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gsinghpal
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fusion_plating/fusion_plating_safety/models/fp_sds.py
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180
fusion_plating/fusion_plating_safety/models/fp_sds.py
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# -*- coding: utf-8 -*-
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# Copyright 2026 Nexa Systems Inc.
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# License OPL-1 (Odoo Proprietary License v1.0)
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# Part of the Fusion Plating product family.
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from dateutil.relativedelta import relativedelta
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from odoo import api, fields, models
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class FpSds(models.Model):
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"""Safety Data Sheet library entry.
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A Safety Data Sheet (SDS) is a 16-section document supplied by a chemical
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manufacturer that describes the hazards, handling, storage, exposure
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controls and emergency information for a product. Under the WHMIS 2015 /
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GHS framework an SDS is considered current for three years from its
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issue date — after which a refresh from the supplier is required.
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Each SDS in the library carries supplier metadata, hazard classification,
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GHS pictogram codes, language coverage and a link to the original PDF
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via ir.attachment.
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"""
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_name = 'fusion.plating.sds'
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_description = 'Fusion Plating — Safety Data Sheet'
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_inherit = ['mail.thread', 'mail.activity.mixin']
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_order = 'product_name, version desc, issue_date desc'
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_rec_name = 'name'
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name = fields.Char(
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string='Reference',
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required=True,
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tracking=True,
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help='Internal reference for this SDS entry, often the product name.',
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)
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product_name = fields.Char(
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string='Product Name',
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tracking=True,
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)
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supplier_name = fields.Char(
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string='Supplier (Text)',
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tracking=True,
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help='Free-text supplier name as printed on the SDS, used when '
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'no res.partner record exists yet.',
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)
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supplier_id = fields.Many2one(
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'res.partner',
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string='Supplier',
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tracking=True,
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)
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cas_number = fields.Char(
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string='CAS Number',
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tracking=True,
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)
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version = fields.Char(
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string='Version',
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tracking=True,
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)
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issue_date = fields.Date(
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string='Issue Date',
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tracking=True,
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)
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expiry_date = fields.Date(
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string='Expiry Date',
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compute='_compute_expiry_date',
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store=True,
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tracking=True,
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help='Computed as issue date + 3 years per WHMIS / GHS rule. '
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'Refresh from the supplier is required before this date.',
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)
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state = fields.Selection(
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[
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('current', 'Current'),
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('expiring_soon', 'Expiring Soon'),
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('expired', 'Expired'),
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('withdrawn', 'Withdrawn'),
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],
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string='Status',
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compute='_compute_state',
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store=True,
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tracking=True,
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)
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hazard_class = fields.Selection(
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[
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('flammable', 'Flammable'),
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('oxidizer', 'Oxidizer'),
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('compressed_gas', 'Compressed Gas'),
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('corrosive', 'Corrosive'),
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('toxic', 'Toxic'),
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('carcinogen', 'Carcinogen'),
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('reproductive_toxin', 'Reproductive Toxin'),
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('sensitizer', 'Sensitizer'),
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('aquatic_toxin', 'Aquatic Toxin'),
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('other', 'Other'),
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],
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string='Primary Hazard Class',
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tracking=True,
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)
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ghs_pictograms = fields.Char(
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string='GHS Pictograms',
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help='Comma-separated GHS pictogram codes, e.g. GHS01,GHS02,GHS05.',
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)
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language = fields.Selection(
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[
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('en', 'English'),
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('fr', 'French'),
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('both', 'Bilingual (EN/FR)'),
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],
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string='Language',
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default='en',
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)
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attachment_id = fields.Many2one(
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'ir.attachment',
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string='SDS Document',
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help='The original SDS PDF supplied by the manufacturer.',
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)
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notes = fields.Html(
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string='Notes',
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)
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withdrawn = fields.Boolean(
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string='Withdrawn',
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tracking=True,
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help='Manually mark this SDS as withdrawn (e.g. product discontinued).',
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)
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active = fields.Boolean(default=True)
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company_id = fields.Many2one(
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'res.company',
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string='Company',
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default=lambda self: self.env.company,
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)
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chemical_ids = fields.One2many(
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'fusion.plating.chemical',
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'sds_id',
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string='Chemicals',
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)
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chemical_count = fields.Integer(
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compute='_compute_chemical_count',
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)
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# ==========================================================================
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# Computes
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# ==========================================================================
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@api.depends('issue_date')
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def _compute_expiry_date(self):
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for rec in self:
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if rec.issue_date:
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rec.expiry_date = rec.issue_date + relativedelta(years=3)
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else:
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rec.expiry_date = False
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@api.depends('expiry_date', 'withdrawn')
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def _compute_state(self):
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today = fields.Date.context_today(self)
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warn_window = today + relativedelta(months=3)
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for rec in self:
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if rec.withdrawn:
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rec.state = 'withdrawn'
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elif not rec.expiry_date:
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rec.state = 'current'
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elif rec.expiry_date < today:
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rec.state = 'expired'
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elif rec.expiry_date <= warn_window:
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rec.state = 'expiring_soon'
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else:
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rec.state = 'current'
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def _compute_chemical_count(self):
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for rec in self:
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rec.chemical_count = len(rec.chemical_ids)
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# ==========================================================================
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# Actions
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# ==========================================================================
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def action_mark_withdrawn(self):
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self.write({'withdrawn': True})
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def action_mark_active(self):
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self.write({'withdrawn': False})
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