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import SwiftUI
/// A sheet that fetches and displays a single repository file by path,
/// using the `repository.path()` GraphQL field — one API call, no tree traversal.
struct LinkedFileSheetView: View {
let rid: String
let service: SRHTService
let client: SRHTClient
let request: LinkedFileRequest
@AppStorage(AppStorageKeys.wrapRepositoryFileLines) private var wrapLines = false
@Environment(\.dismiss) private var dismiss
@State private var entry: TreeEntry?
@State private var isLoading = true
@State private var error: String?
var body: some View {
NavigationStack {
Group {
if isLoading {
SRHTLoadingStateView(message: "Loading \(request.fileName)…")
} else if let error {
SRHTErrorStateView(
title: "Couldn't Load File",
message: error,
retryAction: { await load() }
)
} else if let entry, let object = entry.object {
fileContentView(entry: entry, object: object)
} else {
ContentUnavailableView(
"File Not Found",
systemImage: "doc.questionmark",
description: Text("\(request.path) could not be found in this repository.")
)
}
}
.navigationTitle(request.fileName)
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .topBarTrailing) {
Button("Done") { dismiss() }
}
}
}
.task { await load() }
}
private func load() async {
isLoading = true
error = nil
let vm = FileTreeViewModel(repositoryRid: rid, service: service, client: client)
do {
entry = try await vm.fetchLinkedFile(path: request.path, revspec: request.revspec)
} catch {
self.error = error.userFacingMessage
}
isLoading = false
}
@ViewBuilder
private func fileContentView(entry: TreeEntry, object: GitObject) -> some View {
switch object {
case .textBlob(let blob):
CodeFileTextView(
text: blob.text ?? "",
fileName: entry.name,
wrapLines: wrapLines
)
case .binaryBlob:
ContentUnavailableView(
"Binary File",
systemImage: "doc.zipper",
description: Text("Binary files cannot be displayed inline.")
)
default:
ContentUnavailableView(
"Unknown File",
systemImage: "questionmark.folder",
description: Text("This object type cannot be displayed.")
)
}
}
}
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