create encode processors for http request/response

internal/processing/http-request-create.go

@@ -0,0 +1,79 @@
+package processing
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"net/http"
+	"text/template"
+)
+
+type HTTPRequestCreate struct {
+	config ProcessorConfig
+	Method string
+	URL    *template.Template
+}
+
+func (hre *HTTPRequestCreate) Process(ctx context.Context, payload any) (any, error) {
+
+	var urlBuffer bytes.Buffer
+	err := hre.URL.Execute(&urlBuffer, payload)
+
+	if err != nil {
+		return nil, err
+	}
+
+	urlString := urlBuffer.String()
+
+	request, err := http.NewRequest(hre.Method, urlString, bytes.NewBuffer([]byte{}))
+
+	if err != nil {
+		return nil, err
+	}
+
+	return request, nil
+}
+
+func (hre *HTTPRequestCreate) Type() string {
+	return hre.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "http.request.create",
+		New: func(config ProcessorConfig) (Processor, error) {
+			params := config.Params
+
+			method, ok := params["method"]
+
+			if !ok {
+				return nil, fmt.Errorf("http.request.create requires an method parameter")
+			}
+
+			methodString, ok := method.(string)
+
+			if !ok {
+				return nil, fmt.Errorf("http.request.create url must be a string")
+			}
+
+			url, ok := params["url"]
+
+			if !ok {
+				return nil, fmt.Errorf("http.request.create requires an url parameter")
+			}
+
+			urlString, ok := url.(string)
+
+			if !ok {
+				return nil, fmt.Errorf("http.request.create url must be a string")
+			}
+
+			urlTemplate, err := template.New("url").Parse(urlString)
+
+			if err != nil {
+				return nil, err
+			}
+			return &HTTPRequestCreate{config: config, URL: urlTemplate, Method: methodString}, nil
+		},
+	})
+}

internal/processing/http-response-encode.go

@@ -0,0 +1,41 @@
+package processing
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+type HTTPResponseEncode struct {
+	config ProcessorConfig
+}
+
+func (hre *HTTPResponseEncode) Process(ctx context.Context, payload any) (any, error) {
+	payloadResponse, ok := payload.(*http.Response)
+	defer payloadResponse.Body.Close()
+
+	if !ok {
+		return nil, fmt.Errorf("http.response.encode processor only accepts an http.Response")
+	}
+
+	bytes, err := io.ReadAll(payloadResponse.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	return bytes, nil
+}
+
+func (hre *HTTPResponseEncode) Type() string {
+	return hre.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "http.response.encode",
+		New: func(config ProcessorConfig) (Processor, error) {
+			return &HTTPResponseEncode{config: config}, nil
+		},
+	})
+}