portal: refactor origin views into module

app/portal/origin.py

@@ -0,0 +1,111 @@
+from datetime import datetime
+
+from flask import flash, redirect, url_for, render_template, Response, Blueprint
+from flask_wtf import FlaskForm
+from sqlalchemy import exc
+from wtforms import StringField, SelectField, SubmitField, BooleanField
+from wtforms.validators import DataRequired
+
+from app.extensions import db
+from app.models.base import Group
+from app.models.mirrors import Origin
+from app.portal.util import response_404, view_lifecycle
+
+bp = Blueprint("origin", __name__)
+
+
+class NewOriginForm(FlaskForm):
+    domain_name = StringField('Domain Name', validators=[DataRequired()])
+    description = StringField('Description', validators=[DataRequired()])
+    group = SelectField('Group', validators=[DataRequired()])
+    auto_rotate = BooleanField("Enable auto-rotation?", default=True)
+    submit = SubmitField('Save Changes')
+
+
+class EditOriginForm(FlaskForm):
+    description = StringField('Description', validators=[DataRequired()])
+    group = SelectField('Group', validators=[DataRequired()])
+    auto_rotate = BooleanField("Enable auto-rotation?")
+    submit = SubmitField('Save Changes')
+
+
+@bp.route("/new", methods=['GET', 'POST'])
+@bp.route("/new/<group_id>", methods=['GET', 'POST'])
+def origin_new(group_id=None):
+    form = NewOriginForm()
+    form.group.choices = [(x.id, x.group_name) for x in Group.query.all()]
+    if form.validate_on_submit():
+        origin = Origin()
+        origin.group_id = form.group.data
+        origin.domain_name = form.domain_name.data
+        origin.description = form.description.data
+        origin.auto_rotation = form.auto_rotate.data
+        origin.created = datetime.utcnow()
+        origin.updated = datetime.utcnow()
+        try:
+            db.session.add(origin)
+            db.session.commit()
+            flash(f"Created new origin {origin.domain_name}.", "success")
+            return redirect(url_for("portal.origin.origin_edit", origin_id=origin.id))
+        except exc.SQLAlchemyError as e:
+            print(e)
+            flash("Failed to create new origin.", "danger")
+            return redirect(url_for("portal.origin.origin_list"))
+    if group_id:
+        form.group.data = group_id
+    return render_template("new.html.j2", section="origin", form=form)
+
+
+@bp.route('/edit/<origin_id>', methods=['GET', 'POST'])
+def origin_edit(origin_id):
+    origin = Origin.query.filter(Origin.id == origin_id).first()
+    if origin is None:
+        return Response(render_template("error.html.j2",
+                                        section="origin",
+                                        header="404 Origin Not Found",
+                                        message="The requested origin could not be found."),
+                        status=404)
+    form = EditOriginForm(group=origin.group_id,
+                          description=origin.description,
+                          auto_rotate=origin.auto_rotation)
+    form.group.choices = [(x.id, x.group_name) for x in Group.query.all()]
+    if form.validate_on_submit():
+        origin.group_id = form.group.data
+        origin.description = form.description.data
+        origin.auto_rotation = form.auto_rotate.data
+        origin.updated = datetime.utcnow()
+        try:
+            db.session.commit()
+            flash("Saved changes to group.", "success")
+        except exc.SQLAlchemyError:
+            flash("An error occurred saving the changes to the group.", "danger")
+    return render_template("origin.html.j2",
+                           section="origin",
+                           origin=origin, form=form)
+
+
+@bp.route("/list")
+def origin_list():
+    origins = Origin.query.order_by(Origin.domain_name).all()
+    return render_template("list.html.j2",
+                           section="origin",
+                           title="Origins",
+                           item="origin",
+                           new_link=url_for("portal.origin.origin_new"),
+                           items=origins)
+
+
+@bp.route("/destroy/<origin_id>", methods=['GET', 'POST'])
+def origin_destroy(origin_id: int):
+    origin = Origin.query.filter(Origin.id == origin_id, Origin.destroyed == None).first()
+    if origin is None:
+        return response_404("The requested origin could not be found.")
+    return view_lifecycle(
+        header=f"Destroy origin {origin.domain_name}",
+        message=origin.description,
+        success_message="All proxies from the destroyed origin will shortly be destroyed at their providers.",
+        success_view="portal.view_origins",
+        section="origin",
+        resource=origin,
+        action="destroy"
+    )