✨ Post overview w/ content length limit indicator

lib/controllers/post_editor_controller.dart

@@ -0,0 +1,114 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:solian/models/post.dart';
+import 'package:solian/models/realm.dart';
+import 'package:solian/widgets/attachments/attachment_publish.dart';
+import 'package:solian/widgets/posts/editor/post_editor_overview.dart';
+import 'package:textfield_tags/textfield_tags.dart';
+
+class PostEditorController extends GetxController {
+  final titleController = TextEditingController();
+  final descriptionController = TextEditingController();
+  final contentController = TextEditingController();
+  final tagController = StringTagController();
+
+  RxInt mode = 0.obs;
+  RxInt contentLength = 0.obs;
+
+  Rx<Post?> editTo = Rx(null);
+  Rx<Post?> replyTo = Rx(null);
+  Rx<Post?> repostTo = Rx(null);
+  Rx<Realm?> realmZone = Rx(null);
+  RxList<int> attachments = RxList<int>.empty(growable: true);
+
+  RxBool isDraft = false.obs;
+
+  PostEditorController() {
+    contentController.addListener(() {
+      contentLength.value = contentController.text.length;
+    });
+  }
+
+  Future<void> editOverview(BuildContext context) {
+    return showDialog(
+      context: context,
+      builder: (context) => PostEditorOverviewDialog(
+        controller: this,
+      ),
+    );
+  }
+
+  Future<void> editAttachment(BuildContext context) {
+    return showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      builder: (context) => AttachmentPublishPopup(
+        usage: 'i.attachment',
+        current: attachments,
+        onUpdate: (value) {
+          attachments.value = value;
+          attachments.refresh();
+        },
+      ),
+    );
+  }
+
+  void toggleDraftMode() {
+    isDraft.value = !isDraft.value;
+  }
+
+  set editTarget(Post? value) {
+    if (value == null) {
+      editTo.value = null;
+      return;
+    }
+
+    editTo.value = value;
+    isDraft.value = value.isDraft ?? false;
+    titleController.text = value.body['title'] ?? '';
+    descriptionController.text = value.body['description'] ?? '';
+    contentController.text = value.body['content'] ?? '';
+    attachments.value = value.body['attachments']?.cast<int>() ?? List.empty();
+    attachments.refresh();
+
+    contentLength.value = contentController.text.length;
+  }
+
+  String? get title {
+    if (titleController.text.isEmpty) return null;
+    return titleController.text;
+  }
+
+  String? get description {
+    if (descriptionController.text.isEmpty) return null;
+    return descriptionController.text;
+  }
+
+  Map<String, dynamic> get payload {
+    return {
+      'title': title,
+      'description': description,
+      'content': contentController.text,
+      'tags': tagController.getTags?.map((x) => {'alias': x}).toList() ??
+          List.empty(),
+      'attachments': attachments,
+      'is_draft': isDraft.value,
+      if (replyTo.value != null) 'reply_to': replyTo.value!.id,
+      if (repostTo.value != null) 'repost_to': repostTo.value!.id,
+      if (realmZone.value != null) 'realm': realmZone.value!.alias,
+    };
+  }
+
+  bool get isEmpty {
+    if (contentController.text.isEmpty) return true;
+
+    return false;
+  }
+
+  @override
+  void dispose() {
+    contentController.dispose();
+    tagController.dispose();
+    super.dispose();
+  }
+}