Added option to import books from CSV.

app/src/main/java/software/mdev/bookstracker/other/Backup.kt

@@ -9,6 +9,7 @@ import android.view.View
 import android.widget.ProgressBar
 import androidx.core.content.FileProvider.getUriForFile
 import androidx.sqlite.db.SimpleSQLiteQuery
+import com.github.doyaaaaaken.kotlincsv.dsl.csvReader
 import kotlinx.android.synthetic.main.fragment_add_book_search.*
 import kotlinx.coroutines.*
 import software.mdev.bookstracker.BuildConfig
@@ -21,6 +22,7 @@ import software.mdev.bookstracker.data.db.entities.Year
 import software.mdev.bookstracker.ui.bookslist.ListActivity
 import java.io.*
 import java.lang.StringBuilder
+import java.text.Normalizer
 import java.text.SimpleDateFormat
 import java.util.*
 import java.util.zip.*
@@ -125,6 +127,10 @@ class Backup {
         activity.selectBackup.launch("*/*")
     }
 
+    fun runImporterCSV(activity: ListActivity) {
+        activity.selectCSV.launch("text/*")
+    }
+
     // Import a backup overwriting any existing data and checking if the file is valid
     suspend fun importBackup(context: Context, fileUri: Uri): Boolean {
         when (validateBackup(fileUri, context)) {
@@ -251,6 +257,26 @@ class Backup {
         }
     }
 
+    fun importCSV(context: Context, fileUri: Uri): Boolean {
+        try {
+            val fileStream = context.contentResolver.openInputStream(fileUri)!!
+            val books = parseGoodReadsCSV(fileStream)
+
+            for (book in books)
+                (context as ListActivity).booksViewModel.upsert(book)
+
+            (context as ListActivity).showSnackbar(context.getString(R.string.backup_import_success))
+        } catch (e: Exception) {
+            val string = "${context.getString(R.string.csv_import_failure)}: $e"
+            (context as ListActivity).showSnackbar(string)
+            e.printStackTrace()
+            return false
+        }
+
+        restartActivity(context)
+        return true
+    }
+
     private fun zipAll(directory: String, zipFile: String) {
         val sourceFile = File(directory)
         val outputZipFile = File(zipFile)
@@ -341,4 +367,84 @@ class Backup {
                 progressBar?.bringToFront()
         }
     }
+
+    private fun parseGoodReadsCSV(inputStream: InputStream): List<Book> {
+        val rows = csvReader().readAllWithHeader(inputStream)
+        var newBooks: MutableList<Book> = ArrayList()
+
+        for (row in rows)
+            newBooks.add(parseGoodReadsBook(row))
+
+        return newBooks
+    }
+
+    private fun parseGoodReadsBook(row: Map<String, String>): Book {
+        val regexUnaccented = "\\p{InCombiningDiacriticalMarks}+".toRegex()
+
+        fun CharSequence.unaccented(): String {
+            val temp = Normalizer.normalize(this, Normalizer.Form.NFD)
+            return regexUnaccented.replace(temp, "")
+        }
+
+        val title = row["Title"] ?: Constants.EMPTY_STRING
+
+        var author: String = row["Author"] ?: Constants.EMPTY_STRING
+        val additionalAuthors = row["Additional Authors"] ?: Constants.EMPTY_STRING
+        if (additionalAuthors.isNotEmpty())
+            author = "$author, $additionalAuthors"
+
+        var dateAdded = Constants.DATABASE_EMPTY_VALUE
+        if (row["Date Added"]?.isNotEmpty() == true) {
+            dateAdded = row["Date Added"]?.let {
+                SimpleDateFormat("yyyy/MM/dd").parse(it).time
+            }.toString()
+        }
+
+        var dateStarted = Constants.DATABASE_EMPTY_VALUE
+        if (row["Date Started"]?.isNotEmpty() == true) {
+            dateStarted = row["Date Started"]?.let {
+                SimpleDateFormat("yyyy/MM/dd").parse(it).time
+            }.toString()
+        }
+
+        val bookStatus = when (row["Exclusive Shelf"]) {
+            "currently-reading" -> Constants.BOOK_STATUS_IN_PROGRESS
+            "to-read" -> Constants.BOOK_STATUS_TO_READ
+            else -> Constants.BOOK_STATUS_READ
+        }
+
+        var dateFinished = Constants.DATABASE_EMPTY_VALUE
+        if (row["Date Read"]?.isNotEmpty() == true) {
+            dateFinished = row["Date Read"]?.let {
+                SimpleDateFormat("yyyy/MM/dd").parse(it).time
+            }.toString()
+        } else if (bookStatus == Constants.BOOK_STATUS_READ) {
+            dateFinished = dateAdded
+        }
+
+        return Book(
+            bookTitle = title,
+            bookAuthor = author,
+            bookRating = row["My Rating"]?.toFloatOrNull() ?: 0F,
+            bookStatus = bookStatus,
+            bookPriority = Constants.DATABASE_EMPTY_VALUE,
+            bookStartDate = dateStarted,
+            bookFinishDate = dateFinished,
+            bookNumberOfPages = row["Number of Pages"]?.toIntOrNull() ?: 0,
+            bookTitle_ASCII = title.unaccented().replace("ł", "l", false),
+            bookAuthor_ASCII = author.unaccented().replace("ł", "l", false),
+            bookIsDeleted = false,
+            bookCoverUrl = Constants.DATABASE_EMPTY_VALUE,
+            bookOLID = Constants.DATABASE_EMPTY_VALUE,
+            bookISBN10 = row["ISBN"]?.removeSurrounding("=\"", "\"")
+                ?: Constants.DATABASE_EMPTY_VALUE,
+            bookISBN13 = row["ISBN13"]?.removeSurrounding("=\"", "\"")
+                ?: Constants.DATABASE_EMPTY_VALUE,
+            bookPublishYear = row["Original Publication Year"]?.toIntOrNull() ?: 0,
+            bookIsFav = false,
+            bookCoverImg = null,
+            bookNotes = row["My Review"] ?: Constants.DATABASE_EMPTY_VALUE,
+            bookTags = null,
+        )
+    }
 }

