Use configuration for environment variables

1 files changed, 33 insertions, 5 deletions

diff --git a/src/config.rs b/src/config.rs
index 02ae63d..7e67214 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,6 +1,34 @@
-// TODO: Everything here must be a std::env
+pub use config::ConfigError;
+use lazy_static::lazy_static;
+use serde::Deserialize;
 
-pub static PAGE_LIMIT: i64 = 20;
-pub const MAX_UPLOAD_FILE_SIZE: u64 = 1024 * 1024; // 1 MB
-pub const SAVE_FILE_BASE_PATH: &str = "./uploads";
-pub const UPLOADS_ENDPOINT: &str = "/uploads";
+// pub static PAGE_LIMIT: i64 = std::env::var("PAGE_LIMIT")
+//     .unwrap_or_else(|_| "20".to_string())
+//     .parse::<i64>()
+//     .unwrap();
+// pub const MAX_UPLOAD_FILE_SIZE: u64 = 1024 * 1024; // 1 MB
+// pub const SAVE_FILE_BASE_PATH: &str = &std::env::var("SAVE_FILE_BASE_PATH").unwrap();
+// pub const UPLOADS_ENDPOINT: &str = &std::env::var("UPLOADS_ENDPOINT").unwrap();
+
+#[derive(Deserialize)]
+pub struct Configuration {
+    pub page_limit: i64,
+    pub save_file_base_path: String,
+    pub uploads_endpoint: String,
+    pub rust_log: String,
+    pub database_url: String,
+    pub jwt_secret: String,
+    pub allowed_host: String,
+}
+
+impl Configuration {
+    pub fn new() -> Result<Self, ConfigError> {
+        let mut cfg = config::Config::new();
+        cfg.merge(config::Environment::default())?;
+        cfg.try_into()
+    }
+}
+
+lazy_static! {
+    pub static ref CONFIG: Configuration = Configuration::new().expect("Config can be loaded");
+}