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SES360-time-date-formats
Al Lansley 7 months ago committed by fanchao
parent 31b7ee3ae0
commit 4094b84f7d
1 changed files with 93 additions and 42 deletions
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135
app/src/main/java/org/thoughtcrime/securesms/util/DateUtils.kt
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@ -46,11 +46,14 @@ object DateUtils : android.text.format.DateUtils() {
// We set them as invalid on startup (range is 0..8 and 0..2 respectively) so we only have to
// retrieve the preference once rather than every time we wish to format a date or time.
// See: TextSecurePreferences.DATE_FORMAT_PREF and TextSecurePreferences for further details.
// Note: For testing you can just set these values to something which isn't -1 and it will
// bypass the retrieve-from-pref operation and use the associated format.
private var userPreferredTimeFormat: Int = -1
private var userPreferredDateFormat: Int = -1
private var userPreferredDateFormat: Int = 7
// String for the actual date format pattern that `userPreferredDataFormat` equates to - we'll
// start it off as a sane default.
// start it off as a sane default, and update it to either follow the system or a specific
// format as the user desires.
private var userPreferredDateFormatPattern = "dd/MM/YYYY"
private fun isWithin(millis: Long, span: Long, unit: TimeUnit): Boolean {
@ -92,9 +95,12 @@ object DateUtils : android.text.format.DateUtils() {
}
// THIS IS THE METHOD THAT ACTUALLY GETS USED TO GET THE DATE TIME
fun getFormattedDateTime(time: Long, template: String, locale: Locale): String {
fun getFormattedDateTime(timestamp: Long, template: String, locale: Locale): String {
Log.w("ACL", "Getting formatted datetime - template is: " + template)
val localizedPattern = getLocalizedPattern(template, locale)
return SimpleDateFormat(localizedPattern, locale).format(Date(time))
Log.w("ACL", "Which turns into localizedPattern: " + localizedPattern)
return SimpleDateFormat(template, locale).format(Date(timestamp))
}
// Method to get the user's preferred time format, whether that's 12-hour or 24-hour
@ -126,8 +132,53 @@ object DateUtils : android.text.format.DateUtils() {
return if (userPreferredTimeFormat == 1) "hh:mm a" else "HH:mm"
}
// Method to take the SimpleDateFormat.getPattern() string and set the user's preferred date format appropriately
private fun updateDateFormatSettingsFromPattern(dateFormatPattern: String) {
when (dateFormatPattern) {
"M/d/yy" -> { userPreferredDateFormat = 1; userPreferredDateFormatPattern = dateFormatPattern }
"d/M/yy" -> { userPreferredDateFormat = 2; userPreferredDateFormatPattern = dateFormatPattern }
"dd/MM/yyyy" -> { userPreferredDateFormat = 3; userPreferredDateFormatPattern = dateFormatPattern }
"dd.MM.yyyy" -> { userPreferredDateFormat = 4; userPreferredDateFormatPattern = dateFormatPattern }
"dd-MM-yyyy" -> { userPreferredDateFormat = 5; userPreferredDateFormatPattern = dateFormatPattern }
"yyyy/M/d" -> { userPreferredDateFormat = 6; userPreferredDateFormatPattern = dateFormatPattern }
"yyyy.M.d" -> { userPreferredDateFormat = 7; userPreferredDateFormatPattern = dateFormatPattern }
"yyyy-M-d" -> { userPreferredDateFormat = 8; userPreferredDateFormatPattern = dateFormatPattern }
else -> {
// Sane fallback for unrecognised date format patten
userPreferredDateFormat = 3; userPreferredDateFormatPattern = "dd/MM/yyyy"
}
}
}
// Method to take an int from the user's dateFormatPref and update our date format pattern accordingly
private fun updateDateFormatSettingsFromInt(dateFormatPrefInt: Int) {
var mutableDateFormatPrefInt = dateFormatPrefInt
// There's probably a more elegant way to do this - but we can't use `.also { }` because
// the else block
when (mutableDateFormatPrefInt) {
1 -> { userPreferredDateFormatPattern = "M/d/yy" }
2 -> { userPreferredDateFormatPattern = "d/M/yy" }
3 -> { userPreferredDateFormatPattern = "dd/MM/yyyy" }
4 -> { userPreferredDateFormatPattern = "dd.MM.yyyy" }
5 -> { userPreferredDateFormatPattern = "dd-MM-yyyy" }
6 -> { userPreferredDateFormatPattern = "yyyy/M/d" }
7 -> { userPreferredDateFormatPattern = "yyyy.M.d" }
8 -> { userPreferredDateFormatPattern = "yyyy-M-d" }
else -> {
// Sane fallback for unrecognised date format pattern ("dd/MM/yyyy")
Log.w("DateUtils", "Bad dateFormatPrefInt - falling back to dd/MM/yyyy")
mutableDateFormatPrefInt = 3 // Because we 'also' update our setting from this!
userPreferredDateFormatPattern = "dd/MM/yyyy"
}
}.also {
// Typically we pass in `userPreferredDataFormat` TO this method - but because we perform
// sanitisation in the case of a bad value we'll also write a cleaned version back to the var.
userPreferredDateFormat = mutableDateFormatPrefInt
}
}
fun getDisplayFormattedTimeSpanString(c: Context, locale: Locale, timestamp: Long): String {
// Note: Date-formats are in TR-35 format.
