Refactor server-side initiated edit mode.

Implement support for opening articles for editing without javascript

src/article_resource.rs

@@ -16,11 +16,12 @@ pub struct ArticleResource {
     state: State,
     article_id: i32,
     revision: i32,
+    edit: bool,
 }
 
 impl ArticleResource {
-    pub fn new(state: State, article_id: i32, revision: i32) -> Self {
+    pub fn new(state: State, article_id: i32, revision: i32, edit: bool) -> Self {
-        Self { state, article_id, revision }
+        Self { state, article_id, revision, edit }
     }
 }
 
@@ -47,6 +48,7 @@ impl Resource for ArticleResource {
             revision: i32,
             created: &'a chrono::DateTime<Local>,
 
+            edit: bool,
             cancel_url: Option<&'a str>,
             title: &'a str,
             raw: &'a str,
@@ -68,6 +70,7 @@ impl Resource for ArticleResource {
                             article_id: data.article_id,
                             revision: data.revision,
                             created: &Local.from_utc_datetime(&data.created),
+                            edit: self.edit,
                             cancel_url: Some(&data.slug),
                             title: &data.title,
                             raw: &data.body,

src/new_article_resource.rs

@@ -56,6 +56,7 @@ impl Resource for NewArticleResource {
             revision: &'a str,
             created: &'a str,
 
+            edit: bool,
             cancel_url: Option<&'a str>,
             title: &'a str,
             raw: &'a str,
@@ -76,6 +77,11 @@ impl Resource for NewArticleResource {
                             article_id: NDASH,
                             revision: NDASH,
                             created: NDASH,
+
+                            // Implicitly start in edit-mode when no slug is given. This
+                            // currently directly corresponds to the /_new endpoint
+                            edit: self.slug.is_none(),
+
                             cancel_url: self.slug.as_ref().map(|x| &**x),
                             title: &title,
                             raw: "",

src/wiki_lookup.rs

@@ -59,7 +59,7 @@ impl Lookup for WikiLookup {
     type Error = Box<::std::error::Error + Send + Sync>;
     type Future = Box<Future<Item = Option<Self::Resource>, Error = Self::Error>>;
 
-    fn lookup(&self, path: &str, _query: Option<&str>, _fragment: Option<&str>) -> Self::Future {
+    fn lookup(&self, path: &str, query: Option<&str>, _fragment: Option<&str>) -> Self::Future {
         assert!(path.starts_with("/"));
 
         if path.starts_with("/_") {
@@ -92,14 +92,15 @@ impl Lookup for WikiLookup {
         }
 
         let state = self.state.clone();
+        let edit = query == Some("edit");
 
         use state::SlugLookup;
         Box::new(self.state.lookup_slug(slug.clone())
-            .and_then(|x| Ok(Some(match x {
+            .and_then(move |x| Ok(Some(match x {
                 SlugLookup::Miss =>
                     Box::new(NewArticleResource::new(state, Some(slug))) as BoxResource,
                 SlugLookup::Hit { article_id, revision } =>
-                    Box::new(ArticleResource::new(state, article_id, revision)) as BoxResource,
+                    Box::new(ArticleResource::new(state, article_id, revision, edit)) as BoxResource,
                 SlugLookup::Redirect(slug) =>
                     Box::new(ArticleRedirectResource::new(slug)) as BoxResource,
             })))

templates/article_revision.html

@@ -1,6 +1,6 @@
 <script src="_assets/script-{{script_js_checksum}}.js" defer></script>
 
-<div class="container {{^cancel_url}}edit{{/cancel_url}}">
+<div class="container {{#edit?}}edit{{/edit}}">
 <div class="rendered">
 {{>article_revision_contents.html}}
 </div>
@@ -32,7 +32,7 @@
 <footer>
 <ul>
     <li><a href="_new">Create article</a></li>
-    <li><a id="openEditor" href="?editor">Edit</a></li>
+    <li><a id="openEditor" href="?edit">Edit</a></li>
 </ul>
 <dl>
     <dt>Article ID</dt>