Add Languages editor to admin tools

app/blueprints/admin/languageseditor.py

@@ -0,0 +1,69 @@
+# ContentDB
+# Copyright (C) 2018-24 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 redirect, render_template, abort, url_for
+from flask_login import current_user
+from flask_wtf import FlaskForm
+from wtforms import StringField, TextAreaField, SubmitField
+from wtforms.validators import InputRequired, Length, Optional
+
+from app.models import db, AuditSeverity, UserRank, Language
+from app.utils import add_audit_log, rank_required
+from . import bp
+
+
+@bp.route("/admin/languages/")
+@rank_required(UserRank.ADMIN)
+def language_list():
+	return render_template("admin/languages/list.html", languages=Language.query.all())
+
+
+class LanguageForm(FlaskForm):
+	id = StringField("Id", [InputRequired(), Length(2, 10)])
+	title = TextAreaField("Title", [Optional(), Length(2, 100)])
+	submit = SubmitField("Save")
+
+
+@bp.route("/admin/languages/new/", methods=["GET", "POST"])
+@bp.route("/admin/languages/<id_>/edit/", methods=["GET", "POST"])
+@rank_required(UserRank.ADMIN)
+def create_edit_language(id_=None):
+	language = None
+	if id_ is not None:
+		language = Language.query.filter_by(id=id_).first()
+		if language is None:
+			abort(404)
+
+	form = LanguageForm(obj=language)
+	if form.validate_on_submit():
+		if language is None:
+			language = Language()
+			db.session.add(language)
+			form.populate_obj(language)
+
+			add_audit_log(AuditSeverity.EDITOR, current_user, f"Created language {language.id}",
+					url_for("admin.create_edit_language", id_=language.id))
+		else:
+			form.populate_obj(language)
+
+			add_audit_log(AuditSeverity.EDITOR, current_user, f"Edited language {language.id}",
+					url_for("admin.create_edit_language", id_=language.id))
+
+		db.session.commit()
+		return redirect(url_for("admin.create_edit_language", id_=language.id))
+
+	return render_template("admin/languages/edit.html", language=language, form=form)