add trailer reservation funcitonality; Fixes #443

src/model/trailer.rs

@@ -0,0 +1,31 @@
+use std::ops::DerefMut;
+
+use rocket::serde::{Deserialize, Serialize};
+use sqlx::{FromRow, Sqlite, SqlitePool, Transaction};
+
+#[derive(FromRow, Debug, Serialize, Deserialize, Eq, Hash, PartialEq, Clone)]
+pub struct Trailer {
+    pub id: i64,
+    pub name: String,
+}
+
+impl Trailer {
+    pub async fn find_by_id(db: &SqlitePool, id: i32) -> Option<Self> {
+        sqlx::query_as!(Self, "SELECT id, name FROM trailer WHERE id like ?", id)
+            .fetch_one(db)
+            .await
+            .ok()
+    }
+    pub async fn find_by_id_tx(db: &mut Transaction<'_, Sqlite>, id: i32) -> Option<Self> {
+        sqlx::query_as!(Self, "SELECT id, name FROM trailer WHERE id like ?", id)
+            .fetch_one(db.deref_mut())
+            .await
+            .ok()
+    }
+    pub async fn all(db: &SqlitePool) -> Vec<Self> {
+        sqlx::query_as!(Self, "SELECT id, name FROM trailer")
+            .fetch_all(db)
+            .await
+            .unwrap()
+    }
+}