Implemented phase 6 for the POC prototype in the Website service.

Services/Website/Sources/Library/Internal/Pages/SearchPage.swift

@@ -137,16 +137,27 @@ extension SearchPage: Page {
                         if listings.isEmpty {
                             div(.class("empty")) {
                                 h2(.class("type-panel")) {
-                                    "No listings match"
+                                    parameters.value(.query).map { "Nothing for “\($0)”" } ?? "No listings match"
                                 }
                                 p(.class("type-body-sm")) {
-                                    "Try fewer filters, or let listings ship from anywhere."
+                                    "Nothing listed meets that right now. Clear the filters — listings outside the EU are left out by default — or ask to be told when a copy appears."
                                 }
-                                a(
-                                    .class("button button--outline"),
-                                    .href(SearchParameters().setting(.shipsFrom, to: "anywhere").path(Self.path))
-                                ) {
-                                    "Clear all filters"
+                                div(.class("empty__actions")) {
+                                    if let query = parameters.value(.query) {
+                                        a(
+                                            .class("button button--primary"),
+                                            .href(.Route.newWant(title: query))
+                                        ) {
+                                            Icon(.bell, size: 16)
+                                            "Alert me"
+                                        }
+                                    }
+                                    a(
+                                        .class("button button--outline"),
+                                        .href(SearchParameters().setting(.shipsFrom, to: "anywhere").path(Self.path))
+                                    ) {
+                                        "Clear all filters"
+                                    }
                                 }
                             }
                         } else {
@@ -268,6 +279,7 @@ private extension SearchPage {
                     span(.class("type-small")) {
                         "Outside the EU, import VAT may apply."
                     }
+                    checkbox(.pickup, value: parameters.value(.pickup) ?? SearchParameters.anyEvent, label: "Pickup at an event")
                 }
                 group("Key issues") {
                     checkbox(.keys, value: "1", label: "Key issues only")