Archipelago — open-source initial import

core/models/src/id/volume.rs

@@ -0,0 +1,58 @@
+use std::borrow::Borrow;
+use std::path::Path;
+
+use serde::{Deserialize, Deserializer, Serialize};
+
+use crate::Id;
+
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub enum VolumeId {
+    Backup,
+    Custom(Id),
+}
+impl std::fmt::Display for VolumeId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            VolumeId::Backup => write!(f, "BACKUP"),
+            VolumeId::Custom(id) => write!(f, "{}", id),
+        }
+    }
+}
+impl AsRef<str> for VolumeId {
+    fn as_ref(&self) -> &str {
+        match self {
+            VolumeId::Backup => "BACKUP",
+            VolumeId::Custom(id) => id.as_ref(),
+        }
+    }
+}
+impl Borrow<str> for VolumeId {
+    fn borrow(&self) -> &str {
+        self.as_ref()
+    }
+}
+impl AsRef<Path> for VolumeId {
+    fn as_ref(&self) -> &Path {
+        AsRef::<str>::as_ref(self).as_ref()
+    }
+}
+impl<'de> Deserialize<'de> for VolumeId {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let unchecked: String = Deserialize::deserialize(deserializer)?;
+        Ok(match unchecked.as_ref() {
+            "BACKUP" => VolumeId::Backup,
+            _ => VolumeId::Custom(Id::try_from(unchecked).map_err(serde::de::Error::custom)?),
+        })
+    }
+}
+impl Serialize for VolumeId {
+    fn serialize<Ser>(&self, serializer: Ser) -> Result<Ser::Ok, Ser::Error>
+    where
+        Ser: serde::Serializer,
+    {
+        serializer.serialize_str(self.as_ref())
+    }
+}