Merge pull request #21 from Nexters/feature/chat-list-styling

[Feature] 대화방 목록 UI 작업

Author: cchanmi

GAMSS.xcodeproj/project.pbxproj

@@ -14,18 +14,23 @@
 		1D8DF6DFC7E7383B9B8C5850 /* DefaultSummaryRepositoryTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A17C099A15F7D9B1481998D0 /* DefaultSummaryRepositoryTests.swift */; };
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 		26A84A0255BB5BB7139414C5 /* Tokenizers in Frameworks */ = {isa = PBXBuildFile; productRef = 4F92A4F86371ED0E8E85D78F /* Tokenizers */; };
+		37CC583C76082794EA8ED2C3 /* ConversationListDateHeaderFormatterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 279ECD6F38C25ADFF48996F2 /* ConversationListDateHeaderFormatterTests.swift */; };
 		3D1B542CB60C3958D3F16702 /* EmotionCharacterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7BB1A4112363D93ED3AD1598 /* EmotionCharacterTests.swift */; };
 		3EF2F6DB34A2276C2C9FD746 /* diary_samples.json in Resources */ = {isa = PBXBuildFile; fileRef = ED231F0A80BD3A4AF9E50BBC /* diary_samples.json */; };
+		49CAEB1FBF568E55C6C648B7 /* ConversationListViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3A26CAC1BD5FA5DF19D14615 /* ConversationListViewModelTests.swift */; };
 		573CFD0A1638F27B889EF865 /* SendMessageUseCaseTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4DDF78D0118869F3D9E1E269 /* SendMessageUseCaseTests.swift */; };
 		58652E08F4413DEA2016C082 /* MessageBubbleLayoutTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6EF457567BE11A68704DC4FE /* MessageBubbleLayoutTests.swift */; };
 		5E6EF3C5D7CE4FF3EE4392EC /* ConversationMessageDTOTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = B35175B780592B411BDD6B82 /* ConversationMessageDTOTests.swift */; };
 		5F8A6F3F851E20BCFE3F805D /* CommentRevealPolicyTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 86563A77A8A674E7F050119E /* CommentRevealPolicyTests.swift */; };
 		66BC114B170E43E9C900F517 /* QuotedReplyHeaderTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1B68677BF01B5A8971B85AC4 /* QuotedReplyHeaderTests.swift */; };
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 		70248DCD300D429100857369 /* FirebaseAuth in Frameworks */ = {isa = PBXBuildFile; productRef = 70248DCC300D429100857369 /* FirebaseAuth */; };
+		7651811B18BCC6B77AD9FB7B /* ISO8601FlexibleParserTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8157B3B43D20FE0CB425BCC3 /* ISO8601FlexibleParserTests.swift */; };
 		8F4E518B79C7B76223B098BA /* Tokenizers in Frameworks */ = {isa = PBXBuildFile; productRef = 8E8487F478AF703D394C5EB6 /* Tokenizers */; };
 		94A526BCCCD9DF730A39BF97 /* sample_sentences.json in Resources */ = {isa = PBXBuildFile; fileRef = D4BE9D664889F13369325DC9 /* sample_sentences.json */; };
+		96AB63E38D6D2755BA3BC839 /* ConversationPreviewTextFormatterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5EA0CD379D5E578049585DD1 /* ConversationPreviewTextFormatterTests.swift */; };
 		9EA6F6B8DF51021E18342083 /* HomeViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3EDC07CB1FA5BA970388DB6A /* HomeViewModelTests.swift */; };
+		A2EE79F9D91A740A8F752761 /* ConversationSummaryDTOTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0ACAF83D4A9CCBB62EFD5C84 /* ConversationSummaryDTOTests.swift */; };
 		A8948FBCA4DF4E43F2C582EA /* Pods_GAMSS.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EB14F9D00BB8B80EFE9A40A4 /* Pods_GAMSS.framework */; };
 		A8FEE0AD9A4A60908DC5F5F1 /* CreateMessageRequestDTOTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7DAA522A6DCECC0B3666523C /* CreateMessageRequestDTOTests.swift */; };
 		A9E97BA8DEC5EE7635B77D1F /* ChatComposerViewTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3C5DF3BD54F67AE200949A44 /* ChatComposerViewTests.swift */; };
@@ -58,23 +63,28 @@
 
