From 0ce3f3b5eb8c467189e5537bfff65814f91fbb0e Mon Sep 17 00:00:00 2001
From: George Suntres <gsuntres@pm.me>
Date: Thu, 23 Apr 2026 13:17:48 -0400
Subject: [PATCH] Add MapOmit, Context Parse/Serialize

---
 context.go | 26 ++++++++++++++++++++++++++
 go.mod     |  7 -------
 go.sum     |  9 ---------
 struct.go  | 17 +++++++++++++++++
 4 files changed, 43 insertions(+), 16 deletions(-)
 create mode 100644 context.go

diff --git a/context.go b/context.go
new file mode 100644
index 0000000..f2c52ac
--- /dev/null
+++ b/context.go
@@ -0,0 +1,26 @@
+package commons
+
+import "context"
+
+func ContextSerialize(ctx context.Context, fields []string) map[string]any {
+	m := map[string]any{}
+	for _, name := range fields {
+		vAny := ctx.Value(name)
+		v, ok := vAny.(string)
+		if ok {
+			m[name] = v
+		}
+	}
+
+	return m
+}
+
+func ContextFromMap(m map[string]any) context.Context {
+	ctx := context.Background()
+
+	for k, v := range m {
+		ctx = context.WithValue(ctx, k, v)
+	}
+
+	return ctx
+}
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 5b64255..e30f138 100644
--- a/go.mod
+++ b/go.mod
@@ -5,14 +5,7 @@ go 1.25.0
 require (
 	github.com/go-viper/mapstructure/v2 v2.5.0
 	github.com/ianlancetaylor/jsonschema v0.0.0-20251021232724-46ecbf32a0a5
-	github.com/santhosh-tekuri/jsonschema/v5 v5.3.1
 	github.com/sergi/go-diff v1.4.0
-	github.com/xeipuuv/gojsonschema v1.2.0
 	go.mongodb.org/mongo-driver/v2 v2.5.0
 	golang.org/x/text v0.30.0
 )
-
-require (
-	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
-	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
-)
diff --git a/go.sum b/go.sum
index 937cce9..83ce7e4 100644
--- a/go.sum
+++ b/go.sum
@@ -12,20 +12,11 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/santhosh-tekuri/jsonschema/v5 v5.3.1 h1:lZUw3E0/J3roVtGQ+SCrUrg3ON6NgVqpn3+iol9aGu4=
-github.com/santhosh-tekuri/jsonschema/v5 v5.3.1/go.mod h1:uToXkOrWAZ6/Oc07xWQrPOhJotwFIyu2bBVN41fcDUY=
 github.com/sergi/go-diff v1.4.0 h1:n/SP9D5ad1fORl+llWyN+D6qoUETXNZARKjyY2/KVCw=
 github.com/sergi/go-diff v1.4.0/go.mod h1:A0bzQcvG0E7Rwjx0REVgAGH58e96+X0MeOfepqsbeW4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f h1:J9EGpcZtP0E/raorCMxlFGSTBrsSlaDGf3jU/qvAE2c=
-github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
-github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHovont7NscjpAxXsDA8S8BMYve8Y5+7cuRE7R0=
-github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
-github.com/xeipuuv/gojsonschema v1.2.0 h1:LhYJRs+L4fBtjZUfuSZIKGeVu0QRy8e5Xi7D17UxZ74=
-github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
 go.mongodb.org/mongo-driver/v2 v2.5.0 h1:yXUhImUjjAInNcpTcAlPHiT7bIXhshCTL3jVBkF3xaE=
 go.mongodb.org/mongo-driver/v2 v2.5.0/go.mod h1:yOI9kBsufol30iFsl1slpdq1I0eHPzybRWdyYUs8K/0=
 golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
diff --git a/struct.go b/struct.go
index 557cd26..5e1c148 100644
--- a/struct.go
+++ b/struct.go
@@ -43,6 +43,23 @@ func StructHasProperty(value interface{}, name string) bool {
 	return has
 }
 
+func MapOmit[K comparable, V any](m map[K]V, keys ...K) map[K]V {
+	out := make(map[K]V, len(m))
+
+	omit := make(map[K]struct{}, len(keys))
+	for _, k := range keys {
+		omit[k] = struct{}{}
+	}
+
+	for k, v := range m {
+		if _, ok := omit[k]; !ok {
+			out[k] = v
+		}
+	}
+
+	return out
+}
+
 // MapMerge merges maps into one.
 func MapMerge[T ~map[string]any](maps...T) T {
 	out := make(T)