Add a button to write a new article

src/models/users.rs

@@ -35,6 +35,8 @@ use activity_pub::{
 };
 use db_conn::DbConn;
 use models::{
+    blogs::Blog,
+    blog_authors::BlogAuthor,
     comments::Comment,
     follows::Follow,
     instance::Instance,
@@ -297,6 +299,15 @@ impl User {
             .len() > 0
     }
 
+    pub fn is_author_in(&self, conn: &PgConnection, blog: Blog) -> bool {
+        use schema::blog_authors;
+        blog_authors::table.filter(blog_authors::author_id.eq(self.id))
+            .filter(blog_authors::blog_id.eq(blog.id))
+            .load::<BlogAuthor>(conn)
+            .expect("Couldn't load blog/author relationship")
+            .len() > 0
+    }
+
     pub fn get_keypair(&self) -> PKey<Private> {
         PKey::from_rsa(Rsa::private_key_from_pem(self.private_key.clone().unwrap().as_ref()).unwrap()).unwrap()
     }

src/routes/blogs.rs

@@ -24,6 +24,7 @@ fn details(name: String, conn: DbConn, user: Option<User>) -> Template {
     Template::render("blogs/details", json!({
         "blog": blog,
         "account": user,
+        "is_author": user.map(|x| x.is_author_in(&*conn, blog)),
         "recents": recents.into_iter().map(|p| {
             json!({
                 "post": p,

templates/blogs/details.tera

@@ -9,10 +9,18 @@
     <h1>{{ blog.title }} (~{{ blog.actor_id }})</h1>
     <p>{{ blog.summary }}</p>
 
+    <section>
         <h2>Latest articles</h2>
+        {% if recents | length < 1 %}
+            <p>No posts to see here yet.</p>
+        {% endif %}
+        {% if is_author %}
+            <a href="new" class="button inline-block">New article</a>
+        {% endif %}
         <div class="cards">
             {% for article in recents %}
                 {{ macros::post_card(article=article) }}
             {% endfor %}
         </div>
+    </section>
 {% endblock content %}