Change to HTTP Model (#5)

cmd/info.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
@@ -10,13 +11,13 @@ import (
 
 const mrUrl = "https://gitlab.com/api/v4/projects/%s/merge_requests/%d"
 
-func (c *Client) Info() error {
+func (c *Client) Info() ([]byte, error) {
 
 	url := fmt.Sprintf(mrUrl, c.projectId, c.mergeId)
 	req, err := http.NewRequest(http.MethodGet, url, nil)
 
 	if err != nil {
-		return fmt.Errorf("Failed to build read request: %w", err)
+		return nil, fmt.Errorf("Failed to build read request: %w", err)
 	}
 
 	req.Header.Set("PRIVATE-TOKEN", os.Getenv("GITLAB_TOKEN"))
@@ -25,22 +26,42 @@ func (c *Client) Info() error {
 	res, err := http.DefaultClient.Do(req)
 
 	if err != nil {
-		return fmt.Errorf("Failed to make info request: %w", err)
+		return nil, fmt.Errorf("Failed to make info request: %w", err)
 	}
 
 	defer res.Body.Close()
 
 	if res.StatusCode < 200 || res.StatusCode >= 300 {
-		return errors.New(fmt.Sprintf("Recieved non-200 response: %d", res.StatusCode))
+		return nil, errors.New(fmt.Sprintf("Recieved non-200 response: %d", res.StatusCode))
 	}
 
 	body, err := io.ReadAll(res.Body)
 	if err != nil {
-		return fmt.Errorf("Failed to parse read response: %w", err)
+		return nil, fmt.Errorf("Failed to parse read response: %w", err)
 	}
 
 	/* This response is parsed into a table in our Lua code */
-	fmt.Println(string(body))
+	return body, nil
 
-	return nil
+}
+
+func InfoHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		w.WriteHeader(http.StatusMethodNotAllowed)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	client := r.Context().Value("client").(Client)
+	msg, err := client.Info()
+	if err != nil {
+		errResp := map[string]string{"message": err.Error()}
+		response, _ := json.Marshal(errResp)
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write(response)
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+	w.Write(msg)
 }