Completed OTS Support

app/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -741,10 +741,10 @@ object LocalCache {
         // Already processed this event.
         if (version.event?.id() == event.id()) return
 
-        if (version.event == null) {
+        // makes sure the OTS has a valid certificate
-            // makes sure the OTS has a valid certificate
+        if (event.cacheVerify() == null) return // no valid OTS
-            if (event.cacheVerify() == null) return // no valid OTS
 
+        if (version.event == null) {
             version.loadEvent(event, author, emptyList())
 
             version.liveSet?.innerOts?.invalidateData()

app/src/main/java/com/vitorpamplona/amethyst/ui/note/NoteCompose.kt

@@ -241,6 +241,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.io.File
 import java.net.URL
+import java.text.SimpleDateFormat
+import java.util.Date
 import java.util.Locale
 
 @OptIn(ExperimentalFoundationApi::class)
@@ -2560,15 +2562,27 @@ fun DisplayOts(
     LoadOts(
         note,
         accountViewModel,
-        whenConfirmed = {
+        whenConfirmed = { unixtimestamp ->
             val context = LocalContext.current
-            val timeStr by remember(note) { mutableStateOf(timeAgo(it, context = context)) }
+            val timeStr by remember(unixtimestamp) { mutableStateOf(timeAgoNoDot(unixtimestamp, context = context)) }
 
-            Text(
+            ClickableText(
-                stringResource(id = R.string.existed_since, timeStr),
+                text = buildAnnotatedString { append(stringResource(id = R.string.existed_since, timeStr)) },
-                color = MaterialTheme.colorScheme.lessImportantLink,
+                onClick = {
-                fontSize = Font14SP,
+                    val fullDateTime =
-                fontWeight = FontWeight.Bold,
+                        SimpleDateFormat.getDateTimeInstance().format(Date(unixtimestamp * 1000))
+
+                    accountViewModel.toast(
+                        context.getString(R.string.ots_info_title),
+                        context.getString(R.string.ots_info_description, fullDateTime),
+                    )
+                },
+                style =
+                    LocalTextStyle.current.copy(
+                        color = MaterialTheme.colorScheme.lessImportantLink,
+                        fontSize = Font14SP,
+                        fontWeight = FontWeight.Bold,
+                    ),
                 maxLines = 1,
             )
         },
@@ -2688,11 +2702,12 @@ fun LoadOts(
 
     LaunchedEffect(key1 = noteStatus) {
         accountViewModel.findOtsEventsForNote(noteStatus?.note ?: note) { newOts ->
-            if (newOts == null) {
+            earliestDate =
-                earliestDate = GenericLoadable.Empty()
+                if (newOts == null) {
-            } else {
+                    GenericLoadable.Empty()
-                earliestDate = GenericLoadable.Loaded(newOts)
+                } else {
-            }
+                    GenericLoadable.Loaded(newOts)
+                }
         }
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/note/TimeAgoFormatter.kt

@@ -71,6 +71,46 @@ fun timeAgo(
     }
 }
 
+fun timeAgoNoDot(
+    time: Long?,
+    context: Context,
+): String {
+    if (time == null) return " "
+    if (time == 0L) return " ${context.getString(R.string.never)}"
+
+    val timeDifference = TimeUtils.now() - time
+
+    return if (timeDifference > TimeUtils.ONE_YEAR) {
+        // Dec 12, 2022
+
+        if (locale != Locale.getDefault()) {
+            locale = Locale.getDefault()
+            yearFormatter = SimpleDateFormat("MMM dd, yyyy", locale)
+            monthFormatter = SimpleDateFormat("MMM dd", locale)
+        }
+
+        yearFormatter.format(time * 1000)
+    } else if (timeDifference > TimeUtils.ONE_MONTH) {
+        // Dec 12
+        if (locale != Locale.getDefault()) {
+            locale = Locale.getDefault()
+            yearFormatter = SimpleDateFormat("MMM dd, yyyy", locale)
+            monthFormatter = SimpleDateFormat("MMM dd", locale)
+        }
+
+        monthFormatter.format(time * 1000)
+    } else if (timeDifference > TimeUtils.ONE_DAY) {
+        // 2 days
+        (timeDifference / TimeUtils.ONE_DAY).toString() + context.getString(R.string.d)
+    } else if (timeDifference > TimeUtils.ONE_HOUR) {
+        (timeDifference / TimeUtils.ONE_HOUR).toString() + context.getString(R.string.h)
+    } else if (timeDifference > TimeUtils.ONE_MINUTE) {
+        (timeDifference / TimeUtils.ONE_MINUTE).toString() + context.getString(R.string.m)
+    } else {
+        context.getString(R.string.now)
+    }
+}
+
 fun timeAgoShort(
     mills: Long?,
     stringForNow: String,

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/ThreadFeedView.kt

@@ -104,6 +104,7 @@ import com.vitorpamplona.amethyst.ui.note.BlankNote
 import com.vitorpamplona.amethyst.ui.note.CreateImageHeader
 import com.vitorpamplona.amethyst.ui.note.DisplayHighlight
 import com.vitorpamplona.amethyst.ui.note.DisplayLocation
+import com.vitorpamplona.amethyst.ui.note.DisplayOts
 import com.vitorpamplona.amethyst.ui.note.DisplayPeopleList
 import com.vitorpamplona.amethyst.ui.note.DisplayRelaySet
 import com.vitorpamplona.amethyst.ui.note.FileHeaderDisplay
@@ -449,6 +450,8 @@ fun NoteMaster(
                         if (pow > 20) {
                             DisplayPoW(pow)
                         }
+
+                        DisplayOts(note, accountViewModel)
                     }
                 }
             }

app/src/main/res/values/strings.xml

@@ -787,4 +787,7 @@
     <string name="git_web_address">Web:</string>
     <string name="git_clone_address">Clone:</string>
     <string name="existed_since">OTS: %1$s</string>
+
+    <string name="ots_info_title">Timestamp Proof</string>
+    <string name="ots_info_description">There\'s proof this post was signed sometime before %1$s. The proof was stamped in the Bitcoin blockchain at that date and time.</string>
 </resources>