87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
# Copyright 2017 Akretion (http://www.akretion.com).
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# @author Sébastien BEAU <sebastien.beau@akretion.com>
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# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
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import base64
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import logging
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import requests
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from odoo import api, fields, models
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from odoo.tools import ImageProcess
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_logger = logging.getLogger(__name__)
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class StorageThumbnail(models.Model):
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_name = "storage.thumbnail"
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_description = "Storage Thumbnail"
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_inherits = {"storage.file": "file_id"}
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_default_file_type = "thumbnail"
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size_x = fields.Integer("X size")
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size_y = fields.Integer("Y size")
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url_key = fields.Char(
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"Url key", help="Specific URL key for generating the url of the image"
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)
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file_id = fields.Many2one("storage.file", "File", required=True, ondelete="cascade")
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res_model = fields.Char(readonly=False, index=True)
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res_id = fields.Integer(readonly=False, index=True)
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def _prepare_thumbnail(self, image, size_x, size_y, url_key):
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image_resize_format = (
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self.env["ir.config_parameter"]
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.sudo()
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.get_param("storage.image.resize.format")
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)
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if image_resize_format:
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extension = image_resize_format
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else:
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extension = image.extension
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return {
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"data": self._resize(image, size_x, size_y, extension),
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"res_model": image._name,
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"res_id": image.id,
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"name": "%s_%s_%s%s"
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% (url_key or image.filename, size_x, size_y, extension),
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"size_x": size_x,
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"size_y": size_y,
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"url_key": url_key,
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}
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def _resize(self, image, size_x, size_y, fmt):
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image_resize_server = (
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self.env["ir.config_parameter"]
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.sudo()
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.get_param("storage.image.resize.server")
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)
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if image_resize_server and image.backend_id.served_by != "odoo":
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values = {"url": image.url, "width": size_x, "height": size_y, "fmt": fmt}
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url = image_resize_server.format(**values)
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return base64.encodebytes(requests.get(url).content)
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image_process = ImageProcess(image.data)
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return image_process.resize(max_width=size_x, max_height=size_y).image_base64()
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def _get_default_backend_id(self):
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"""Choose the correct backend.
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By default : it's the one configured as ir.config_parameter
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Overload this method if you need something more powerfull
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"""
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return self.env["storage.backend"]._get_backend_id_from_param(
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self.env, "storage.thumbnail.backend_id"
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)
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@api.model
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def create(self, vals):
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vals["file_type"] = self._default_file_type
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if "backend_id" not in vals:
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vals["backend_id"] = self._get_default_backend_id()
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return super().create(vals)
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def unlink(self):
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files = self.mapped("file_id")
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result = super().unlink()
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files.unlink()
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return result
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