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Fix crashes when removing spaces in mention texts

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SessionHero01 2024-09-24 11:59:55 +10:00
parent da83df2206
commit 7e1a0ade79
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2 changed files with 12 additions and 3 deletions
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10
app/src/main/java/org/thoughtcrime/securesms/conversation/v2/mention/MentionViewModel.kt
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@ -202,13 +202,17 @@ class MentionViewModel(
val sb = StringBuilder() val sb = StringBuilder()
var offset = 0 var offset = 0
for ((span, range) in spansWithRanges) { for ((span, range) in spansWithRanges) {
// Add content before the mention span // Add content before the mention span. There's a possibility of overlapping spans so we need to
sb.append(editable, offset, range.first) // safe guard the start offset here to not go over our span's start.
val thisMentionStart = range.first
val lastMentionEnd = offset.coerceAtMost(thisMentionStart)
sb.append(editable, lastMentionEnd, thisMentionStart)
// Replace the mention span with "@public key" // Replace the mention span with "@public key"
sb.append('@').append(span.member.publicKey).append(' ') sb.append('@').append(span.member.publicKey).append(' ')
offset = range.last + 1 // Safe guard offset to not go over the end of the editable.
offset = (range.last + 1).coerceAtMost(editable.length)
} }
// Add the remaining content // Add the remaining content

5
app/src/test/java/org/thoughtcrime/securesms/conversation/v2/MentionViewModelTest.kt
View File

@ -179,6 +179,11 @@ class MentionViewModelTest {
// Should have normalised message with selected candidate // Should have normalised message with selected candidate
assertThat(mentionViewModel.normalizeMessageBody()) assertThat(mentionViewModel.normalizeMessageBody())
.isEqualTo("Hi @pubkey1 ") .isEqualTo("Hi @pubkey1 ")
// Should have correct normalised message even with the last space deleted
editable.delete(editable.length - 1, editable.length)
assertThat(mentionViewModel.normalizeMessageBody())
.isEqualTo("Hi @pubkey1 ")
} }
} }
} }