Files
damus/damus/Features/FollowPack/Views/FollowPackPreview.swift
Daniel D’Aquino a09e22df24 Improve streaming interfaces and profile loading logic
Signed-off-by: Daniel D’Aquino <daniel@daquino.me>
2025-09-24 14:06:11 -07:00

243 lines
9.2 KiB
Swift

//
// FollowPackPreview.swift
// damus
//
// Created by eric on 4/30/25.
//
import SwiftUI
import Kingfisher
struct FollowPackUsers: View {
let state: DamusState
var publicKeys: [Pubkey]
var body: some View {
HStack(alignment: .center) {
if !publicKeys.isEmpty {
CondensedProfilePicturesView(state: state, pubkeys: publicKeys, maxPictures: 5)
}
let followPackUserCount = publicKeys.count
let nounString = pluralizedString(key: "follow_pack_user_count", count: followPackUserCount)
let nounText = Text(verbatim: nounString).font(.subheadline).foregroundColor(.gray)
Text("\(Text(verbatim: followPackUserCount.formatted()).font(.subheadline.weight(.medium))) \(nounText)", comment: "Sentence composed of 2 variables to describe how many people are in the follow pack. In source English, the first variable is the number of users, and the second variable is 'user' or 'users'.")
}
}
}
struct FollowPackBannerImage: View {
let state: DamusState
let options: EventViewOptions
var image: URL? = nil
var preview: Bool
@State var blur_imgs: Bool
func Placeholder(url: URL, preview: Bool) -> some View {
Group {
if let meta = state.events.lookup_img_metadata(url: url),
case .processed(let blurhash) = meta.state {
Image(uiImage: blurhash)
.resizable()
.frame(maxWidth: preview ? 350 : UIScreen.main.bounds.width, minHeight: preview ? 180 : 200, maxHeight: preview ? 180 : 200)
} else {
DamusColors.adaptableWhite
}
}
}
func titleImage(url: URL, preview: Bool) -> some View {
KFAnimatedImage(url)
.callbackQueue(.dispatch(.global(qos:.background)))
.backgroundDecode(true)
.imageContext(.note, disable_animation: state.settings.disable_animation)
.image_fade(duration: 0.25)
.cancelOnDisappear(true)
.configure { view in
view.framePreloadCount = 3
}
.background {
Placeholder(url: url, preview: preview)
}
.aspectRatio(contentMode: .fill)
.frame(maxWidth: preview ? 350 : UIScreen.main.bounds.width, minHeight: preview ? 180 : 200, maxHeight: preview ? 180 : 200)
.kfClickable()
.cornerRadius(1)
}
var body: some View {
if let url = image {
if (self.options.contains(.no_media)) {
EmptyView()
} else if !blur_imgs {
titleImage(url: url, preview: preview)
} else {
ZStack {
titleImage(url: url, preview: preview)
BlurOverlayView(blur_images: $blur_imgs, artifacts: nil, size: nil, damus_state: nil, parentView: .longFormView)
.frame(maxWidth: preview ? 350 : UIScreen.main.bounds.width, minHeight: preview ? 180 : 200, maxHeight: preview ? 180 : 200)
}
}
} else {
Text(NSLocalizedString("No cover image", comment: "Text letting user know there is no cover image."))
.foregroundColor(.gray)
.frame(width: 350, height: 180)
Divider()
}
}
}
struct FollowPackPreviewBody: View {
let state: DamusState
let event: FollowPackEvent
let options: EventViewOptions
let header: Bool
@State var blur_imgs: Bool
@ObservedObject var artifacts: NoteArtifactsModel
init(state: DamusState, ev: FollowPackEvent, options: EventViewOptions, header: Bool, blur_imgs: Bool) {
self.state = state
self.event = ev
self.options = options
self.header = header
self.blur_imgs = blur_imgs
self._artifacts = ObservedObject(wrappedValue: state.events.get_cache_data(ev.event.id).artifacts_model)
}
init(state: DamusState, ev: NostrEvent, options: EventViewOptions, header: Bool, blur_imgs: Bool) {
self.state = state
self.event = FollowPackEvent.parse(from: ev)
self.options = options
self.header = header
self.blur_imgs = blur_imgs
self._artifacts = ObservedObject(wrappedValue: state.events.get_cache_data(ev.id).artifacts_model)
}
var body: some View {
Group {
if options.contains(.wide) {
Main.padding(.horizontal)
} else {
Main
}
}
}
var Main: some View {
VStack(alignment: .leading, spacing: 10) {
if state.settings.media_previews {
FollowPackBannerImage(state: state, options: options, image: event.image, preview: true, blur_imgs: blur_imgs)
}
Text(event.title ?? NSLocalizedString("Untitled", comment: "Title of follow list event if it is untitled."))
