finish up for today

lib/business_logic/settings.dart

@@ -108,5 +108,5 @@ Future<bool> saveBatchSize(int size) async {
 
 Future<int> loadBatchSize() async {
   final prefs = await SharedPreferences.getInstance();
-  return prefs.getInt("post-batch-size") ?? 5;
+  return prefs.getInt("post-batch-size") ?? 20;
 }

lib/business_logic/timeline/media.dart

@@ -1,13 +1,5 @@
-enum MediaAttachmentType {
-  image,
-  video,
-  gifv,
-  audio,
-  unknown,
-}
-
 class MediaAttachmentModel {
-  late MediaAttachmentType type;
+  late String type;
   late String url;
   late String previewUrl;
   late String? description;
@@ -15,9 +7,7 @@ class MediaAttachmentModel {
   MediaAttachmentModel.fromJson(Map<String, dynamic> json) {
     url = json["url"];
     previewUrl = json["preview_url"];
-    type = MediaAttachmentType.values.firstWhere((element) =>
-        // ignore: prefer_interpolation_to_compose_strings
-        element.toString() == "MediaAttachmentType." + json["type"]);
+    type = json["type"];
     description = json["description"];
   }
 }

lib/business_logic/timeline/timeline.dart

@@ -96,7 +96,7 @@ class ThreadModel {
 }
 
 Future<List<ThreadModel>> getTimelineFromServer(String? index) async {
-  const limit = 5;
+  final limit = await settings.loadBatchSize();
   final token = await settings.loadToken();
 
   Map<String, String> query = {"limit": limit.toString()};

lib/i18n/en.json

@@ -19,6 +19,8 @@
     "logout": "log out",
     "show-in-browser": "show in browser",
     "post-options": "post options",
-    "reblogged-by": "reblogged by:"
+    "reblogged-by": "reblogged by:",
+    "post-batch-size": "post batch size",
+    "post-batch-size-description": "how many posts to load at a time\nfor slower internet or if you're not sure what to do use a low value (the default in most places is 20)"
 }
   

lib/pages/settings/app.dart

@@ -9,17 +9,60 @@ class AppSettings extends StatelessWidget {
   Widget build(BuildContext context) {
     return Column(
       children: [
-        Row(
-          children: [
-            Text("post-batch-size".i18n()),
-            Slider(
-              value: 3,
-              min: 3,
-              max: 100,
-              onChanged: ((value) {}),
-            )
-          ],
-        )
+        FutureBuilder<int>(
+            future: settings.loadBatchSize(),
+            builder: ((context, snapshot) {
+              if (snapshot.hasData) {
+                return PostBatchSlider(initialSize: snapshot.data ?? 5);
+              }
+              return const CircularProgressIndicator.adaptive();
+            })),
+      ],
+    );
+  }
+}
+
+class PostBatchSlider extends StatefulWidget {
+  const PostBatchSlider({required this.initialSize, Key? key})
+      : super(key: key);
+  final int initialSize;
+  @override
+  State<PostBatchSlider> createState() => _PostBatchSliderState();
+}
+
+class _PostBatchSliderState extends State<PostBatchSlider> {
+  late int size;
+
+  @override
+  void initState() {
+    size = widget.initialSize;
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Row(
+          children: [
+            Text("post-batch-size".i18n()),
+            Slider(
+              label: size.toString(),
+              value: size.toDouble(),
+              divisions: 19,
+              min: 5,
+              max: 100,
+              onChanged: ((value) {
+                settings.saveBatchSize(value.toInt());
+                setState(() {
+                  size = value.toInt();
+                });
+              }),
+            )
+          ],
+        ),
+        SelectableText("post-batch-size-description".i18n()),
       ],
     );
   }

lib/pages/timeline/timeline.dart

@@ -47,8 +47,9 @@ class _TimelineState extends State<Timeline>
         threads.add(Thread(model: models[i]));
       }
 
-      oldestId = models.last.posts.last.id;
-
+      if (models.isNotEmpty) {
+        oldestId = models.last.posts.last.id;
+      }
       children.addAll(threads);
       children.add(
         Row(

lib/partials/media_attachment.dart

@@ -9,7 +9,7 @@ class MediaAttachments extends StatelessWidget {
   Widget build(BuildContext context) {
     List<Widget> children = [];
     for (int i = 0; i < models.length; i++) {
-      if (models[i].type == MediaAttachmentType.image) {
+      if (models[i].type == "image" || models[i].type == "gif") {
         children.add(ImageAttachmentDisplay(model: models[i]));
       } else {
         children.add(Text("media-not-supported".i18n()));
@@ -32,6 +32,7 @@ class ImageAttachmentDisplay extends StatelessWidget {
     return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
       Image.network(
         model.url,
+        errorBuilder: ((context, error, stackTrace) => const Icon(Icons.error)),
         width: double.infinity,
         fit: BoxFit.fitWidth,
       ),

lib/partials/post.dart

@@ -110,6 +110,10 @@ class ProfilePic extends StatelessWidget {
     if (url.isNotEmpty) {
       return Image.network(
         url,
+        errorBuilder: (context, error, stackTrace) => const Icon(
+          Icons.cruelty_free,
+          size: width,
+        ),
         height: width,
         width: width,
       );