portal: refactor bridges views into modules

app/portal/bridgeconf.py

@@ -0,0 +1,122 @@
+from datetime import datetime
+
+from flask import render_template, url_for, flash, redirect, Response, Blueprint
+from flask_wtf import FlaskForm
+from sqlalchemy import exc
+from wtforms import SelectField, StringField, IntegerField, SubmitField
+from wtforms.validators import DataRequired, NumberRange
+
+from app.extensions import db
+from app.models.base import Group
+from app.models.bridges import BridgeConf
+from app.portal.util import response_404, view_lifecycle
+
+bp = Blueprint("bridgeconf", __name__)
+
+
+class NewBridgeConfForm(FlaskForm):
+    provider = SelectField('Provider', validators=[DataRequired()])
+    method = SelectField('Distribution Method', validators=[DataRequired()])
+    description = StringField('Description')
+    group = SelectField('Group', validators=[DataRequired()])
+    number = IntegerField('Number', validators=[NumberRange(1, message="One or more bridges must be created")])
+    submit = SubmitField('Save Changes')
+
+
+class EditBridgeConfForm(FlaskForm):
+    description = StringField('Description')
+    number = IntegerField('Number', validators=[NumberRange(1, message="One or more bridges must be created")])
+    submit = SubmitField('Save Changes')
+
+
+@bp.route("/list")
+def bridgeconf_list():
+    bridgeconfs = BridgeConf.query.filter(BridgeConf.destroyed == None).all()
+    return render_template("list.html.j2",
+                           section="bridgeconf",
+                           title="Tor Bridge Configurations",
+                           item="bridge configuration",
+                           items=bridgeconfs,
+                           new_link=url_for("portal.bridgeconf.bridgeconf_new"))
+
+
+@bp.route("/new", methods=['GET', 'POST'])
+@bp.route("/new/<group_id>", methods=['GET', 'POST'])
+def bridgeconf_new(group_id=None):
+    form = NewBridgeConfForm()
+    form.group.choices = [(x.id, x.group_name) for x in Group.query.all()]
+    form.provider.choices = [
+        ("aws", "AWS Lightsail"),
+        ("hcloud", "Hetzner Cloud"),
+        ("ovh", "OVH Public Cloud"),
+        ("gandi", "GandiCloud VPS")
+    ]
+    form.method.choices = [
+        ("any", "Any (BridgeDB)"),
+        ("email", "E-Mail (BridgeDB)"),
+        ("moat", "Moat (BridgeDB)"),
+        ("https", "HTTPS (BridgeDB)"),
+        ("none", "None (Private)")
+    ]
+    if form.validate_on_submit():
+        bridge_conf = BridgeConf()
+        bridge_conf.group_id = form.group.data
+        bridge_conf.provider = form.provider.data
+        bridge_conf.method = form.method.data
+        bridge_conf.description = form.description.data
+        bridge_conf.number = form.number.data
+        bridge_conf.created = datetime.utcnow()
+        bridge_conf.updated = datetime.utcnow()
+        try:
+            db.session.add(bridge_conf)
+            db.session.commit()
+            flash(f"Created new bridge configuration {bridge_conf.id}.", "success")
+            return redirect(url_for("portal.bridgeconf.bridgeconf_list"))
+        except exc.SQLAlchemyError as e:
+            print(e)
+            flash("Failed to create new bridge configuration.", "danger")
+            return redirect(url_for("portal.bridgeconf.bridgeconf_list"))
+    if group_id:
+        form.group.data = group_id
+    return render_template("new.html.j2", section="bridgeconf", form=form)
+
+
+@bp.route('/edit/<bridgeconf_id>', methods=['GET', 'POST'])
+def bridgeconf_edit(bridgeconf_id):
+    bridgeconf = BridgeConf.query.filter(BridgeConf.id == bridgeconf_id).first()
+    if bridgeconf is None:
+        return Response(render_template("error.html.j2",
+                                        section="bridge",
+                                        header="404 Bridge Configuration Not Found",
+                                        message="The requested bridge configuration could not be found."),
+                        status=404)
+    form = EditBridgeConfForm(description=bridgeconf.description,
+                              number=bridgeconf.number)
+    if form.validate_on_submit():
+        bridgeconf.description = form.description.data
+        bridgeconf.number = form.number.data
+        bridgeconf.updated = datetime.utcnow()
+        try:
+            db.session.commit()
+            flash("Saved changes to bridge configuration.", "success")
+        except exc.SQLAlchemyError:
+            flash("An error occurred saving the changes to the bridge configuration.", "danger")
+    return render_template("bridgeconf.html.j2",
+                           section="bridgeconf",
+                           bridgeconf=bridgeconf, form=form)
+
+
+@bp.route("/destroy/<bridgeconf_id>", methods=['GET', 'POST'])
+def bridgeconf_destroy(bridgeconf_id: int):
+    bridgeconf = BridgeConf.query.filter(BridgeConf.id == bridgeconf_id, BridgeConf.destroyed == None).first()
+    if bridgeconf is None:
+        return response_404("The requested bridge configuration could not be found.")
+    return view_lifecycle(
+        header=f"Destroy bridge configuration?",
+        message=bridgeconf.description,
+        success_view="portal.bridgeconf.bridgeconf_list",
+        success_message="All bridges from the destroyed configuration will shortly be destroyed at their providers.",
+        section="bridgeconf",
+        resource=bridgeconf,
+        action="destroy"
+    )