runique 1.1.25

A Django-inspired web framework for Rust with ORM, templates, and comprehensive security middleware
Documentation 
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use crate::utils::aliases::{ARlockmap, JsonMap, TResult};
use tera::{Function, Value};

pub struct LinkFunction {
    pub url_registry: ARlockmap,
}

impl Function for LinkFunction {
    fn call(&self, args: &JsonMap) -> TResult {
        link_function(args, &self.url_registry)
    }
}

fn link_function(args: &JsonMap, url_registry: &ARlockmap) -> TResult {
    let link_name = args
        .get("link")
        .and_then(|v| v.as_str())
        .ok_or_else(|| tera::Error::msg("link() nécessite un argument 'link'"))?;

    let map = url_registry.read().unwrap();
    let pattern = map.get(link_name).cloned().ok_or_else(|| {
        tera::Error::msg(format!(
            "Route '{}' introuvable.\n\nVérifiez que la route existe dans vos routes !",
            link_name
        ))
    })?;
    drop(map);

    Ok(Value::String(pattern))
}