Newline to <br>, ignore non-json files

src/main.rs

 use std::env;
+use std::ffi::OsStr;
 use std::fs::{read_dir, File};
 use std::io::prelude::*;
 use std::io::{Error, ErrorKind};
 
     for file in read_dir(path)? {
         let file = file?;
-        let contents = read_to_string(file.path()).await?;
-        let post: Post = serde_json::from_str(&contents)?;
-        posts.push(post);
+        if let Some("json") = file.path().extension().and_then(OsStr::to_str) {
+            let contents = read_to_string(file.path()).await?;
+            let mut post: Post = serde_json::from_str(&contents)?;
+            post.body = post.body.replace("\n", "<br>");
+            posts.push(post);
+        }
     }
 
     Ok(posts)
             let mut post: Post = req.body_form().await?;
             post.id = Uuid::new_v4().to_string();
             post.date = Local::now().date().naive_local().to_string();
+            post.body = post.body.trim().to_owned();
             post.save()?;
             Ok(tide::Redirect::new("/admin"))
         });

templates/admin/index.html

   <div class="posts__post post">
     <h3 class="post__heading">{{ post.title }} // {{ post.date }}</h3>
     <div class="post__body">
-      {{ post.body }}
+      {{ post.body | safe }}
     </div>
   </div>
   {% endfor %}