Files
damus/damus/Views/BannerImageView.swift
William Casarin fc9b9f2940 ndb: switch profile queries to use transactions
this should ensure no crashing occurs when querying profiles
2023-09-21 09:10:06 -04:00

112 lines
3.5 KiB
Swift

//
// BannerImageView.swift
// damus
//
// Created by Jason Jōb on 2023-01-10.
//
import SwiftUI
import Kingfisher
struct EditBannerImageView: View {
var damus_state: DamusState
@ObservedObject var viewModel: ImageUploadingObserver
let callback: (URL?) -> Void
let defaultImage = UIImage(named: "profile-banner") ?? UIImage()
@State var banner_image: URL? = nil
var body: some View {
ZStack {
Color(uiColor: .systemBackground)
KFAnimatedImage(get_banner_url(banner: banner_image?.absoluteString, pubkey: damus_state.pubkey, profiles: damus_state.profiles))
.imageContext(.banner, disable_animation: damus_state.settings.disable_animation)
.configure { view in
view.framePreloadCount = 3
}
.placeholder { _ in
Color(uiColor: .secondarySystemBackground)
}
.onFailureImage(defaultImage)
EditPictureControl(uploader: damus_state.settings.default_media_uploader, pubkey: damus_state.pubkey, image_url: $banner_image, uploadObserver: viewModel, callback: callback)
}
}
}
struct InnerBannerImageView: View {
let disable_animation: Bool
let url: URL?
let defaultImage = UIImage(named: "profile-banner") ?? UIImage()
var body: some View {
ZStack {
Color(uiColor: .systemBackground)
if (url != nil) {
KFAnimatedImage(url)
.imageContext(.banner, disable_animation: disable_animation)
.configure { view in
view.framePreloadCount = 3
}
.placeholder { _ in
Color(uiColor: .secondarySystemBackground)
}
.onFailureImage(defaultImage)
} else {
Image(uiImage: defaultImage).resizable()
}
}
}
}
struct BannerImageView: View {
let disable_animation: Bool
let pubkey: Pubkey
let profiles: Profiles
@State var banner: String?
init(pubkey: Pubkey, profiles: Profiles, disable_animation: Bool, banner: String? = nil) {
self.pubkey = pubkey
self.profiles = profiles
self._banner = State(initialValue: banner)
self.disable_animation = disable_animation
}
var body: some View {
InnerBannerImageView(disable_animation: disable_animation, url: get_banner_url(banner: banner, pubkey: pubkey, profiles: profiles))
.onReceive(handle_notify(.profile_updated)) { updated in
guard updated.pubkey == self.pubkey else {
return
}
let profile_txn = profiles.lookup(id: updated.pubkey)
let profile = profile_txn.unsafeUnownedValue
if let bannerImage = profile?.banner, bannerImage != self.banner {
self.banner = bannerImage
}
}
}
}
func get_banner_url(banner: String?, pubkey: Pubkey, profiles: Profiles) -> URL? {
let bannerUrlString = banner ?? profiles.lookup(id: pubkey).map({ p in p?.banner }).value ?? ""
if let url = URL(string: bannerUrlString) {
return url
}
return nil
}
struct BannerImageView_Previews: PreviewProvider {
static var previews: some View {
BannerImageView(
pubkey: test_pubkey,
profiles: make_preview_profiles(test_pubkey),
disable_animation: false
)
}
}