ScoDoc/app/scodoc/sco_config_actions.py

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# -*- mode: python -*-
# -*- coding: utf-8 -*-
##############################################################################
#
# ScoDoc
#
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# Copyright (c) 1999 - 2022 Emmanuel Viennet. All rights reserved.
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#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Emmanuel Viennet emmanuel.viennet@viennet.net
#
##############################################################################
"""
"""
from app.models import ScoDocSiteConfig
from app.scodoc.sco_logos import write_logo, find_logo, delete_logo
import app
from flask import current_app
class Action:
"""Base class for all classes describing an action from from config form."""
def __init__(self, message, parameters):
self.message = message
self.parameters = parameters
@staticmethod
def build_action(parameters, stream=None):
"""Check (from parameters) if some action has to be done and
then return list of action (or else return empty list)."""
raise NotImplementedError
def display(self):
"""return a str describing the action to be done"""
return self.message.format_map(self.parameters)
def execute(self):
"""Executes the action"""
raise NotImplementedError
GLOBAL = "_"
class LogoUpdate(Action):
"""Action: change a logo
dept_id: dept_id or '_',
logo_id: logo_id,
upload: image file replacement
"""
def __init__(self, parameters):
super().__init__(
f"Modification du logo {parameters['logo_id']} pour le département {parameters['dept_id']}",
parameters,
)
@staticmethod
def build_action(parameters):
dept_id = parameters["dept_key"]
if dept_id == GLOBAL:
dept_id = None
parameters["dept_id"] = dept_id
if parameters["upload"] is not None:
return LogoUpdate(parameters)
return None
def execute(self):
current_app.logger.info(self.message)
write_logo(
stream=self.parameters["upload"],
dept_id=self.parameters["dept_id"],
name=self.parameters["logo_id"],
)
class LogoDelete(Action):
"""Action: Delete an existing logo
dept_id: dept_id or '_',
logo_id: logo_id
"""
def __init__(self, parameters):
super().__init__(
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f"Suppression du logo {parameters['logo_id']} pour le département {parameters['dept_id'] or 'tous'}.",
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parameters,
)
@staticmethod
def build_action(parameters):
parameters["dept_id"] = parameters["dept_key"]
if parameters["dept_key"] == GLOBAL:
parameters["dept_id"] = None
if parameters["do_delete"]:
return LogoDelete(parameters)
return None
def execute(self):
current_app.logger.info(self.message)
delete_logo(name=self.parameters["logo_id"], dept_id=self.parameters["dept_id"])
class LogoInsert(Action):
"""Action: add a new logo
dept_key: dept_id or '_',
logo_id: logo_id,
upload: image file replacement
"""
def __init__(self, parameters):
super().__init__(
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f"Ajout du logo {parameters['name']} pour le département {parameters['dept_key']} ({parameters['upload'].filename}).",
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parameters,
)
@staticmethod
def build_action(parameters):
if parameters["dept_key"] == GLOBAL:
parameters["dept_id"] = None
if parameters["upload"] and parameters["name"]:
logo = find_logo(
logoname=parameters["name"], dept_id=parameters["dept_key"], strict=True
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)
if logo is None:
return LogoInsert(parameters)
return None
def execute(self):
dept_id = self.parameters["dept_key"]
if dept_id == GLOBAL:
dept_id = None
current_app.logger.info(self.message)
write_logo(
stream=self.parameters["upload"],
name=self.parameters["name"],
dept_id=dept_id,
)