Fix the behavior of the follow button

There was a bug in Tera and in the User::is_following function.

Fix #146

plume-models/src/users.rs

@@ -281,7 +281,7 @@ impl User {
         users::table.filter(users::id.eq(any(follows))).load::<User>(conn).unwrap()
     }
 
-    pub fn is_following(&self, conn: &PgConnection, other_id: i32) -> bool {
+    pub fn is_followed_by(&self, conn: &PgConnection, other_id: i32) -> bool {
         use schema::follows;
         follows::table
             .filter(follows::follower_id.eq(other_id))
@@ -291,6 +291,16 @@ impl User {
             .len() > 0
     }
 
+    pub fn is_following(&self, conn: &PgConnection, other_id: i32) -> bool {
+        use schema::follows;
+        follows::table
+            .filter(follows::follower_id.eq(self.id))
+            .filter(follows::following_id.eq(other_id))
+            .load::<Follow>(conn)
+            .expect("Couldn't load follow relationship")
+            .len() > 0
+    }
+
     pub fn has_liked(&self, conn: &PgConnection, post: &Post) -> bool {
         use schema::likes;
         likes::table

plume.md

@@ -0,0 +1,8 @@
+Page de présentation Plume
+
+Plume
+Moteur de blog décentralisé.
+
+Les auteurs peuvent gérer différents blogs au sein d'un même site.
+
+Les articles sont également visibles sur d'autres sites Plume et vous pouvez interagir avec eux directement depuis d'autres plateformes telles que Mastodon.

templates/users/header.html.tera

@@ -18,11 +18,12 @@
         <a class="inline-block button" href="{{ user.ap_url }}">{{ "Open on {{ instance_url }}" | _(instance_url=instance_url) }}</a>
     {% endif %}
 
-    {% if not is_self and account %}
+    {% set not_self = not is_self %}
+    {% if not_self and (account is defined) %}
         {% if follows %}
-            <a href="follow/" class="inline-block button">{{ "Follow" | _ }}</a>
-        {% else %}
             <a href="follow/" class="inline-block button">{{ "Unfollow" | _ }}</a>
+        {% else %}
+            <a href="follow/" class="inline-block button">{{ "Follow" | _ }}</a>
         {% endif %}
     {% endif %}
 </div>