Add graphiql handler (#11)

Author: abbiemery

src/handlers/graphql.rs

@@ -1,6 +1,8 @@
+use async_graphql::http::GraphiQLSource;
 use async_graphql::*;
 use async_graphql_axum::{GraphQLRequest, GraphQLResponse};
 use axum::Extension;
+use axum::response::{Html, IntoResponse};
 
 use crate::clients::Client;
 use crate::schemas::TiledQuery;
@@ -14,6 +16,10 @@ pub async fn graphql_handler<T: Client + Send + Sync + 'static>(
     schema.execute(query).await.into()
 }
 
+pub async fn graphiql_handler() -> impl IntoResponse {
+    Html(GraphiQLSource::build().endpoint("/graphql").finish())
+}
+
 #[cfg(test)]
 mod tests {
     use async_graphql::{EmptyMutation, EmptySubscription, Schema};

src/main.rs

@@ -1,7 +1,7 @@
 use std::error;
 
 use async_graphql::{EmptyMutation, EmptySubscription, Schema};
-use axum::routing::post;
+use axum::routing::{get, post};
 use axum::{Extension, Router};
 
 mod cli;
@@ -14,7 +14,7 @@ use cli::{Cli, Commands};
 
 use crate::clients::tiled_client::TiledClient;
 use crate::config::GlazedConfig;
-use crate::handlers::graphql::graphql_handler;
+use crate::handlers::graphql::{graphiql_handler, graphql_handler};
 use crate::schemas::TiledQuery;
 
 #[tokio::main]
@@ -42,6 +42,7 @@ async fn serve(config: GlazedConfig) -> Result<(), Box<dyn error::Error>> {
 
     let app = Router::new()
         .route("/graphql", post(graphql_handler::<TiledClient>))
+        .route("/graphiql", get(graphiql_handler))
         .layer(Extension(schema));
 
     let listener = tokio::net::TcpListener::bind(config.bind_address).await?;