Add a API entry point to get all tags

common/src/ron_api.rs

@@ -1,6 +1,7 @@
 use chrono::NaiveDate;
 use ron::ser::{PrettyConfig, to_string_pretty};
 use serde::{Deserialize, Serialize};
+use strum::FromRepr;
 
 /*** Generic types ***/
 
@@ -20,7 +21,7 @@ pub struct DateRange {
 /*** Recipe ***/
 
 #[repr(u32)]
-#[derive(Serialize, Deserialize, Clone, Copy, PartialEq, Debug)]
+#[derive(Serialize, Deserialize, FromRepr, Clone, Copy, PartialEq, Debug)]
 pub enum Difficulty {
     Unknown = 0,
     Easy = 1,
@@ -29,14 +30,9 @@ pub enum Difficulty {
 }
 
 impl TryFrom<u32> for Difficulty {
-    type Error = &'static str;
+    type Error = String;
     fn try_from(value: u32) -> Result<Self, Self::Error> {
-        Ok(match value {
-            1 => Self::Easy,
-            2 => Self::Medium,
-            3 => Self::Hard,
-            _ => Self::Unknown,
-        })
+        Difficulty::from_repr(value).ok_or(format!("Unable to convert difficulty from {}", value))
     }
 }