portal: refactor origin views into module

app/portal/util.py

@@ -0,0 +1,38 @@
+from flask import Response, render_template, flash, redirect, url_for
+
+from app import db
+from app.models import AbstractResource
+from app.portal.forms import LifecycleForm
+
+
+def response_404(message: str):
+    return Response(render_template("error.html.j2",
+                                    header="404 Not Found",
+                                    message=message))
+
+
+def view_lifecycle(*,
+                   header: str,
+                   message: str,
+                   success_message: str,
+                   success_view: str,
+                   section: str,
+                   resource: AbstractResource,
+                   action: str):
+    form = LifecycleForm()
+    if form.validate_on_submit():
+        if action == "destroy":
+            resource.destroy()
+        elif action == "deprecate":
+            resource.deprecate(reason="manual")
+        else:
+            flash("Unknown action")
+            return redirect(url_for("portal.portal_home"))
+        db.session.commit()
+        flash(success_message, "success")
+        return redirect(url_for(success_view))
+    return render_template("lifecycle.html.j2",
+                           header=header,
+                           message=message,
+                           section=section,
+                           form=form)