app: migrate user creation to GraphQL

app/queries/create_user.graphql

@@ -0,0 +1,6 @@
+mutation CreateUser($user: UserInput!) {
+  createUser(user: $user) {
+    id
+    creationDate
+  }
+}

app/src/api.rs

@@ -1,7 +1,7 @@
 use crate::cookies::set_cookie;
 use anyhow::{anyhow, Context, Result};
 use graphql_client::GraphQLQuery;
-use lldap_model::*;
+use lldap_model::{login, registration, JWTClaims};
 
 use yew::callback::Callback;
 use yew::format::Json;
@@ -231,16 +231,4 @@ impl HostService {
             "Could not logout",
         )
     }
-
-    pub fn create_user(
-        request: CreateUserRequest,
-        callback: Callback<Result<()>>,
-    ) -> Result<FetchTask> {
-        call_server_empty_response_with_error_message(
-            "/api/users/create",
-            &request,
-            callback,
-            "Could not create a user",
-        )
-    }
 }

app/src/create_user.rs

@@ -1,6 +1,7 @@
 use crate::api::HostService;
 use anyhow::{anyhow, Context, Result};
-use lldap_model::*;
+use graphql_client::GraphQLQuery;
+use lldap_model::{opaque, registration};
 use yew::prelude::*;
 use yew::services::{fetch::FetchTask, ConsoleService};
 use yew_router::{
@@ -8,6 +9,15 @@ use yew_router::{
     route::Route,
 };
 
+#[derive(GraphQLQuery)]
+#[graphql(
+    schema_path = "../schema.graphql",
+    query_path = "queries/create_user.graphql",
+    response_derives = "Debug",
+    custom_scalars_module = "crate::graphql"
+)]
+pub struct CreateUser;
+
 pub struct CreateUserForm {
     link: ComponentLink<Self>,
     route_dispatcher: RouteAgentDispatcher,
@@ -19,7 +29,7 @@ pub struct CreateUserForm {
 }
 
 pub enum Msg {
-    CreateUserResponse(Result<()>),
+    CreateUserResponse(Result<create_user::ResponseData>),
     SubmitForm,
     SuccessfulCreation,
     RegistrationStartResponse(Result<Box<registration::ServerRegistrationStartResponse>>),
@@ -35,26 +45,33 @@ impl CreateUserForm {
     fn handle_msg(&mut self, msg: <Self as Component>::Message) -> Result<()> {
         match msg {
             Msg::SubmitForm => {
-                let req = CreateUserRequest {
-                    user_id: get_element("username")
-                        .filter(not_empty)
-                        .ok_or_else(|| anyhow!("Missing username"))?,
-                    email: get_element("email")
-                        .filter(not_empty)
-                        .ok_or_else(|| anyhow!("Missing email"))?,
-                    display_name: get_element("displayname").filter(not_empty),
-                    first_name: get_element("firstname").filter(not_empty),
-                    last_name: get_element("lastname").filter(not_empty),
+                let req = create_user::Variables {
+                    user: create_user::UserInput {
+                        id: get_element("username")
+                            .filter(not_empty)
+                            .ok_or_else(|| anyhow!("Missing username"))?,
+                        email: get_element("email")
+                            .filter(not_empty)
+                            .ok_or_else(|| anyhow!("Missing email"))?,
+                        displayName: get_element("displayname").filter(not_empty),
+                        firstName: get_element("firstname").filter(not_empty),
+                        lastName: get_element("lastname").filter(not_empty),
+                    },
                 };
-                self._task = Some(
-                    HostService::create_user(req, self.link.callback(Msg::CreateUserResponse))
-                        .context("Error trying to create user")?,
-                );
+                self._task = Some(HostService::graphql_query::<CreateUser>(
+                    req,
+                    self.link.callback(Msg::CreateUserResponse),
+                    "Error trying to create user",
+                )?);
             }
             Msg::CreateUserResponse(r) => {
-                if r.is_err() {
-                    return r;
-                }
+                match r {
+                    Err(e) => return Err(e),
+                    Ok(r) => ConsoleService::log(&format!(
+                        "Created user '{}' at '{}'",
+                        &r.create_user.id, &r.create_user.creation_date
+                    )),
+                };
                 let user_id = get_element("username")
                     .filter(not_empty)
                     .ok_or_else(|| anyhow!("Missing username"))?;
@@ -183,7 +200,7 @@ impl Component for CreateUserForm {
                     <label for="password">{"Password:"}</label>
                     <input type="password" id="password" />
                 </div>
-                <button type="submit">{"Login"}</button>
+                <button type="submit">{"Submit"}</button>
                 <div>
                 { if let Some(e) = &self.error {
                     html! { e.to_string() }