app/src/main/java/software/mdev/bookstracker/other/Constants.kt

@@ -112,6 +112,7 @@ object Constants {
     const val KEY_IMPORT = "KEY_IMPORT"
     const val KEY_CHANGELOG = "KEY_CHANGELOG"
     const val KEY_FEEDBACK = "KEY_FEEDBACK"
+    const val KEY_CSV_IMPORT = "KEY_CSV_IMPORT"
 
     const val EMPTY_STRING = ""
 

app/src/main/java/software/mdev/bookstracker/ui/bookslist/ListActivity.kt

@@ -983,6 +983,18 @@ class ListActivity : AppCompatActivity() {
             }
         }
 
+    val selectCSV =
+        registerForActivityResult(ActivityResultContracts.GetContent()) { fileUri: Uri? ->
+            try {
+                CoroutineScope(Dispatchers.IO).launch {
+                    if (fileUri != null) Backup().importCSV(listActivity, fileUri)
+                }
+            } catch (e: IOException) {
+                showSnackbar(e.toString())
+                e.printStackTrace()
+            }
+        }
+
     override fun onRequestPermissionsResult(
         requestCode: Int,
         permissions: Array<out String>,

app/src/main/java/software/mdev/bookstracker/ui/bookslist/fragments/SettingsFragment.kt

@@ -19,6 +19,7 @@ import software.mdev.bookstracker.ui.bookslist.viewmodel.BooksViewModel
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
+import software.mdev.bookstracker.other.Backup
 
 
 class SettingsFragment : PreferenceFragmentCompat(), OnSharedPreferenceChangeListener {
@@ -34,6 +35,7 @@ class SettingsFragment : PreferenceFragmentCompat(), OnSharedPreferenceChangeLis
         val preferenceChangelog = findPreference<Preference>(Constants.KEY_CHANGELOG)
         val preferenceBackup = findPreference<Preference>(Constants.KEY_BACKUP)
         val preferenceFeedback = findPreference<Preference>(Constants.KEY_FEEDBACK)
+        val preferenceCsvImport = findPreference<Preference>(Constants.KEY_CSV_IMPORT)
 
         if (preferenceCheckForUpdates != null) {
             val updater = Updater()
@@ -73,6 +75,13 @@ class SettingsFragment : PreferenceFragmentCompat(), OnSharedPreferenceChangeLis
                 true
             }
         }
+
+        if (preferenceCsvImport != null) {
+            preferenceCsvImport.onPreferenceClickListener = Preference.OnPreferenceClickListener {
+                Backup().runImporterCSV(activity as ListActivity)
+                true
+            }
+        }
     }
 
