Added migration to Paging v3

FlowCrypt/build.gradle

@@ -210,7 +210,8 @@ android {
     kotlinOptions {
         jvmTarget = "11"
         //need for ACRA, maybe will be deleted in the upcoming updates
-        freeCompilerArgs = ['-Xjvm-default=enable']
+        freeCompilerArgs += ['-Xjvm-default=enable']
+        freeCompilerArgs += ["-Xopt-in=kotlin.RequiresOptIn"]
     }
 
     packagingOptions {
@@ -382,6 +383,7 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.5.0-rc01'
     implementation 'androidx.room:room-runtime:2.4.2'
     implementation 'androidx.room:room-ktx:2.4.2'
+    implementation 'androidx.room:room-paging:2.4.2'
     implementation 'androidx.paging:paging-runtime-ktx:3.1.1'
     implementation 'androidx.preference:preference-ktx:1.2.0'
     implementation 'androidx.core:core-ktx:1.7.0'

FlowCrypt/src/main/java/com/flowcrypt/email/api/email/FoldersManager.kt

@@ -222,7 +222,7 @@ class FoldersManager constructor(val account: String) {
     sentFolder?.let { return it }
 
     for (localFolder in allFolders) {
-      if (localFolder.fullName.toUpperCase(Locale.US) in arrayOf("INBOX/SENT", "SENT")) {
+      if (localFolder.fullName.uppercase(Locale.US) in arrayOf("INBOX/SENT", "SENT")) {
         sentFolder = localFolder
       }
     }
@@ -404,8 +404,8 @@ class FoldersManager constructor(val account: String) {
      * @return [FolderType].
      */
     fun getFolderType(localFolder: LocalFolder?): FolderType? {
-      val folderTypes = FolderType.values()
       val attributes = localFolder?.attributes ?: emptyList()
+      val folderTypes = FolderType.values()
 
       for (attribute in attributes) {
         for (folderType in folderTypes) {

FlowCrypt/src/main/java/com/flowcrypt/email/api/email/JavaEmailConstants.kt

@@ -18,7 +18,6 @@ class JavaEmailConstants {
 
     const val DEFAULT_FETCH_BUFFER = 1024 * 1024
     const val ATTACHMENTS_FETCH_BUFFER = 1024 * 256
-    const val COUNT_OF_LOADED_EMAILS_BY_STEP = 45
 
     /*IMAP*/
     const val PROPERTY_NAME_MAIL_IMAP_SSL_ENABLE = "mail.imap.ssl.enable"

FlowCrypt/src/main/java/com/flowcrypt/email/api/email/gmail/GmailApiHelper.kt

@@ -109,8 +109,6 @@ class GmailApiHelper {
       "CATEGORY_PROMOTIONS",
       "CATEGORY_SOCIAL"
     )
-    private const val COUNT_OF_LOADED_EMAILS_BY_STEP =
-      JavaEmailConstants.COUNT_OF_LOADED_EMAILS_BY_STEP.toLong()
 
     private val FULL_INFO_WITHOUT_DATA = listOf(
       "id",
@@ -220,16 +218,19 @@ class GmailApiHelper {
     }
 
     suspend fun loadMsgsBaseInfo(
-      context: Context, accountEntity: AccountEntity, localFolder:
-      LocalFolder, nextPageToken: String? = null
+      context: Context,
+      accountEntity: AccountEntity,
+      localFolder: LocalFolder,
+      maxResults: Long,
+      nextPageToken: String? = null
     ): ListMessagesResponse = withContext(Dispatchers.IO) {
       val gmailApiService = generateGmailApiService(context, accountEntity)
       val request = gmailApiService
         .users()
         .messages()
         .list(DEFAULT_USER_ID)
         .setPageToken(nextPageToken)
-        .setMaxResults(COUNT_OF_LOADED_EMAILS_BY_STEP)
+        .setMaxResults(maxResults)
 
       if (!localFolder.isAll()) {
         request.labelIds = listOf(localFolder.fullName)
@@ -583,8 +584,11 @@ class GmailApiHelper {
     }
 
     suspend fun loadMsgsBaseInfoUsingSearch(
-      context: Context, accountEntity: AccountEntity,
-      localFolder: LocalFolder, nextPageToken: String? = null
+      context: Context,
+      accountEntity: AccountEntity,
+      localFolder: LocalFolder,
+      maxResults: Long,
+      nextPageToken: String? = null
     ):
         ListMessagesResponse = withContext(Dispatchers.IO) {
 
@@ -601,7 +605,7 @@ class GmailApiHelper {
           ) as? GmailRawSearchTerm)?.pattern
         )
         .setPageToken(nextPageToken)
-        .setMaxResults(COUNT_OF_LOADED_EMAILS_BY_STEP)
+        .setMaxResults(maxResults)
       return@withContext list.execute()
     }