127 lines
3.9 KiB
Swift
127 lines
3.9 KiB
Swift
//
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// https://mczachurski.dev
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// Copyright © 2023 Marcin Czachurski and the repository contributors.
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// Licensed under the Apache License 2.0.
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//
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import SwiftUI
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import PixelfedKit
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import ClientKit
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import Foundation
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import ServicesKit
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import EnvironmentKit
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import WidgetsKit
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@MainActor
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struct HashtagsView: View {
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public enum ListType: Hashable {
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case trending
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case followed
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case search(query: String)
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public var title: LocalizedStringKey {
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switch self {
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case .trending:
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return "tags.navigationBar.trendingTitle"
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case .search:
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return "tags.navigationBar.searchTitle"
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case .followed:
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return "tags.navigationBar.followedTitle"
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}
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}
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}
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@Environment(ApplicationState.self) var applicationState
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@Environment(Client.self) var client
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@Environment(RouterPath.self) var routerPath
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@State public var listType: ListType
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@State private var tags: [HashtagModel] = []
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@State private var state: ViewState = .loading
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var body: some View {
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self.mainBody()
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.navigationTitle(self.listType.title)
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}
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@ViewBuilder
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private func mainBody() -> some View {
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switch state {
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case .loading:
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LoadingIndicator()
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.task {
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await self.loadData()
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}
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case .loaded:
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if self.tags.isEmpty {
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NoDataView(imageSystemName: "person.3.sequence", text: "tags.title.noTags")
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} else {
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self.list()
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}
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case .error(let error):
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ErrorView(error: error) {
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self.state = .loading
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self.tags = []
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await self.loadData()
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}
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.padding()
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}
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}
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@ViewBuilder
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private func list() -> some View {
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List {
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ForEach(self.tags, id: \.id) { tag in
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Section {
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ImagesGrid(gridType: .hashtag(name: tag.hashtag))
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} header: {
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HStack {
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Text(tag.name).font(.headline)
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Spacer()
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if let total = tag.total {
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Text(String(format: NSLocalizedString("tags.title.amountOfPosts", comment: "Amount of posts"), total))
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.font(.caption)
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}
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}
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.onTapGesture {
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self.routerPath.navigate(to: .tag(hashTag: tag.hashtag))
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}
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}
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}
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}
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.refreshable {
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await self.loadData()
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}
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}
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private func loadData() async {
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do {
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self.tags = try await self.loadTags()
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self.state = .loaded
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} catch {
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if !Task.isCancelled {
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ErrorService.shared.handle(error, message: "tags.error.loadingTagsFailed", showToastr: true)
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self.state = .error(error)
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} else {
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ErrorService.shared.handle(error, message: "tags.error.loadingTagsFailed", showToastr: false)
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}
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}
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}
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private func loadTags() async throws -> [HashtagModel] {
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switch self.listType {
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case .trending:
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let tagsFromApi = try await self.client.trends?.tags()
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return tagsFromApi?.map({ tagTrend in HashtagModel(tagTrend: tagTrend) }) ?? []
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case .search(let query):
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let results = try await self.client.search?.search(query: query, resultsType: .hashtags, limit: 40)
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return results?.hashtags.map({ tag in HashtagModel(tag: tag) }) ?? []
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case .followed:
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let tagsFromApi = try await self.client.tags?.followed(limit: 200)
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return tagsFromApi?.data.map({ tag in HashtagModel(tag: tag) }) ?? []
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}
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}
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}
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