restify-macros 0.0.6

STILL WIP
Documentation 
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use std::{fs::read_to_string, path::PathBuf};

use lazy_static::lazy_static;
use serde::Deserialize;
use syn::{parse_str, Type};

lazy_static! {
  pub static ref CONFIG: Config = Config::new();
}

#[derive(Default, Debug, Deserialize)]
pub struct Config {
  pub state: Option<String>,
  #[serde(rename = "module-context")]
  pub module_context: Option<String>,
}

impl Config {
  pub fn new() -> Self {
    let path = match std::env::var("CARGO_MANIFEST_DIR") {
      Ok(dir) if cfg!(feature = "cargo_manifest_dir") => {
        let mut path = PathBuf::from(dir);

        path.push("restify.toml");

        path
      }
      _ => PathBuf::from("restify.toml"),
    };

    if !path.exists() {
      return Config::default();
    }

    let config: Config =
      toml::from_str(&read_to_string(path).expect("Failed to to read restify.toml"))
        .expect("Failed to parse restify.toml");

    if let Some(path) = &config.state {
      parse_str::<Type>(path).expect("`state` must be a type path in restify.toml");
    }

    if let Some(path) = &config.module_context {
      parse_str::<Type>(path).expect("`module-context` must be a type path in restify.toml");
    }

    config
  }
}