make hashtags work in profile summary (#562)

* make hashtags work in profile summary

fix #541

* cargo fmt

src/api/posts.rs

@@ -117,7 +117,7 @@ pub fn create(
     let domain = &Instance::get_local(conn)?.public_domain;
     let (content, mentions, hashtags) = md_to_html(
         &payload.source,
-        domain,
+        Some(domain),
         false,
         Some(Media::get_media_processor(conn, vec![&author])),
     );

src/routes/blogs.rs

@@ -293,7 +293,7 @@ pub fn update(
                 blog.summary_html = SafeString::new(
                     &utils::md_to_html(
                         &form.summary,
-                        "",
+                        None,
                         true,
                         Some(Media::get_media_processor(
                             &conn,

src/routes/comments.rs

@@ -42,9 +42,11 @@ pub fn create(
         .map(|_| {
             let (html, mentions, _hashtags) = utils::md_to_html(
                 form.content.as_ref(),
-                &Instance::get_local(&conn)
-                    .expect("comments::create: local instance error")
-                    .public_domain,
+                Some(
+                    &Instance::get_local(&conn)
+                        .expect("comments::create: local instance error")
+                        .public_domain,
+                ),
                 true,
                 Some(Media::get_media_processor(&conn, vec![&user])),
             );

src/routes/posts.rs

@@ -262,9 +262,11 @@ pub fn update(
         } else {
             let (content, mentions, hashtags) = utils::md_to_html(
                 form.content.to_string().as_ref(),
-                &Instance::get_local(&conn)
-                    .expect("posts::update: Error getting local instance")
-                    .public_domain,
+                Some(
+                    &Instance::get_local(&conn)
+                        .expect("posts::update: Error getting local instance")
+                        .public_domain,
+                ),
                 false,
                 Some(Media::get_media_processor(
                     &conn,
@@ -432,9 +434,11 @@ pub fn create(
 
         let (content, mentions, hashtags) = utils::md_to_html(
             form.content.to_string().as_ref(),
-            &Instance::get_local(&conn)
-                .expect("post::create: local instance error")
-                .public_domain,
+            Some(
+                &Instance::get_local(&conn)
+                    .expect("post::create: local instance error")
+                    .public_domain,
+            ),
             false,
             Some(Media::get_media_processor(
                 &conn,