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Show dynamically time, relative date, weekday, or short date in channel lists #833
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b1fbd2d
Show time, relative date, weekday, or short date for last message in …
laevandus 9d26265
Add ChannelListConfig for relative dates
laevandus 13004e4
Merge branch 'develop' into add/channel-list-date-time-formatting
laevandus 7930820
Merge branch 'develop' into add/channel-list-date-time-formatting
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17 changes: 17 additions & 0 deletions
17
Sources/StreamChatSwiftUI/ChatChannelList/ChannelListConfig.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| // | ||
| // Copyright © 2025 Stream.io Inc. All rights reserved. | ||
| // | ||
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| import Foundation | ||
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| /// A configuration for channel lists. | ||
| public struct ChannelListConfig { | ||
| public init(messageRelativeDateFormatEnabled: Bool = false) { | ||
| self.messageRelativeDateFormatEnabled = messageRelativeDateFormatEnabled | ||
| } | ||
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| /// If true, the timestamp format depends on the time passed. | ||
| /// | ||
| /// Different date formats are used for today, yesterday, last 7 days, and older dates. | ||
| public var messageRelativeDateFormatEnabled: Bool | ||
| } |
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63 changes: 63 additions & 0 deletions
63
Sources/StreamChatSwiftUI/Utils/Common/MessageRelativeDateFormatter.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // | ||
| // Copyright © 2025 Stream.io Inc. All rights reserved. | ||
| // | ||
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| import Foundation | ||
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| /// A formatter that converts message timestamps to a format which depends on the time passed. | ||
| public final class MessageRelativeDateFormatter: DateFormatter, @unchecked Sendable { | ||
| override public init() { | ||
| super.init() | ||
| locale = .autoupdatingCurrent | ||
| dateStyle = .short | ||
| timeStyle = .none | ||
| } | ||
|
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| @available(*, unavailable) | ||
| required init?(coder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
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| override public func string(from date: Date) -> String { | ||
| if calendar.isDateInToday(date) { | ||
| return todayFormatter.string(from: date) | ||
| } | ||
| if calendar.isDateInYesterday(date) { | ||
| return yesterdayFormatter.string(from: date) | ||
| } | ||
| if calendar.isDateInLastWeek(date) { | ||
| return weekdayFormatter.string(from: date) | ||
| } | ||
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| return super.string(from: date) | ||
| } | ||
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| var todayFormatter: DateFormatter { | ||
| InjectedValues[\.utils].dateFormatter | ||
| } | ||
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| let yesterdayFormatter: DateFormatter = { | ||
| let formatter = DateFormatter() | ||
| formatter.locale = .autoupdatingCurrent | ||
| formatter.dateStyle = .short | ||
| formatter.timeStyle = .none | ||
| formatter.doesRelativeDateFormatting = true | ||
| return formatter | ||
| }() | ||
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| let weekdayFormatter: DateFormatter = { | ||
| let formatter = DateFormatter() | ||
| formatter.locale = .autoupdatingCurrent | ||
| formatter.setLocalizedDateFormatFromTemplate("EEEE") | ||
| return formatter | ||
| }() | ||
| } | ||
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| extension Calendar { | ||
| func isDateInLastWeek(_ date: Date) -> Bool { | ||
| guard let dateBefore7days = self.date(byAdding: .day, value: -7, to: Date()) else { | ||
| return false | ||
| } | ||
| return date > dateBefore7days | ||
| } | ||
| } |
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63 changes: 63 additions & 0 deletions
63
StreamChatSwiftUITests/Tests/Utils/MessageRelativeDateFormatter_Tests.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // | ||
| // Copyright © 2025 Stream.io Inc. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
| @testable import StreamChat | ||
| @testable import StreamChatSwiftUI | ||
| import XCTest | ||
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| final class MessageRelativeDateFormatter_Tests: StreamChatTestCase { | ||
| private var formatter: MessageRelativeDateFormatter! | ||
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| override func setUp() { | ||
| super.setUp() | ||
| formatter = MessageRelativeDateFormatter() | ||
| formatter.locale = Locale(identifier: "en_UK") | ||
| formatter.todayFormatter.locale = Locale(identifier: "en_UK") | ||
| formatter.yesterdayFormatter.locale = Locale(identifier: "en_UK") | ||
| } | ||
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| override func tearDown() { | ||
| super.tearDown() | ||
| formatter = nil | ||
| } | ||
|
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| func test_showingTimeOnly() throws { | ||
| let date = try XCTUnwrap(Calendar.current.date(bySettingHour: 1, minute: 2, second: 3, of: Date())) | ||
| let result = formatter.string(from: date) | ||
| let expected = formatter.todayFormatter.string(from: date) | ||
| XCTAssertEqual(expected, result) | ||
| XCTAssertEqual("01:02", result) | ||
| } | ||
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| func test_showingYesterday() throws { | ||
| let date = try XCTUnwrap(Calendar.current.date(byAdding: .day, value: -1, to: Date())) | ||
| let result = formatter.string(from: date) | ||
| let expected = formatter.yesterdayFormatter.string(from: date) | ||
| XCTAssertEqual(expected, result) | ||
| XCTAssertEqual("Yesterday", result) | ||
| } | ||
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| func test_showingWeekday() throws { | ||
| let date = try XCTUnwrap(Calendar.current.date(byAdding: .day, value: -6, to: Date())) | ||
| let result = formatter.string(from: date) | ||
| let expected = formatter.weekdayFormatter.string(from: date) | ||
| XCTAssertEqual(expected, result) | ||
| } | ||
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| func test_showingShortDate() throws { | ||
| let components = DateComponents( | ||
| timeZone: TimeZone(secondsFromGMT: 0), | ||
| year: 2025, | ||
| month: 1, | ||
| day: 15, | ||
| hour: 3, | ||
| minute: 4, | ||
| second: 5 | ||
| ) | ||
| let date = try XCTUnwrap(Calendar.current.date(from: components)) | ||
| let result = formatter.string(from: date) | ||
| XCTAssertEqual("15/01/2025", result) | ||
| } | ||
| } |
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