实现我的 Tab、对齐 Android 流程并接入 OSS 上传

suixinkan/Core/Upload/UploadModels.swift

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+//
+//  UploadModels.swift
+//  suixinkan
+//
+
+import Foundation
+
+/// 阿里云 OSS STS 配置响应实体，表示一次临时上传授权。
+struct AliyunOSSResponse: Decodable, Equatable {
+    let baseUrl: String
+    let endpoint: String
+    let region: String
+    let bucket: String
+    let expireSeconds: Int
+    let credentials: AliyunOSSCredentials
+
+    enum CodingKeys: String, CodingKey {
+        case baseUrl = "base_url"
+        case endpoint
+        case region
+        case bucket
+        case expireSeconds = "expire_seconds"
+        case credentials
+    }
+
+    init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        baseUrl = try container.decodeLossyString(forKey: .baseUrl)
+        endpoint = try container.decodeLossyString(forKey: .endpoint)
+        region = try container.decodeLossyString(forKey: .region)
+        bucket = try container.decodeLossyString(forKey: .bucket)
+        expireSeconds = try container.decodeLossyInt(forKey: .expireSeconds) ?? 0
+        credentials = try container.decode(AliyunOSSCredentials.self, forKey: .credentials)
+    }
+}
+
+/// 阿里云 OSS 临时凭证实体，表示 SDK 上传所需的访问密钥和安全 token。
+struct AliyunOSSCredentials: Decodable, Equatable {
+    let accessKeyId: String
+    let accessKeySecret: String
+    let securityToken: String
+
+    enum CodingKeys: String, CodingKey {
+        case accessKeyId = "access_key_id"
+        case accessKeySecret = "access_key_secret"
+        case securityToken = "security_token"
+    }
+
+    init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        accessKeyId = try container.decodeLossyString(forKey: .accessKeyId)
+        accessKeySecret = try container.decodeLossyString(forKey: .accessKeySecret)
+        securityToken = try container.decodeLossyString(forKey: .securityToken)
+    }
+}
+
+private extension KeyedDecodingContainer {
+    func decodeLossyString(forKey key: Key) throws -> String {
+        if let value = try? decodeIfPresent(String.self, forKey: key) {
+            return value
+        }
+        if let value = try? decodeIfPresent(Int.self, forKey: key) {
+            return String(value)
+        }
+        if let value = try? decodeIfPresent(Double.self, forKey: key) {
+            return String(value)
+        }
+        if let value = try? decodeIfPresent(Bool.self, forKey: key) {
+            return value ? "true" : "false"
+        }
+        return ""
+    }
+
+    func decodeLossyInt(forKey key: Key) throws -> Int? {
+        if let value = try? decodeIfPresent(Int.self, forKey: key) {
+            return value
+        }
+        if let value = try? decodeIfPresent(String.self, forKey: key) {
+            let text = value.trimmingCharacters(in: .whitespacesAndNewlines)
+            if let intValue = Int(text) {
+                return intValue
+            }
+            if let doubleValue = Double(text) {
+                return Int(doubleValue)
+            }
+        }
+        if let value = try? decodeIfPresent(Double.self, forKey: key) {
+            return Int(value)
+        }
+        return nil
+    }
+}