Add FullPost and implement a fair bit of it

lib/pages/full_post.dart

@@ -0,0 +1,99 @@
+import 'package:esys_flutter_share/esys_flutter_share.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:lemmy_api_client/src/models/post.dart';
+
+import '../widgets/comment_section.dart';
+import '../widgets/post.dart';
+
+class FullPostPage extends HookWidget {
+  final Future<FullPost> fullPost;
+  final PostView post;
+
+  FullPostPage(FullPost fullPost, {this.post})
+      : fullPost = Future(() => fullPost);
+  FullPostPage.fromFuture(this.fullPost, {this.post});
+
+  void sharePost() => Share.text('Share post', post.apId, 'text/plain');
+
+  void savePost() {
+    //
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // final post
+    var fullPostFuture = useFuture(this.fullPost);
+
+    var fullPost = fullPostFuture.data;
+
+    final savedIcon = () {
+      if (fullPost != null) {
+        if (fullPost.post.saved == null || !fullPost.post.saved) {
+          return Icons.bookmark_border;
+        } else {
+          return Icons.bookmark;
+        }
+      }
+
+      if (post != null) {
+        if (post.saved == null || !post.saved) {
+          return Icons.bookmark_border;
+        } else {
+          return Icons.bookmark;
+        }
+      }
+
+      return Icons.bookmark_border;
+    }();
+
+    return Scaffold(
+      appBar: AppBar(
+        leading: BackButton(),
+        actions: [
+          IconButton(icon: Icon(Icons.share), onPressed: sharePost),
+          IconButton(icon: Icon(savedIcon), onPressed: savePost),
+          IconButton(
+              icon: Icon(Icons.more_vert), onPressed: () {}), // TODO: more menu
+        ],
+      ),
+      body: fullPost != null || post != null
+          // FUTURE SUCCESS
+          ? ListView(
+              physics: const AlwaysScrollableScrollPhysics(),
+              children: [
+                if (fullPost != null)
+                  Post(fullPost.post, fullPost: true)
+                else if (post != null)
+                  Post(post, fullPost: true)
+                else
+                  CircularProgressIndicator(),
+                if (fullPost != null)
+                  CommentSection(fullPost.comments,
+                      postCreatorId: fullPost.post.creatorId)
+                else
+                  Container(
+                    child: Center(child: CircularProgressIndicator()),
+                    padding: EdgeInsets.only(top: 40),
+                  ),
+              ],
+            )
+          : fullPostFuture.error != null
+              // FUTURE FAILURE
+              ? Center(
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    children: [
+                      Icon(Icons.error, size: 30),
+                      Padding(padding: EdgeInsets.all(5)),
+                      Text('ERROR: ${fullPostFuture.error.toString()}'),
+                    ],
+                  ),
+                )
+              // FUTURE IN PROGRESS
+              : Container(
+                  child: Center(child: CircularProgressIndicator()),
+                  color: Theme.of(context).canvasColor),
+    );
+  }
+}

lib/widgets/post.dart

@@ -6,6 +6,7 @@ import 'package:intl/intl.dart';
 import 'package:lemmy_api_client/lemmy_api_client.dart';
 import 'package:timeago/timeago.dart' as timeago;
 
+import '../pages/full_post.dart';
 import 'markdown_text.dart';
 
 enum MediaType {
@@ -28,11 +29,12 @@ MediaType whatType(String url) {
 class Post extends StatelessWidget {
   final PostView post;
   final String instanceUrl;
+  final bool fullPost;
 
   /// nullable
   final String postUrlDomain;
 
-  Post(this.post)
+  Post(this.post, {this.fullPost = false})
       : instanceUrl = post.communityActorId.split('/')[2],
         postUrlDomain = post.url != null ? post.url.split('/')[2] : null;
 
@@ -47,7 +49,10 @@ class Post extends StatelessWidget {
   }
 
   void _goToPost(BuildContext context) {
-    print('GO TO POST');
+    final api = LemmyApi(instanceUrl).v1;
+    final p = api.getPost(id: post.id);
+    Navigator.of(context).push(MaterialPageRoute(
+        builder: (context) => FullPostPage.fromFuture(p, post: post)));
   }
 
   void _goToCommunity() {
@@ -183,6 +188,7 @@ class Post extends StatelessWidget {
                 crossAxisAlignment: CrossAxisAlignment.start,
               ),
               Spacer(),
+              if (!fullPost)
                 Column(
                   children: [
                     IconButton(
@@ -314,10 +320,12 @@ class Post extends StatelessWidget {
                 ),
               ),
               Spacer(),
+              if (!fullPost)
                 IconButton(
                     icon: Icon(Icons.share),
                     onPressed: () => Share.text('Share post url', post.apId,
                         'text/plain')), // TODO: find a way to mark it as url
+              if (!fullPost)
                 IconButton(
                     icon: post.saved == true
                         ? Icon(Icons.bookmark)
@@ -339,7 +347,7 @@ class Post extends StatelessWidget {
         borderRadius: BorderRadius.all(Radius.circular(20)),
       ),
       child: InkWell(
-        onTap: () => _goToPost(context),
+        onTap: fullPost ? null : () => _goToPost(context),
         child: Column(
           children: [
             info(),