Use more orEmpty extensions (#3399)

https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/or-empty.html
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/or-empty.html

app/src/main/java/com/keylesspalace/tusky/AccountsInListFragment.kt

@@ -114,7 +114,7 @@ class AccountsInListFragment : DialogFragment(), Injectable {
         binding.searchView.isSubmitButtonEnabled = true
         binding.searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
             override fun onQueryTextSubmit(query: String?): Boolean {
-                viewModel.search(query ?: "")
+                viewModel.search(query.orEmpty())
                 return true
             }
 

app/src/main/java/com/keylesspalace/tusky/EditProfileActivity.kt

@@ -136,7 +136,7 @@ class EditProfileActivity : BaseActivity(), Injectable {
                         binding.noteEditText.setText(me.source?.note)
                         binding.lockedCheckBox.isChecked = me.locked
 
-                        accountFieldEditAdapter.setFields(me.source?.fields ?: emptyList())
+                        accountFieldEditAdapter.setFields(me.source?.fields.orEmpty())
                         binding.addFieldButton.isVisible =
                             (me.source?.fields?.size ?: 0) < maxAccountFields
 

app/src/main/java/com/keylesspalace/tusky/components/account/AccountActivity.kt

@@ -463,8 +463,8 @@ class AccountActivity : BottomSheetActivity(), ActionButtonActivity, MenuProvide
         val emojifiedNote = account.note.parseAsMastodonHtml().emojify(account.emojis, binding.accountNoteTextView, animateEmojis)
         setClickableText(binding.accountNoteTextView, emojifiedNote, emptyList(), null, this)
 
-        accountFieldAdapter.fields = account.fields ?: emptyList()
-        accountFieldAdapter.emojis = account.emojis ?: emptyList()
+        accountFieldAdapter.fields = account.fields.orEmpty()
+        accountFieldAdapter.emojis = account.emojis.orEmpty()
         accountFieldAdapter.notifyDataSetChanged()
 
         binding.accountLockedImageView.visible(account.locked)

app/src/main/java/com/keylesspalace/tusky/components/conversation/ConversationEntity.kt

@@ -145,7 +145,7 @@ fun TimelineAccount.toEntity() =
         username = username,
         displayName = name,
         avatar = avatar,
-        emojis = emojis ?: emptyList()
+        emojis = emojis.orEmpty()
     )
 
 fun Status.toEntity(

app/src/main/java/com/keylesspalace/tusky/components/preference/AccountPreferencesFragment.kt

@@ -207,7 +207,7 @@ class AccountPreferencesFragment : PreferenceFragmentCompat(), Injectable {
                     entryValues = (listOf("") + locales.map { it.language }).toTypedArray()
                     key = PrefKeys.DEFAULT_POST_LANGUAGE
                     icon = makeIcon(requireContext(), GoogleMaterial.Icon.gmd_translate, iconSize)
-                    value = accountManager.activeAccount?.defaultPostLanguage ?: ""
+                    value = accountManager.activeAccount?.defaultPostLanguage.orEmpty()
                     isPersistent = false // This will be entirely server-driven
                     setSummaryProvider { entry }
 
@@ -339,7 +339,7 @@ class AccountPreferencesFragment : PreferenceFragmentCompat(), Injectable {
                             it.defaultPostPrivacy = account.source?.privacy
                                 ?: Status.Visibility.PUBLIC
                             it.defaultMediaSensitivity = account.source?.sensitive ?: false
-                            it.defaultPostLanguage = language ?: ""
+                            it.defaultPostLanguage = language.orEmpty()
                             accountManager.saveAccount(it)
                         }
                     } else {

app/src/main/java/com/keylesspalace/tusky/components/report/fragments/ReportNoteFragment.kt

@@ -54,7 +54,7 @@ class ReportNoteFragment : Fragment(R.layout.fragment_report_note), Injectable {
 
     private fun handleChanges() {
         binding.editNote.doAfterTextChanged {
-            viewModel.reportNote = it?.toString() ?: ""
+            viewModel.reportNote = it?.toString().orEmpty()
         }
         binding.checkIsNotifyRemote.setOnCheckedChangeListener { _, isChecked ->
             viewModel.isRemoteNotify = isChecked

app/src/main/java/com/keylesspalace/tusky/components/search/SearchActivity.kt

@@ -114,7 +114,7 @@ class SearchActivity : BottomSheetActivity(), HasAndroidInjector, MenuProvider {
 
     private fun handleIntent(intent: Intent) {
         if (Intent.ACTION_SEARCH == intent.action) {
-            viewModel.currentQuery = intent.getStringExtra(SearchManager.QUERY) ?: ""
+            viewModel.currentQuery = intent.getStringExtra(SearchManager.QUERY).orEmpty()
             viewModel.search(viewModel.currentQuery)
         }
     }

app/src/main/java/com/keylesspalace/tusky/components/search/fragments/SearchStatusesFragment.kt

