feat(otter): cli command to toggle admin status

gpodder_sqlite/src/models/user.rs

@@ -2,7 +2,7 @@ use diesel::prelude::*;
 
 use crate::schema::*;
 
-#[derive(Clone, Queryable, Selectable)]
+#[derive(Clone, Queryable, Selectable, AsChangeset)]
 #[diesel(table_name = users)]
 #[diesel(check_for_backend(diesel::sqlite::Sqlite))]
 pub struct User {

gpodder_sqlite/src/repository/auth.rs

@@ -24,6 +24,17 @@ impl From<User> for gpodder::User {
     }
 }
 
+impl From<gpodder::User> for User {
+    fn from(value: gpodder::User) -> Self {
+        Self {
+            id: value.id,
+            username: value.username,
+            password_hash: value.password_hash,
+            admin: value.admin,
+        }
+    }
+}
+
 impl From<SignupLink> for gpodder::SignupLink {
     fn from(value: SignupLink) -> Self {
         Self {
@@ -58,6 +69,18 @@ impl gpodder::GpodderAuthStore for SqliteRepository {
             .map_err(DbError::from)?)
     }
 
+    fn update_user(&self, user: gpodder::User) -> Result<gpodder::User, AuthErr> {
+        let conn = &mut self.pool.get().map_err(DbError::from)?;
+        let user: User = user.into();
+
+        Ok(diesel::update(users::table.filter(users::id.eq(user.id)))
+            .set(&user)
+            .returning(User::as_returning())
+            .get_result(conn)
+            .map(gpodder::User::from)
+            .map_err(DbError::from)?)
+    }
+
     fn get_session(&self, session_id: i64) -> Result<Option<gpodder::models::Session>, AuthErr> {
         match sessions::table
             .inner_join(users::table)