the great refactor

src/types/link.rs

@@ -0,0 +1,55 @@
+use std::path::{Path, PathBuf};
+
+use serde::{Deserialize, Serialize};
+
+use crate::types::mod_file::ModFile;
+
+/// A link between a file from a mod and a destination in a ModdedInstance
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq, Hash)]
+#[serde(from = "(PathBuf, PathBuf)", into = "(PathBuf,PathBuf)")]
+pub struct Link {
+    src: PathBuf,
+    dst: PathBuf,
+}
+
+impl Link {
+    pub fn new(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> Self {
+        Self {
+            src: src.as_ref().to_owned(),
+            dst: dst.as_ref().to_owned(),
+        }
+    }
+
+    pub fn from_mod_file(file: &ModFile) -> Self {
+        Self::new(file.src(), file.dst())
+    }
+
+    pub fn src(&self) -> &Path {
+        &self.src
+    }
+
+    pub fn dst(&self) -> &Path {
+        &self.dst
+    }
+}
+
+impl From<(PathBuf, PathBuf)> for Link {
+    fn from(value: (PathBuf, PathBuf)) -> Self {
+        Self {
+            src: value.0,
+            dst: value.1,
+        }
+    }
+}
+
+impl From<Link> for (PathBuf, PathBuf) {
+    fn from(value: Link) -> Self {
+        (value.src, value.dst)
+    }
+}
+
+impl From<ModFile> for Link {
+    fn from(value: ModFile) -> Self {
+        Self::new(value.src(), value.dst())
+    }
+}