From 5ec07e617e81ab4595307394e253876306be26ab Mon Sep 17 00:00:00 2001
From: sunxiaojian <snxiaojian@gmail.com>
Date: Wed, 31 Mar 2021 15:06:46 +0800
Subject: [PATCH] feature: add Suggestions API

---
 .../Scene/Search/SearchViewController.swift   |  6 +-
 .../MastodonSDK/API/Mastodon+API+Search.swift |  2 +-
 .../API/Mastodon+API+Suggestions.swift        | 60 ++++++++++++++++++-
 .../MastodonSDK/API/Mastodon+API+Trends.swift |  4 +-
 4 files changed, 67 insertions(+), 5 deletions(-)

diff --git a/Mastodon/Scene/Search/SearchViewController.swift b/Mastodon/Scene/Search/SearchViewController.swift
index acf2759f..426120d5 100644
--- a/Mastodon/Scene/Search/SearchViewController.swift
+++ b/Mastodon/Scene/Search/SearchViewController.swift
@@ -16,13 +16,17 @@ final class SearchViewController: UIViewController, NeedsDependency {
     var disposeBag = Set<AnyCancellable>()
     private(set) lazy var viewModel = SearchViewModel(context: context)
     
+    let searchBar: UISearchBar = {
+        let searchBar = UISearchBar()
+        return searchBar
+    }()
 }
 
 extension SearchViewController {
     
     override func viewDidLoad() {
         super.viewDidLoad()
-        
+
     }
     
 }
diff --git a/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Search.swift b/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Search.swift
index 114ca27b..b157d093 100644
--- a/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Search.swift
+++ b/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Search.swift
@@ -32,7 +32,7 @@ extension Mastodon.API.Search {
     public static func search(
         session: URLSession,
         domain: String,
-        query: Query,
+        query: Mastodon.API.Search.Query,
         authorization: Mastodon.API.OAuth.Authorization
     ) -> AnyPublisher<Mastodon.Response.Content<Mastodon.Entity.SearchResult>, Error> {
         let request = Mastodon.API.get(
diff --git a/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Suggestions.swift b/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Suggestions.swift
index bc2adaee..ddb2297d 100644
--- a/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Suggestions.swift
+++ b/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Suggestions.swift
@@ -1,8 +1,66 @@
 //
-//  File.swift
+//  Mastodon+API+Suggestions.swift
 //  
 //
 //  Created by sxiaojian on 2021/3/31.
 //
 
+import Combine
 import Foundation
+
+/// Follow suggestions
+///
+/// Server-generated suggestions on who to follow, based on previous positive interactions.
+///
+/// Version history:
+/// 2.4.3 - added
+/// # Reference
+///   [Document](https://docs.joinmastodon.org/methods/accounts/suggestions/)
+/// - Parameters:
+///   - session: `URLSession`
+///   - domain: Mastodon instance domain. e.g. "example.com"
+///   - query: query
+///   - authorization: User token.
+/// - Returns: `AnyPublisher` contains `Accounts` nested in the response
+
+extension Mastodon.API.Suggestions {
+    static func suggestionsURL(domain: String) -> URL {
+        Mastodon.API.endpointURL(domain: domain).appendingPathComponent("api/v1/suggestions")
+    }
+
+    public static func get(
+        session: URLSession,
+        domain: String,
+        query: Mastodon.API.Suggestions.Query,
+        authorization: Mastodon.API.OAuth.Authorization
+    ) -> AnyPublisher<Mastodon.Response.Content<[Mastodon.Entity.Account]>, Error> {
+        let request = Mastodon.API.get(
+            url: suggestionsURL(domain: domain),
+            query: query,
+            authorization: authorization
+        )
+        return session.dataTaskPublisher(for: request)
+            .tryMap { data, response in
+                let value = try Mastodon.API.decode(type: [Mastodon.Entity.Account].self, from: data, response: response)
+                return Mastodon.Response.Content(value: value, response: response)
+            }
+            .eraseToAnyPublisher()
+    }
+}
+
+extension Mastodon.API.Suggestions {
+    public struct Query: Codable, GetQuery {
+        public init(limit: Int?) {
+            self.limit = limit
+        }
+
+        public let limit: Int? // Maximum number of results to return. Defaults to 40.
+
+        var queryItems: [URLQueryItem]? {
+            var items: [URLQueryItem] = []
+            limit.flatMap { items.append(URLQueryItem(name: "limit", value: String($0))) }
+            guard !items.isEmpty else { return nil }
+            return items
+        }
+    }
+}
diff --git a/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Trends.swift b/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Trends.swift
index b311cf2b..3c7e8515 100644
--- a/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Trends.swift
+++ b/MastodonSDK/Sources/MastodonSDK/API/Mastodon+API+Trends.swift
@@ -25,13 +25,13 @@ import Foundation
 
 extension Mastodon.API.Trends {
     static func trendsURL(domain: String) -> URL {
-        Mastodon.API.endpointURL(domain: domain).appendingPathComponent("/api/v1/trends")
+        Mastodon.API.endpointURL(domain: domain).appendingPathComponent("api/v1/trends")
     }
 
     public static func get(
         session: URLSession,
         domain: String,
-        query: Query
+        query: Mastodon.API.Trends.Query
     ) -> AnyPublisher<Mastodon.Response.Content<[Mastodon.Entity.Tag]>, Error> {
         let request = Mastodon.API.get(
             url: trendsURL(domain: domain),