contentdb/app/blueprints/metapackages/__init__.py

65 lines
2.2 KiB
Python

# ContentDB
# Copyright (C) 2018-21 rubenwardy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from flask import *
from sqlalchemy import func
from app.models import MetaPackage, Package, db, Dependency, PackageState, ForumTopic
bp = Blueprint("metapackages", __name__)
@bp.route("/metapackages/")
def list_all():
mpackages = db.session.query(MetaPackage, func.count(Package.id)) \
.select_from(MetaPackage).outerjoin(MetaPackage.packages) \
.order_by(db.asc(MetaPackage.name)) \
.group_by(MetaPackage.id).all()
return render_template("metapackages/list.html", mpackages=mpackages)
@bp.route("/metapackages/<name>/")
def view(name):
mpackage = MetaPackage.query.filter_by(name=name).first()
if mpackage is None:
abort(404)
dependers = db.session.query(Package) \
.select_from(MetaPackage) \
.filter(MetaPackage.name==name) \
.join(MetaPackage.dependencies) \
.join(Dependency.depender) \
.filter(Dependency.optional==False, Package.state==PackageState.APPROVED) \
.all()
optional_dependers = db.session.query(Package) \
.select_from(MetaPackage) \
.filter(MetaPackage.name==name) \
.join(MetaPackage.dependencies) \
.join(Dependency.depender) \
.filter(Dependency.optional==True, Package.state==PackageState.APPROVED) \
.all()
similar_topics = ForumTopic.query \
.filter_by(name=name) \
.filter(~ db.exists().where(Package.forums == ForumTopic.topic_id)) \
.order_by(db.asc(ForumTopic.name), db.asc(ForumTopic.title)) \
.all()
return render_template("metapackages/view.html", mpackage=mpackage,
dependers=dependers, optional_dependers=optional_dependers,
similar_topics=similar_topics)