Add support for api/ folder (#129)

* feat: detect api/ folder from tuono CLI * feat: prevent adding the API in the data endpoints list * feat: create basic API handler proc macro * feat: parse api/ and build .tuono/main.rs file * chore: remove unused cargo dependencies * refactor: tuono base health_check * fix: remove failing test * feat: update version to v0.14.0
2026-07-29 13:52:46 -07:00 · 2024-11-21 19:02:11 +01:00
parent 3a4e7398c6
commit 087813fab9
16 changed files with 245 additions and 73 deletions
@@ -0,0 +1,69 @@
+use crate::utils::{
+    crate_application_state_extractor, create_struct_fn_arg, import_main_application_state,
+    params_argument, request_argument,
+};
+use proc_macro::{Span, TokenStream};
+use quote::quote;
+use syn::punctuated::Punctuated;
+use syn::token::Comma;
+use syn::{parse_macro_input, FnArg, Ident, ItemFn, Pat};
+
+pub fn api_core(attrs: TokenStream, item: TokenStream) -> TokenStream {
+    let item = parse_macro_input!(item as ItemFn);
+    let http_method = parse_macro_input!(attrs as Ident)
+        .to_string()
+        .to_lowercase();
+
+    let api_fn_name = Ident::new(
+        &format!("{}__tuono_internal_api", http_method),
+        Span::call_site().into(),
+    );
+
+    let fn_name = &item.sig.ident;
+    let return_type = &item.sig.output;
+
+    let mut argument_names: Punctuated<Pat, Comma> = Punctuated::new();
+    let mut axum_arguments: Punctuated<FnArg, Comma> = Punctuated::new();
+
+    // Fn Arguments minus the first which always is the request
+    for (i, arg) in item.sig.inputs.iter().enumerate() {
+        if i == 0 {
+            axum_arguments.insert(i, params_argument());
+            continue;
+        }
+
+        if i == 1 {
+            axum_arguments.insert(1, create_struct_fn_arg())
+        }
+
+        if let FnArg::Typed(pat_type) = arg {
+            let index = i - 1;
+            let argument_name = *pat_type.pat.clone();
+            argument_names.insert(index, argument_name.clone());
+        }
+    }
+
+    axum_arguments.insert(axum_arguments.len(), request_argument());
+
+    let application_state_extractor = crate_application_state_extractor(argument_names.clone());
+    let application_state_import = import_main_application_state(argument_names.clone());
+
+    quote! {
+        #application_state_import
+
+        #item
+
+        pub async fn #api_fn_name(#axum_arguments)#return_type {
+
+            #application_state_extractor
+
+           let pathname = request.uri();
+           let headers = request.headers();
+
+           let req = tuono_lib::Request::new(pathname.to_owned(), headers.to_owned(), params);
+
+           #fn_name(req.clone(), #argument_names).await
+        }
+    }
+    .into()
+}