first commit
This commit is contained in:
JinJiangHuang
@@ -0,0 +1,417 @@
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import Foundation
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/// 视频源数据服务 - 对应 Android 版 SourceViewModel.java
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/// 负责从各视频源获取分类、列表、详情和搜索数据
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class SourceService {
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static let shared = SourceService()
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private let network = NetworkManager.shared
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private init() {}
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// MARK: - 获取分类列表
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/// 获取指定源的分类列表和首页推荐
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func getSort(sourceBean: SourceBean) async throws -> (sorts: [MovieSort.SortData], homeVideos: [Movie.Video]) {
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let api = sourceBean.api
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guard !api.isEmpty else {
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throw SourceError.emptyApi
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}
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// type=3 (JAR/Spider) 暂不支持
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guard sourceBean.isSupportedInSwift else {
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throw SourceError.unsupportedType(sourceBean.typeDescription)
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}
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// 确保 api 是有效的 HTTP URL
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guard sourceBean.isHttpApi else {
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throw SourceError.invalidApiUrl(api)
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}
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let jsonStr: String
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if sourceBean.type == 0 {
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// XML 接口
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jsonStr = try await network.getString(from: api)
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} else if sourceBean.type == 4 {
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// Type 4: 远程接口，需要 extend 和 filter 参数
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var url = api.contains("?") ? "\(api)&filter=true" : "\(api)?filter=true"
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// 加载 extend
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if let ext = sourceBean.ext, !ext.isEmpty {
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let extend = await resolveExtend(ext)
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if !extend.isEmpty {
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let encoded = extend.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? extend
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url += "&extend=\(encoded)"
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}
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}
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jsonStr = try await network.getString(from: url)
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} else {
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// JSON 接口 (type=1)
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let url = api.contains("?") ? "\(api)&ac=class" : "\(api)?ac=class"
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jsonStr = try await network.getString(from: url)
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}
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var (sorts, homeVideos) = try parseSort(jsonStr, sourceBean: sourceBean)
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// 当大多数推荐视频的 vod_pic 为空时（ac=class 接口常见情况），
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// 额外请求列表接口获取带完整海报的推荐视频
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let picMissingCount = homeVideos.filter { $0.pic.trimmingCharacters(in: .whitespaces).isEmpty }.count
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let needsFallback = homeVideos.isEmpty || picMissingCount > homeVideos.count / 2
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if needsFallback && (sourceBean.type == 1 || sourceBean.type == 4) {
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let listUrl: String
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if sourceBean.type == 4 {
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// type=4 用 ac=detail 格式，与 getList 保持一致
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let ext = Data("{}".utf8).base64EncodedString()
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listUrl = api.contains("?")
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? "\(api)&ac=detail&filter=true&pg=1&ext=\(ext)"
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: "\(api)?ac=detail&filter=true&pg=1&ext=\(ext)"
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} else {
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// type=1 用 ac=videolist 格式
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listUrl = api.contains("?") ? "\(api)&ac=videolist&pg=1" : "\(api)?ac=videolist&pg=1"
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}
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if let listStr = try? await network.getString(from: listUrl) {
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let fallback = (try? parseVideoList(listStr, sourceKey: sourceBean.key, type: sourceBean.type)) ?? []
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if !fallback.isEmpty {
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homeVideos = fallback
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}
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}
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}
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return (sorts, homeVideos)
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}
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private func parseSort(_ jsonStr: String, sourceBean: SourceBean) throws -> (sorts: [MovieSort.SortData], homeVideos: [Movie.Video]) {
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guard let data = jsonStr.data(using: .utf8) else {
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throw SourceError.parseError("无法解析数据")
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}
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var sorts: [MovieSort.SortData] = []
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var homeVideos: [Movie.Video] = []
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if sourceBean.type == 0 {
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// XML 格式
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sorts = parseXMLCategories(from: jsonStr)
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} else {
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// JSON 格式 (type=1, type=4)
