Cleanup of comment creation (#42)

Refactor of comment creation code

cmd/approve.go

@@ -3,21 +3,9 @@ package main
 import (
 	"encoding/json"
 	"errors"
-	"fmt"
 	"net/http"
 )
 
-func (c *Client) Approve() (string, int, error) {
-
-	_, res, err := c.git.MergeRequestApprovals.ApproveMergeRequest(c.projectId, c.mergeId, nil, nil)
-
-	if err != nil {
-		return "", res.Response.StatusCode, fmt.Errorf("Approving MR failed: %w", err)
-	}
-
-	return "Success! Approved MR.", http.StatusOK, nil
-}
-
 func ApproveHandler(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
 	c := r.Context().Value("client").(Client)
@@ -26,7 +14,8 @@ func ApproveHandler(w http.ResponseWriter, r *http.Request) {
 		c.handleError(w, errors.New("Invalid request type"), "That request type is not allowed", http.StatusMethodNotAllowed)
 		return
 	}
-	msg, status, err := c.Approve()
+
+	_, res, err := c.git.MergeRequestApprovals.ApproveMergeRequest(c.projectId, c.mergeId, nil, nil)
 
 	if err != nil {
 		c.handleError(w, err, "Could not approve MR", http.StatusBadRequest)
@@ -34,9 +23,9 @@ func ApproveHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	/* TODO: Check for non-200 status codes */
-	w.WriteHeader(status)
+	w.WriteHeader(res.StatusCode)
 	response := SuccessResponse{
-		Message: msg,
+		Message: "Success! Approved MR.",
 		Status:  http.StatusOK,
 	}