fix: remove the custom stacktraces from the example

To avoid exposing the "internal" part of the stacktraces and to keep
the example simpler, we'll just use the default %+v format output.

examples/api/README.md

@@ -22,18 +22,22 @@ curl http://localhost:3333/users/123 # will return a user in JSON
 Running each curl should produce the following logs
 ```
 2023/09/09 11:05:06 ERROR 
-        db error: connection lost
-                examples/api/main.go:53
-        Could not get user
-                examples/api/main.go:54
+db error: connection lost
+	examples/api/main.go:53
+Could not get user
+	examples/api/main.go:54
+<ftag>
+	examples/api/main.go:54
  http_method=GET user_id=999 request_id=It73FDo3WC-000005 request_path=/users/999 remote_ip=127.0.0.1:52246 protocol=HTTP/1.1 error="Could not get user: db error: connection lost"
 2023/09/09 11:05:06 INFO API Request request_id=It73FDo3WC-000005 request_path=/users/999 remote_ip=127.0.0.1:52246 protocol=HTTP/1.1 http_method=GET status=500 latency=96.25µs
 
 2023/09/09 11:05:25 ERROR 
-        db error: user id[321] not found
-                examples/api/main.go:62
-        User not found
-                examples/api/main.go:63
+db error: user id[321] not found
+    examples/api/main.go:62
+User not found
+    examples/api/main.go:63
+<ftag>
+    examples/api/main.go:63
  http_method=GET user_id=321 request_path=/users/321 remote_ip=127.0.0.1:52246 request_id=It73FDo3WC-000006 protocol=HTTP/1.1 error="User not found: db error: user id[321] not found"
 2023/09/09 11:05:25 INFO API Request protocol=HTTP/1.1 http_method=GET request_path=/users/321 remote_ip=127.0.0.1:52246 request_id=It73FDo3WC-000006 status=404 latency=65.306µs
 

examples/api/http/http.go

@@ -3,15 +3,13 @@ package http
 import (
 	"context"
 	"fmt"
-	"github.com/Southclaws/fault"
 	"github.com/Southclaws/fault/fctx"
 	"github.com/Southclaws/fault/fmsg"
 	"github.com/Southclaws/fault/ftag"
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/chi/v5/middleware"
 	"log/slog"
 	"net/http"
-	"strings"
 	"time"
 )
 
@@ -70,27 +68,6 @@ func LoggerRequest(logger *slog.Logger) func(next http.Handler) http.Handler {
 
 }
 
-func isInternalString(s string) bool {
-	return strings.HasPrefix(s, "<") && strings.HasSuffix(s, ">")
-}
-
-func toStackTrace(err error) string {
-	var sb strings.Builder
-	u := fault.Flatten(err)
-	for _, v := range u {
-		if isInternalString(v.Message) {
-			continue
-		}
-		if v.Message != "" {
-			sb.WriteString(fmt.Sprintf("\t%s\n", v.Message))
-		}
-		if v.Location != "" {
-			sb.WriteString(fmt.Sprintf("\t\t%s\n", v.Location))
-		}
-	}
-	return sb.String()
-}
-
 func RespondWithError(
 	logger *slog.Logger,
 	err error,
@@ -100,7 +77,7 @@ func RespondWithError(
 	tag := ftag.Get(err)
 
 	attrs := fctxToSlog(r.Context())
-	errStr := toStackTrace(err)
+	errStr := fmt.Sprintf("%+v", err)
 	attrs = append(attrs, slog.String("error", err.Error()))
 	logger.Error("\n"+errStr, attrs...)
 

examples/api/main.go

@@ -81,5 +81,6 @@ func main() {
 		r.Get("/", GetUser)
 	})
 
+	fmt.Printf("Listening on :3333 ...\n")
 	http.ListenAndServe(":3333", r)
 }