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from flask import Blueprint, flash, redirect, render_template, url_for
from flask_babel import gettext
from flask_login import current_user, login_required
from newspipe.controllers import ArticleController, CategoryController, FeedController
from newspipe.lib.utils import redirect_url
from newspipe.web.forms import CategoryForm
from newspipe.web.lib.view_utils import etag_match
categories_bp = Blueprint("categories", __name__, url_prefix="/categories")
category_bp = Blueprint("category", __name__, url_prefix="/category")
@categories_bp.route("/", methods=["GET"])
@login_required
@etag_match
def list_():
"Lists the subscribed feeds in a table."
art_contr = ArticleController(current_user.id)
return render_template(
"categories.html",
categories=list(CategoryController(current_user.id).read().order_by("name")),
feeds_count=FeedController(current_user.id).count_by_category(),
unread_article_count=art_contr.count_by_category(readed=False),
article_count=art_contr.count_by_category(),
)
@category_bp.route("/create", methods=["GET"])
@category_bp.route("/edit/<int:category_id>", methods=["GET"])
@login_required
@etag_match
def form(category_id=None):
action = gettext("Add a category")
head_titles = [action]
form = CategoryForm()
form.set_feed_choices(FeedController(current_user.id).read())
if category_id is None:
return render_template(
"edit_category.html",
action=action,
head_titles=head_titles,
form=form,
)
category = CategoryController(current_user.id).get(id=category_id)
action = gettext("Edit category")
head_titles = [action]
if category.name:
head_titles.append(category.name)
form = CategoryForm(obj=category)
form.set_feed_choices(FeedController(current_user.id).read())
form.feeds.data = [feed.id for feed in category.feeds]
return render_template(
"edit_category.html",
action=action,
head_titles=head_titles,
category=category,
form=form,
)
@category_bp.route("/create", methods=["POST"])
@category_bp.route("/edit/<int:category_id>", methods=["POST"])
@login_required
def process_form(category_id=None):
form = CategoryForm()
form.set_feed_choices(FeedController(current_user.id).read())
cat_contr = CategoryController(current_user.id)
feed_contr = FeedController(current_user.id)
if not form.validate():
return render_template("edit_category.html", form=form)
existing_cats = list(cat_contr.read(name=form.name.data))
if existing_cats and category_id is None:
flash(gettext("Couldn't add category: already exists."), "warning")
return redirect(url_for("category.form", category_id=existing_cats[0].id))
# Edit an existing category
category_attr = {"name": form.name.data}
if category_id is not None:
cat_contr.update({"id": category_id}, category_attr)
# Update the relation with feeds
for feed_id in form.feeds.data:
feed_contr.update({"id": feed_id}, {"category_id": category_id})
for feed in current_user.feeds:
if feed.category_id == category_id and feed.id not in form.feeds.data:
feed_contr.update({"id": feed.id}, {"category_id": None})
flash(
gettext(
"Category %(cat_name)r successfully updated.",
cat_name=category_attr["name"],
),
"success",
)
return redirect(url_for("category.form", category_id=category_id))
# Create a new category
new_category = cat_contr.create(**category_attr)
# Update the relation with feeds
for feed_id in form.feeds.data:
feed_contr.update({"id": feed_id}, {"category_id": new_category.id})
flash(
gettext(
"Category %(category_name)r successfully created.",
category_name=new_category.name,
),
"success",
)
return redirect(url_for("category.form", category_id=new_category.id))
@category_bp.route("/delete/<int:category_id>", methods=["GET"])
@login_required
def delete(category_id=None):
category = CategoryController(current_user.id).delete(category_id)
flash(
gettext(
"Category %(category_name)s successfully deleted.",
category_name=category.name,
),
"success",
)
return redirect(redirect_url())
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