Use class-based odoo client for connection reuse

src/servala/core/odoo.py

@@ -15,69 +15,77 @@ ADDRESS_FIELDS = [
     "phone",
     "vat",
     "company_type",
+    "type",
 ]
 
 
-def odoo_request(model, method, **kwargs):
-    url = settings.ODOO["URL"]
-    db = settings.ODOO["DB"]
-    username = settings.ODOO["USERNAME"]
-    password = settings.ODOO["PASSWORD"]
+class OdooClient:
+    def __init__(self):
+        self.url = settings.ODOO["URL"]
+        self.db = settings.ODOO["DB"]
+        self.username = settings.ODOO["USERNAME"]
+        self.password = settings.ODOO["PASSWORD"]
 
-    try:
-        common = xmlrpc.client.ServerProxy(f"{url}/xmlrpc/2/common")
-        uid = common.authenticate(db, username, password, {})
+        self.common_proxy = None
+        self.models_proxy = None
+        self.uid = None
 
-        if not uid:
-            raise Exception("Authentication failed with Odoo.")
+    def _connect(self):
+        """This method is called on the first client request, not on instantiation,
+        so that we can instantiate the client on startup and reuse it across the entire
+        application."""
+        try:
+            self.common_proxy = xmlrpc.client.ServerProxy(f"{self.url}/xmlrpc/2/common")
+            self.uid = self.common_proxy.authenticate(
+                self.db, self.username, self.password, {}
+            )
 
-        models = xmlrpc.client.ServerProxy(f"{url}/xmlrpc/2/object")
+            if not self.uid:
+                raise Exception("Authentication failed with Odoo: No UID returned.")
 
-        # Prepare arguments for execute_kw
-        # Odoo's execute_kw expects: db, uid, password, model, method, args_list, kwargs_dict
-        # For 'search_read', args_list typically contains [domain, fields]
-        # and kwargs_dict contains {'limit': ..., 'offset': ..., 'order': ...}
+            self.models_proxy = xmlrpc.client.ServerProxy(f"{self.url}/xmlrpc/2/object")
 
-        args_list = []
-        kwargs_dict = {}
+        except xmlrpc.client.Fault as e:
+            raise Exception(
+                f"Odoo XML-RPC Fault during connection: {e.faultString}"
+            ) from e
+        except ConnectionRefusedError as e:
+            raise Exception(
+                f"Could not connect to Odoo at {self.url}. Connection refused."
+            ) from e
+        except Exception as e:
+            raise Exception(
+                f"An error occurred while connecting to Odoo: {str(e)}"
+            ) from e
 
-        if method == "search_read":
-            # Extract domain and fields for positional arguments if present
-            domain = kwargs.pop("domain", [])
-            fields = kwargs.pop("fields", [])
-            args_list = [domain, fields]
-            # Remaining kwargs are passed as the options dictionary
-            kwargs_dict = kwargs
-        else:
-            # For other methods, we might need a more generic way or specific handling.
-            # For now, assume kwargs can be passed directly if method is not 'search_read',
-            # or that they are passed as a list of arguments.
-            # This part might need refinement based on other Odoo methods used.
-            # A common pattern is to pass a list of IDs as the first arg for methods like 'read', 'write'.
-            # If 'args' is explicitly passed in kwargs, use it.
-            if "args" in kwargs:
-                args_list = kwargs.pop("args")
-            # Remaining kwargs are passed as the options dictionary
-            kwargs_dict = kwargs
+    def execute(self, model, method, args_list, **kwargs):
+        if not self.uid or not self.models_proxy:
+            self._connect()
 
-        breakpoint()
-        result = models.execute_kw(
-            db, uid, password, model, method, args_list, kwargs_dict
-        )
-        return result
+        try:
+            result = self.models_proxy.execute_kw(
+                self.db, self.uid, self.password, model, method, args_list, kwargs
+            )
+            return result
 
-    except xmlrpc.client.Fault as e:
-        # Handle XML-RPC specific errors (e.g., Odoo operational errors)
-        raise Exception(f"Odoo XML-RPC Fault: {e.faultString}") from e
-    except ConnectionRefusedError as e:
-        raise Exception(
-            f"Could not connect to Odoo at {url}. Connection refused."
-        ) from e
-    except Exception as e:
-        # General exception handling
-        raise Exception(
-            f"An error occurred while communicating with Odoo: {str(e)}"
-        ) from e
+        except xmlrpc.client.Fault as e:
+            print(f"Fault! {e}")
+            raise Exception(f"Odoo XML-RPC Fault: {e.faultString}") from e
+        except ConnectionRefusedError as e:
+            raise Exception(
+                f"Connection to Odoo at {self.url} lost or refused during operation."
+            ) from e
+        except Exception as e:
+            print(e)
+            raise Exception(
+                f"An error occurred while communicating with Odoo: {str(e)}"
+            ) from e
+
+    def search_read(self, model, domain, fields, **kwargs):
+        return self.execute(model, "search_read", args_list=[domain, fields], **kwargs)
+
+
+CLIENT = OdooClient()
 
 
 def get_invoice_addresses(user):