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Provide a template registration callback #500

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Provide a template registration callback #500

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4 changes: 2 additions & 2 deletions contrib/src/templates/engine.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,9 @@ pub trait Engine: Send + Sync + 'static {

pub struct Engines {
#[cfg(feature = "tera_templates")]
tera: Tera,
pub tera: Tera,
#[cfg(feature = "handlebars_templates")]
handlebars: Handlebars,
pub handlebars: Handlebars,
}

impl Engines {
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12 changes: 10 additions & 2 deletions contrib/src/templates/mod.rs
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Expand Up @@ -15,6 +15,7 @@ use self::glob::glob;

use std::borrow::Cow;
use std::path::{Path, PathBuf};
use std::marker::{Send, Sync};
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Oops, this isn't alphabetical


use rocket::State;
use rocket::request::Request;
Expand Down Expand Up @@ -158,7 +159,11 @@ impl Template {
/// }
/// ```
pub fn fairing() -> impl Fairing {
AdHoc::on_attach(|rocket| {
Template::fairing_with(|_context| ())
}

pub fn fairing_with<F>(callback: F) -> impl Fairing where F: Fn(&mut Context) + Send + Sync + 'static {
AdHoc::on_attach(move |rocket| {
let mut template_root = rocket.config()
.root_relative(DEFAULT_TEMPLATE_DIR);

Expand All @@ -172,7 +177,10 @@ impl Template {
};

match Context::initialize(template_root) {
Some(ctxt) => Ok(rocket.manage(ctxt)),
Some(mut context) => {
callback(&mut context);
Ok(rocket.manage(context))
},
None => Err(rocket)
}
})
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