     override fun onResume() {

app/src/main/res/drawable/ic_iconscout_file_import_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#0092E4"
+        android:pathData="M11,20H6a1,1 0,0 1,-1 -1V5A1,1 0,0 1,6 4h5V7a3,3 0,0 0,3 3h3v2a1,1 0,0 0,2 0V9s0,0 0,-0.06a1.31,1.31 0,0 0,-0.06 -0.27l0,-0.09a1.32,1.32 0,0 0,-0.19 -0.29h0l-6,-6h0a1.32,1.32 0,0 0,-0.29 -0.19,0.32 0.32,0 0,0 -0.09,0L12.06,2H6A3,3 0,0 0,3 5V19a3,3 0,0 0,3 3h5a1,1 0,0 0,0 -2ZM13,5.41 L15.59,8H14a1,1 0,0 1,-1 -1ZM19,15H13.41l1.3,-1.29a1,1 0,0 0,-1.42 -1.42l-3,3a1.15,1.15 0,0 0,-0.21 0.33,1 1,0 0,0 0,0.76 0.93,0.93 0,0 0,0.21 0.33l3,3a1,1 0,0 0,1.42 0,1 1,0 0,0 0,-1.42L13.41,17H19a1,1 0,0 0,0 -2Z" />
+</vector>

app/src/main/res/values-cs-rCZ/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-da-rDK/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fast backup i F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Forbedret backup af større biblioteker.</string>
     <string name="changelog_1_14_2_b">Forbedrede oversættelser.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-de-rDE/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fehlerkorrektur in F-Droid Variante.</string>
     <string name="changelog_1_14_2_a">Verbessertes Backup für größere Bibliotheken.</string>
     <string name="changelog_1_14_2_b">Verbesserte Übersetzungen.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-el-rGR/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-es-rES/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Copia de seguridad fija en la variante F-Droid.</string>
     <string name="changelog_1_14_2_a">Copia de seguridad mejorada para bibliotecas más grandes.</string>
     <string name="changelog_1_14_2_b">Traducciones mejoradas.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-fi-rFI/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-fr-rFR/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Sauvegarde réparée dans la variante F-Droid.</string>
     <string name="changelog_1_14_2_a">Amélioration de la sauvegarde pour les bibliothèques plus grandes.</string>
     <string name="changelog_1_14_2_b">Traductions améliorées.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-hu-rHU/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-it-rIT/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Backup fisso nella variante F-Droid.</string>
     <string name="changelog_1_14_2_a">Backup migliorato per librerie più grandi.</string>
     <string name="changelog_1_14_2_b">Traduzioni migliorate.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-nl-rNL/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-no-rNO/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-pl-rPL/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Naprawiono kopię zapasową w wariancie F-Droid.</string>
     <string name="changelog_1_14_2_a">Ulepszono kopię zapasową dla większych bilbiotek.</string>
     <string name="changelog_1_14_2_b">Ulepszono tłumaczenia.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-pt-rBR/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-pt-rPT/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-ro-rRO/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-ru-rRU/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-sr-rSP/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-sv-rSE/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-ta-rIN/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-tr-rTR/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/values-uk-rUA/strings.xml

@@ -295,4 +295,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

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

@@ -327,4 +327,7 @@
     <string name="changelog_1_14_0_h">Fixed backup in F-Droid variant.</string>
     <string name="changelog_1_14_2_a">Improved backup for bigger libraries.</string>
     <string name="changelog_1_14_2_b">Improved translations.</string>
+    <string name="import_csv_summary">Migrate from other reading apps</string>
+    <string name="import_csv_title">Import books from CSV</string>
+    <string name="csv_import_failure">CSV import failed</string>
 </resources>

app/src/main/res/xml/preferences.xml

@@ -28,6 +28,12 @@
         android:summary="@string/backup_summary"
         android:title="@string/backup_title" />
 
+    <Preference
+        android:icon="@drawable/ic_iconscout_file_import_24"
+        android:key="KEY_CSV_IMPORT"
+        android:summary="@string/import_csv_summary"
+        android:title="@string/import_csv_title" />
+
     <PreferenceCategory
         android:key="customization"
         android:title="@string/customization">