artifacts: move some of the artifacts code into its own module

src/artifacts.rs

@@ -0,0 +1,45 @@
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub enum Artifact {
+    Bandcamp(BandcampResult),
+    BeetsTrack(serde_json::Value)
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub enum BandcampResult {
+    Artist { name: String, bio: Option<String>, location: Option<String> },
+    Album { title: String, about: Option<String>, credits: Option<String>, release_date: DateTime<Utc>, artist: String }
+}
+
+impl Into<BandcampResult> for bandcamp::Artist {
+    fn into(self) -> BandcampResult {
+        BandcampResult::Artist { name: self.name, bio: self.bio, location: self.location }
+    }
+}
+
+impl Into<BandcampResult> for bandcamp::Album {
+    fn into(self) -> BandcampResult {
+        BandcampResult::Album {
+            about: self.about,
+            title: self.title,
+            artist: self.band.name,
+            credits: self.credits,
+            release_date: self.release_date
+        }
+    }
+}
+
+impl Into<Artifact> for bandcamp::Album {
+    fn into(self) -> Artifact {
+        Artifact::Bandcamp(self.into())
+    }
+}
+
+impl Into<Artifact> for bandcamp::Artist {
+    fn into(self) -> Artifact {
+        Artifact::Bandcamp(self.into())
+    }
+}