.font(header ? .title : .headline)
.padding(.horizontal, 10)
.padding(.top, 5)
if let description = event.description {
Text(description)
.font(header ? .body : .caption)
.foregroundColor(.gray)
.padding(.horizontal, 10)
} else {
Text("")
.font(header ? .body : .caption)
.foregroundColor(.gray)
.padding(.horizontal, 10)
}
HStack(alignment: .center) {
ProfilePicView(pubkey: event.event.pubkey, size: 25, highlight: .none, profiles: state.profiles, disable_animation: state.settings.disable_animation, show_zappability: true, damusState: state)
.onTapGesture {
state.nav.push(route: Route.ProfileByKey(pubkey: event.event.pubkey))
}
let profile_txn = state.profiles.lookup(id: event.event.pubkey)
let profile = profile_txn?.unsafeUnownedValue
let displayName = Profile.displayName(profile: profile, pubkey: event.event.pubkey)
switch displayName {
case .one(let one):
Text(one)
.font(.subheadline).foregroundColor(.gray)
case .both(username: let username, displayName: let displayName):
HStack(spacing: 6) {
Text(verbatim: displayName)
.font(.subheadline).foregroundColor(.gray)
Text(verbatim: "@\(username)")
.font(.subheadline).foregroundColor(.gray)
}
}
}
.padding(.horizontal, 10)
FollowPackUsers(state: state, publicKeys: event.publicKeys)
.padding(.horizontal, 10)
.padding(.bottom, 20)
}
.frame(width: 350, height: state.settings.media_previews ? 330 : 150, alignment: .leading)
.background(DamusColors.neutral3)
.cornerRadius(10)
.overlay(
RoundedRectangle(cornerRadius: 10)
.stroke(DamusColors.neutral1, lineWidth: 1)
)
.padding(.top, 10)
}
}
struct FollowPackPreview: View {
let state: DamusState
let event: FollowPackEvent
let options: EventViewOptions
@State var blur_imgs: Bool
init(state: DamusState, ev: NostrEvent, options: EventViewOptions, blur_imgs: Bool) {
self.state = state
self.event = FollowPackEvent.parse(from: ev)
self.options = options.union(.no_mentions)
self.blur_imgs = blur_imgs
}
var body: some View {
FollowPackPreviewBody(state: state, ev: event, options: options, header: false, blur_imgs: blur_imgs)
}
}
let test_follow_list_event = FollowPackEvent.parse(from: NostrEvent(
content: "",
keypair: test_keypair,
kind: NostrKind.longform.rawValue,
tags: [
["title", "DAMUSES"],
["description", "Damus Team"],
["published_at", "1685638715"],
["p", "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"],
["p", "8b2be0a0ad34805d76679272c28a77dbede9adcbfdca48c681ec8b624a1208a6"],
["p", "17538dc2a62769d09443f18c37cbe358fab5bbf981173542aa7c5ff171ed77c4"],
["p", "520830c334a3f79f88cac934580d26f91a7832c6b21fb9625690ea2ed81b5626"],
["p", "2779f3d9f42c7dee17f0e6bcdcf89a8f9d592d19e3b1bbd27ef1cffd1a7f98d1"],
["p", "bd1e19980e2c91e6dc657e92c25762ca882eb9272d2579e221f037f93788de91"],
["p", "e7424ad457e512fdf4764a56bf6d428a06a13a1006af1fb8e0fe32f6d03265c7"],
["p", "b88c7f007bbf3bc2fcaeff9e513f186bab33782c0baa6a6cc12add78b9110ba3"],
["p", "4a0510f26880d40e432f4865cb5714d9d3c200ca6ebb16b418ae6c555f574967"],
["image", "https://damus.io/img/logo.png"],
])!
)
struct FollowPackPreview_Previews: PreviewProvider {
static var previews: some View {
VStack {
FollowPackPreview(state: test_damus_state, ev: test_follow_list_event.event, options: [], blur_imgs: false)
}
.frame(height: 400)
}
}