[ADD] maintenance_plan_meter_mode: some adjustments

Author: dalonsod

maintenance_plan_meter_mode/models/maintenance.py

@@ -1,5 +1,4 @@
 from odoo import api, models, fields, _
-from datetime import timedelta
 from odoo.exceptions import ValidationError
 
 
@@ -22,11 +21,26 @@ class MaintenancePlan(models.Model):
         help='Maximum value since the last revision to generate another')
     meter_autoinc_lastvalue = fields.Float(
         string='Value of last revision',
-    help='Value from which the last revision was made')
+        help='Value from which the last revision was made')
     meter_autoinc_lastupdate = fields.Date(
         string='Date of last revision',
         readonly=True)
 
+    def _compute_next_maintenance(self):
+        super()._compute_next_maintenance()
+
+        for plan in self.filtered(lambda x: x.meter_mode):
+            next_maintenance_todo = self.env['maintenance.request'].search([
+                ('equipment_id', '=', plan.equipment_id.id),
+                ('maintenance_type', '=', 'preventive'),
+                ('maintenance_kind_id', '=', plan.maintenance_kind_id.id),
+                ('maintenance_plan_id', '=', plan.id),
+                ('stage_id.done', '!=', True),
+                ('close_date', '=', False)], order="request_date asc", limit=1)
+
+            plan.next_maintenance_date = next_maintenance_todo.request_date \
+                if next_maintenance_todo else plan.start_maintenance_date
+
     @api.onchange('meter_mode')
     def _onchange_meter_mode(self):
         if self.meter_mode: