Create and display comments

src/main.rs

@@ -89,7 +89,10 @@ fn main() {
             routes::posts::activity_details,
             routes::posts::new,
             routes::posts::new_auth,
-            routes::posts::create
+            routes::posts::create,
+            
+            routes::comments::new,
+            routes::comments::create
         ])
         .manage(init_pool())
         .attach(Template::fairing())

src/models/comments.rs

@@ -1,6 +1,7 @@
 use chrono;
 use diesel::{self, PgConnection, RunQueryDsl, QueryDsl, ExpressionMethods};
 
+use models::users::User;
 use schema::comments;
 
 #[derive(Queryable, Identifiable, Serialize)]
@@ -43,4 +44,14 @@ impl Comment {
             .expect("Error loading comment by id")
             .into_iter().nth(0)
     }
+
+    pub fn for_post(conn: &PgConnection, post_id: i32) -> Vec<Comment> {
+        comments::table.filter(comments::post_id.eq(post_id))
+            .load::<Comment>(conn)
+            .expect("Error loading comment by post id")
+    }
+
+    pub fn get_author(&self, conn: &PgConnection) -> User {
+        User::get(conn, self.author_id).unwrap()
+    }
 }

src/routes/comments.rs

@@ -0,0 +1,38 @@
+use rocket::request::Form;
+use rocket::response::Redirect;
+use rocket_contrib::Template;
+
+use db_conn::DbConn;
+use models::comments::*;
+use models::posts::Post;
+use models::users::User;
+
+#[get("/~/<_blog>/<slug>/comment")]
+fn new(_blog: String, slug: String, _user: User, conn: DbConn) -> Template {
+    let post = Post::find_by_slug(&*conn, slug).unwrap();
+    Template::render("comments/new", json!({
+        "post": post
+    }))
+}
+
+#[derive(FromForm)]
+struct NewCommentForm {
+    pub content: String,
+    pub respond_to: Option<i32>
+}
+
+#[post("/~/<_blog>/<slug>/comment", data = "<data>")]
+fn create(_blog: String, slug: String, data: Form<NewCommentForm>, user: User, conn: DbConn) -> Redirect {
+    let post = Post::find_by_slug(&*conn, slug).unwrap();
+    let form = data.get();
+    Comment::insert(&*conn, NewComment {
+        content: form.content.clone(),
+        in_response_to_id: form.respond_to,
+        post_id: post.id,
+        author_id: user.id,
+        ap_url: None,
+        sensitive: false,
+        spoiler_text: "".to_string()
+    });
+    Redirect::to("")
+}

src/routes/mod.rs

@@ -1,4 +1,5 @@
 pub mod blogs;
+pub mod comments;
 pub mod instance;
 pub mod posts;
 pub mod session;

src/routes/posts.rs

@@ -2,6 +2,7 @@ use heck::KebabCase;
 use rocket::request::Form;
 use rocket::response::Redirect;
 use rocket_contrib::Template;
+use serde_json;
 use std::collections::HashMap;
 
 use activity_pub::{context, activity_pub, ActivityPub};
@@ -10,6 +11,7 @@ use activity_pub::object::Object;
 use activity_pub::outbox::broadcast;
 use db_conn::DbConn;
 use models::blogs::*;
+use models::comments::Comment;
 use models::post_authors::*;
 use models::posts::*;
 use models::users::User;
@@ -19,9 +21,16 @@ use utils;
 fn details(blog: String, slug: String, conn: DbConn) -> Template {
     let blog = Blog::find_by_actor_id(&*conn, blog).unwrap();
     let post = Post::find_by_slug(&*conn, slug).unwrap();
+    let comments = Comment::for_post(&*conn, post.id);    
     Template::render("posts/details", json!({
         "post": post,
-        "blog": blog
+        "blog": blog,
+        "comments": comments.into_iter().map(|c| {
+            json!({
+                "content": c.content,
+                "author": c.get_author(&*conn)
+            })
+        }).collect::<Vec<serde_json::Value>>()
     }))
 }
 

templates/comments/new.tera

@@ -0,0 +1,20 @@
+{% extends "base" %}
+
+{% block title %}
+Comment "{{ post.title }}"
+{% endblock title %}
+
+{% block content %}
+<h1>Comment "{{ post.title }}"</h1>
+<form method="post">
+    <label for="content">Content</label>
+    <textarea name="content"></textarea>
+
+    {% if responding_to %}
+        <input name="respond_to" value="{{ responding_to }}">
+    {% endif %}
+
+    <input type="submit" value="Submit comment"/>            
+</form>
+{% endblock content %}
+

templates/posts/details.tera

@@ -5,11 +5,20 @@
 {% endblock title %}
 
 {% block content %}
-<h1>{{ post.title }}</h1>
-<p>Published in {{ blog.title }}</p>
-<hr>
-<p>
-    {{ post.content | safe }}
-</p>
-<p>License: {{ post.license }}</p>
+    <h1>{{ post.title }}</h1>
+    <p>Published in {{ blog.title }}</p>
+    <hr>
+    <p>
+        {{ post.content | safe }}
+    </p>
+    <p>License: {{ post.license }}</p>
+    <hr>
+    <h2>Comments</h2>
+    {% for comment in comments %}
+        <div>
+            <b>{{ comment.author.display_name }}</b>
+            <div>{{ comment.content | safe }}</div>
+        </div>
+    {% endfor %}
+    <a href="comment">Comment</a>
 {% endblock content %}