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|
import Foundation
struct PasteListPage: Decodable, Sendable {
let results: [Paste]
let cursor: String?
}
final class PasteService: Sendable {
private let client: SRHTClient
init(client: SRHTClient) {
self.client = client
}
private static let listQuery = """
query pastes($cursor: Cursor) {
pastes(cursor: $cursor) {
results {
id
created
visibility
files {
filename
hash
}
user {
canonicalName
}
}
cursor
}
}
"""
private static let detailQuery = """
query paste($id: String!) {
paste(id: $id) {
id
created
visibility
files {
filename
hash
contents
}
user {
canonicalName
}
}
}
"""
private static let createMutation = """
mutation createPaste($files: [Upload!]!, $visibility: Visibility!) {
create(files: $files, visibility: $visibility) {
id
created
visibility
files {
filename
hash
contents
}
user {
canonicalName
}
}
}
"""
private static let updateMutation = """
mutation updatePaste($id: String!, $visibility: Visibility!) {
update(id: $id, visibility: $visibility) {
id
created
visibility
files {
filename
hash
contents
}
user {
canonicalName
}
}
}
"""
private static let deleteMutation = """
mutation deletePaste($id: String!) {
delete(id: $id) {
id
created
visibility
files {
filename
hash
}
user {
canonicalName
}
}
}
"""
private static let cacheKey = "paste.pastes"
func listPastes(cursor: String?, useCache: Bool) async throws -> PasteListPage {
let variables = cursor.map { ["cursor": $0 as any Sendable] }
let result: PasteListResponse
if useCache, cursor == nil {
result = try await client.executeAndCache(
service: .paste,
query: Self.listQuery,
variables: variables,
responseType: PasteListResponse.self,
cacheKey: Self.cacheKey
)
} else {
result = try await client.execute(
service: .paste,
query: Self.listQuery,
variables: variables,
responseType: PasteListResponse.self
)
}
return result.pastes ?? PasteListPage(results: [], cursor: nil)
}
func loadCachedPastes() -> PasteListPage? {
guard let data = client.responseCache.get(forKey: Self.cacheKey) else {
return nil
}
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .srhtFlexible
guard let response = try? decoder.decode(GraphQLResponse<PasteListResponse>.self, from: data) else {
return nil
}
return response.data?.pastes
}
func loadPaste(id: String) async throws -> Paste? {
let result = try await client.execute(
service: .paste,
query: Self.detailQuery,
variables: ["id": id],
responseType: PasteDetailResponse.self
)
return result.paste
}
func createPaste(files: [PasteUploadDraft], visibility: Visibility) async throws -> Paste {
let uploadFiles = normalizedUploadFiles(from: files)
let variables: [String: any Sendable] = [
"files": [String?](repeating: nil, count: uploadFiles.count),
"visibility": visibility.rawValue
]
let result = try await client.executeMultipartFiles(
service: .paste,
query: Self.createMutation,
variables: variables,
files: uploadFiles.enumerated().map { index, file in
MultipartUploadFile(
variablePath: "files.\(index)",
fileData: file.data,
fileName: file.fileName,
mimeType: "text/plain"
)
},
responseType: CreatePasteResponse.self
)
return result.create
}
func updateVisibility(id: String, visibility: Visibility) async throws -> Paste? {
let result = try await client.execute(
service: .paste,
query: Self.updateMutation,
variables: ["id": id, "visibility": visibility.rawValue],
responseType: UpdatePasteResponse.self
)
return result.update
}
func deletePaste(id: String) async throws -> Paste? {
let result = try await client.execute(
service: .paste,
query: Self.deleteMutation,
variables: ["id": id],
responseType: DeletePasteResponse.self
)
return result.delete
}
func loadContents(from url: URL) async throws -> String {
try await client.fetchText(url: url)
}
private func normalizedUploadFiles(from files: [PasteUploadDraft]) -> [(fileName: String, data: Data)] {
files.compactMap { draft in
let text = draft.contents
guard let data = text.data(using: .utf8) else {
return nil
}
return (draft.filename, data)
}
}
}
private struct PasteListResponse: Decodable, Sendable {
let pastes: PasteListPage?
}
private struct PasteDetailResponse: Decodable, Sendable {
let paste: Paste?
}
private struct CreatePasteResponse: Decodable, Sendable {
let create: Paste
}
private struct UpdatePasteResponse: Decodable, Sendable {
let update: Paste?
}
private struct DeletePasteResponse: Decodable, Sendable {
let delete: Paste?
}
|
