FetcherRequest

lib/fetcher.go

@@ -1,7 +1,9 @@
 package lib
 
 import (
+	"bytes"
 	"encoding/json"
+	"io"
 	"net/http"
 )
 
@@ -16,7 +18,33 @@ type Fetcher interface {
 	Fetch() []Entry
 }
 
-func getJSON(req *http.Request, target interface{}) error {
+// FetcherRequest represents a common HTTP request configuration.
+type FetcherRequest struct {
+	BaseURL string
+	Path    string
+	Method  string
+	Headers map[string]string
+	Body    []byte
+}
+
+// Run executes the HTTP request and decodes the JSON response into target.
+func (r FetcherRequest) Run(target interface{}) error {
+	url := r.BaseURL + r.Path
+
+	var body io.Reader
+	if r.Body != nil {
+		body = bytes.NewBuffer(r.Body)
+	}
+
+	req, err := http.NewRequest(r.Method, url, body)
+	if err != nil {
+		return err
+	}
+
+	for key, value := range r.Headers {
+		req.Header.Set(key, value)
+	}
+
 	res, err := http.DefaultClient.Do(req)
 	if err != nil {
 		return err