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117 lines
3.8 KiB
Python
117 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2014-2019 Virtual Cable S.L.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of Virtual Cable S.L.U. nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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@Author: Adolfo Gómez, dkmaster at dkmon dot com
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"""
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import dataclasses
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import logging
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import typing
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from django.utils.translation import gettext_lazy as _
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from django.db import models
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from uds.models import Image
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from uds.core import types
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from uds.core.util import ensure, ui as ui_utils
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from uds.REST.model import ModelHandler
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logger = logging.getLogger(__name__)
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# Enclosed methods under /item path
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@dataclasses.dataclass
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class ImageItem(types.rest.BaseRestItem):
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id: str
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name: str
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data: str = ''
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size: str = ''
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thumb: str = ''
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class Images(ModelHandler[ImageItem]):
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"""
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Handles the gallery REST interface
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"""
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PATH = 'gallery'
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MODEL = Image
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FIELDS_TO_SAVE = ['name', 'data']
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TABLE = (
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ui_utils.TableBuilder(_('Image Gallery'))
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.image('thumb', _('Image'), width='96px')
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.text_column('name', _('Name'))
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.text_column('size', _('Size'))
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.build()
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)
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def pre_save(self, fields: dict[str, typing.Any]) -> None:
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fields['image'] = fields['data']
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del fields['data']
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# fields['data'] = Image.prepareForDb(Image.decode64(fields['data']))[2]
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def post_save(self, item: 'models.Model') -> None:
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item = ensure.is_instance(item, Image)
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# Updates the thumbnail and re-saves it
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logger.debug('After save: item = %s', item)
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# item.updateThumbnail()
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# item.save()
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# Note:
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# This has no get_gui because its treated on the admin or client.
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# We expect an Image List
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# Rest api related information to complete the auto-generated API
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REST_API_INFO = types.rest.api.RestApiInfo(
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typed=types.rest.api.RestApiInfoGuiType.UNTYPED,
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)
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def get_item(self, item: 'models.Model') -> ImageItem:
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item = ensure.is_instance(item, Image)
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return ImageItem(
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id=item.uuid,
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name=item.name,
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data=item.data64,
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)
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def get_item_summary(self, item: 'models.Model') -> ImageItem:
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item = ensure.is_instance(item, Image)
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return ImageItem(
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id=item.uuid,
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size='{}x{}, {} bytes (thumb {} bytes)'.format(
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item.width, item.height, len(item.data), len(item.thumb)
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),
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name=item.name,
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thumb=item.thumb64,
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)
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