brk: first commit

_src/parser/databases/_trait.rs

@@ -0,0 +1,60 @@
+use std::{fs, io, path::Path};
+
+use log::info;
+use snkrj::AnyDatabase;
+
+use crate::structs::{Config, Date, Height};
+
+use super::Metadata;
+
+pub trait AnyDatabaseGroup
+where
+    Self: Sized,
+{
+    fn init(config: &Config) -> Self {
+        let s = Self::import(config);
+        s.create_dir_all().unwrap();
+        s
+    }
+
+    fn import(config: &Config) -> Self;
+
+    fn drain_to_vec(&mut self) -> Vec<Box<dyn AnyDatabase + Send>>;
+    fn open_all(&mut self);
+
+    fn metadata(&mut self) -> &mut Metadata;
+    fn export_metadata(&mut self, height: Height, date: Date) -> color_eyre::Result<()> {
+        self.metadata().export(height, date)
+    }
+
+    fn create_dir_all(&self) -> color_eyre::Result<(), std::io::Error> {
+        fs::create_dir_all(self.path())
+    }
+
+    fn remove_dir_all(&self) -> color_eyre::Result<(), io::Error> {
+        fs::remove_dir_all(self.path())
+    }
+
+    fn reset(&mut self) -> color_eyre::Result<(), io::Error> {
+        info!(
+            "Reset {}",
+            self.path()
+                .components()
+                .last()
+                .unwrap()
+                .as_os_str()
+                .to_str()
+                .unwrap()
+        );
+
+        self.reset_metadata();
+        self.remove_dir_all()?;
+        self.create_dir_all()?;
+
+        Ok(())
+    }
+
+    fn reset_metadata(&mut self);
+
+    fn path(&self) -> &Path;
+}