feat: add search and recent queries

Implements: https://todo.sr.ht/~ccleberg/hutch/47
Implements: https://todo.sr.ht/~ccleberg/hutch/48

2 files changed, 58 insertions, 5 deletions

diff --git a/Hutch/Views/Tickets/TicketListView.swift b/Hutch/Views/Tickets/TicketListView.swift
index bd2236c..d2548d7 100644
--- a/Hutch/Views/Tickets/TicketListView.swift
+++ b/Hutch/Views/Tickets/TicketListView.swift
@@ -328,8 +328,25 @@ struct TicketListView: View {
         .searchable(
             text: $vm.searchText,
             placement: .navigationBarDrawer(displayMode: .always),
-            prompt: "Search tickets"
+            prompt: "Search tickets in \(tracker.name)"
         )
+        .searchSuggestions {
+            if viewModel.searchText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+                RecentSearchSuggestions(
+                    title: "Recent Ticket Searches",
+                    entries: viewModel.recentSearches
+                ) { query in
+                    vm.searchText = query
+                } onClear: {
+                    viewModel.clearRecentSearches()
+                }
+            }
+        }
+        .onSubmit(of: .search) {
+            let query = viewModel.searchText.trimmingCharacters(in: .whitespacesAndNewlines)
+            guard !query.isEmpty else { return }
+            viewModel.recordRecentSearch(query)
+        }
         .overlay {
             if viewModel.isLoading, viewModel.tickets.isEmpty {
                 SRHTLoadingStateView(message: "Loading tickets…")
@@ -341,7 +358,11 @@ struct TicketListView: View {
                 )
             } else if !viewModel.searchText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty,
                       viewModel.filteredTickets.isEmpty {
-                ContentUnavailableView.search(text: viewModel.searchText)
+                ContentUnavailableView(
+                    "No Ticket Matches",
+                    systemImage: "magnifyingglass",
+                    description: Text("No tickets in \(tracker.name) matched “\(viewModel.searchText)”.")
+                )
             } else if viewModel.filteredTickets.isEmpty, viewModel.error == nil {
                 ContentUnavailableView(
                     "No Tickets",
diff --git a/Hutch/Views/Tickets/TicketListViewModel.swift b/Hutch/Views/Tickets/TicketListViewModel.swift
index a2e7135..e7cc565 100644
--- a/Hutch/Views/Tickets/TicketListViewModel.swift
+++ b/Hutch/Views/Tickets/TicketListViewModel.swift
@@ -74,6 +74,10 @@ enum TicketFilter: String, CaseIterable, Codable, Sendable {
 @Observable
 @MainActor
 final class TicketListViewModel {
+    private static func searchHistoryScopeID(for trackerRid: String) -> String {
+        "tickets.\(trackerRid)"
+    }
+
     let ownerUsername: String
     let trackerName: String
     let trackerId: Int
@@ -85,6 +89,7 @@ final class TicketListViewModel {
     private(set) var isCreatingTicket = false
     private(set) var isPerformingAction = false
     private(set) var trackerLabels: [TicketLabel] = []
+    private(set) var recentSearches: [ScopedSearchHistoryEntry]
     private(set) var savedFilters: [SavedTicketFilter]
     private(set) var isSelectionMode = false
     private(set) var selectedTicketIDs: Set<Int> = []
@@ -123,10 +128,15 @@ final class TicketListViewModel {
         self.defaults = defaults
 
         let restoredState = TicketSavedFilterStore.loadCurrentState(for: trackerRid, defaults: defaults)
+        let savedFilters = TicketSavedFilterStore.loadSavedFilters(for: trackerRid, defaults: defaults)
         self.filter = restoredState.status
         self.selectedLabelIDs = Set(restoredState.labelIDs)
-        self.savedFilters = TicketSavedFilterStore.loadSavedFilters(for: trackerRid, defaults: defaults)
-        self.activeSavedFilterID = self.savedFilters.first(where: { $0.state == restoredState })?.id
+        self.savedFilters = savedFilters
+        self.activeSavedFilterID = savedFilters.first(where: { $0.state == restoredState })?.id
+        self.recentSearches = ScopedSearchHistoryStore.load(
+            scopeID: Self.searchHistoryScopeID(for: trackerRid),
+            defaults: defaults
+        )
     }
 
     // MARK: - Query
@@ -505,6 +515,26 @@ final class TicketListViewModel {
         selectedLabelIDs = []
     }
 
+    func recordRecentSearch(_ query: String) {
+        ScopedSearchHistoryStore.record(
+            query: query,
+            scopeID: Self.searchHistoryScopeID(for: trackerRid),
+            defaults: defaults
+        )
+        recentSearches = ScopedSearchHistoryStore.load(
+            scopeID: Self.searchHistoryScopeID(for: trackerRid),
+            defaults: defaults
+        )
+    }
+
+    func clearRecentSearches() {
+        ScopedSearchHistoryStore.clear(
+            scopeID: Self.searchHistoryScopeID(for: trackerRid),
+            defaults: defaults
+        )
+        recentSearches = []
+    }
+
     func applySavedFilter(_ savedFilter: SavedTicketFilter) {
         filter = savedFilter.state.status
         selectedLabelIDs = Set(savedFilter.state.labelIDs)
@@ -938,7 +968,9 @@ final class TicketListViewModel {
             String($0.id).contains(q) ||
             $0.title.lowercased().contains(q) ||
             $0.submitter.canonicalName.lowercased().contains(q) ||
-            $0.labels.contains { $0.name.lowercased().contains(q) }
+            $0.labels.contains { $0.name.lowercased().contains(q) } ||
+            $0.assignees.contains { $0.canonicalName.lowercased().contains(q) } ||
+            $0.status.displayName.lowercased().contains(q)
         }
     }
 }