graphql: Add a method to update a user

server/src/domain/handler.rs

@@ -59,6 +59,16 @@ pub struct CreateUserRequest {
     pub last_name: Option<String>,
 }
 
+#[derive(PartialEq, Eq, Debug, Serialize, Deserialize, Clone, Default)]
+pub struct UpdateUserRequest {
+    // Same fields as CreateUserRequest, but no with an extra layer of Option.
+    pub user_id: String,
+    pub email: Option<String>,
+    pub display_name: Option<String>,
+    pub first_name: Option<String>,
+    pub last_name: Option<String>,
+}
+
 #[async_trait]
 pub trait LoginHandler: Clone + Send {
     async fn bind(&self, request: BindRequest) -> Result<()>;
@@ -73,6 +83,7 @@ pub trait BackendHandler: Clone + Send {
     async fn list_groups(&self) -> Result<Vec<Group>>;
     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 delete_user(&self, user_id: &str) -> Result<()>;
     async fn create_group(&self, group_name: &str) -> Result<GroupId>;
     async fn add_user_to_group(&self, user_id: &str, group_id: GroupId) -> Result<()>;
@@ -91,6 +102,7 @@ mockall::mock! {
         async fn list_groups(&self) -> Result<Vec<Group>>;
         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 delete_user(&self, user_id: &str) -> Result<()>;
         async fn create_group(&self, group_name: &str) -> Result<GroupId>;
         async fn get_user_groups(&self, user: &str) -> Result<HashSet<String>>;

server/src/domain/sql_backend_handler.rs

@@ -193,6 +193,31 @@ impl BackendHandler for SqlBackendHandler {
         Ok(())
     }
 
+    async fn update_user(&self, request: UpdateUserRequest) -> Result<()> {
+        let mut values = Vec::new();
+        if let Some(email) = request.email {
+            values.push((Users::Email, email.into()));
+        }
+        if let Some(display_name) = request.display_name {
+            values.push((Users::DisplayName, display_name.into()));
+        }
+        if let Some(first_name) = request.first_name {
+            values.push((Users::FirstName, first_name.into()));
+        }
+        if let Some(last_name) = request.last_name {
+            values.push((Users::LastName, last_name.into()));
+        }
+        if values.is_empty() {
+            return Ok(());
+        }
+        let query = Query::update()
+            .table(Users::Table)
+            .values(values)
+            .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)