@@ -468,7 +468,7 @@ class SearchStatusesFragment : SearchFragment<StatusViewData.Concrete>(), Status
                                 val intent = ComposeActivity.startIntent(
                                     requireContext(),
                                     ComposeOptions(
-                                        content = redraftStatus.text ?: "",
+                                        content = redraftStatus.text.orEmpty(),
                                         inReplyToId = redraftStatus.inReplyToId,
                                         visibility = redraftStatus.visibility,
                                         contentWarning = redraftStatus.spoilerText,

app/src/main/java/com/keylesspalace/tusky/components/trending/TrendingAdapter.kt

@@ -72,7 +72,7 @@ class TrendingAdapter(
             is TrendingViewData.Tag -> {
                 val maxTrendingValue = currentList
                     .flatMap { trendingViewData ->
-                        trendingViewData.asTagOrNull()?.tag?.history ?: emptyList()
+                        trendingViewData.asTagOrNull()?.tag?.history.orEmpty()
                     }
                     .mapNotNull { it.uses.toLongOrNull() }
                     .maxOrNull() ?: 1

app/src/main/java/com/keylesspalace/tusky/db/AccountManager.kt

@@ -153,9 +153,9 @@ class AccountManager @Inject constructor(db: AppDatabase) {
             it.displayName = account.name
             it.profilePictureUrl = account.avatar
             it.defaultPostPrivacy = account.source?.privacy ?: Status.Visibility.PUBLIC
-            it.defaultPostLanguage = account.source?.language ?: ""
+            it.defaultPostLanguage = account.source?.language.orEmpty()
             it.defaultMediaSensitivity = account.source?.sensitive ?: false
-            it.emojis = account.emojis ?: emptyList()
+            it.emojis = account.emojis.orEmpty()
 
             Log.d(TAG, "updateActiveAccount: saving account with id " + it.id)
             accountDao.insertOrReplace(it)

app/src/main/java/com/keylesspalace/tusky/receiver/SendStatusBroadcastReceiver.kt

@@ -49,8 +49,8 @@ class SendStatusBroadcastReceiver : BroadcastReceiver() {
             val senderFullName = intent.getStringExtra(NotificationHelper.KEY_SENDER_ACCOUNT_FULL_NAME)
             val citedStatusId = intent.getStringExtra(NotificationHelper.KEY_CITED_STATUS_ID)
             val visibility = intent.getSerializableExtra(NotificationHelper.KEY_VISIBILITY) as Status.Visibility
-            val spoiler = intent.getStringExtra(NotificationHelper.KEY_SPOILER) ?: ""
-            val mentions = intent.getStringArrayExtra(NotificationHelper.KEY_MENTIONS) ?: emptyArray()
+            val spoiler = intent.getStringExtra(NotificationHelper.KEY_SPOILER).orEmpty()
+            val mentions = intent.getStringArrayExtra(NotificationHelper.KEY_MENTIONS).orEmpty()
 
             val account = accountManager.getAccountById(senderId)
 

app/src/main/java/com/keylesspalace/tusky/util/LinkHelper.kt

@@ -86,7 +86,7 @@ fun markupHiddenUrls(context: Context, content: CharSequence): SpannableStringBu
             false
         } else {
             val text = spannableContent.subSequence(start, spannableContent.getSpanEnd(it)).toString()
-                .split(' ').lastOrNull() ?: ""
+                .split(' ').lastOrNull().orEmpty()
             var textDomain = getDomain(text)
             if (textDomain.isBlank()) {
                 textDomain = getDomain("https://$text")

app/src/test/java/com/keylesspalace/tusky/util/LocaleUtilsTest.kt

@@ -73,7 +73,7 @@ class LocaleUtilsTest {
                         clientId = null,
                         clientSecret = null,
                         isActive = true,
-                        defaultPostLanguage = configuredLanguages[1] ?: "",
+                        defaultPostLanguage = configuredLanguages[1].orEmpty(),
                     )
                 )
             }