[ADD]pms_api_rest: avails service and datamodel

pms_api_rest/datamodels/pms_avail.py

@@ -0,0 +1,20 @@
+from marshmallow import fields
+
+from odoo.addons.datamodel.core import Datamodel
+
+
+class PmsAvailSearchParam(Datamodel):
+    _name = "pms.avail.search.param"
+    availabilityFrom = fields.String(required=True, allow_none=True)
+    availabilityTo = fields.String(required=True, allow_none=True)
+    pmsPropertyId = fields.Integer(required=True, allow_none=True)
+    pricelistId = fields.Integer(required=False, allow_none=True)
+    roomTypeId = fields.Integer(required=False, allow_none=True)
+    realAvail = fields.Boolean(required=False, allow_none=True)
+    currentLines = fields.List(fields.Integer(), required=False, allow_none=False)
+
+
+class PmsAvailInfo(Datamodel):
+    _name = "pms.avail.info"
+    date = fields.String(required=True, allow_none=False)
+    roomIds = fields.List(fields.Integer, required=False, allow_none=True)

pms_api_rest/services/pms_avail_service.py

@@ -0,0 +1,65 @@
+from datetime import datetime, timedelta
+
+from odoo import _, fields
+from odoo.exceptions import MissingError
+
+from odoo.addons.base_rest import restapi
+from odoo.addons.base_rest_datamodel.restapi import Datamodel
+from odoo.addons.component.core import Component
+
+
+class PmsAvailService(Component):
+    _inherit = "base.rest.service"
+    _name = "pms.avail.service"
+    _usage = "avails"
+    _collection = "pms.services"
+
+    @restapi.method(
+        [
+            (
+                [
+                    "/",
+                ],
+                "GET",
+            )
+        ],
+        input_param=Datamodel("pms.avail.search.param"),
+        output_param=Datamodel("pms.avail.info", is_list=True),
+        auth="jwt_api_pms",
+    )
+    def get_avails(self, avails_search_param):
+        if not (
+            avails_search_param.availabilityFrom
+            and avails_search_param.availabilityTo
+            and avails_search_param.pmsPropertyId
+        ):
+            raise MissingError(_("Missing required parameters"))
+        pricelist_id = avails_search_param.pricelistId or False
+        room_type_id = avails_search_param.roomTypeId or False
+        pms_property = self.env["pms.property"].browse(
+            avails_search_param.pmsPropertyId
+        )
+        PmsAvailInfo = self.env.datamodels["pms.avail.info"]
+        result_avails = []
+        date_from = fields.Date.from_string(avails_search_param.availabilityFrom)
+        date_to = fields.Date.from_string(avails_search_param.availabilityTo)
+        dates = [
+            date_from + timedelta(days=x)
+            for x in range(0, (date_to - date_from).days + 1)
+        ]
+        for item_date in dates:
+            pms_property = pms_property.with_context(
+                checkin=item_date,
+                checkout=item_date + timedelta(days=1),
+                room_type_id=room_type_id,
+                current_lines=avails_search_param.currentLines or False,
+                pricelist_id=pricelist_id,
+                real_avail=True,
+            )
+            result_avails.append(
+                PmsAvailInfo(
+                    date=datetime.combine(item_date, datetime.min.time()).isoformat(),
+                    roomIds=pms_property.free_room_ids.ids,
+                )
+            )
+        return result_avails