Merge pull request #152 from samontab/preserve-imported-notes-modification-date

Preserve modified date when importing notes with date info

Author: farmerbb

app/src/main/java/com/farmerbb/notepad/usecase/ArtVandelay.kt

@@ -37,7 +37,7 @@ import org.koin.dsl.module
 
 interface ArtVandelay {
     fun importNotes(
-        saveImportedNote: (InputStream) -> Unit,
+        saveImportedNote: (InputStream, String) -> Unit,
         onComplete: (Int) -> Unit
     )
 
@@ -62,7 +62,7 @@ private class ArtVandelayImpl(
     private val fileManager: FileManager
 ): ArtVandelay {
     override fun importNotes(
-        saveImportedNote: (InputStream) -> Unit,
+        saveImportedNote: (InputStream, String) -> Unit,
         onComplete: (Int) -> Unit
     ) = fileChooser.openChooseMultiSelectFileDialog(
         importCallback(saveImportedNote, onComplete)
@@ -97,13 +97,19 @@ private class ArtVandelayImpl(
     private val registeredBaseDirs = mutableListOf<Uri>()
 
     private fun importCallback(
-        saveImportedNote: (InputStream) -> Unit,
+        saveImportedNote: (InputStream, String) -> Unit,
         onComplete: (Int) -> Unit
-    ) = object: FileMultiSelectChooserCallback() {
+    ) = object : FileMultiSelectChooserCallback() {
         override fun onResult(uris: List<Uri>) {
             with(fileManager) {
                 for (uri in uris) {
-                    fromUri(uri)?.let(::getInputStream)?.let(saveImportedNote)
+                    fromUri(uri)?.let { file ->
+                        val inputStream = getInputStream(file)
+                        val filename = file.getFullPath() // Extract filename from the file
+                        if (inputStream != null) {
+                            saveImportedNote(inputStream, filename)
+                        }
+                    }
                 }
 
                 onComplete(uris.size)
@@ -113,6 +119,7 @@ private class ArtVandelayImpl(
         override fun onCancel(reason: String) = Unit // no-op
     }
 
+
     private fun exportFolderCallback(
         hydratedNotes: List<Note>,
         filenameFormat: FilenameFormat,

app/src/main/java/com/farmerbb/notepad/viewmodel/NotepadViewModel.kt

@@ -61,6 +61,9 @@ import okio.source
 import org.koin.android.ext.koin.androidApplication
 import org.koin.androidx.viewmodel.dsl.viewModel
 import org.koin.dsl.module
+import java.text.SimpleDateFormat
+import java.util.Locale
+import java.util.Date
 
 class NotepadViewModel(
     private val context: Application,
@@ -372,13 +375,36 @@ class NotepadViewModel(
         }
     }
 
+
+    private fun parseDateFromFileName(filePath: String): Date? {
+        // Extracting the filename from the full path
+        val fileName = filePath.substring(filePath.lastIndexOf('/') + 1)
+
+        // Pattern to match the date in the filename
+        val datePattern = Regex("\\d{4}-\\d{2}-\\d{2}-\\d{2}-\\d{2}")
+
+        // Trying to find the date in the filename
+        val matchResult = datePattern.find(fileName)
+        return matchResult?.value?.let { dateString ->
+            try {
+                SimpleDateFormat("yyyy-MM-dd-HH-mm", Locale.getDefault()).parse(dateString)
+            } catch (e: Exception) {
+                null // Return null if the date cannot be parsed
+            }
+        }
+    }
+
     private fun saveImportedNote(
-        input: InputStream
+        input: InputStream,
+        filePath: String = ""
     ) = viewModelScope.launch(Dispatchers.IO) {
         input.source().buffer().use {
             val text = it.readUtf8()
             if (text.isNotEmpty()) {
-                repo.saveNote(text = text)
+                val modifiedDate = parseDateFromFileName(filePath)
+                //if the modifiedDate couldn't be parsed, use current date
+                val nonNullModifiedDate: Date = modifiedDate ?: Date()
+                repo.saveNote(text = text, date = nonNullModifiedDate)
             }
         }
     }