status-desktop/ui/app/AppLayouts/Chat/ChatColumn/MessageComponents/DateGroup.qml

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QML
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import QtQuick 2.3
import "../../../../../shared"
import "../../../../../imports"
StyledText {
property int previousMessageIndex: -1
property string previousMessageTimestamp
property string messageTimestamp
id: dateGroupLbl
font.pixelSize: 13
color: Style.current.secondaryText
horizontalAlignment: Text.AlignHCenter
anchors.horizontalCenter: activityCenterMessage ? undefined : parent.horizontalCenter
anchors.top: parent.top
anchors.topMargin: visible ? (activityCenterMessage ? Style.current.halfPadding : 20) : 0
anchors.left: parent.left
anchors.leftMargin: activityCenterMessage ? Style.current.padding : 0
text: {
if (previousMessageIndex === -1) return ""; // identifier
let now = new Date()
let yesterday = new Date()
yesterday.setDate(now.getDate()-1)
let currentMsgDate = new Date(parseInt(messageTimestamp, 10));
let prevMsgDate = previousMessageTimestamp === "" ? undefined : new Date(parseInt(previousMessageTimestamp, 10));
if (!!prevMsgDate && currentMsgDate.getDay() === prevMsgDate.getDay()) {
return ""
}
if (now.toDateString() === currentMsgDate.toDateString()) {
//% "Today"
return qsTrId("today")
} else if (yesterday.toDateString() === currentMsgDate.toDateString()) {
//% "Yesterday"
return qsTrId("yesterday")
} else {
const monthNames = [
//% "January"
qsTrId("january"),
//% "February"
qsTrId("february"),
//% "March"
qsTrId("march"),
//% "April"
qsTrId("april"),
//% "May"
qsTrId("may"),
//% "June"
qsTrId("june"),
//% "July"
qsTrId("july"),
//% "August"
qsTrId("august"),
//% "September"
qsTrId("september"),
//% "October"
qsTrId("october"),
//% "November"
qsTrId("november"),
//% "December"
qsTrId("december")
];
return monthNames[currentMsgDate.getMonth()] + ", " + currentMsgDate.getDate()
}
}
visible: text !== ""
}