1 files changed, 42 insertions, 0 deletions
diff --git a/src/index.rs b/src/index.rs
new file mode 100644
index 0000000..069068a
--- /dev/null
+++ b/src/index.rs
@@ -0,0 +1,42 @@
+use tokio::fs;
+
+use crate::{AppImage, index_dir};
+
+#[derive(Debug, Default)]
+pub struct Index {}
+
+impl Index {
+    pub fn new() -> Self {
+        Self {}
+    }
+    pub async fn get(&self, appname: &str) -> Result<AppImage, Box<dyn std::error::Error>> {
+        let index_file_path = index_dir().join(format!("{appname}.json"));
+        let index_file_content = fs::read_to_string(&index_file_path).await?;
+        let appimage: AppImage = serde_json::from_str(&index_file_content)?;
+
+        Ok(appimage)
+    }
+    pub fn exists(&self, executable: &str) -> bool {
+        index_dir().join(format!("{}.json", &executable)).exists()
+    }
+    pub async fn add(
+        &self,
+        appimage: &AppImage,
+        appname: &str,
+    ) -> Result<(), Box<dyn std::error::Error>> {
+        fs::create_dir_all(&index_dir()).await?;
+
+        let index_file = &index_dir().join(format!("{appname}.json"));
+
+        let json = serde_json::to_string_pretty(appimage)?;
+        fs::write(index_file, json).await?;
+
+        Ok(())
+    }
+    pub async fn remove(&self, appname: &str) -> Result<(), Box<dyn std::error::Error>> {
+        let index_file_path = index_dir().join(format!("{appname}.json"));
+        fs::remove_file(index_file_path).await?;
+
+        Ok(())
+    }
+}