442 lines
15 KiB
Python
442 lines
15 KiB
Python
# -*- mode: python -*-
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# -*- coding: utf-8 -*-
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##############################################################################
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#
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# ScoDoc
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#
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# Copyright (c) 1999 - 2022 Emmanuel Viennet. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Emmanuel Viennet emmanuel.viennet@viennet.net
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#
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##############################################################################
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"""
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Formulaires configuration logos
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Contrib @jmp, dec 21
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"""
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from flask import flash, url_for, redirect, render_template
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from flask_wtf import FlaskForm
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from flask_wtf.file import FileField, FileAllowed
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from wtforms import SubmitField, FormField, validators, FieldList
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from wtforms import ValidationError
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from wtforms.fields.simple import StringField, HiddenField
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from app.models import Departement
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from app.scodoc import sco_logos, html_sco_header
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from app.scodoc import sco_utils as scu
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from app.scodoc.sco_config_actions import LogoInsert
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from app.scodoc.sco_exceptions import ScoValueError
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from app.scodoc.sco_logos import find_logo
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JAVASCRIPTS = html_sco_header.BOOTSTRAP_MULTISELECT_JS + []
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CSSSTYLES = html_sco_header.BOOTSTRAP_MULTISELECT_CSS
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# class ItemForm(FlaskForm):
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# """Unused Generic class to document common behavior for classes
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# * ScoConfigurationForm
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# * DeptForm
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# * LogoForm
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# Some or all of these implements:
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# * Composite design pattern (ScoConfigurationForm and DeptForm)
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# - a FieldList(FormField(ItemForm))
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# - FieldListItem are created by browsing the model
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# - index dictionnary to provide direct access to a SubItemForm
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# - the direct access method (get_form)
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# * have some information added to be displayed
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# - information are collected from a model object
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# Common methods:
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# * build(model) (not for LogoForm who has no child)
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# for each child:
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# * create en entry in the FieldList for each subitem found
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# * update self.index
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# * fill_in additional information into the form
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# * recursively calls build for each chid
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# some spécific information may be added after standard processing
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# (typically header/footer description)
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# * preview(data)
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# check the data from a post and build a list of operations that has to be done.
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# for a two phase process:
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# * phase 1 (list all opérations)
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# * phase 2 (may be confirmation and execure)
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# - if no op found: return to the form with a message 'Aucune modification trouvée'
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# - only one operation found: execute and go to main page
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# - more than 1 operation found. asked form confirmation (and execution if confirmed)
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#
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# Someday we'll have time to refactor as abstract classes but Abstract FieldList makes this
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# a bit complicated
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# """
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# Terminology:
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# dept_id : identifies a dept in modele (= list_logos()). None designates globals logos
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# dept_key : identifies a dept in this form only (..index[dept_key], and fields 'dept_key').
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# 'GLOBAL' designates globals logos (we need a string value to set up HiddenField
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GLOBAL = "_"
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def dept_id_to_key(dept_id):
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if dept_id is None:
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return GLOBAL
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return dept_id
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def dept_key_to_id(dept_key):
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if dept_key == GLOBAL:
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return None
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return dept_key
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def logo_name_validator(message=None):
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def validate_logo_name(form, field):
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name = field.data if field.data else ""
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if "." in name:
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raise ValidationError(message)
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if not scu.is_valid_filename(name):
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raise ValidationError(message)
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return validate_logo_name
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class AddLogoForm(FlaskForm):
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"""Formulaire permettant l'ajout d'un logo (dans un département)"""
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from app.scodoc.sco_config_actions import LogoInsert
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dept_key = HiddenField()
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name = StringField(
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label="Nom",
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validators=[
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logo_name_validator("Nom de logo invalide (alphanumérique, _)"),
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validators.Length(
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max=20, message="Un nom ne doit pas dépasser 20 caractères"
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),
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validators.DataRequired("Nom de logo requis (alphanumériques ou '-')"),
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],
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)
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upload = FileField(
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label="Sélectionner l'image",
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validators=[
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FileAllowed(
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scu.LOGOS_IMAGES_ALLOWED_TYPES,
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f"n'accepte que les fichiers image {', '.join(scu.LOGOS_IMAGES_ALLOWED_TYPES)}",
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),
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validators.DataRequired("Fichier image manquant"),
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],
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)
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do_insert = SubmitField("ajouter une image")
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def __init__(self, *args, **kwargs):
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kwargs["meta"] = {"csrf": False}
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super().__init__(*args, **kwargs)
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def validate_name(self, name):
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dept_id = dept_key_to_id(self.dept_key.data)
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if dept_id == GLOBAL:
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dept_id = None
