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|
import SwiftUI
@Observable
@MainActor
final class ProjectsListViewModel {
private(set) var projects: [Project] = []
private(set) var isLoading = false
var error: String?
var searchText = ""
private let service: ProjectService
init(service: ProjectService) {
self.service = service
}
var filteredProjects: [Project] {
let query = searchText.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
guard !query.isEmpty else { return projects }
return projects.filter {
$0.name.lowercased().contains(query) ||
($0.description?.lowercased().contains(query) ?? false) ||
$0.tags.contains(where: { $0.lowercased().contains(query) })
}
}
func loadProjects(forceRefresh: Bool = false) async {
guard !isLoading else { return }
isLoading = true
error = nil
defer { isLoading = false }
do {
projects = try await service.fetchProjects(forceRefresh: forceRefresh)
} catch {
if projects.isEmpty {
self.error = error.userFacingMessage
} else {
self.error = "Couldn’t refresh projects. \(error.userFacingMessage)"
}
}
}
}
struct ProjectsListView: View {
@Environment(AppState.self) private var appState
@State private var viewModel: ProjectsListViewModel?
var body: some View {
Group {
if let viewModel {
content(viewModel)
} else {
SRHTLoadingStateView(message: "Loading projects…")
}
}
.navigationTitle("Projects")
.task {
if viewModel == nil {
let vm = ProjectsListViewModel(service: ProjectService(client: appState.client))
viewModel = vm
await vm.loadProjects()
}
}
}
@ViewBuilder
private func content(_ viewModel: ProjectsListViewModel) -> some View {
List {
ForEach(viewModel.filteredProjects) { project in
NavigationLink {
ProjectDetailView(project: project)
} label: {
ProjectListRow(project: project)
}
.buttonStyle(.plain)
.alignmentGuide(.listRowSeparatorLeading) { _ in 0 }
}
.themedRow()
}
.themedList()
.listStyle(.plain)
.searchable(
text: Binding(
get: { viewModel.searchText },
set: { viewModel.searchText = $0 }
),
placement: .navigationBarDrawer(displayMode: .always),
prompt: "Search projects"
)
.overlay {
if viewModel.isLoading, viewModel.projects.isEmpty {
SRHTLoadingStateView(message: "Loading projects…")
} else if let error = viewModel.error, viewModel.projects.isEmpty {
SRHTErrorStateView(
title: "Couldn't Load Projects",
message: error,
retryAction: { await viewModel.loadProjects() }
)
} else if !viewModel.projects.isEmpty, viewModel.filteredProjects.isEmpty {
ContentUnavailableView.search(text: viewModel.searchText)
} else if viewModel.projects.isEmpty {
ContentUnavailableView(
"No Projects",
systemImage: "square.stack.3d.up",
description: Text("Projects from your SourceHut account will appear here when available.")
)
}
}
.srhtErrorBanner(
error: Binding(
get: { viewModel.error },
set: { viewModel.error = $0 }
)
)
.refreshable {
await viewModel.loadProjects(forceRefresh: true)
}
.connectivityOverlay(hasContent: !viewModel.projects.isEmpty) {
await viewModel.loadProjects()
}
}
}
private struct ProjectListRow: View {
let project: Project
var body: some View {
VStack(alignment: .leading, spacing: 6) {
HStack(alignment: .top, spacing: 10) {
VStack(alignment: .leading, spacing: 4) {
Text(project.displayName)
.font(.subheadline.weight(.medium))
.foregroundStyle(.primary)
.lineLimit(1)
if let description = project.displayDescription {
Text(description)
.font(.caption)
.foregroundStyle(.secondary)
.lineLimit(2)
}
}
Spacer(minLength: 8)
VisibilityBadge(visibility: project.visibility)
}
Text(project.metadataLine)
.font(.caption)
.foregroundStyle(.secondary)
.lineLimit(1)
if !project.displayTags.isEmpty {
ScrollView(.horizontal, showsIndicators: false) {
HStack(spacing: 6) {
ForEach(project.displayTags.prefix(4), id: \.self) { tag in
Text(tag)
.font(.caption2.weight(.medium))
.foregroundStyle(.secondary)
.padding(.horizontal, 8)
.padding(.vertical, 3)
.background(.quaternary, in: Capsule())
}
}
}
.scrollDisabled(true)
}
}
.contentShape(Rectangle())
.padding(.vertical, 4)
}
}
|
