init rust db backend

lootalot_db/src/models.rs

@@ -0,0 +1,61 @@
+use crate::*;
+use crate::schema::players;
+
+#[derive(Queryable)]
+pub struct Player {
+    id: i32,
+    name: String,
+    debt: i32,
+    cp: i32,
+    sp: i32,
+    gp: i32,
+    pp: i32,
+}
+
+#[derive(Insertable)]
+#[table_name="players"]
+pub struct NewPlayer<'a> {
+    name: &'a str,
+    cp: i32,
+    sp: i32,
+    gp: i32,
+    pp: i32,
+}
+
+impl<'a> NewPlayer<'a> {
+
+    fn new(
+        name: &'a str,
+        wealth: Option<(i32,i32,i32,i32)>,
+    ) -> Self {
+        let (cp,sp,gp,pp) = wealth.unwrap_or((0,0,0,0));
+        NewPlayer { name, cp, sp, gp, pp }
+    }
+
+    fn insert(&self) -> Result<(),()> {
+        Err(())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::tests;
+    use super::*;
+
+    #[test]
+    fn new_player_only_with_name() {
+        let n = NewPlayer::new("Féfi", None);
+        assert_eq!(n.name, "Féfi");
+        assert_eq!(n.cp, 0);
+        assert_eq!(n.sp, 0);
+        assert_eq!(n.gp, 0);
+        assert_eq!(n.pp, 0);
+    }
+
+    #[test]
+    fn new_player_with_wealth() {
+        let initial_wealth = (1, 2, 3, 4);
+        let n = NewPlayer::new("Féfi", Some(initial_wealth));
+        assert_eq!(initial_wealth, (n.cp, n.sp, n.gp, n.pp));
+    }
+}