Add sliceutils.ContainsFunc

Builder offers option to add extra fields to log messages

http/chain.go

@@ -1,4 +1,4 @@
-package http
+package webutils
 
 import (
 	"net/http"

http/context.go

@@ -1,4 +1,4 @@
-package http
+package webutils
 
 import (
 	"context"

http/httpErr.go

@@ -1,4 +1,4 @@
-package http
+package webutils
 
 import (
 	"encoding/json"

http/json.go

@@ -0,0 +1,17 @@
+package webutils
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+func SendJson(w http.ResponseWriter, data any) error {
+	encoded, err := json.Marshal(data)
+	if err != nil {
+		return err
+	}
+	w.Header().Add("Content-Type", "application/json")
+	fmt.Fprint(w, string(encoded))
+	return nil
+}

http/zerolog.go

@@ -1,4 +1,4 @@
-package http
+package webutils
 
 import (
 	"net/http"
@@ -9,6 +9,33 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
+func BuildLoggingMiddleware(extras map[string]string) HandlerBuilder {
+	return func(h http.Handler) http.Handler {
+		return ChainMiddlewares(h,
+			hlog.NewHandler(log.Logger),
+			hlog.AccessHandler(func(r *http.Request, status, size int, duration time.Duration) {
+				if strings.HasPrefix(r.URL.Path, "/assets") {
+					return
+				}
+				logger := hlog.FromRequest(r).Info().
+					Str("method", r.Method).
+					Stringer("url", r.URL).
+					Int("status", status).
+					Int("size", size).
+					Dur("duration", duration)
+				for k, v := range extras {
+					logger = logger.Str(k, v)
+				}
+				logger.Send()
+			}),
+			hlog.RemoteAddrHandler("ip"),
+			hlog.UserAgentHandler("user_agent"),
+			hlog.RefererHandler("referer"),
+			hlog.RequestIDHandler("req_id", "Request-Id"),
+		)
+	}
+}
+
 func LoggingMiddleware(handler http.Handler) http.Handler {
 	return ChainMiddlewares(handler,
 		hlog.NewHandler(log.Logger),

math/math.go

@@ -0,0 +1,13 @@
+package mathutils
+
+type SignedNumber interface {
+	~int | ~int8 | ~int16 | ~int32 | ~int64 | ~float32 | ~float64
+}
+
+func Abs[T SignedNumber](num T) T {
+	if num > 0 {
+		return num
+	} else {
+		return num * -1
+	}
+}

sliceutils/sliceUtils.go

@@ -81,6 +81,15 @@ func Contains[T comparable](a []T, b T) bool {
 	return false
 }
 
+func ContainsFunc[T any](a []T, f func(t T) bool) bool {
+	for _, v := range a {
+		if f(v) {
+			return true
+		}
+	}
+	return false
+}
+
 func Compact[T any](a []T, compactor func(acc T, next T) T) T {
 	var acc T
 	for _, v := range a {