 /* Begin PBXFileReference section */
 		032B0D990023EAA1E72E1E82 /* DefaultConversationSummaryStoreTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = DefaultConversationSummaryStoreTests.swift; sourceTree = "<group>"; };
+		0ACAF83D4A9CCBB62EFD5C84 /* ConversationSummaryDTOTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConversationSummaryDTOTests.swift; sourceTree = "<group>"; };
 		162D28B313B7D3B6D79FE039 /* SummaryErrorTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = SummaryErrorTests.swift; sourceTree = "<group>"; };
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 		1B68677BF01B5A8971B85AC4 /* QuotedReplyHeaderTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = QuotedReplyHeaderTests.swift; sourceTree = "<group>"; };
+		279ECD6F38C25ADFF48996F2 /* ConversationListDateHeaderFormatterTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConversationListDateHeaderFormatterTests.swift; sourceTree = "<group>"; };
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+		3A26CAC1BD5FA5DF19D14615 /* ConversationListViewModelTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConversationListViewModelTests.swift; sourceTree = "<group>"; };
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 		3C5DF3BD54F67AE200949A44 /* ChatComposerViewTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ChatComposerViewTests.swift; sourceTree = "<group>"; };
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 		41CCBD8A019CAA37319E7984 /* ConversationSummaryPolicyTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConversationSummaryPolicyTests.swift; sourceTree = "<group>"; };
 		4DDF78D0118869F3D9E1E269 /* SendMessageUseCaseTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = SendMessageUseCaseTests.swift; sourceTree = "<group>"; };
 		596EE0F239D37460A7BA389D /* Color_GAMSSTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Color_GAMSSTests.swift; sourceTree = "<group>"; };
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+		5EA0CD379D5E578049585DD1 /* ConversationPreviewTextFormatterTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ConversationPreviewTextFormatterTests.swift; sourceTree = "<group>"; };
 		6EF457567BE11A68704DC4FE /* MessageBubbleLayoutTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = MessageBubbleLayoutTests.swift; sourceTree = "<group>"; };
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 		7BB1A4112363D93ED3AD1598 /* EmotionCharacterTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = EmotionCharacterTests.swift; sourceTree = "<group>"; };
 		7DAA522A6DCECC0B3666523C /* CreateMessageRequestDTOTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = CreateMessageRequestDTOTests.swift; sourceTree = "<group>"; };
+		8157B3B43D20FE0CB425BCC3 /* ISO8601FlexibleParserTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = ISO8601FlexibleParserTests.swift; sourceTree = "<group>"; };
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@@ -219,6 +229,8 @@
 			children = (
 				7DAA522A6DCECC0B3666523C /* CreateMessageRequestDTOTests.swift */,
 				B35175B780592B411BDD6B82 /* ConversationMessageDTOTests.swift */,
+				8157B3B43D20FE0CB425BCC3 /* ISO8601FlexibleParserTests.swift */,
+				0ACAF83D4A9CCBB62EFD5C84 /* ConversationSummaryDTOTests.swift */,
 			);
 			path = DTO;
 			sourceTree = "<group>";
@@ -292,6 +304,9 @@
 				1B68677BF01B5A8971B85AC4 /* QuotedReplyHeaderTests.swift */,
 				6EF457567BE11A68704DC4FE /* MessageBubbleLayoutTests.swift */,
 				3C5DF3BD54F67AE200949A44 /* ChatComposerViewTests.swift */,
+				5EA0CD379D5E578049585DD1 /* ConversationPreviewTextFormatterTests.swift */,
+				279ECD6F38C25ADFF48996F2 /* ConversationListDateHeaderFormatterTests.swift */,
+				3A26CAC1BD5FA5DF19D14615 /* ConversationListViewModelTests.swift */,
 			);
 			path = Presentation;
 			sourceTree = "<group>";
@@ -604,6 +619,11 @@
 				66BC114B170E43E9C900F517 /* QuotedReplyHeaderTests.swift in Sources */,
 				58652E08F4413DEA2016C082 /* MessageBubbleLayoutTests.swift in Sources */,
 				A9E97BA8DEC5EE7635B77D1F /* ChatComposerViewTests.swift in Sources */,
+				7651811B18BCC6B77AD9FB7B /* ISO8601FlexibleParserTests.swift in Sources */,
+				A2EE79F9D91A740A8F752761 /* ConversationSummaryDTOTests.swift in Sources */,
+				96AB63E38D6D2755BA3BC839 /* ConversationPreviewTextFormatterTests.swift in Sources */,
+				37CC583C76082794EA8ED2C3 /* ConversationListDateHeaderFormatterTests.swift in Sources */,
+				49CAEB1FBF568E55C6C648B7 /* ConversationListViewModelTests.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