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if let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any] {
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// 解析分类
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if let classList = json["class"] as? [[String: Any]] {
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for cls in classList {
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let id: String
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if let intId = cls["type_id"] as? Int {
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id = String(intId)
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} else {
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id = cls["type_id"] as? String ?? ""
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}
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let name = cls["type_name"] as? String ?? ""
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sorts.append(MovieSort.SortData(id: id, name: name))
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}
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}
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// 解析首页推荐视频
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if let list = json["list"] as? [[String: Any]] {
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for item in list {
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let decoder = JSONDecoder()
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if let itemData = try? JSONSerialization.data(withJSONObject: item),
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var video = try? decoder.decode(Movie.Video.self, from: itemData) {
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video.sourceKey = sourceBean.key
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homeVideos.append(video)
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}
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}
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}
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}
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}
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return (sorts, homeVideos)
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}
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private func parseXMLCategories(from xml: String) -> [MovieSort.SortData] {
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// 简化的 XML 分类解析
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var sorts: [MovieSort.SortData] = []
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let pattern = "<ty id=\"(\\d+)\"[^>]*>([^<]+)</ty>"
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if let regex = try? NSRegularExpression(pattern: pattern) {
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let matches = regex.matches(in: xml, range: NSRange(xml.startIndex..., in: xml))
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for match in matches {
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if let idRange = Range(match.range(at: 1), in: xml),
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let nameRange = Range(match.range(at: 2), in: xml) {
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let id = String(xml[idRange])
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let name = String(xml[nameRange])
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sorts.append(MovieSort.SortData(id: id, name: name))
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}
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}
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}
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return sorts
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}
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// MARK: - 获取分类视频列表
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/// 获取分类下的视频列表
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func getList(sourceBean: SourceBean, sortData: MovieSort.SortData, page: Int = 1, filters: [String: String]? = nil) async throws -> [Movie.Video] {
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let api = sourceBean.api
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guard !api.isEmpty else { throw SourceError.emptyApi }
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guard sourceBean.isSupportedInSwift else { throw SourceError.unsupportedType(sourceBean.typeDescription) }
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guard sourceBean.isHttpApi else { throw SourceError.invalidApiUrl(api) }
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var url: String
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if sourceBean.type == 0 {
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// XML 接口
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url = "\(api)?ac=videolist&t=\(sortData.id)&pg=\(page)"
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} else if sourceBean.type == 4 {
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// Type 4: 远程接口
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url = api.contains("?")
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? "\(api)&ac=detail&filter=true&t=\(sortData.id)&pg=\(page)"
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: "\(api)?ac=detail&filter=true&t=\(sortData.id)&pg=\(page)"
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// 附加筛选参数（base64 编码）
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if let filters = filters, !filters.isEmpty {
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if let filterData = try? JSONSerialization.data(withJSONObject: filters),
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let filterStr = String(data: filterData, encoding: .utf8) {
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let ext = Data(filterStr.utf8).base64EncodedString()
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url += "&ext=\(ext)"
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}
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} else {
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let ext = Data("{}".utf8).base64EncodedString()
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url += "&ext=\(ext)"
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}
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// 加载 extend
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if let ext = sourceBean.ext, !ext.isEmpty {
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let extend = await resolveExtend(ext)
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if !extend.isEmpty {
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let encoded = extend.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? extend
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url += "&extend=\(encoded)"
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}
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}
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} else {
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// JSON 接口 (type=1)
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url = api.contains("?")
