fix: Reject empty string field value

Signed-off-by: Awiteb <a@4rs.nl>

src/cli/add_command.rs

@@ -92,6 +92,29 @@ impl LprsCommand for Add {
                 )));
             }
         }
+        if self
+            .password
+            .as_ref()
+            .is_some_and(|p| p.as_ref().is_some_and(|p| p.is_empty()))
+            || self.vault_info.name.is_empty()
+            || self
+                .vault_info
+                .username
+                .as_ref()
+                .is_some_and(|u| u.is_empty())
+            || self
+                .vault_info
+                .service
+                .as_ref()
+                .is_some_and(|s| s.is_empty())
+            || self.vault_info.note.as_ref().is_some_and(|n| n.is_empty())
+            || self
+                .custom_fields
+                .iter()
+                .any(|(k, v)| k.is_empty() || v.is_empty())
+        {
+            return Err(LprsError::EmptyValue);
+        }
         if self
             .custom_fields
             .iter()

src/errors.rs

@@ -44,6 +44,8 @@ pub enum Error {
          custom fields {0}"
     )]
     ReservedPrefix(&'static str),
+    #[error("Invalid Field Value: Field value cannot be empty")]
+    EmptyValue,
     #[error("Base32 Error: {0}")]
     Base32(String),
     #[error("{0}")]