[IMP]pms_api_rest: added get, post and patch services and datamdels to partner

pms_api_rest/services/res_lang_service.py

@@ -0,0 +1,35 @@
+from odoo.addons.base_rest import restapi
+from odoo.addons.base_rest_datamodel.restapi import Datamodel
+from odoo.addons.component.core import Component
+
+
+class ReslANGService(Component):
+    _inherit = "base.rest.service"
+    _name = "res.lang.service"
+    _usage = "languages"
+    _collection = "pms.services"
+
+    @restapi.method(
+        [
+            (
+                [
+                    "/",
+                ],
+                "GET",
+            )
+        ],
+        output_param=Datamodel("res.lang.info", is_list=True),
+        auth="jwt_api_pms",
+    )
+    def get_partners(self):
+        result_langs = []
+        ResLangInfo = self.env.datamodels["res.lang.info"]
+        languages = self.env["res.lang"].get_installed()
+        for lang in languages:
+            result_langs.append(
+                ResLangInfo(
+                    code=lang[0],
+                    name=lang[1],
+                )
+            )
+        return result_langs