GAMSS/Sources/Data/DTO/Common/ISO8601FlexibleParser.swift

@@ -0,0 +1,28 @@
+//
+//  ISO8601FlexibleParser.swift
+//  GAMSS
+//
+//  Created by cchanmi on 8/13/26.
+//
+
+import Foundation
+
+/// 서버가 소수초를 포함해서 보낼 수도 있는 ISO8601 타임스탬프 문자열(예: "2026-08-07T00:00:00.123Z")을
+/// 파싱한다. 화면에는 어차피 분 단위까지만 표시하므로 소수초 정밀도는 필요 없어, 포매터를 두 개 두고
+/// 두 번 시도하는 대신 소수초 부분만 잘라내고 포매터 하나로 파싱한다. ISO8601DateFormatter는 동시 접근
+/// 안전성이 문서화되어 있지 않아 인스턴스를 static으로 공유하지 않고 호출마다 새로 만든다 — 여러 DTO가
+/// 동시에 디코딩될 수 있기 때문(예: 대화방 목록 로드와 메시지 히스토리 로드).
+enum ISO8601FlexibleParser {
+    static func date(from value: String) -> Date? {
+        ISO8601DateFormatter().date(from: stripFractionalSeconds(value))
+    }
+
+    /// 소수초 부분(".123" 등)만 제거한다. 뒤에 타임존 지정자(Z/+/-)가 없어도 소수초 자체는
+    /// 잘라내야 하므로, 그 존재를 전제하지 않고 "."부터 이어지는 숫자만 건너뛴다.
+    private static func stripFractionalSeconds(_ value: String) -> String {
+        guard let dotIndex = value.firstIndex(of: ".") else { return value }
+        let afterDot = value[value.index(after: dotIndex)...]
+        let suffixStart = afterDot.firstIndex(where: { !$0.isNumber }) ?? afterDot.endIndex
+        return String(value[..<dotIndex]) + String(afterDot[suffixStart...])
+    }
+}

GAMSS/Sources/Data/DTO/ConversationMessageDTO.swift

@@ -2,7 +2,7 @@
 //  ConversationMessageDTO.swift
 //  GAMSS
 //
-//  Created by cchanmi on 8/7/26.
+//  Created by 이건준 on 8/7/26.
 //
 
 import Foundation
@@ -26,25 +26,6 @@ struct ConversationMessageDTO: Decodable {
         "GRUMPY": .prickly, "WARM": .sadness, "QUIRKY": .quirky,
     ]
 
-    /// 화면에는 어차피 분 단위까지만 표시하므로(MessageTimestampFormatter), 소수초 정밀도는
-    /// 필요 없다. 서버가 소수초 포함 타임스탬프(예: "2026-08-07T00:00:00.123Z")를 보내더라도
-    /// 포매터를 두 개 두고 두 번 시도하는 대신, 소수초 부분만 잘라내고 포매터 하나로 파싱한다.
-    /// ISO8601DateFormatter는 동시 접근 안전성이 문서화되어 있지 않아 인스턴스를 static으로
-    /// 공유하지 않고 호출마다 새로 만든다 — 히스토리 로드와 메시지 전송 응답이 동시에 디코딩될
-    /// 수 있기 때문.
-    private static func parseCreatedAt(_ value: String) -> Date? {
-        ISO8601DateFormatter().date(from: stripFractionalSeconds(value))
-    }
-
-    /// 소수초 부분(".123" 등)만 제거한다. 뒤에 타임존 지정자(Z/+/-)가 없어도 소수초 자체는
-    /// 잘라내야 하므로, 그 존재를 전제하지 않고 "."부터 이어지는 숫자만 건너뛴다.
-    private static func stripFractionalSeconds(_ value: String) -> String {
-        guard let dotIndex = value.firstIndex(of: ".") else { return value }
-        let afterDot = value[value.index(after: dotIndex)...]
-        let suffixStart = afterDot.firstIndex(where: { !$0.isNumber }) ?? afterDot.endIndex
-        return String(value[..<dotIndex]) + String(afterDot[suffixStart...])
-    }
-
     func toDomain() -> Message? {
         let sender: MessageSender
         switch senderType {
@@ -56,7 +37,7 @@ struct ConversationMessageDTO: Decodable {
         default:
             return nil
         }
-        guard let createdAtDate = Self.parseCreatedAt(createdAt) else { return nil }
+        guard let createdAtDate = ISO8601FlexibleParser.date(from: createdAt) else { return nil }
         return Message(id: id, conversationId: conversationId, sender: sender, content: content, repliesToMessageId: repliesToMessageId, createdAt: createdAtDate)
     }
 
