refactor(templates/render): Add generic post editing template

Adds a generic template that can be used for submitting, responding to
and editing posts.

src/handlers.rs

@@ -99,7 +99,7 @@ fn anonymous() -> Author {
 #[derive(Deserialize)]
 pub struct NewThreadForm {
     pub title: String,
-    pub body: String,
+    pub post: String,
 }
 
 const NEW_THREAD_LENGTH_ERR: &'static str = "Title and body can not be empty!";
@@ -112,16 +112,16 @@ pub fn submit_thread(state: State<AppState>,
     // Trim whitespace out of inputs:
     let input = NewThreadForm {
         title: input.title.trim().into(),
-        body: input.body.trim().into(),
+        post: input.post.trim().into(),
     };
 
     // Perform simple validation and abort here if it fails:
-    if input.title.is_empty() || input.body.is_empty() {
+    if input.title.is_empty() || input.post.is_empty() {
         return state.renderer
             .send(NewThreadPage {
                 alerts: vec![NEW_THREAD_LENGTH_ERR],
                 title: Some(input.title),
-                body: Some(input.body),
+                post: Some(input.post),
             })
             .flatten()
             .map(|res| HttpResponse::Ok().content_type(HTML).body(res))
@@ -140,7 +140,7 @@ pub fn submit_thread(state: State<AppState>,
 
     let msg = CreateThread {
         new_thread,
-        body: input.body,
+        post: input.post,
     };
 
     state.db.send(msg)
@@ -158,7 +158,7 @@ pub fn submit_thread(state: State<AppState>,
 #[derive(Deserialize)]
 pub struct NewPostForm {
     pub thread_id: i32,
-    pub body: String,
+    pub post: String,
 }
 
 /// This handler receives a "Reply"-form and redirects the user to the
@@ -172,7 +172,7 @@ pub fn reply_thread(state: State<AppState>,
 
     let new_post = NewPost {
         thread_id: input.thread_id,
-        body: input.body.trim().into(),
+        body: input.post.trim().into(),
         author_name: author.name,
         author_email: author.email,
     };