change: more advanced searching and filtering

src/utils/error.rs

@@ -1,4 +1,4 @@
-use std::result;
+use std::{borrow::Cow, result};
 
 /// A type alias for handling errors related to Bottom.
 pub type Result<T> = result::Result<T, BottomError>;
@@ -22,6 +22,8 @@ pub enum BottomError {
     ConfigError(String),
     /// An error to represent errors with converting between data types.
     ConversionError(String),
+    /// An error to represent errors with querying.
+    QueryError(Cow<'static, str>),
 }
 
 impl std::fmt::Display for BottomError {
@@ -47,6 +49,9 @@ impl std::fmt::Display for BottomError {
             BottomError::ConversionError(ref message) => {
                 write!(f, "unable to convert: {}", message)
             }
+            BottomError::QueryError(ref _message) => {
+                write!(f, "invalid query - this should not be shown!")
+            }
         }
     }
 }
@@ -98,3 +103,9 @@ impl From<std::str::Utf8Error> for BottomError {
         BottomError::ConversionError(err.to_string())
     }
 }
+
+impl From<regex::Error> for BottomError {
+    fn from(err: regex::Error) -> Self {
+        BottomError::QueryError(err.to_string().into())
+    }
+}

src/utils/logging.rs

@@ -1,3 +1,4 @@
+#[cfg(debug_assertions)]
 pub fn init_logger() -> Result<(), fern::InitError> {
     fern::Dispatch::new()
         .format(|out, message, record| {