Extract send impl

This commit is contained in:
Joel Wachsler 2022-07-14 22:45:57 +00:00
parent a24e4c5d8d
commit 464c9b099d

View File

@ -1,6 +1,7 @@
use std::rc::Rc;
use case::CaseExt;
use proc_macro2::TokenStream;
use quote::quote;
use crate::{
@ -17,56 +18,38 @@ pub fn create_method_with_params(
params: &parser::ApiParameters,
method_name: &proc_macro2::Ident,
url: &str,
) -> (proc_macro2::TokenStream, Option<proc_macro2::TokenStream>) {
) -> (TokenStream, Option<TokenStream>) {
let param_type = util::to_ident(&format!(
"{}{}Parameters",
group.name.to_camel(),
method.name.to_camel()
));
let rc_params = Rc::new(params);
let parameters = Parameters::new(params);
let mandatory_params = MandatoryParams::new(&rc_params);
let optional_params = OptionalParams::new(&rc_params);
let mandatory_param_args = mandatory_params.generate_params();
let mandatory_param_args = parameters.mandatory.generate_params();
let group_name = util::to_ident(&group.name.to_camel());
let send_builder =
SendMethodBuilder::new(&util::to_ident("send"), url, quote! { self.group.auth })
.with_form();
let generate_send_impl = |send_method: proc_macro2::TokenStream| {
let optional_params = optional_params.generate_params();
let mandatory_param_form_build = mandatory_params.param_builder();
quote! {
impl<'a> #param_type<'a> {
fn new(group: &'a #group_name, #(#mandatory_param_args),*) -> Self {
let form = reqwest::multipart::Form::new();
#(#mandatory_param_form_build)*
Self { group, form }
}
#(#optional_params)*
#send_method
}
}
};
let send_impl_generator = SendImplGenerator::new(&group_name, &parameters, &param_type);
let send = match create_return_type(group, method) {
Some((return_type_name, return_type)) => {
let send_impl = generate_send_impl(send_builder.return_type(&return_type_name).build());
let send_impl =
send_impl_generator.generate(send_builder.return_type(&return_type_name));
quote! {
#send_impl
#return_type
}
}
None => generate_send_impl(send_builder.build()),
None => send_impl_generator.generate(send_builder),
};
let mandatory_param_names = mandatory_params.names();
let mandatory_param_names = parameters.mandatory.names();
let builder = util::add_docs(
&method.description,
@ -89,6 +72,71 @@ pub fn create_method_with_params(
(builder, Some(group_impl))
}
#[derive(Debug)]
struct SendImplGenerator<'a> {
group_name: &'a proc_macro2::Ident,
parameters: &'a Parameters<'a>,
param_type: &'a proc_macro2::Ident,
}
impl<'a> SendImplGenerator<'a> {
fn new(
group_name: &'a proc_macro2::Ident,
parameters: &'a Parameters<'a>,
param_type: &'a proc_macro2::Ident,
) -> Self {
Self {
group_name,
parameters,
param_type,
}
}
fn generate(&self, send_method_builder: SendMethodBuilder) -> TokenStream {
let parameters = self.parameters;
let optional_builder_methods = parameters.optional.generate_builder_methods();
let mandatory_param_form_build = parameters.mandatory.form_builder();
let mandatory_param_args = parameters.mandatory.generate_params();
let param_type = self.param_type;
let group_name = self.group_name;
let send_method = send_method_builder.build();
quote! {
impl<'a> #param_type<'a> {
fn new(group: &'a #group_name, #(#mandatory_param_args),*) -> Self {
let form = reqwest::multipart::Form::new();
#(#mandatory_param_form_build)*
Self { group, form }
}
#(#optional_builder_methods)*
#send_method
}
}
}
}
#[derive(Debug)]
struct Parameters<'a> {
mandatory: MandatoryParams<'a>,
optional: OptionalParams<'a>,
}
impl<'a> Parameters<'a> {
fn new(api_parameters: &'a ApiParameters) -> Self {
let rc_params = Rc::new(api_parameters);
let mandatory = MandatoryParams::new(&rc_params);
let optional = OptionalParams::new(&rc_params);
Self {
mandatory,
optional,
}
}
}
#[derive(Debug)]
struct MandatoryParams<'a> {
params: &'a ApiParameters,
@ -99,7 +147,7 @@ impl<'a> MandatoryParams<'a> {
Self { params }
}
fn generate_params(&self) -> Vec<proc_macro2::TokenStream> {
fn generate_params(&self) -> Vec<TokenStream> {
self.params
.mandatory
.iter()
@ -107,7 +155,7 @@ impl<'a> MandatoryParams<'a> {
.collect()
}
fn param_builder(&self) -> Vec<proc_macro2::TokenStream> {
fn form_builder(&self) -> Vec<TokenStream> {
self.params
.mandatory
.iter()
@ -120,7 +168,7 @@ impl<'a> MandatoryParams<'a> {
.collect()
}
fn names(&self) -> Vec<proc_macro2::TokenStream> {
fn names(&self) -> Vec<TokenStream> {
self.params
.mandatory
.iter()
@ -140,29 +188,32 @@ impl<'a> OptionalParams<'a> {
Self { params }
}
fn generate_params(&self) -> Vec<proc_macro2::TokenStream> {
fn generate_builder_methods(&self) -> Vec<TokenStream> {
self.params
.optional
.iter()
.map(Self::generate_param)
.map(Self::generate_builder_method)
.collect()
}
fn generate_param(param: &types::Type) -> proc_macro2::TokenStream {
let n = &param.get_type_info().name;
let name = util::to_ident(&n.to_snake());
let t = util::to_ident(&param.to_borrowed_type());
fn generate_builder_method(param: &types::Type) -> TokenStream {
let parameter = param.to_parameter();
let name = parameter.name();
let name_ident = parameter.name_ident();
let param_type = util::to_ident(&param.to_borrowed_type());
let builder_param = if param.should_borrow() {
quote! { &#t }
quote! { &#param_type }
} else {
quote! { #t }
quote! { #param_type }
};
util::add_docs(
&param.get_type_info().description,
quote! {
pub fn #name(mut self, value: #builder_param) -> Self {
self.form = self.form.text(#n, value.to_string());
pub fn #name_ident(mut self, value: #builder_param) -> Self {
self.form = self.form.text(#name, value.to_string());
self
}
},
@ -188,7 +239,7 @@ impl<'a> Parameter<'a> {
util::to_ident(&self.name())
}
fn generate_param_with_name(&self) -> proc_macro2::TokenStream {
fn generate_param_with_name(&self) -> TokenStream {
let t = util::to_ident(&self.p_type.to_borrowed_type());
let name_ident = self.name_ident();