Improve error reporting when server requests fail

5 files changed, 22 insertions, 9 deletions

diff --git a/webapp/Cargo.toml b/webapp/Cargo.toml
index fe1d53b..255dd45 100644
--- a/webapp/Cargo.toml
+++ b/webapp/Cargo.toml
@@ -20,6 +20,7 @@ yew-router = "0.16.0"
 web-sys = { version = "0.3.60", features = ["Location", "Document"] }
 uuid = { version = "1.2.1", features = ["serde"] }
 rand =  "0.8.4"
+serde = "1.0.147"
 
 [dev-dependencies]
 env_logger = "0.8.4"
diff --git a/webapp/src/components/app_context_provider.rs b/webapp/src/components/app_context_provider.rs
index 4c9e18f..7ca0cf3 100644
--- a/webapp/src/components/app_context_provider.rs
+++ b/webapp/src/components/app_context_provider.rs
@@ -1,5 +1,5 @@
 use log::error;
-use crate::routing::Route;
+use crate::{routing::Route, utils::ok_json};
 use gloo_net::http::Request;
 use log::info;
 use protocol::UserInfo;
@@ -8,6 +8,7 @@ use std::future::Future;
 use wasm_bindgen_futures::spawn_local;
 use yew::prelude::*;
 use yew_router::prelude::*;
+use anyhow::Context;
 
 #[derive(Properties, Clone, PartialEq, Debug)]
 pub struct ErrorInfoProperties {
@@ -36,7 +37,7 @@ impl AppContext {
             if let Err(err) = f.await {
 		error!("Error occurred: {err:?}");
                 error.set(Some(ErrorInfoProperties {
-                    message: format!("Some error occured: {:?}", err),
+                    message: format!("{err:?}"),
                 }));
             }
         });
@@ -55,7 +56,7 @@ impl AppContext {
 	let history = self.history.clone();
 	self.spawn_async(async move {
 	    let response = Request::post("/api/table").send().await?;
-            let table_id: Uuid = response.json().await?;
+            let table_id: Uuid = ok_json(response).await.context("creating table")?;
             info!("Created table {table_id}");
 	    if let Some(user_info) = user.as_ref() {
 		user.set(Some(UserInfo {
@@ -94,7 +95,7 @@ pub struct Props {
 }
 
 async fn initialize_user_info() -> Result<Option<UserInfo>, anyhow::Error> {
-    let response = Request::get("/api/user/info").send().await?;
+    let response = Request::get("/api/user/info").send().await.context("fetching user_info")?;
     if response.status() == 401 {
         web_sys::window()
             .unwrap()
@@ -102,8 +103,7 @@ async fn initialize_user_info() -> Result<Option<UserInfo>, anyhow::Error> {
             .assign("/api/login")
             .unwrap();
     };
-    let user_info = response.json().await?;
-    Ok(user_info)
+    Ok(ok_json(response).await.context("requesting user_info")?)
 }
 
 pub fn use_app_context() -> AppContext {
diff --git a/webapp/src/components/table.rs b/webapp/src/components/table.rs
index c4f693e..a874a93 100644
--- a/webapp/src/components/table.rs
+++ b/webapp/src/components/table.rs
@@ -4,6 +4,8 @@ use protocol::bridge_engine::GameStatePlayerView;
 use yew::prelude::*;
 use crate::use_app_context;
 use crate::components::Hand;
+use crate::utils::ok_json;
+use anyhow::Context;
 
 #[function_component(OnlineTable)]
 pub fn online_table(props: &OnlineTableProps) -> Html {
@@ -20,9 +22,8 @@ pub fn online_table(props: &OnlineTableProps) -> Html {
                 ctx.spawn_async(async move {
                     let response = Request::get(&format!("/api/table/{}", props.table.id))
                         .send()
-                        .await?;
-                    // info!("Got response: {:#?}", response.body());
-                    let table = response.json().await?;
+                        .await.context("fetching table data")?;
+                    let table = ok_json(response).await?;
                     table_state.set(Some(table));
                     Ok(())
                 });
diff --git a/webapp/src/main.rs b/webapp/src/main.rs
index 72d0d29..f99dfe0 100644
--- a/webapp/src/main.rs
+++ b/webapp/src/main.rs
@@ -3,6 +3,7 @@ use log::{debug, error, info, warn};
 use yew::prelude::*;
 use yew_router::prelude::*;
 pub mod components;
+pub mod utils;
 use components::{AppContextProvider, ErrorInfo, Game, OnlineTable};
 extern crate wee_alloc;
 pub mod routing;
diff --git a/webapp/src/utils.rs b/webapp/src/utils.rs
new file mode 100644
index 0000000..1eadf2f
--- /dev/null
+++ b/webapp/src/utils.rs
@@ -0,0 +1,10 @@
+use gloo_net::http::Response;
+use serde::de::DeserializeOwned;
+
+pub async fn ok_json<T>(response: Response) -> Result<T, anyhow::Error>
+where T: DeserializeOwned {
+    if !response.ok() {
+        anyhow::bail!("Request failed: {} {}", response.status(), response.status_text());
+    }
+    Ok(response.json().await?)
+}