Emoji picker: Handle Manu's comments.

2026-04-19 16:13:42 +02:00 · 2019-07-26 14:06:19 +02:00
parent 4a696887a2
commit dacee398cf
12 changed files with 191 additions and 59 deletions
@@ -0,0 +1,72 @@
+/*
+ Copyright 2019 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+enum EmojiServiceError: Error {
+    case emojiJSONFileNotFound
+}
+
+/// Emoji service powered by Emoji Mart data (https://github.com/missive/emoji-mart/)
+final class EmojiMartService: EmojiServiceType {
+    
+    // MARK: - Constants
+    
+    /// Emoji data coming from https://github.com/missive/emoji-mart/blob/master/data/apple.json
+    private static let jsonFilename = "apple_emojis_data"
+    
+    // MARK: - Properties
+    
+    private let serializationService: SerializationServiceType = SerializationService()
+    private let serviceQueue = DispatchQueue(label: "\(type(of: EmojiMartService.self))")
+    
+    // MARK: - Public
+    
+    func getEmojiCategories(completion: @escaping (MXResponse<[EmojiCategory]>) -> Void) {
+        self.serviceQueue.async {
+            do {
+                let emojiJSONData = try self.getEmojisJSONData()
+                let emojiJSONStore: EmojiMartStore = try self.serializationService.deserialize(emojiJSONData)
+                let emojiCategories = self.emojiCategories(from: emojiJSONStore)
+                completion(MXResponse.success(emojiCategories))
+            } catch {
+                completion(MXResponse.failure(error))
+            }
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func getEmojisJSONData() throws -> Data {
+        guard let jsonDataURL = Bundle.main.url(forResource: EmojiMartService.jsonFilename, withExtension: "json") else {
+                throw EmojiServiceError.emojiJSONFileNotFound
+        }
+        let jsonData = try Data(contentsOf: jsonDataURL)
+        return jsonData
+    }
+    
+    private func emojiCategories(from emojiJSONStore: EmojiMartStore) -> [EmojiCategory] {
+        let allEmojiItems = emojiJSONStore.emojis
+        
+        return emojiJSONStore.categories.map { (jsonCategory) -> EmojiCategory in
+            let emojiItems = jsonCategory.emojiShortNames.compactMap({ (shortName) -> EmojiItem? in
+                return allEmojiItems.first(where: { $0.shortName == shortName })
+            })
+            return EmojiCategory(identifier: jsonCategory.identifier, emojis: emojiItems)
+        }
+    }
+
+}