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? "\(api)&ac=videolist&t=\(sortData.id)&pg=\(page)"
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: "\(api)?ac=videolist&t=\(sortData.id)&pg=\(page)"
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// 附加筛选参数
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if let filters = filters {
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for (key, value) in filters {
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url += "&\(key)=\(value)"
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}
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}
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}
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let jsonStr = try await network.getString(from: url)
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return try parseVideoList(jsonStr, sourceKey: sourceBean.key, type: sourceBean.type)
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}
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private func parseVideoList(_ jsonStr: String, sourceKey: String, type: Int) throws -> [Movie.Video] {
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guard let data = jsonStr.data(using: .utf8) else {
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throw SourceError.parseError("无法解析数据")
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}
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var videos: [Movie.Video] = []
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if type == 0 {
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videos = parseXMLVideoList(from: jsonStr, sourceKey: sourceKey)
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} else {
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// JSON 格式 (type=1, type=4)
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if let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
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let list = json["list"] as? [[String: Any]] {
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let decoder = JSONDecoder()
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for item in list {
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if let itemData = try? JSONSerialization.data(withJSONObject: item),
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var video = try? decoder.decode(Movie.Video.self, from: itemData) {
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video.sourceKey = sourceKey
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videos.append(video)
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}
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}
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}
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}
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return videos
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}
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private func parseXMLVideoList(from xml: String, sourceKey: String) -> [Movie.Video] {
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// 简化 XML 视频列表解析
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var videos: [Movie.Video] = []
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let pattern = "<video>.*?<id>(\\d+)</id>.*?<name><!\\[CDATA\\[(.+?)\\]\\]></name>.*?<pic>(.*?)</pic>.*?<note><!\\[CDATA\\[(.*?)\\]\\]></note>.*?</video>"
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if let regex = try? NSRegularExpression(pattern: pattern, options: .dotMatchesLineSeparators) {
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let matches = regex.matches(in: xml, range: NSRange(xml.startIndex..., in: xml))
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for match in matches {
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var video = Movie.Video()
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if let r = Range(match.range(at: 1), in: xml) { video.id = String(xml[r]) }
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if let r = Range(match.range(at: 2), in: xml) { video.name = String(xml[r]) }
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if let r = Range(match.range(at: 3), in: xml) { video.pic = String(xml[r]) }
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if let r = Range(match.range(at: 4), in: xml) { video.note = String(xml[r]) }
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video.sourceKey = sourceKey
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videos.append(video)
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}
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}
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return videos
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}
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// MARK: - 获取详情
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/// 获取视频详情
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func getDetail(sourceBean: SourceBean, vodId: String) async throws -> VodInfo? {
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let api = sourceBean.api
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guard !api.isEmpty else { throw SourceError.emptyApi }
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guard sourceBean.isSupportedInSwift else { throw SourceError.unsupportedType(sourceBean.typeDescription) }
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guard sourceBean.isHttpApi else { throw SourceError.invalidApiUrl(api) }
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var url: String
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if sourceBean.type == 0 {
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url = "\(api)?ac=videolist&ids=\(vodId)"
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} else if sourceBean.type == 4 {
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// Type 4: 远程接口
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url = api.contains("?")
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? "\(api)&ac=detail&ids=\(vodId)"
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: "\(api)?ac=detail&ids=\(vodId)"
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// 加载 extend
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if let ext = sourceBean.ext, !ext.isEmpty {
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let extend = await resolveExtend(ext)
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if !extend.isEmpty {
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let encoded = extend.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? extend
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url += "&extend=\(encoded)"
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}
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}
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} else {
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// JSON 接口 (type=1)
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url = api.contains("?")
