move repos into monorepo

lib/osiris/core/error.rs

@@ -0,0 +1,46 @@
+use std::fmt;
+
+#[derive(Debug)]
+pub enum Error {
+    Redis(redis::RedisError),
+    Serialization(serde_json::Error),
+    NotFound(String),
+    InvalidInput(String),
+    Config(String),
+    Io(std::io::Error),
+}
+
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Error::Redis(e) => write!(f, "Redis error: {}", e),
+            Error::Serialization(e) => write!(f, "Serialization error: {}", e),
+            Error::NotFound(msg) => write!(f, "Not found: {}", msg),
+            Error::InvalidInput(msg) => write!(f, "Invalid input: {}", msg),
+            Error::Config(msg) => write!(f, "Configuration error: {}", msg),
+            Error::Io(e) => write!(f, "IO error: {}", e),
+        }
+    }
+}
+
+impl std::error::Error for Error {}
+
+impl From<redis::RedisError> for Error {
+    fn from(e: redis::RedisError) -> Self {
+        Error::Redis(e)
+    }
+}
+
+impl From<serde_json::Error> for Error {
+    fn from(e: serde_json::Error) -> Self {
+        Error::Serialization(e)
+    }
+}
+
+impl From<std::io::Error> for Error {
+    fn from(e: std::io::Error) -> Self {
+        Error::Io(e)
+    }
+}
+
+pub type Result<T> = std::result::Result<T, Error>;