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# -*- coding: utf-8 -*-
#############################################################################
#
# Cybrosys Technologies Pvt. Ltd.
#
# Copyright (C) 2025-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
# Author: Cybrosys Techno Solutions(<https://www.cybrosys.com>)
#
# You can modify it under the terms of the GNU LESSER
# GENERAL PUBLIC LICENSE (LGPL v3), Version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU LESSER GENERAL PUBLIC LICENSE (LGPL v3) for more details.
#
# You should have received a copy of the GNU LESSER GENERAL PUBLIC LICENSE
# (LGPL v3) along with this program.
# If not, see <http://www.gnu.org/licenses/>.
#
#############################################################################
import base64
import os
from datetime import datetime, timedelta
from odoo import _, api, fields, models
from odoo.exceptions import ValidationError
from odoo.osv import expression
from odoo.tools import ImageProcess
mimetypes_global = ['image/avif',
'image/bmp',
'image/gif',
'image/ief',
'image/jpeg',
'image/jpeg',
'image/jpeg',
'image/heic',
'image/heif',
'image/png',
'image/svg+xml',
'image/tiff',
'image/tiff',
'image/vnd.microsoft.icon',
'image/x-cmu-raster',
'image/x-portable-anymap',
'image/x-portable-bitmap',
'image/x-portable-graymap',
'image/x-portable-pixmap',
'image/x-rgb',
'image/x-xbitmap',
'image/x-xpixmap',
'image/x-ms-bmp',
'image/x-xwindowdump']
class ImageCompressor(models.Model):
"""
A class for storing the Rules records used for attachments compression
"""
_name = "ir.image.compressor.rule"
_description = "ir_Image_Compressor_Rule"
name = fields.Char(string="Name", required=True)
af_model_ids = fields.Many2many("ir.model", string="Model(s)", required=True, help="Models where this rule applied")
source_format_ids = fields.Many2many("source.file.format",
string="Source Format", help="The file formats of attachments to which this rule is applied.")
quality = fields.Integer(string="Quality", help="""Quality level of the compressed image in percentage. If left empty, 95% will be used as default value.
- for JPEG: 1 is worse, 95 is best. Values above 95 should be
avoided. Falsy values will fallback to 95, but only if the image
was changed, otherwise the original image is returned.
- for PNG: set falsy to prevent conversion to a WEB palette.
- for other formats: no effect.""",)
destination_format = fields.Selection([('JPEG', '.jpeg'),
('PNG', '.png'),
('GIF', '.gif'),
('ICO', '.ico')],
string="Destination format",
default='JPEG', required=True, help="The format to which the source files are converted or compressed.")
active = fields.Boolean(string="Active", help="Whether the rule is active or inactive.")
minimum_size = fields.Integer(string="Minimum Size(KB)", help="The minimum size of the attachment file in KB for the rule to be applied.")
older_days = fields.Integer(string="Older than(days)", help="The age of the attachment in days for this rule to be applied.")
allow_recompress = fields.Boolean("Recompress", default=False, help="Whether to compress already compressed attachments or not.")
@api.constrains('account_type', 'reconcile')
def _check_reconcile(self):
for rule in self:
if rule.quality and not (1 <= rule.quality <= 95) and rule.destination_format == 'jpeg':
raise ValidationError(
_('The quality value should be between 1 and 95.'))
def _get_attachments_domain(self, model_names):
""" Method to generate dynamic domain based on the given rules """
all_mime_types = \
list(set(mimetypes_global).union(
set(self.env['source.file.format'].sudo().
search([]).mapped('mime_type'))))
if not self.source_format_ids:
domains = [('mimetype', 'in', all_mime_types)]
else:
domains = [
('mimetype', 'in', self.source_format_ids.mapped('mime_type'))]
if model_names:
domains = expression.AND(
[domains, [('res_model', 'in', model_names)]])
if self.minimum_size:
domains = expression.AND(
[domains, [('file_size', '>', self.minimum_size * 1024)]])
if self.older_days:
old_day = datetime.now() + timedelta(days=-self.older_days)
domains = expression.AND(
[domains, [('create_date', '<', old_day)]])
if not self.allow_recompress:
domains = expression.AND([domains, [('is_compressed', '=', False)]])
return domains
def _schedule_auto_compress(self):
""" The scheduled action method for compressing or converting the attachment files.
All converted files will replace the source files in the attachment to save storage space. """
i_c_rules = self.env['ir.image.compressor.rule']. \
search([('active', '=', True)])
for record in i_c_rules:
res_models = record.af_model_ids
model_names = res_models.mapped('model')
attach_ments = self.env['ir.attachment'].search(
record._get_attachments_domain(model_names))
for rec in attach_ments:
if rec.raw:
img = ImageProcess(rec.raw,
verify_resolution=False)
else:
img = ImageProcess(base64.b64decode(rec.datas),
verify_resolution=False)
quality = int(record.quality if record.quality else 95)
if record.destination_format:
image_data = img.image_quality(quality=quality, output_format=record.destination_format)
else:
image_data = img.image_quality(quality=quality)
if rec.raw:
rec.raw = image_data
else:
rec.datas = base64.b64encode(image_data)
if record.destination_format:
base = os.path.splitext(rec.name)[0]
rec.name = base + dict(record._fields['destination_format'].selection).get(record.destination_format)