feat: added http request/response create functions

Author: raphael-goetz

src/implementation/http.rs

@@ -0,0 +1,83 @@
+use tucana::shared::{Struct, Value};
+use tucana::shared::value::Kind;
+use crate::context::Context;
+use crate::error::RuntimeError;
+use crate::registry::HandlerFn;
+
+pub fn collect_http_functions() -> Vec<(&'static str, HandlerFn)> {
+    vec![
+        ("http::request::create", create_request),
+        ("http::response::create", create_response),
+    ]
+}
+
+fn create_request(values: &[Value], _ctx: &mut Context) -> Result<Value, RuntimeError> {
+    let [Value {
+        kind: Some(Kind::StringValue(http_method)),
+    },
+    Value {
+        kind: Some(Kind::StructValue(headers)),
+    },
+    Value {
+        kind: Some(Kind::StringValue(http_url)),
+    },
+    payload
+    ] = values
+    else {
+        return Err(RuntimeError::simple(
+            "InvalidArgumentRuntimeError",
+            format!("Expected [method, headers, url, payload] but received {:?}", values),
+        ));
+    };
+
+    let mut fields = std::collections::HashMap::new();
+
+    fields.insert("method".to_string(), Value {
+        kind: Some(Kind::StringValue(http_method.clone())),
+    });
+
+    fields.insert("url".to_string(), Value {
+        kind: Some(Kind::StringValue(http_url.clone())),
+    });
+
+    fields.insert("headers".to_string(),Value {
+        kind: Some(Kind::StructValue(headers.clone())),
+    });
+    fields.insert("body".to_string(), payload.clone());
+
+    Ok(Value {
+        kind: Some(Kind::StructValue(Struct { fields })),
+    })
+}
+
+fn create_response(values: &[Value], _ctx: &mut Context) -> Result<Value, RuntimeError> {
+    let [Value {
+        kind: Some(Kind::NumberValue(http_status_code)),
+    },
+    Value {
+        kind: Some(Kind::StructValue(headers)),
+    },
+    payload
+    ] = values
+    else {
+        return Err(RuntimeError::simple(
+            "InvalidArgumentRuntimeError",
+            format!("Expected [http_status_code, headers, payload] but received {:?}", values),
+        ));
+    };
+
+    let mut fields = std::collections::HashMap::new();
+
+    fields.insert("method".to_string(), Value {
+        kind: Some(Kind::NumberValue(http_status_code.clone())),
+    });
+
+    fields.insert("headers".to_string(),Value {
+        kind: Some(Kind::StructValue(headers.clone())),
+    });
+    fields.insert("body".to_string(), payload.clone());
+
+    Ok(Value {
+        kind: Some(Kind::StructValue(Struct { fields })),
+    })
+}

src/implementation/mod.rs

@@ -1,11 +1,12 @@
 use crate::registry::HandlerFn;
 
-pub mod array;
-pub mod boolean;
+mod array;
+mod boolean;
 mod control;
-pub mod number;
-pub mod object;
-pub mod text;
+mod number;
+mod object;
+mod text;
+mod http;
 
 pub fn collect() -> Vec<(&'static str, HandlerFn)> {
     let mut result = vec![];
@@ -16,6 +17,7 @@ pub fn collect() -> Vec<(&'static str, HandlerFn)> {
     result.extend(text::collect_text_functions());
     result.extend(object::collect_object_functions());
     result.extend(control::collect_control_functions());
+    result.extend(http::collect_http_functions());
 
     result
 }