folder rename

fusion_plating/fusion_plating_batch/models/fp_batch_chemistry.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+# Copyright 2026 Nexa Systems Inc.
+# License OPL-1 (Odoo Proprietary License v1.0)
+# Part of the Fusion Plating product family.
+
+from odoo import api, fields, models
+
+
+class FpBatchChemistry(models.Model):
+    """A single chemistry reading taken during batch processing."""
+    _name = 'fusion.plating.batch.chemistry'
+    _description = 'Batch Chemistry Reading'
+    _order = 'reading_time desc, id desc'
+
+    batch_id = fields.Many2one(
+        'fusion.plating.batch',
+        string='Batch',
+        required=True,
+        ondelete='cascade',
+    )
+    parameter_id = fields.Many2one(
+        'fusion.plating.bath.parameter',
+        string='Parameter',
+        required=True,
+    )
+    value = fields.Float(string='Value', required=True)
+    reading_time = fields.Datetime(
+        string='Reading Time',
+        default=fields.Datetime.now,
+    )
+    status = fields.Selection(
+        selection=[
+            ('pass', 'Pass'),
+            ('warning', 'Warning'),
+            ('fail', 'Fail'),
+        ],
+        string='Status',
+        compute='_compute_status',
+        store=True,
+    )
+    notes = fields.Char(string='Notes')
+
+    @api.depends('parameter_id', 'value')
+    def _compute_status(self):
+        """Compare value against parameter target range.
+
+        Uses the parameter's default target range and warning tolerance.
+        A reading within [target_min, target_max] is a pass. If it falls
+        within the warning tolerance band outside that range, it is a
+        warning. Otherwise it is a fail.
+        """
+        for rec in self:
+            if not rec.parameter_id:
+                rec.status = 'pass'
+                continue
+            param = rec.parameter_id
+            target_min = param.target_min
+            target_max = param.target_max
+            if not target_min and not target_max:
+                rec.status = 'pass'
+                continue
+            # Value within target range = pass
+            if target_min <= rec.value <= target_max:
+                rec.status = 'pass'
+                continue
+            # Calculate warning band from tolerance %
+            tolerance = (param.warning_tolerance or 0.0) / 100.0
+            span = target_max - target_min if target_max != target_min else abs(target_max) or 1.0
+            margin = span * tolerance
+            warning_min = target_min - margin
+            warning_max = target_max + margin
+            if warning_min <= rec.value <= warning_max:
+                rec.status = 'warning'
+            else:
+                rec.status = 'fail'