JSON_FILE, SERVICE_CLASS_FILE
 
 
 class BaseInformation(ErsiliaBase):
@@ -60,6 +61,7 @@ def __init__(self, config_json):
         self._mode = None
         self._task = None
         self._input = None
+
         self._input_shape = None
         self._output = None
         self._output_type = None
@@ -702,35 +704,48 @@ def get(self, model_id):
 
 
 class LocalCard(ErsiliaBase):
+    """
+    This class provides information on models that have been fetched and are available locally.
+    It retrieves and caches information about the models.
+    """
     def __init__(self, config_json):
         ErsiliaBase.__init__(self, config_json=config_json)
-
-    def get(self, model_id):
+
+    @lru_cache(maxsize=32)
+    def _load_data(self, model_id):
+        """
+        Loads the JSON data from the model's information file.
+        """
         model_path = self._model_path(model_id)
-        card_path = os.path.join(model_path, CARD_FILE)
-        if os.path.exists(card_path):
-            with open(card_path, "r") as f:
-                card = json.load(f)
-            return card
-        else:
-            return None
-
+        file_path = os.path.join(model_path, INFORMATION_FILE)
+
+        if os.path.exists(file_path):
+            try:
+                with open(file_path, "r") as f:
+                    return json.load(f)
+            except json.JSONDecodeError:
+                return None
+        return None
+
+    def get(self, model_id):
+        """
+        Returns the 'card' information for the specified model.
+        """
+        data = self._load_data(model_id)
+        if data:
+            return data.get("card")
+        return None
+
     def get_service_class(self, model_id):
         """
-        This method returns information about how the model was fetched by reading 
-        the service class file located in the model's bundle directory. If the service 
-        class file does not exist, it returns None.
+        Returns the 'service class' information for the specified model.
         """
-        service_class_path = os.path.join(
-                self._get_bundle_location(model_id), SERVICE_CLASS_FILE
-            )
-
-        if os.path.exists(service_class_path):
-            with open(service_class_path, "r") as f:
-                service_class = f.read().strip()
-            return service_class
-        else:
-            return None
+
+        data = self._load_data(model_id)
+        if data:
+            return data.get("service_class")
+        return None
+
 
 class LakeCard(ErsiliaBase):
     def __init__(self, config_json=None):