Download languages (#690)

MastodonSDK/Sources/MastodonCore/Service/API/APIService+Onboarding.swift

@@ -28,5 +28,8 @@ extension APIService {
             return Mastodon.Entity.Category(category: kind.rawValue, serversCount: 0)
         }
     }
-    
+
+    public func languages() -> AnyPublisher<Mastodon.Response.Content<[Mastodon.Entity.Language]>, Error> {
+        return Mastodon.API.Onboarding.languages(session: session)
+    }
 }

MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Onboarding.swift

@@ -12,6 +12,7 @@ extension Mastodon.API.Onboarding {
     
     static let serversEndpointURL = Mastodon.API.joinMastodonEndpointURL.appendingPathComponent("servers")
     static let categoriesEndpointURL = Mastodon.API.joinMastodonEndpointURL.appendingPathComponent("categories")
+    static let languagesEndpointURL = Mastodon.API.joinMastodonEndpointURL.appendingPathComponent("languages")
  
     /// Fetch server list
     ///
@@ -68,7 +69,33 @@ extension Mastodon.API.Onboarding {
             }
             .eraseToAnyPublisher()
     }
-    
+
+    /// Fetch server languages
+    ///
+    /// Using this endpoint to fetch booked languages
+    ///
+    /// # Last Update
+    ///   2022/12/19
+    /// # Reference
+    ///   undocumented
+    /// - Parameters:
+    ///   - session: `URLSession`
+    /// - Returns: `AnyPublisher` contains `Language` nested in the response
+    public static func languages(
+        session: URLSession
+    ) -> AnyPublisher<Mastodon.Response.Content<[Mastodon.Entity.Language]>, Error>  {
+        let request = Mastodon.API.get(
+            url: languagesEndpointURL,
+            query: nil,
+            authorization: nil
+        )
+        return session.dataTaskPublisher(for: request)
+            .tryMap { data, response in
+                let value = try Mastodon.API.decode(type: [Mastodon.Entity.Language].self, from: data, response: response)
+                return Mastodon.Response.Content(value: value, response: response)
+            }
+            .eraseToAnyPublisher()
+    }
 }
 
 extension Mastodon.API.Onboarding {

MastodonSDK/Sources/MastodonSDK/Entity/Mastodon+Entity+Language.swift

@@ -0,0 +1,29 @@
+//
+//  File.swift
+//  
+//
+//  Created by Nathan Mattes on 19.12.22.
+//
+
+import Foundation
+
+extension Mastodon.Entity {
+
+    public struct Language: Codable {
+        public let locale: String
+        public let serversCount: Int
+        public let language: String?
+
+        enum CodingKeys: String, CodingKey {
+            case locale
+            case serversCount = "servers_count"
+            case language
+        }
+
+        public init(locale: String, serversCount: Int, language: String?) {
+            self.locale = locale
+            self.serversCount = serversCount
+            self.language = language
+        }
+    }
+}