Show the total number of article on a blog

fixes #150

plume-models/src/posts.rs

@@ -91,6 +91,12 @@ impl Post {
             .expect("Error loading recent posts for blog")
     }
 
+    pub fn get_for_blog(conn: &PgConnection, blog:&Blog) -> Vec<Post> {
+        posts::table.filter(posts::blog_id.eq(blog.id))
+            .load::<Post>(conn)
+            .expect("Error loading posts for blog")
+    }
+
     pub fn get_authors(&self, conn: &PgConnection) -> Vec<User> {
         use schema::users;
         use schema::post_authors;

src/routes/blogs.rs

@@ -23,6 +23,7 @@ use plume_models::{
 fn details(name: String, conn: DbConn, user: Option<User>) -> Template {
     may_fail!(user, Blog::find_by_fqn(&*conn, name), "Requested blog couldn't be found", |blog| {
         let recents = Post::get_recents_for_blog(&*conn, &blog, 5);
+        let articles = Post::get_for_blog(&*conn, &blog);
         let authors = &blog.list_authors(&*conn);
 
         Template::render("blogs/details", json!({
@@ -31,7 +32,8 @@ fn details(name: String, conn: DbConn, user: Option<User>) -> Template {
             "is_author": user.map(|x| x.is_author_in(&*conn, blog.clone())),
             "recents": recents.into_iter().map(|p| p.to_json(&*conn)).collect::<Vec<serde_json::Value>>(),
             "authors": authors.into_iter().map(|u| u.to_json(&*conn)).collect::<Vec<serde_json::Value>>(),
-            "n_authors": authors.len()
+            "n_authors": authors.len(),
+            "n_articles": articles.len()
         }))
     })    
 }

templates/blogs/details.html.tera

@@ -19,6 +19,9 @@
             <a class="author" href="/@/{{ author.fqn }}">{{ name }}</a>{% if not loop.last %},{% endif %}
         {% endfor %}
     </p>
+    <p>
+        {{ "{{ count }} articles in this blog" | _n(singular="One article in this blog", count = n_articles) }}
+    </p>
  
     <section>
         <h2>{{ "Latest articles" | _ }}</h2>