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if find_logo(logoname=name.data, dept_id=dept_id, strict=True) is not None:
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raise validators.ValidationError("Un logo de même nom existe déjà")
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def select_action(self):
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if self.data["do_insert"]:
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if self.validate():
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return LogoInsert.build_action(self.data)
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return None
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def opened(self):
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if self.do_insert.data:
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if self.name.errors:
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return "open"
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if self.upload.errors:
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return "open"
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return ""
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class LogoForm(FlaskForm):
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"""Embed both presentation of a logo (cf. template file configuration.html)
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and all its data and UI action (change, delete)"""
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dept_key = HiddenField()
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logo_id = HiddenField()
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upload = FileField(
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label="Remplacer l'image",
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validators=[
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FileAllowed(
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scu.LOGOS_IMAGES_ALLOWED_TYPES,
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f"n'accepte que les fichiers image {', '.join(scu.LOGOS_IMAGES_ALLOWED_TYPES)}",
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)
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],
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)
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do_delete = SubmitField("Supprimer")
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do_rename = SubmitField("Renommer")
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new_name = StringField(
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label="Nom",
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validators=[
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logo_name_validator("Nom de logo invalide (alphanumérique, _)"),
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validators.Length(
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max=20, message="Un nom ne doit pas dépasser 20 caractères"
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),
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validators.DataRequired("Nom de logo requis (alphanumériques ou '-')"),
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],
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)
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def __init__(self, *args, **kwargs):
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kwargs["meta"] = {"csrf": False}
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super().__init__(*args, **kwargs)
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logo = find_logo(
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logoname=self.logo_id.data, dept_id=dept_key_to_id(self.dept_key.data)
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)
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if logo is None:
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raise ScoValueError("logo introuvable")
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self.logo = logo.select()
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self.description = None
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self.titre = None
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self.can_delete = True
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if self.dept_key.data == GLOBAL:
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if self.logo_id.data == "header":
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self.can_delete = False
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self.description = ""
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self.titre = "Logo en-tête"
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if self.logo_id.data == "footer":
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self.can_delete = False
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self.titre = "Logo pied de page"
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self.description = ""
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else:
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if self.logo_id.data == "header":
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self.description = "Se substitue au header défini au niveau global"
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self.titre = "Logo en-tête"
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if self.logo_id.data == "footer":
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self.description = "Se substitue au footer défini au niveau global"
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self.titre = "Logo pied de page"
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def select_action(self):
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from app.scodoc.sco_config_actions import LogoRename
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from app.scodoc.sco_config_actions import LogoUpdate
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from app.scodoc.sco_config_actions import LogoDelete
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if self.do_delete.data and self.can_delete:
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return LogoDelete.build_action(self.data)
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if self.upload.data and self.validate():
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return LogoUpdate.build_action(self.data)
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if self.do_rename.data and self.validate():
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return LogoRename.build_action(self.data)
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return None
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def opened(self):
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if self.upload.data and self.upload.errors:
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return "open"
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if self.new_name.data and self.new_name.errors:
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return "open"
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return ""
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class DeptForm(FlaskForm):
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dept_key = HiddenField()
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dept_name = HiddenField()
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add_logo = FormField(AddLogoForm)
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logos = FieldList(FormField(LogoForm))
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def __init__(self, *args, **kwargs):
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kwargs["meta"] = {"csrf": False}
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super().__init__(*args, **kwargs)
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def is_local(self):
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if self.dept_key.data == GLOBAL:
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return None
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return True
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def select_action(self):
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action = self.add_logo.form.select_action()
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if action:
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return action
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for logo_entry in self.logos.entries:
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logo_form = logo_entry.form
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action = logo_form.select_action()
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if action:
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return action
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return None
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def get_form(self, logoname=None):
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"""Retourne le formulaire associé à un logo. None si pas trouvé"""
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if logoname is None: # recherche de département
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return self
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return self.index.get(logoname, None)
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def opened(self):
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if self.add_logo.opened():
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return "open"
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for logo_form in self.logos:
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if logo_form.opened():
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return "open"
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return ""
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def count(self):
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compte = len(self.logos.entries)
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if compte == 0:
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return "vide"
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elif compte == 1:
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return "1 élément"