// Note: Date patterns are in TR-35 format.
// See: https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Format_Patterns
val t = if (isToday(timestamp)) {
Log.w("ACL", "Within today")
@ -149,55 +200,55 @@ object DateUtils : android.text.format.DateUtils() {
Log.w("ACL", "More than 1 year")
// If the date is more than a year ago then we get "19 July 2023, 16:19" type format
// If this is the first run..
// If the app has just started..
if (userPreferredDateFormat == -1) {
// ..update our preferred date format (will return -1 if no saved pref).
userPreferredDateFormat = TextSecurePreferences.getDateFormatPref(c)
// If no saved value was written we'll write 0 for "Follow system setting" - this will only run on first install
// If we don't have a saved date format pref we'll write 0 for "Follow system setting".
// Note: This will only execute on first install & run where the pref doesn't exist.
if (userPreferredDateFormat == -1) {
userPreferredDateFormat = 0
TextSecurePreferences.setDateFormatPref(c, userPreferredDateFormat)
}
}
// --- At this point we will always have _some_ preferred date format ---
// If the preferred date format is "Follow system setting" then we need to find out what the system setting is!
if (userPreferredDateFormat == 0) {
val dateFormat = DateFormat.getDateFormat(c)
// If the preferred date format is "Follow system setting" then we need to find out what the system setting is!
if (userPreferredDateFormat == 0) {
val dateFormat = DateFormat.getDateFormat(c)
// Check if the DateFormat instance is a SimpleDateFormat
if (dateFormat is SimpleDateFormat) {
val dateFormatPattern = dateFormat.toLocalizedPattern()
Log.w("ACL", "Date pattern: " + dateFormat.toPattern())
when (dateFormatPattern) {
"M/d/yy" -> { userPreferredDateFormat = 1; userPreferredDateFormatPattern = dateFormatPattern }
"d/M/yy" -> { userPreferredDateFormat = 2; userPreferredDateFormatPattern = dateFormatPattern }
"dd/MM/yyyy" -> { userPreferredDateFormat = 3; userPreferredDateFormatPattern = dateFormatPattern }
"dd.MM.yyyy" -> { userPreferredDateFormat = 4; userPreferredDateFormatPattern = dateFormatPattern }
"dd-MM-yyyy" -> { userPreferredDateFormat = 5; userPreferredDateFormatPattern = dateFormatPattern }
"yyyy/M/d" -> { userPreferredDateFormat = 6; userPreferredDateFormatPattern = dateFormatPattern }
"yyyy.M.d" -> { userPreferredDateFormat = 7; userPreferredDateFormatPattern = dateFormatPattern }
"yyyy-M-d" -> { userPreferredDateFormat = 8; userPreferredDateFormatPattern = dateFormatPattern }
else -> {
userPreferredDateFormat = 3; userPreferredDateFormatPattern = "dd/MM/yyyy" // Sane fallback
}
}
} else {
// If the dateFormat isn't a SimpleDateFormat from which we can extract a pattern then the best
// we can do is pick a sensible default like dd/MM/YYYY - which equates to option 3 out of our
// available options (see TextSecurePreferences.DATE_FORMAT_PREF for further details).
userPreferredDateFormat = 3
// IMPORTANT: We don't WRITE this to the pref so that "Follow system setting" remains - we just use it while the app is running!
}
// Set the time format we'll use to either 24 or 12 hours.
// IMPORTANT: We don't WRITE this to the pref - we just use it while the app is running!
// Note: See TextSecurePreferences.TIME_FORMAT_PREF for further details of available formats.
//userPreferredTimeFormat = if (is24HourFormat) 2 else 1
// Check if the DateFormat instance is a SimpleDateFormat
if (dateFormat is SimpleDateFormat) {
val dateFormatPattern = dateFormat.toLocalizedPattern()
Log.w("ACL", "Date pattern: " + dateFormat.toPattern())
// System setting has a date format pattern? Cool - let's use it, whatever it might be
userPreferredDateFormatPattern = dateFormatPattern
// Update our userPreferredDateFormat & pattern from the system setting
//updateDateFormatSettingsFromPattern(dateFormatPattern)
} else {
// If the dateFormat ISN'T a SimpleDateFormat from which we can extract a pattern then the best
// we can do is pick a sensible default like dd/MM/YYYY - which equates to option 3 out of our
// available options (see TextSecurePreferences.DATE_FORMAT_PREF for further details).
userPreferredDateFormat = 3
userPreferredDateFormatPattern = "dd/MM/yyyy"
}
// IMPORTANT: We neverdon't WRITE this to the pref so that "Follow system setting" remains
// - we just use it while the app is running!
} else {
// If the user has asked for a specific date format that isn't "Follow system setting"
// then update our date formatting settings from that preference.
updateDateFormatSettingsFromInt(userPreferredDateFormat)
}
getFormattedDateTime(timestamp, "MMM d " + getHourFormat(c) + ", yyyy", locale)
//userPreferredDateFormatPattern
getFormattedDateTime(timestamp, userPreferredDateFormatPattern, locale)
//getFormattedDateTime(timestamp, "MMM d " + getHourFormat(c) + ", yyyy", locale)
}
Log.w("ACL", "t is: $t")

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