config added to shared model

shared/src/model/processing_order.rs

@@ -0,0 +1,41 @@
+use std::fmt::Display;
+use enum_iterator::Sequence;
+
+#[derive(Debug, Copy, Clone, serde::Serialize, serde::Deserialize, Sequence, PartialEq, Eq, Default)]
+pub enum ProcessingOrder {
+    #[serde(rename = "frm")]
+    #[default]
+    Frm,
+    #[serde(rename = "fmr")]
+    Fmr,
+    #[serde(rename = "rfm")]
+    Rfm,
+    #[serde(rename = "rmf")]
+    Rmf,
+    #[serde(rename = "mfr")]
+    Mfr,
+    #[serde(rename = "mrf")]
+    Mrf,
+}
+
+impl ProcessingOrder {
+    const FRM: &'static str = "filter, rename, map";
+    const FMR: &'static str = "filter, map, rename";
+    const RFM: &'static str = "rename, filter, map";
+    const RMF: &'static str = "rename, map, filter";
+    const MFR: &'static str = "map, filter, rename";
+    const MRF: &'static str = "map, rename, filter";
+}
+
+impl Display for ProcessingOrder {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(f, "{}", match *self {
+            Self::Frm => Self::FRM,
+            Self::Fmr => Self::FMR,
+            Self::Rfm => Self::RFM,
+            Self::Rmf => Self::RMF,
+            Self::Mfr => Self::MFR,
+            Self::Mrf => Self::MRF,
+        })
+    }
+}