impls more DbApi actions, adds a test

lootalot_db/src/models/item.rs

@@ -14,9 +14,9 @@ type OwnedBy = Select<OwnedLoot, ItemColumns>;
 /// Or maybe this is a little too confusing ??
 #[derive(Debug, Queryable, Serialize)]
 pub struct Item {
-    id: i32,
-    name: String,
-    base_price: i32,
+    pub id: i32,
+    pub name: String,
+    pub base_price: i32,
 }
 
 impl Item {
@@ -35,7 +35,7 @@ type OwnedLoot = Filter<looted::table, WithOwner>;
 pub(crate) struct Loot {
     id: i32,
     name: String,
-    base_value: i32,
+    base_price: i32,
     owner: i32,
 }
 
@@ -45,13 +45,17 @@ impl Loot {
         looted::table.filter(looted::owner_id.eq(id))
     }
 
+    pub(crate) fn owns(player: i32, item: i32) -> Exists<Find<OwnedLoot, i32>> {
+        exists(Loot::owned_by(player).find(item))
+    }
+
     pub(crate) fn exists(id: i32) -> Exists<Find<looted::table, i32>> {
         exists(looted::table.find(id))
     }
 }
 
 /// Description of an item : (name, value in gold)
-type ItemDesc<'a> = (&'a str, i32);
+pub type ItemDesc<'a> = (&'a str, i32);
 
 /// An item being looted or bought.
 ///