graphql: Add a method to update group details

server/src/domain/handler.rs

@@ -70,6 +70,12 @@ pub struct UpdateUserRequest {
     pub last_name: Option<String>,
 }
 
+#[derive(PartialEq, Eq, Debug, Serialize, Deserialize, Clone)]
+pub struct UpdateGroupRequest {
+    pub group_id: GroupId,
+    pub display_name: Option<String>,
+}
+
 #[async_trait]
 pub trait LoginHandler: Clone + Send {
     async fn bind(&self, request: BindRequest) -> Result<()>;
@@ -88,6 +94,7 @@ pub trait BackendHandler: Clone + Send {
     async fn get_user_details(&self, user_id: &str) -> Result<User>;
     async fn create_user(&self, request: CreateUserRequest) -> Result<()>;
     async fn update_user(&self, request: UpdateUserRequest) -> Result<()>;
+    async fn update_group(&self, request: UpdateGroupRequest) -> Result<()>;
     async fn delete_user(&self, user_id: &str) -> Result<()>;
     async fn create_group(&self, group_name: &str) -> Result<GroupId>;
     async fn delete_group(&self, group_id: GroupId) -> Result<()>;
@@ -109,6 +116,7 @@ mockall::mock! {
         async fn get_user_details(&self, user_id: &str) -> Result<User>;
         async fn create_user(&self, request: CreateUserRequest) -> Result<()>;
         async fn update_user(&self, request: UpdateUserRequest) -> Result<()>;
+        async fn update_group(&self, request: UpdateGroupRequest) -> Result<()>;
         async fn delete_user(&self, user_id: &str) -> Result<()>;
         async fn create_group(&self, group_name: &str) -> Result<GroupId>;
         async fn delete_group(&self, group_id: GroupId) -> Result<()>;

server/src/domain/sql_backend_handler.rs

@@ -226,6 +226,23 @@ impl BackendHandler for SqlBackendHandler {
         Ok(())
     }
 
+    async fn update_group(&self, request: UpdateGroupRequest) -> Result<()> {
+        let mut values = Vec::new();
+        if let Some(display_name) = request.display_name {
+            values.push((Groups::DisplayName, display_name.into()));
+        }
+        if values.is_empty() {
+            return Ok(());
+        }
+        let query = Query::update()
+            .table(Groups::Table)
+            .values(values)
+            .and_where(Expr::col(Groups::GroupId).eq(request.group_id))
+            .to_string(DbQueryBuilder {});
+        sqlx::query(&query).execute(&self.sql_pool).await?;
+        Ok(())
+    }
+
     async fn delete_user(&self, user_id: &str) -> Result<()> {
         let delete_query = Query::delete()
             .from_table(Users::Table)