feat: Add simple properties file importer

backend/data/src/main/kotlin/io/tolgee/service/dataImport/processors/ProcessorFactory.kt

@@ -21,6 +21,7 @@ class ProcessorFactory {
       "po" -> PoFileProcessor(context)
       "xliff" -> XliffFileProcessor(context)
       "xlf" -> XliffFileProcessor(context)
+      "properties" -> PropertyFileProcessor(context)
       else -> throw ImportCannotParseFileException(file.name, "No matching processor")
     }
   }

backend/data/src/main/kotlin/io/tolgee/service/dataImport/processors/PropertyFileProcessor.kt

@@ -0,0 +1,15 @@
+package io.tolgee.service.dataImport.processors
+
+import java.util.Properties
+
+class PropertyFileProcessor(
+  override val context: FileProcessorContext,
+) : ImportFileProcessor() {
+  override fun process() {
+    val props = Properties()
+    props.load(context.file.inputStream)
+    props.entries.forEachIndexed { idx, it ->
+      context.addTranslation(it.key.toString(), languageNameGuesses[0], it.value, idx)
+    }
+  }
+}

backend/data/src/test/kotlin/io/tolgee/unit/service/dataImport/processors/processors/PropertiesParserTest.kt

@@ -0,0 +1,42 @@
+package io.tolgee.unit.service.dataImport.processors.processors
+
+import io.tolgee.dtos.dataImport.ImportFileDto
+import io.tolgee.model.dataImport.Import
+import io.tolgee.model.dataImport.ImportFile
+import io.tolgee.service.dataImport.processors.FileProcessorContext
+import io.tolgee.service.dataImport.processors.PropertyFileProcessor
+import org.assertj.core.api.Assertions
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.mockito.kotlin.mock
+import java.io.File
+
+class PropertiesParserTest {
+  private lateinit var importMock: Import
+  private lateinit var importFile: ImportFile
+  private lateinit var importFileDto: ImportFileDto
+  private lateinit var fileProcessorContext: FileProcessorContext
+
+  @BeforeEach
+  fun setup() {
+    importMock = mock()
+    importFile = ImportFile("messages_en.properties", importMock)
+    importFileDto = ImportFileDto(
+      "messages_en.properties",
+      File("src/test/resources/import/example.properties")
+        .inputStream()
+    )
+    fileProcessorContext = FileProcessorContext(importFileDto, importFile)
+  }
+
+  @Test
+  fun `returns correct parsed result`() {
+    PropertyFileProcessor(fileProcessorContext).process()
+    Assertions.assertThat(fileProcessorContext.languages).hasSize(1)
+    Assertions.assertThat(fileProcessorContext.translations).hasSize(4)
+    val text = fileProcessorContext.translations["Register"]?.get(0)?.text
+    Assertions.assertThat(text).isEqualTo("Veuillez vous enregistrer sur la page suivante.")
+    val multiLineText = fileProcessorContext.translations["Cleanup"]?.get(0)?.text
+    Assertions.assertThat(multiLineText).hasLineCount(3)
+  }
+}

backend/data/src/test/resources/import/example.properties

@@ -0,0 +1,7 @@
+Localization_tools=Lokaliza?ní nástroje
+
+Welcome=Herzlich Wilkommen
+# This is a comment
+Register=Veuillez vous enregistrer \
+  sur la page suivante.
+Cleanup=Veeg uw\n voeten\n voordat u binnengaat.

webapp/src/i18n/cs.json

@@ -497,7 +497,7 @@
   "import_file_issue_param_type_value" : "hodnota: {value}",
   "import_file_issues_title" : "Problémy souboru",
   "import_files_uploaded" : "Soubory byly nahrány",
-  "import_file_supported_formats" : "podporované formáty jsou .json, .xliff, .po",
+  "import_file_supported_formats" : "podporované formáty jsou .json, .xliff, .po, .properties",
   "import_language_select" : "Jazyk",
   "import_max_file_count_message" : "Příliš mnoho souborů",
   "import_namespace_name_header" : "Namespace",

webapp/src/i18n/da.json

@@ -497,7 +497,7 @@
   "import_file_issue_param_type_value" : "værdi: {value}",
   "import_file_issues_title" : "Problemer med filer",
   "import_files_uploaded" : "Filer uploaded",
-  "import_file_supported_formats" : "understøttede formater er .json, .xliff, .po",
+  "import_file_supported_formats" : "understøttede formater er .json, .xliff, .po, .properties",
   "import_language_select" : "Sprog",
   "import_max_file_count_message" : "For mange filer",
   "import_namespace_name_header" : "Navnerum",

