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may_fail! macro

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Returns an error template if an Option is None, else runs the given block
This commit is contained in:
Bat
2018-06-18 18:28:28 +01:00
parent 7e3cdec0b6
commit 51571d6320
5 changed files with 90 additions and 57 deletions
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src/routes/posts.rs
+17 -15
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@@ -19,22 +19,24 @@ use safe_string::SafeString;
#[get("/~/<blog>/<slug>", rank = 4)]
fn details(blog: String, slug: String, conn: DbConn, user: Option<User>) -> Template {
let blog = Blog::find_by_fqn(&*conn, blog).unwrap();
let post = Post::find_by_slug(&*conn, slug).unwrap();
let comments = Comment::find_by_post(&*conn, post.id);
may_fail!(Blog::find_by_fqn(&*conn, blog), "Couldn't find this blog", |blog| {
may_fail!(Post::find_by_slug(&*conn, slug), "Couldn't find this post", |post| {
let comments = Comment::find_by_post(&*conn, post.id);
Template::render("posts/details", json!({
"author": post.get_authors(&*conn)[0].to_json(&*conn),
"post": post,
"blog": blog,
"comments": comments.into_iter().map(|c| c.to_json(&*conn)).collect::<Vec<serde_json::Value>>(),
"n_likes": post.get_likes(&*conn).len(),
"has_liked": user.clone().map(|u| u.has_liked(&*conn, &post)).unwrap_or(false),
"n_reshares": post.get_reshares(&*conn).len(),
"has_reshared": user.clone().map(|u| u.has_reshared(&*conn, &post)).unwrap_or(false),
"account": user,
"date": &post.creation_date.timestamp()
}))
Template::render("posts/details", json!({
"author": post.get_authors(&*conn)[0].to_json(&*conn),
"post": post,
"blog": blog,
"comments": comments.into_iter().map(|c| c.to_json(&*conn)).collect::<Vec<serde_json::Value>>(),
"n_likes": post.get_likes(&*conn).len(),
"has_liked": user.clone().map(|u| u.has_liked(&*conn, &post)).unwrap_or(false),
"n_reshares": post.get_reshares(&*conn).len(),
"has_reshared": user.clone().map(|u| u.has_reshared(&*conn, &post)).unwrap_or(false),
"account": user,
"date": &post.creation_date.timestamp()
}))
})
})
}
#[get("/~/<_blog>/<slug>", rank = 3, format = "application/activity+json")]