@@ -70,7 +51,7 @@ struct ConversationMessageDTO: Decodable {
             sender: .user,
             content: content,
             repliesToMessageId: repliesToMessageId,
-            createdAt: Self.parseCreatedAt(createdAt) ?? Date()
+            createdAt: ISO8601FlexibleParser.date(from: createdAt) ?? Date()
         )
     }
 }

GAMSS/Sources/Data/DTO/ConversationSummaryDTO.swift

@@ -14,7 +14,10 @@ struct ConversationSummaryDTO: Decodable {
     let createdAt: String
     let updatedAt: String
 
-    func toDomain() -> ConversationSummary {
-        ConversationSummary(id: id, title: title, status: status, createdAt: createdAt)
+    /// createdAt 파싱에 실패하면 (다른 DTO들과 동일한 정책으로) 이 대화방을 목록에서 제외한다 —
+    /// 잘못된 시간으로 표시하는 것보다 안전한 선택.
+    func toDomain() -> ConversationSummary? {
+        guard let createdAtDate = ISO8601FlexibleParser.date(from: createdAt) else { return nil }
+        return ConversationSummary(id: id, title: title, status: status, createdAt: createdAtDate)
     }
 }

GAMSS/Sources/Data/Repository/DefaultConversationRepository.swift

@@ -35,11 +35,11 @@ final class DefaultConversationRepository: ConversationRepository {
         return response.data.compactMap { $0.toDomain() }
     }
 
-    func getConversations(date: String) async throws -> [ConversationSummary] {
+    func getIncompleteConversations() async throws -> [ConversationSummary] {
         let response = try await networkManager.request(
-            ChatEndpoint.fetchChats(date: date),
+            ChatEndpoint.fetchIncompleteChats,
             responseType: APIResponse<[ConversationSummaryDTO]>.self
         )
-        return response.data.map { $0.toDomain() }
+        return response.data.compactMap { $0.toDomain() }
     }
 }

GAMSS/Sources/Domain/Conversation/ConversationRepository.swift

@@ -13,6 +13,6 @@ protocol ConversationRepository {
     /// 작성순으로 온다. 화면이 이 순서에 의존한다.
     func getMessages(conversationId: Int) async throws -> [Message]
 
-    /// 지정한 날짜(yyyy-MM-dd, KST 00:00~24:00)에 생성된 채팅방 목록을 반환한다.
-    func getConversations(date: String) async throws -> [ConversationSummary]
+    /// 아직 끝나지 않은(미완료) 채팅방 목록을 반환한다.
+    func getIncompleteConversations() async throws -> [ConversationSummary]
 }

GAMSS/Sources/Domain/Conversation/ConversationSummary.swift

@@ -5,9 +5,11 @@
 //  Created by cchanmi on 8/8/26.
 //
 
+import Foundation
+
 struct ConversationSummary: Identifiable, Hashable {
     let id: Int
     let title: String?
     let status: String
-    let createdAt: String
+    let createdAt: Date
 }

GAMSS/Sources/Domain/UseCase/Conversation/GetConversationsUseCase.swift

@@ -0,0 +1,18 @@
+//
+//  GetIncompleteConversationsUseCase.swift
+//  GAMSS
+//
+//  Created by cchanmi on 8/13/26.
+//
+
+struct GetIncompleteConversationsUseCase {
+    private let conversationRepository: ConversationRepository
+
+    init(conversationRepository: ConversationRepository) {
+        self.conversationRepository = conversationRepository
+    }
+
+    func execute() async throws -> [ConversationSummary] {
+        try await conversationRepository.getIncompleteConversations()
+    }
+}