import logging import flask from flask import Blueprint, request, url_for from flask.views import View from flask_login import current_user, login_required from requests.exceptions import ConnectionError from ereuse_devicehub import __version__, messages from ereuse_devicehub.labels.forms import PrintLabelsForm, TagForm, TagUnnamedForm from ereuse_devicehub.resources.lot.models import Lot, ShareLot from ereuse_devicehub.resources.tag.model import Tag labels = Blueprint('labels', __name__, url_prefix='/labels') logger = logging.getLogger(__name__) class TagListView(View): methods = ['GET'] decorators = [login_required] template_name = 'labels/label_list.html' def dispatch_request(self): lots = Lot.query.filter(Lot.owner_id == current_user.id) share_lots = ShareLot.query.filter_by(user_to_id=current_user.id) tags = Tag.query.filter(Tag.owner_id == current_user.id).order_by( Tag.created.desc() ) context = { 'lots': lots, 'tags': tags, 'page_title': 'Unique Identifiers Management', 'version': __version__, 'share_lots': share_lots, } return flask.render_template(self.template_name, **context) class TagAddView(View): methods = ['GET', 'POST'] decorators = [login_required] template_name = 'labels/tag_create.html' def dispatch_request(self): lots = Lot.query.filter(Lot.owner_id == current_user.id) share_lots = ShareLot.query.filter_by(user_to_id=current_user.id) context = { 'page_title': 'New Tag', 'lots': lots, 'version': __version__, 'share_lots': share_lots, } form = TagForm() if form.validate_on_submit(): form.save() next_url = url_for('labels.label_list') return flask.redirect(next_url) return flask.render_template(self.template_name, form=form, **context) class TagAddUnnamedView(View): methods = ['GET', 'POST'] decorators = [login_required] template_name = 'labels/tag_create_unnamed.html' def dispatch_request(self): lots = Lot.query.filter(Lot.owner_id == current_user.id) share_lots = ShareLot.query.filter_by(user_to_id=current_user.id) context = { 'page_title': 'New Unnamed Tag', 'lots': lots, 'version': __version__, 'share_lots': share_lots, } form = TagUnnamedForm() if form.validate_on_submit(): try: form.save() except ConnectionError as e: logger.error( "Error while trying to connect to tag server: {}".format(e) ) msg = ( "Sorry, we cannot create the unnamed tags requested because " "some error happens while connecting to the tag server!" ) messages.error(msg) next_url = url_for('labels.label_list') return flask.redirect(next_url) return flask.render_template(self.template_name, form=form, **context) class PrintLabelsView(View): """This View is used to print labels from multiple devices""" methods = ['POST', 'GET'] decorators = [login_required] template_name = 'labels/print_labels.html' title = 'Design and implementation of labels' def dispatch_request(self): lots = Lot.query.filter(Lot.owner_id == current_user.id) share_lots = ShareLot.query.filter_by(user_to_id=current_user.id) context = { 'lots': lots, 'page_title': self.title, 'version': __version__, 'referrer': request.referrer, 'share_lots': share_lots, } form = PrintLabelsForm() if form.validate_on_submit(): context['form'] = form context['devices'] = form._devices return flask.render_template(self.template_name, **context) else: messages.error('Error you need select one or more devices') next_url = request.referrer or url_for('inventory.devicelist') return flask.redirect(next_url) class LabelDetailView(View): """This View is used to print labels from multiple devices""" methods = ['POST', 'GET'] decorators = [login_required] template_name = 'labels/print_labels.html' title = 'Design and implementation of labels' def dispatch_request(self, id): lots = Lot.query.filter(Lot.owner_id == current_user.id) share_lots = ShareLot.query.filter_by(user_to_id=current_user.id) tag = ( Tag.query.filter(Tag.owner_id == current_user.id).filter(Tag.id == id).one() ) context = { 'lots': lots, 'page_title': self.title, 'version': __version__, 'referrer': request.referrer, 'share_lots': share_lots, } devices = [] if tag.device: form = PrintLabelsForm(devices=str(tag.device.id)) devices = [tag.device] else: form = PrintLabelsForm() form._devices = devices context['form'] = form context['devices'] = devices return flask.render_template(self.template_name, **context) labels.add_url_rule('/', view_func=TagListView.as_view('label_list')) labels.add_url_rule('/add/', view_func=TagAddView.as_view('tag_add')) labels.add_url_rule( '/unnamed/add/', view_func=TagAddUnnamedView.as_view('tag_unnamed_add') ) labels.add_url_rule( '/print', view_func=PrintLabelsView.as_view('print_labels'), ) labels.add_url_rule('//', view_func=LabelDetailView.as_view('label_details'))