changes

fusion_plating/fusion_plating/models/fp_tank.py

@@ -19,7 +19,7 @@ class FpTank(models.Model):
     _name = 'fusion.plating.tank'
     _description = 'Fusion Plating — Tank'
     _inherit = ['mail.thread', 'mail.activity.mixin']
-    _order = 'facility_id, work_center_id, sequence, code'
+    _order = 'facility_id, section_id, sequence, code'
 
     name = fields.Char(
         string='Tank Name',
@@ -51,9 +51,16 @@ class FpTank(models.Model):
         ondelete='restrict',
         tracking=True,
     )
+    section_id = fields.Many2one(
+        'fusion.plating.tank.section',
+        string='Section',
+        ondelete='set null',
+        tracking=True,
+        help='Free-form grouping (e.g. Steel Line, Aluminum Line, Specialty Line).',
+    )
     work_center_id = fields.Many2one(
         'fusion.plating.work.center',
-        string='Work Center',
+        string='Production Line',
         domain="[('facility_id','=',facility_id)]",
         ondelete='restrict',
         tracking=True,
@@ -126,6 +133,22 @@ class FpTank(models.Model):
         tracking=True,
     )
 
+    # ----- Default temperature (used as pre-fill on bath log lines) -------
+    default_temperature = fields.Float(
+        string='Default Temperature',
+        digits=(6, 2),
+        tracking=True,
+        help='Operating temperature setpoint. Pre-fills the temperature '
+             'reading on new chemistry logs so the operator can confirm with '
+             'one tap. Use the up/down arrows on the input to nudge by 1 unit.',
+    )
+    default_temperature_uom = fields.Selection(
+        [('c', '°C'), ('f', '°F')],
+        string='Temperature Unit',
+        default='c',
+        tracking=True,
+    )
+
     # ----- Relations ------------------------------------------------------
     bath_ids = fields.One2many(
         'fusion.plating.bath',
@@ -138,16 +161,45 @@ class FpTank(models.Model):
         compute='_compute_current_bath',
         store=True,
     )
+    current_bath_process_id = fields.Many2one(
+        'fusion.plating.process.type',
+        string='Current Bath Process',
+        related='current_bath_id.process_type_id',
+        store=True,
+        help='Process derived from the active bath. The editable "Current '
+             'Process" overrides this when the operator needs to flag a '
+             'different process (e.g. between bath swaps).',
+    )
     current_process_id = fields.Many2one(
         'fusion.plating.process.type',
         string='Current Process',
-        related='current_bath_id.process_type_id',
-        store=True,
+        ondelete='restrict',
+        tracking=True,
+        help='User-settable process flag. Defaults to the active bath\'s '
+             'process; can be overridden when operating off-recipe.',
     )
     bath_count = fields.Integer(
         compute='_compute_bath_count',
     )
 
+    # ----- Compositions ---------------------------------------------------
+    composition_ids = fields.One2many(
+        'fusion.plating.tank.composition',
+        'tank_id',
+        string='Compositions',
+    )
+    active_composition_id = fields.Many2one(
+        'fusion.plating.tank.composition',
+        string='Active Composition',
+        domain="[('tank_id', '=', id)]",
+        tracking=True,
+        help='The composition currently in service. Switching is logged in '
+             'the chatter for full audit history.',
+    )
+    composition_count = fields.Integer(
+        compute='_compute_composition_count',
+    )
+
     _sql_constraints = [
         (
             'fp_tank_code_facility_uniq',
@@ -168,6 +220,20 @@ class FpTank(models.Model):
         for rec in self:
             rec.bath_count = len(rec.bath_ids)
 
+    @api.depends('composition_ids')
+    def _compute_composition_count(self):
+        for rec in self:
+            rec.composition_count = len(rec.composition_ids)
+
+    @api.onchange('current_bath_process_id')
+    def _onchange_seed_current_process(self):
+        """Pre-fill the editable Current Process from the active bath when
+        the operator hasn't already set one — keeps the field useful out of
+        the box while still allowing manual override."""
+        for rec in self:
+            if not rec.current_process_id and rec.current_bath_process_id:
+                rec.current_process_id = rec.current_bath_process_id
+
     @api.model_create_multi
     def create(self, vals_list):
         for vals in vals_list: