iOS client for Grain
grain.social
ios
photography
atproto
feat: add StoryStatusCache for shared story status across views
Populated from getStoryAuthors API, injected via environment so all
views can check if a user has active stories.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
+27
-1
+2
Grain/GrainApp.swift
+2
Grain/GrainApp.swift
···
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@main
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struct GrainApp: App {
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@State private var authManager = AuthManager()
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@State private var storyStatusCache = StoryStatusCache()
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@State private var pendingDeepLink: DeepLink?
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var body: some Scene {
···
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if authManager.isAuthenticated {
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MainTabView(pendingDeepLink: $pendingDeepLink)
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.environment(authManager)
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.environment(storyStatusCache)
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.tint(Color("AccentColor"))
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} else {
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LoginView()
+23
Grain/ViewModels/StoryStatusCache.swift
+23
Grain/ViewModels/StoryStatusCache.swift
···
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+
import Foundation
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@Observable
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@MainActor
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final class StoryStatusCache {
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private(set) var authorsByDid: [String: GrainStoryAuthor] = [:]
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var didsWithStories: Set<String> {
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Set(authorsByDid.keys)
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}
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func hasStory(for did: String) -> Bool {
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authorsByDid[did] != nil
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}
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func author(for did: String) -> GrainStoryAuthor? {
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authorsByDid[did]
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}
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func update(from authors: [GrainStoryAuthor]) {
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authorsByDid = Dictionary(uniqueKeysWithValues: authors.map { ($0.profile.did, $0) })
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}
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}
+2
-1
Grain/ViewModels/StoryStripViewModel.swift
+2
-1
Grain/ViewModels/StoryStripViewModel.swift
···
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self.client = client
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}
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-
func load(auth: AuthContext? = nil) async {
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func load(auth: AuthContext? = nil, storyStatusCache: StoryStatusCache? = nil) async {
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isLoading = true
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do {
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let response = try await client.getStoryAuthors(auth: auth)
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authors = response.authors
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storyStatusCache?.update(from: response.authors)
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} catch {
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// Silently fail — strip just won't show
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}