Add CRUD Task

src/models/task.rs

@@ -1,5 +1,5 @@
-use rocket::serde::Serialize;
-use diesel::{self, result::QueryResult, Queryable, Insertable, prelude::*};
+use rocket::serde::{Serialize, Deserialize};
+use diesel::{self, result::QueryResult, Queryable, Insertable, AsChangeset, prelude::*};
 use super::DbConn;
 
 table! {
@@ -10,7 +10,7 @@ table! {
     }
 }
 
-#[derive(Serialize, Queryable, Insertable, Debug, Clone)]
+#[derive(Serialize, Deserialize, Queryable, Insertable, AsChangeset, Debug, Clone)]
 #[serde(crate = "rocket::serde")]
 #[table_name="tasks"]
 pub struct Task {
@@ -21,7 +21,7 @@ pub struct Task {
 
 impl Task {
     pub async fn all(conn: &DbConn) -> QueryResult<Vec<Task>> {
-        conn.run(move |c| {
+        conn.run(|c| {
             tasks::table.load(c)
         }).await
     }
@@ -33,4 +33,29 @@ impl Task {
                 .first(c)
         }).await
     }
+
+    pub async fn create(db: DbConn, task: Task) -> QueryResult<usize> {
+        db.run(move |conn| {
+            diesel::insert_into(tasks::table)
+                .values(&task)
+                .execute(conn)
+        }).await
+    }
+
+    pub async fn update(db: DbConn, id: i32, task: Task) -> QueryResult<usize> {
+        db.run(move |conn| {
+            diesel::update(tasks::table)
+                .set(&task)
+                .filter(tasks::id.eq(id))
+                .execute(conn)
+        }).await
+    }
+
+    pub async fn delete(db: DbConn, id: i32) -> QueryResult<usize> {
+        db.run(move |conn| {
+            diesel::delete(tasks::table)
+                .filter(tasks::id.eq(id))
+                .execute(conn)
+        }).await
+    }
 }