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else:
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return f"{compte} éléments"
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def _make_dept_id_name():
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"""Cette section assure que tous les départements sont traités (y compris ceux qu'ont pas de logo au départ)
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et détermine l'ordre d'affichage des DeptForm (GLOBAL d'abord, puis par ordre alpha de nom de département)
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-> [ (None, None), (dept_id, dept_name)... ]"""
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depts = [(None, GLOBAL)]
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for dept in (
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Departement.query.filter_by(visible=True).order_by(Departement.acronym).all()
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):
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depts.append((dept.id, dept.acronym))
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return depts
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def _ordered_logos(modele):
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"""sort logoname alphabetically but header and footer moved at start. (since there is no space in logoname)"""
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def sort(name):
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if name == "header":
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return " 0"
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if name == "footer":
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return " 1"
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return name
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order = sorted(modele.keys(), key=sort)
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return order
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def _make_dept_data(dept_id, dept_name, modele):
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dept_key = dept_id_to_key(dept_id)
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data = {
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"dept_key": dept_key,
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"dept_name": dept_name,
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"add_logo": {"dept_key": dept_key},
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}
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logos = []
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if modele is not None:
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for name in _ordered_logos(modele):
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logos.append({"dept_key": dept_key, "logo_id": name})
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data["logos"] = logos
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return data
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def _make_depts_data(modele):
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data = []
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for dept_id, dept_name in _make_dept_id_name():
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data.append(
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_make_dept_data(
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dept_id=dept_id, dept_name=dept_name, modele=modele.get(dept_id, None)
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)
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)
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return data
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def _make_data(modele):
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data = {
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"depts": _make_depts_data(modele=modele),
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}
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return data
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class LogosConfigurationForm(FlaskForm):
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"Panneau de configuration des logos"
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depts = FieldList(FormField(DeptForm))
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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# def _set_global_logos_infos(self):
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# "specific processing for globals items"
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# global_header = self.get_form(logoname="header")
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# global_header.description = (
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# "image placée en haut de certains documents documents PDF."
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# )
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# global_header.titre = "Logo en-tête"
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# global_header.can_delete = False
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# global_footer = self.get_form(logoname="footer")
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# global_footer.description = (
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# "image placée en pied de page de certains documents documents PDF."
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# )
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# global_footer.titre = "Logo pied de page"
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# global_footer.can_delete = False
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# def _build_dept(self, dept_id, dept_name, modele):
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# dept_key = dept_id or GLOBAL
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# data = {"dept_key": dept_key}
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# entry = self.depts.append_entry(data)
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# entry.form.build(dept_name, modele.get(dept_id, {}))
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# self.index[str(dept_key)] = entry.form
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# def build(self, modele):
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# "Build the Form hierachy (DeptForm, LogoForm) and add extra data (from modele)"
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# # if entries already initialized (POST). keep subforms
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# self.index = {}
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# # create entries in FieldList (one entry per dept
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# for dept_id, dept_name in self.dept_id_name:
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# self._build_dept(dept_id=dept_id, dept_name=dept_name, modele=modele)
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# self._set_global_logos_infos()
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def get_form(self, dept_key=GLOBAL, logoname=None):
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"""Retourne un formulaire:
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* pour un département (get_form(dept_id)) ou à un logo (get_form(dept_id, logname))
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* propre à un département (get_form(dept_id, logoname) ou global (get_form(logoname))
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retourne None si le formulaire cherché ne peut être trouvé
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"""
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dept_form = self.index.get(dept_key, None)
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if dept_form is None: # département non trouvé
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return None
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return dept_form.get_form(logoname)
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def select_action(self):
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for dept_entry in self.depts:
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dept_form = dept_entry.form
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action = dept_form.select_action()
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if action:
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return action
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return None
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def config_logos():
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"Page de configuration des logos"
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# nb: le contrôle d'accès (SuperAdmin) doit être fait dans la vue
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form = LogosConfigurationForm(
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data=_make_data(
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modele=sco_logos.list_logos(),
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)
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)
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if form.is_submitted():
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action = form.select_action()
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if action:
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action.execute()
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flash(action.message)
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return redirect(url_for("scodoc.configure_logos"))
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else:
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if not form.validate():
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scu.flash_errors(form)
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return render_template(
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"config_logos.html",
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scodoc_dept=None,
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title="Configuration ScoDoc",
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form=form,
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)
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