Added Location and location ownership/rights to gamenight.

gamenight-database/src/location_owner.rs

@@ -0,0 +1,47 @@
+use crate::{DbConnection, schema::location_owner, user::DatabaseError};
+use diesel::{
+    BoolExpressionMethods, ExpressionMethods, QueryDsl, RunQueryDsl,
+    dsl::{delete, insert_into},
+    prelude::{Insertable, Queryable},
+};
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+#[derive(Serialize, Deserialize, Debug, Insertable, Queryable)]
+#[diesel(table_name = location_owner)]
+pub struct LocationOwner {
+    pub location_id: Uuid,
+    pub user_id: Uuid,
+}
+
+pub fn grant_permission(
+    conn: &mut DbConnection,
+    location_owner: LocationOwner,
+) -> Result<usize, DatabaseError> {
+    Ok(insert_into(location_owner::table)
+        .values(&location_owner)
+        .execute(conn)?)
+}
+
+pub fn revoke_permission(
+    conn: &mut DbConnection,
+    location_owner: LocationOwner,
+) -> Result<usize, DatabaseError> {
+    Ok(delete(location_owner::table)
+        .filter(
+            location_owner::location_id
+                .eq(location_owner.location_id)
+                .and(location_owner::user_id.eq(location_owner.user_id)),
+        )
+        .execute(conn)?)
+}
+
+pub fn location_permissions(
+    conn: &mut DbConnection,
+    location_id: Uuid,
+) -> Result<Vec<Uuid>, DatabaseError> {
+    Ok(location_owner::table
+        .select(location_owner::user_id)
+        .filter(location_owner::location_id.eq(location_id))
+        .get_results(conn)?)
+}