webapp/src/i18n/de.json

@@ -427,7 +427,7 @@
   "import_file_issue_param_type_line" : "Zeile: {value}",
   "import_file_issue_param_type_value" : "Wert: {value}",
   "import_file_issues_title" : "Datei-Probleme",
-  "import_file_supported_formats" : "unterstützte Formate sind .json, .xliff, .po",
+  "import_file_supported_formats" : "unterstützte Formate sind .json, .xliff, .po, .properties",
   "import_language_select" : "Sprache",
   "import_max_file_count_message" : "Zu viele Dateien",
   "import_namespace_name_header" : "Namespace",

webapp/src/i18n/en.json

@@ -497,7 +497,7 @@
   "import_file_issue_param_type_value" : "value: {value}",
   "import_file_issues_title" : "File issues",
   "import_files_uploaded" : "Files uploaded",
-  "import_file_supported_formats" : "supported formats are .json, .xliff, .po",
+  "import_file_supported_formats" : "supported formats are .json, .xliff, .po, .properties",
   "import_language_select" : "Language",
   "import_max_file_count_message" : "Too many files",
   "import_namespace_name_header" : "Namespace",

webapp/src/i18n/es.json

@@ -251,7 +251,7 @@
   "import_file_issue_param_type_line" : "línea: {value}",
   "import_file_issue_param_type_value" : "valor: {value}",
   "import_file_issues_title" : "Problemas con los archivos",
-  "import_file_supported_formats" : "los formatos compatibles son .json, .xliff, .po",
+  "import_file_supported_formats" : "los formatos compatibles son .json, .xliff, .po, .properties",
   "import_language_select" : "Idioma",
   "import_namespace_name_header" : "Namespace",
   "import_not_resolved_error_dialog_cancel_button" : "Volver",

webapp/src/i18n/fr.json

@@ -494,7 +494,7 @@
   "import_file_issue_param_type_value" : "valeur : {value}",
   "import_file_issues_title" : "Problèmes de fichier",
   "import_files_uploaded" : "Fichiers téléchargés",
-  "import_file_supported_formats" : "les formats supportés sont .json, .xliff, .po",
+  "import_file_supported_formats" : "les formats supportés sont .json, .xliff, .po, .properties",
   "import_language_select" : "Langue",
   "import_max_file_count_message" : "Trop de fichiers.",
   "import_namespace_name_header" : "Namespace",

webapp/src/i18n/pt.json

@@ -251,7 +251,7 @@
   "import_file_issue_param_type_line" : "linha: {value}",
   "import_file_issue_param_type_value" : "valor: {value}",
   "import_file_issues_title" : "Problemas com o arquivo",
-  "import_file_supported_formats" : "os formatos suportados são .json, .xliff, .po",
+  "import_file_supported_formats" : "os formatos suportados são .json, .xliff, .po, .properties",
   "import_language_select" : "Idioma",
   "import_namespace_name_header" : "Namespace",
   "import_not_resolved_error_dialog_cancel_button" : "Voltar",

webapp/src/i18n/ro.json

@@ -497,7 +497,7 @@
   "import_file_issue_param_type_value" : "valoare: {value}",
   "import_file_issues_title" : "Probleme fișier",
   "import_files_uploaded" : "Fișierele au fost încărcate",
-  "import_file_supported_formats" : "Formatele suportate sunt .json, .xliff, .po",
+  "import_file_supported_formats" : "Formatele suportate sunt .json, .xliff, .po, .properties",
   "import_language_select" : "Limba",
   "import_max_file_count_message" : "Prea multe fișiere",
   "import_namespace_name_header" : "Spațiu de nume",

webapp/src/i18n/zh.json

@@ -305,7 +305,7 @@
   "import_file_issue_param_type_line" : "行：{value}",
   "import_file_issue_param_type_value" : "值：{value}",
   "import_file_issues_title" : "文件问题",
-  "import_file_supported_formats" : "支持的格式为 .json、.xliff、.po",
+  "import_file_supported_formats" : "支持的格式为 .json、.xliff、.po、.properties",
   "import_language_select" : "语言",
   "import_max_file_count_message" : "文件太多",
   "import_namespace_name_header" : "命名空间",

webapp/src/views/projects/import/component/ImportFileInput.tsx

@@ -36,7 +36,14 @@ const ImportFileInput: FunctionComponent<ImportFileInputProps> = (props) => {
   const { t } = useTranslate();
   const fileRef = React.createRef<HTMLInputElement>();
   const config = useConfig();
-  const ALLOWED_EXTENSIONS = ['json', 'zip', 'po', 'xliff', 'xlf'];
+  const ALLOWED_EXTENSIONS = [
+    'json',
+    'zip',
+    'po',
+    'xliff',
+    'xlf',
+    'properties',
+  ];
   const [resetKey, setResetKey] = useState(0);
   function resetInput() {
     setResetKey((key) => key + 1);