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Adjusted emoji rate limit to 20 reactions per minute to match acceptance criteria

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This commit is contained in:
alansley 2024-08-14 16:48:07 +10:00
parent edd154d8e1
commit 6cd6cc3e26
1 changed files with 20 additions and 7 deletions
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27
app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
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@ -286,9 +286,18 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
private val bufferedLastSeenChannel = Channel<Long>(capacity = 512, onBufferOverflow = BufferOverflow.DROP_OLDEST)
private var emojiPickerVisible = false
private val emojiRateLimiterQueue = LinkedList<String>()
private val emojiRateLimiterQueueSize = 4 // Maximum number of emoji reactions allowed per 20 seconds (as removal delay is 5 secs)
private val emojiRateLimiterRemovalDelayMS = 5000L // Remove an emoji from the queue after this many milliseconds
// Queue of timestamps of emoji reactions
private val emojiRateLimiterQueue = LinkedList<Long>()
// Our emoji queue size is the maximum number of emoji reactions allowed per minute - above this we'll
// display the "Slow down" toast (`emojiReactsCoolDown`) rather than performing the emoji reaction.
private val emojiRateLimiterQueueSize = 20
// Remove an emoji from the queue after this many milliseconds (60_000L is 1 minute in milliseconds)
private val emojiRateLimiterRemovalDelayMS = 60_000L / emojiRateLimiterQueueSize
// Handler to perform the emoji queue removal
private val emojiRateLimitHandler = Handler(Looper.getMainLooper())
private val isScrolledToBottom: Boolean
@ -1349,14 +1358,18 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
// Method to add an emoji to a queue and remove it a short while later - this is used as a
// rate-limiting mechanism and is called from the `sendEmojiReaction` method, below.
private fun currentlyEmojiReactRateLimited(emoji: String): Boolean {
private fun currentlyEmojiReactRateLimited(): Boolean {
// Note: While we could check if the queue is full AND THEN if the first element in
// the queue is less than 1 minute old and use that as our condition to rate-limit,
// just using the queue size (20) is functionality identical with a removal rate of
// 3 seconds.
if (emojiRateLimiterQueue.size >= emojiRateLimiterQueueSize) {
return true
} else {
// Add the emoji to the queue, then a little while later remove it
emojiRateLimiterQueue.add(emoji)
emojiRateLimiterQueue.add(System.currentTimeMillis())
emojiRateLimitHandler.postDelayed({
emojiRateLimiterQueue.remove(emoji)
emojiRateLimiterQueue.removeFirst()
}, emojiRateLimiterRemovalDelayMS)
return false
}
@ -1365,7 +1378,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
private fun sendEmojiReaction(emoji: String, originalMessage: MessageRecord) {
// Only allow the emoji reaction if we aren't currently rate limited
if (currentlyEmojiReactRateLimited(emoji)) {
if (currentlyEmojiReactRateLimited()) {
Toast.makeText(this, getString(R.string.emojiReactsCoolDown), Toast.LENGTH_SHORT).show()
return
}