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? "\(api)&ac=detail&ids=\(vodId)"
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: "\(api)?ac=detail&ids=\(vodId)"
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}
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let jsonStr = try await network.getString(from: url)
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return try parseDetail(jsonStr, sourceKey: sourceBean.key, type: sourceBean.type)
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}
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private func parseDetail(_ jsonStr: String, sourceKey: String, type: Int) throws -> VodInfo? {
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guard let data = jsonStr.data(using: .utf8) else {
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throw SourceError.parseError("无法解析数据")
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}
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if type == 1 || type == 4 {
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if let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
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let list = json["list"] as? [[String: Any]],
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let first = list.first {
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let decoder = JSONDecoder()
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if let itemData = try? JSONSerialization.data(withJSONObject: first),
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var video = try? decoder.decode(Movie.Video.self, from: itemData) {
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video.sourceKey = sourceKey
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let playFrom = first["vod_play_from"] as? String ?? ""
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let playUrl = first["vod_play_url"] as? String ?? ""
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return VodInfo.from(video: video, playFrom: playFrom, playUrl: playUrl)
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}
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}
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}
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return nil
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}
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// MARK: - 搜索
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/// 在指定源中搜索
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func search(sourceBean: SourceBean, keyword: String) async throws -> [Movie.Video] {
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let api = sourceBean.api
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guard !api.isEmpty else { throw SourceError.emptyApi }
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guard sourceBean.isSupportedInSwift else { throw SourceError.unsupportedType(sourceBean.typeDescription) }
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guard sourceBean.isHttpApi else { throw SourceError.invalidApiUrl(api) }
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let encodedKeyword = keyword.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? keyword
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var url: String
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if sourceBean.type == 0 {
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url = "\(api)?wd=\(encodedKeyword)"
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} else if sourceBean.type == 4 {
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// Type 4: 远程接口
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url = api.contains("?")
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? "\(api)&wd=\(encodedKeyword)&ac=detail&quick=false"
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: "\(api)?wd=\(encodedKeyword)&ac=detail&quick=false"
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// 加载 extend
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if let ext = sourceBean.ext, !ext.isEmpty {
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let extend = await resolveExtend(ext)
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if !extend.isEmpty {
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let encoded = extend.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? extend
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url += "&extend=\(encoded)"
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}
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}
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} else {
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// JSON 接口 (type=1)
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url = api.contains("?")
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? "\(api)&wd=\(encodedKeyword)"
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: "\(api)?wd=\(encodedKeyword)"
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}
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let jsonStr = try await network.getString(from: url)
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return try parseVideoList(jsonStr, sourceKey: sourceBean.key, type: sourceBean.type)
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}
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/// 多源并发搜索
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func searchAll(keyword: String) async -> [Movie.Video] {
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let sources = await ApiConfig.shared.getSearchableSources()
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return await withTaskGroup(of: [Movie.Video].self) { group in
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for source in sources {
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// 跳过不支持的源类型
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guard source.isSupportedInSwift && source.isHttpApi else { continue }
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group.addTask { [self] in
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do {
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return try await self.search(sourceBean: source, keyword: keyword)
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} catch {
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return []
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}
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}
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}
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var allResults: [Movie.Video] = []
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for await results in group {
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allResults.append(contentsOf: results)
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}
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return allResults
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}
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}
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// MARK: - Extend 解析
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/// 解析 extend 参数（对应 Android 端 getFixUrl）
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/// 如果 extend 是 HTTP URL，则下载其内容作为 extend 值
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/// 如果 extend 是普通字符串，则直接返回
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private func resolveExtend(_ extend: String) async -> String {
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guard !extend.isEmpty else { return "" }
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// 非 HTTP URL 直接返回
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guard extend.hasPrefix("http://") || extend.hasPrefix("https://") else {
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return extend
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}
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// 从 HTTP URL 加载 extend 内容
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do {
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let content = try await network.getString(from: extend)
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let trimmed = content.trimmingCharacters(in: .whitespacesAndNewlines)
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// 如果内容过长（>2500），回退到使用原始 URL
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if trimmed.count > 2500 { return extend }
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return trimmed
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} catch {
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return extend
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}
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}
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}
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enum SourceError: LocalizedError {
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case emptyApi
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case parseError(String)
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case unsupportedType(String)
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case invalidApiUrl(String)
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var errorDescription: String? {
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switch self {
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case .emptyApi: return "接口地址为空"
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case .parseError(let msg): return "数据解析错误: \(msg)"
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case .unsupportedType(let type): return "暂不支持 \(type) 类型的数据源，请切换其他源"
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case .invalidApiUrl(let url): return "无效的接口地址: \(url)"
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}
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}
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}
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Reference in New Issue
Block a user