First attempt at refactoring out a CouchDB client.

src/web.rs

@@ -50,8 +50,8 @@ struct CouchDBQuery<T> {
 }
 
 #[derive(Serialize, Deserialize)]
-struct CouchDBUserResult {
-    docs: Vec<User>,
+struct CouchDBUserResult<T> {
+    docs: Vec<T>,
 }
 
 #[derive(Serialize)]
@@ -76,18 +76,66 @@ fn status(_req: HttpRequest) -> impl Responder {
     })
 }
 
+pub static ENV_COUCHDB_URI: &'static str = "ROOKERIES_COUCHDB";
+
+#[allow(dead_code)]
+pub struct CouchDbServer {
+    pub base_uri: String,
+    username: String,
+    password: String,
+    database: String,
+}
+
+impl CouchDbServer {
+    pub fn configure_from_env() -> Result<CouchDbServer, env::VarError> {
+        let couchdb_uri = env::var(ENV_COUCHDB_URI)?;
+        // TODO: Configure from string properly.
+        Ok(CouchDbServer{
+            base_uri: couchdb_uri,
+            username: String::from("admin"),
+            password: String::from("password"),
+            database: String::from("rookeries"),
+        })
+    }
+
+//    pub fn find<M, T>(&self, query: CouchDBQuery<M>) -> Result<Vec<T>, Error> {
+//
+//        let client = Client::new();
+//        let couchdb_uri = format!("{}/_find/", &self.base_uri);
+//
+//        let post_request = client.post(&couchdb_uri)
+//            .basic_auth(&self.username, Some(&self.password))
+//            .json(&query)
+//            .send();
+//
+//        if post_request.is_err() {
+//            Err(post_request.unwrap_err())
+//        }
+//
+//        let mut response = post_request.unwrap();
+//        if response.status() != StatusCode::Ok {
+//            error!("request error: {}", &response.status());
+//            Err(&response)
+//        };
+//
+//        let results: CouchDBUserResult<T> = response.json().unwrap();
+//        Ok(results.docs)
+//    }
+}
+
 fn auth(credentials: Json<UserCredentialsRequest>) -> impl Responder {
 
-    let db_connection = match env::var("ROOKERIES_COUCHDB") {
-        Ok(db_uri) =>  db_uri,
-        Err(err) => {
-            error!("Missing '{}' because: {:}", ENV_JWT_SECRET_KEY, err);
-            return json_error_message(
+    let couchdb = CouchDbServer::configure_from_env();
+    if couchdb.is_err() {
+        error!("Missing '{}'", ENV_COUCHDB_URI);
+        return json_error_message(
             StatusCode::InternalServerError,
             "Server not configured correctly",
         );
-        }
-    };
+    }
+
+    // TODO: Migrate find command into a standalone function.
+    let db_connection = couchdb.unwrap().base_uri;
 
     // TODO: Consider wrapping everything into a CouchDB client of sorts.
     // TODO: Clean up this entire thing.
@@ -117,7 +165,7 @@ fn auth(credentials: Json<UserCredentialsRequest>) -> impl Responder {
         return json_error_message(StatusCode::Unauthorized, "Invalid credentials provided.");
     };
 
-    let results: CouchDBUserResult = response.json().unwrap();
+    let results: CouchDBUserResult<User> = response.json().unwrap();
     if results.docs.len() == 0 {
         info!("User '{}' could not be found.", &credentials.username);
         return json_error_message(StatusCode::Unauthorized, "Invalid credentials provided.");