People can follow blogs

Author: symkat

DB/lib/BlogDB/DB/Result/Person.pm

@@ -323,4 +323,16 @@ sub get_settings {
     return $return;
 }
 
+sub is_following_blog {
+    my ( $self, $blog_id ) = @_;
+
+    return 0 unless $blog_id;
+
+    my $count = $self->search_related('person_follow_blog_maps', {
+        blog_id => $blog_id,
+    })->count;
+
+    return $count >= 1 ? 1 : 0;
+}
+
 1;

Web/lib/BlogDB/Web.pm

@@ -99,6 +99,8 @@ sub startup ($self) {
     $r->get    ( '/blog/e/:slug'          )->to( 'Blog#get_edit_blog'        )->name( 'edit_blog');
     $r->post   ( '/blog/e/:slug'          )->to( 'Blog#post_edit_blog'       )->name( 'do_edit_blog');
 
+    $r->post   ( '/blog/follow'           )->to( 'Blog#post_blog_follow'       )->name( 'do_follow_blog'  );
+    $r->post   ( '/blog/unfollow'         )->to( 'Blog#post_blog_unfollow'     )->name( 'do_unfollow_blog');
 #    $r->get    ( '/view/:id/:name'        )->to( 'Blog#get_blog'      )->name( 'blog'             ); # View A Specific Blog.
 #
 #    $auth->get ( '/blog/new'              )->to( 'Blog#get_new_blogs'  )->name( 'new_blogs'        ); # List pending blogs for approval.

Web/lib/BlogDB/Web/Controller/Blog.pm

@@ -78,13 +78,28 @@ sub post_edit_blog ($c) {
     $c->redirect_to( $c->url_for( 'view_blog', slug => $blog->slug ) );
 }
 
-sub post_follow ($c) {
-    $c->set_template( 'blog/index' );
+sub post_blog_follow ($c) {
+    my $blog = $c->db->resultset('Blog')->find($c->param('blog_id'));
+
+    # TODO: Throw an error if we don't have {person}->id, or $blog.
+    $c->stash->{person}->create_related('person_follow_blog_maps', {
+        blog_id => $blog->id,
+    });
 
+    $c->redirect_to( $c->url_for( 'view_blog', slug => $blog->slug ) );
 }
 
-sub post_unfollow ($c) {
-    $c->set_template( 'blog/index' );
+sub post_blog_unfollow ($c) {
+    my $blog = $c->db->resultset('Blog')->find($c->param('blog_id'));
+
+    # TODO: Throw an error if we don't have {person}->id, or $blog.
+
+    $c->db->resultset('PersonFollowBlogMap')->search({
+        person_id => $c->stash->{person}->id,
+        blog_id   => $blog->id,
+    })->delete;
+    
+    $c->redirect_to( $c->url_for( 'view_blog', slug => $blog->slug ) );
 
 }
 

Web/templates/default/blog/index.html.tx

@@ -19,10 +19,19 @@
             <h3>[% $blog.tagline %]</h3>
         </div>
         <div class="col">
-            <form method="post" action="[% $c.url_for( 'do_follow_blog' ) %]">
-                <input type="hidden" name="blog_id" value="[% $blog.id %]" />
-                <button type="submit" class="btn btn-primary float-end">Follow Blog</button>
-            </form>
+%%          if ( $person ) {
+%%              if ( $person.is_following_blog($blog.id) ) {
+                    <form method="post" action="[% $c.url_for( 'do_unfollow_blog' ) %]">
+                        <input type="hidden" name="blog_id" value="[% $blog.id %]" />
+                        <button type="submit" class="btn btn-primary float-end">Unfollow Blog</button>
+                    </form>
+%%              } else {
+                    <form method="post" action="[% $c.url_for( 'do_follow_blog' ) %]">
+                        <input type="hidden" name="blog_id" value="[% $blog.id %]" />
+                        <button type="submit" class="btn btn-primary float-end">Follow Blog</button>
+                    </form>
+%%              }
+%%          }
         </div>
     </div>