From 55cfb8187cb814e17a2a99d02bfd9296fc01dcc2 Mon Sep 17 00:00:00 2001
From: mrw1593 <botahamec@outlook.com>
Date: Fri, 30 Jun 2023 19:27:33 -0400
Subject: Added config file

---
 src/services/config.rs | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 src/services/config.rs

(limited to 'src/services/config.rs')

diff --git a/src/services/config.rs b/src/services/config.rs
new file mode 100644
index 0000000..6468126
--- /dev/null
+++ b/src/services/config.rs
@@ -0,0 +1,74 @@
+use std::{
+	fmt::{self, Display},
+	str::FromStr,
+};
+
+use exun::RawUnexpected;
+use parking_lot::RwLock;
+use serde::Deserialize;
+use thiserror::Error;
+use url::Url;
+
+static ENVIRONMENT: RwLock<Environment> = RwLock::new(Environment::Local);
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct Config {
+	pub id: Box<str>,
+	pub url: Url,
+}
+
+pub fn get_config() -> Result<Config, RawUnexpected> {
+	let env = get_environment();
+	let path = format!("static/config/{env}.toml");
+	let string = std::fs::read_to_string(path)?;
+	let config = toml::from_str(&string)?;
+	Ok(config)
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum Environment {
+	Local,
+	Dev,
+	Staging,
+	Production,
+}
+
+impl Display for Environment {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		match self {
+			Self::Local => f.write_str("local"),
+			Self::Dev => f.write_str("dev"),
+			Self::Staging => f.write_str("staging"),
+			Self::Production => f.write_str("prod"),
+		}
+	}
+}
+
+#[derive(Debug, Clone, Error)]
+#[error("Expected one of the following environments: local, dev, staging, prod. Found {string}")]
+pub struct ParseEnvironmentError {
+	string: Box<str>,
+}
+
+impl FromStr for Environment {
+	type Err = ParseEnvironmentError;
+
+	fn from_str(s: &str) -> Result<Self, Self::Err> {
+		match s {
+			"local" => Ok(Self::Local),
+			"dev" => Ok(Self::Dev),
+			"staging" => Ok(Self::Staging),
+			"prod" => Ok(Self::Production),
+			_ => Err(ParseEnvironmentError { string: s.into() }),
+		}
+	}
+}
+
+pub fn set_environment(env: Environment) {
+	let mut env_ptr = ENVIRONMENT.write();
+	*env_ptr = env;
+}
+
+fn get_environment() -> Environment {
+	ENVIRONMENT.read().clone()
+}
-- 
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