Get the HTTP POST working on wasm too

abstio/Cargo.toml

@@ -11,12 +11,12 @@ bincode = "1.3.1"
 instant = "0.1.7"
 lazy_static = "1.4.0"
 log = "0.4.14"
+reqwest = { version = "0.11.0", default-features=false, features=["rustls-tls"] }
 serde = "1.0.123"
 serde_json = "1.0.61"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 futures-channel = { version = "0.3.12"}
-reqwest = { version = "0.11.0", default-features=false, features=["rustls-tls"] }
 tokio = "1.1.1"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]

abstio/src/http_post.rs

@@ -0,0 +1,15 @@
+use anyhow::Result;
+
+/// Performs an HTTP POST request and returns the respone.
+pub async fn http_post<I: AsRef<str>>(url: I, body: String) -> Result<String> {
+    let url = url.as_ref();
+    info!("HTTP POST to {}", url);
+    let resp = reqwest::Client::new()
+        .post(url)
+        .body(body)
+        .send()
+        .await?
+        .text()
+        .await?;
+    Ok(resp)
+}

abstio/src/lib.rs

@@ -25,9 +25,11 @@ pub use download::*;
 
 pub use abst_data::*;
 pub use abst_paths::*;
+pub use http_post::*;
 
 mod abst_data;
 mod abst_paths;
+mod http_post;
 mod io;
 
 /// An adapter for widgetry::Settings::read_svg to read SVGs using this crate's methods for finding

game/src/ungap/mod.rs

@@ -410,16 +410,14 @@ fn make_legend(ctx: &mut EventCtx, app: &App, elevation: bool, nearby: bool) ->
 
 fn share_proposal(ctx: &mut EventCtx, app: &App) -> Box<dyn State<App>> {
     let (_, outer_progress_rx) = futures_channel::mpsc::channel(1);
-    let (mut inner_progress_tx, inner_progress_rx) = futures_channel::mpsc::channel(1);
+    let (_, inner_progress_rx) = futures_channel::mpsc::channel(1);
     let edits_json =
         abstutil::to_json_terse(&app.primary.map.get_edits().to_permanent(&app.primary.map));
-    let url = "http://localhost:8080/create";
+    let url = "http://localhost:8080/v1/create";
     FutureLoader::<App, String>::new_state(
         ctx,
         Box::pin(async move {
-            let raw_bytes =
-                abstio::download_bytes(url, Some(edits_json), &mut inner_progress_tx).await?;
-            let uuid = String::from_utf8(raw_bytes)?;
+            let uuid = abstio::http_post(url, edits_json).await?;
             // TODO I'm so lost in this type magic
             let wrapper: Box<dyn Send + FnOnce(&App) -> String> = Box::new(move |_| uuid);
             Ok(wrapper)