feat: add error endpoint

Author: TristanSpeakEasy

cmd/server/main.go

@@ -4,6 +4,7 @@ import (
 	"log"
 	"net/http"
 
+	"github.com/speakeasy-api/speakeasy-api-test-service/internal/errors"
 	"github.com/speakeasy-api/speakeasy-api-test-service/internal/pagination"
 	"github.com/speakeasy-api/speakeasy-api-test-service/internal/responseHeaders"
 	"github.com/speakeasy-api/speakeasy-api-test-service/internal/retries"
@@ -25,6 +26,7 @@ func main() {
 	r.HandleFunc("/pagination/limitoffset/offset", pagination.HandleLimitOffsetOffset).Methods(http.MethodGet, http.MethodPut)
 	r.HandleFunc("/pagination/cursor", pagination.HandleCursor).Methods(http.MethodGet, http.MethodPut)
 	r.HandleFunc("/retries", retries.HandleRetries).Methods(http.MethodGet)
+	r.HandleFunc("/errors/{status_code}", errors.HandleErrors).Methods(http.MethodGet)
 
 	log.Println("Listening on :8080")
 	if err := http.ListenAndServe(":8080", r); err != nil {

internal/errors/service.go

@@ -0,0 +1,38 @@
+package errors
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strconv"
+
+	"github.com/gorilla/mux"
+	"github.com/speakeasy-api/speakeasy-api-test-service/internal/utils"
+
+	"github.com/speakeasy-api/speakeasy-api-test-service/pkg/models"
+)
+
+func HandleErrors(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	statusCode, ok := vars["status_code"]
+	if !ok {
+		utils.HandleError(w, fmt.Errorf("status_code is required"))
+		return
+	}
+
+	statusCodeInt, err := strconv.Atoi(statusCode)
+	if err != nil {
+		utils.HandleError(w, fmt.Errorf("status_code must be an integer"))
+		return
+	}
+
+	w.WriteHeader(statusCodeInt)
+
+	if err := json.NewEncoder(w).Encode(models.Error{
+		Code:    statusCode,
+		Message: "an error occurred",
+	}); err != nil {
+		utils.HandleError(w, err)
+		return
+	}
+}

internal/utils/utils.go

@@ -15,7 +15,7 @@ func HandleError(w http.ResponseWriter, err error) {
 	log.Println(err)
 
 	data, marshalErr := json.Marshal(models.ErrorResponse{
-		Error: models.ErrorMessage{
+		Error: models.Error{
 			Message: err.Error(),
 		},
 	})

pkg/models/models.go

@@ -1,11 +1,12 @@
 package models
 
-type ErrorMessage struct {
+type Error struct {
 	Message string `json:"message"`
+	Code    string `json:"code"`
 }
 
 type ErrorResponse struct {
-	Error ErrorMessage `json:"error"`
+	Error Error `json:"error"`
 }
 
 type HeaderAuth struct {