1 files changed, 57 insertions, 0 deletions
diff --git a/lib/services/shared_text_handler.dart b/lib/services/shared_text_handler.dart
new file mode 100644
index 0000000..c8e99a4
--- /dev/null
+++ b/lib/services/shared_text_handler.dart
@@ -0,0 +1,57 @@
+enum SharedTextLoadMode { prefill, autoLog }
+
+class SharedTextDecision {
+  const SharedTextDecision({required this.mode, required this.text, required this.proceed});
+  final SharedTextLoadMode mode;
+  final String text;
+  final bool proceed;
+}
+
+SharedTextDecision prepareSharedTextLoad(String text, bool autoLog) {
+  if (text.trim().isEmpty) {
+    return const SharedTextDecision(mode: SharedTextLoadMode.prefill, text: '', proceed: false);
+  }
+  return SharedTextDecision(
+    mode: autoLog ? SharedTextLoadMode.autoLog : SharedTextLoadMode.prefill,
+    text: text,
+    proceed: true,
+  );
+}
+
+typedef LogFn = Future<void> Function(String dir, String text);
+typedef ShowInfo = void Function(String title, String message);
+typedef ShowError = void Function(Object error);
+
+Future<void> handleSharedTextLoad({
+  required String text,
+  required bool autoLog,
+  required String dir,
+  required void Function(String) prefill,
+  required void Function() focus,
+  required void Function() resetInput,
+  required Future<void> Function() clearCache,
+  required LogFn logFn,
+  required ShowInfo showInfo,
+  required ShowError showError,
+}) async {
+  final decision = prepareSharedTextLoad(text, autoLog);
+  if (!decision.proceed) {
+    await clearCache();
+    return;
+  }
+  if (decision.mode == SharedTextLoadMode.autoLog) {
+    try {
+      await logFn(dir, decision.text);
+    } catch (e) {
+      showError(e);
+      return;
+    }
+    showInfo('Logged', 'Shared text has been logged.');
+    resetInput();
+    await clearCache();
+    return;
+  }
+  prefill(decision.text);
+  focus();
+  await clearCache();
+}