Improve api of module cloudevents-sdk-reqwest (#57)

* wip improve_api

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improved cloudevent-sdk-reqwest api

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improve_api finalise#1

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improve_api(reqwest) finalise#2

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improve_api(reqwest) finalise#2

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improve_api(reqwest) finalise#2

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improve_api(reqwest) finalise#3

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improve_api(reqwest) finalise#4

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* issue with example

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* tested api calls within rust

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* tested api calls within rust#2

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

* improve_api reqwest finalise

Signed-off-by: Pranav Bhatt <adpranavb2000@gmail.com>

cloudevents-sdk-reqwest/Cargo.toml

@@ -12,6 +12,7 @@ readme = "README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+async-trait = "^0.1.33"
 cloudevents-sdk = { version = "0.1.0", path = ".." }
 lazy_static = "1.4.0"
 bytes = "^0.5"

cloudevents-sdk-reqwest/src/client_request.rs

@@ -67,6 +67,17 @@ pub fn event_to_request(event: Event, request_builder: RequestBuilder) -> Result
     BinaryDeserializer::deserialize_binary(event, RequestSerializer::new(request_builder))
 }
 
+/// Extention Trait for [`RequestBuilder`] which acts as a wrapper for the function [`event_to_request()`]
+pub trait RequestBuilderExt {
+    fn event(self, event: Event) -> Result<RequestBuilder>;
+}
+
+impl RequestBuilderExt for RequestBuilder {
+    fn event(self, event: Event) -> Result<RequestBuilder> {
+        event_to_request(event, self)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -98,7 +109,10 @@ mod tests {
             .unwrap();
 
         let client = reqwest::Client::new();
-        event_to_request(input, client.post(&url))
+
+        client
+            .post(&url)
+            .event(input)
             .unwrap()
             .send()
             .await
@@ -132,7 +146,10 @@ mod tests {
             .unwrap();
 
         let client = reqwest::Client::new();
-        event_to_request(input, client.post(&url))
+
+        client
+            .post(&url)
+            .event(input)
             .unwrap()
             .send()
             .await

cloudevents-sdk-reqwest/src/client_response.rs

@@ -1,4 +1,5 @@
 use super::headers;
+use async_trait::async_trait;
 use bytes::Bytes;
 use cloudevents::event::SpecVersion;
 use cloudevents::message::{
@@ -107,6 +108,19 @@ pub async fn response_to_event(res: Response) -> Result<Event> {
     MessageDeserializer::into_event(ResponseDeserializer::new(h, b))
 }
 
+/// Extention Trait for [`Response`]which acts as a wrapper for the function [`request_to_event()`]
+#[async_trait(?Send)]
+pub trait ResponseExt {
+    async fn into_event(self) -> Result<Event>;
+}
+
+#[async_trait(?Send)]
+impl ResponseExt for Response {
+    async fn into_event(self) -> Result<Event> {
+        response_to_event(self).await
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -144,10 +158,16 @@ mod tests {
             .unwrap();
 
         let client = reqwest::Client::new();
-        let res = client.get(&url).send().await.unwrap();
+        let res = client
+            .get(&url)
+            .send()
+            .await
+            .unwrap()
+            .into_event()
+            .await
+            .unwrap();
 
-        let resp = response_to_event(res).await.unwrap();
-        assert_eq!(expected, resp);
+        assert_eq!(expected, res);
     }
 
     #[tokio::test]
@@ -181,10 +201,16 @@ mod tests {
             .unwrap();
 
         let client = reqwest::Client::new();
-        let res = client.get(&url).send().await.unwrap();
+        let res = client
+            .get(&url)
+            .send()
+            .await
+            .unwrap()
+            .into_event()
+            .await
+            .unwrap();
 
-        let resp = response_to_event(res).await.unwrap();
-        assert_eq!(expected, resp);
+        assert_eq!(expected, res);
     }
 
     #[tokio::test]
@@ -215,9 +241,15 @@ mod tests {
             .create();
 
         let client = reqwest::Client::new();
-        let res = client.get(&url).send().await.unwrap();
+        let res = client
+            .get(&url)
+            .send()
+            .await
+            .unwrap()
+            .into_event()
+            .await
+            .unwrap();
 
-        let resp = response_to_event(res).await.unwrap();
-        assert_eq!(expected, resp);
+        assert_eq!(expected, res);
     }
 }

cloudevents-sdk-reqwest/src/lib.rs

@@ -4,6 +4,8 @@ mod client_request;
 mod client_response;
 
 pub use client_request::event_to_request;
+pub use client_request::RequestBuilderExt;
 pub use client_request::RequestSerializer;
 pub use client_response::response_to_event;
 pub use client_response::ResponseDeserializer;
+pub use client_response::ResponseExt;

example-projects/reqwest-wasm-example/src/lib.rs

@@ -1,4 +1,5 @@
 use cloudevents::{EventBuilder, EventBuilderV10};
+use cloudevents_sdk_reqwest::RequestBuilderExt;
 use wasm_bindgen::prelude::*;
 
 #[wasm_bindgen]
@@ -16,7 +17,9 @@ pub async fn run(
 
     println!("Going to send event: {:?}", event);
 
-    cloudevents_sdk_reqwest::event_to_request(event, reqwest::Client::new().post(&target))
+    reqwest::Client::new()
+        .post(&target)
+        .event(event)
         .map_err(|e| e.to_string())?
         .header("Access-Control-Allow-Origin", "*")
         .send()