Add all amqp.Publishing options for internal PublishOptions

This enables to fully utilize the given options by the amqp library.

publish.go

@@ -3,6 +3,7 @@ package rabbitmq
 import (
 	"fmt"
 	"sync"
+	"time"
 
 	amqp "github.com/rabbitmq/amqp091-go"
 )
@@ -36,14 +37,35 @@ type PublishOptions struct {
 	Mandatory bool
 	// Immediate fails to publish if there are no consumers
 	// that can ack bound to the queue on the routing key
-	Immediate   bool
+	Immediate bool
+	// MIME content type
 	ContentType string
-	// Transient or Persistent
+	// Transient (0 or 1) or Persistent (2)
 	DeliveryMode uint8
 	// Expiration time in ms that a message will expire from a queue.
 	// See https://www.rabbitmq.com/ttl.html#per-message-ttl-in-publishers
 	Expiration string
-	Headers    Table
+	// MIME content encoding
+	ContentEncoding string
+	// 0 to 9
+	Priority uint8
+	// correlation identifier
+	CorrelationID string
+	// address to to reply to (ex: RPC)
+	ReplyTo string
+	// message identifier
+	MessageID string
+	// message timestamp
+	Timestamp time.Time
+	// message type name
+	Type string
+	// creating user id - ex: "guest"
+	UserID string
+	// creating application id
+	AppID string
+	// Application or exchange specific fields,
+	// the headers exchange will inspect this field.
+	Headers Table
 }
 
 // WithPublishOptionsExchange returns a function that sets the exchange to publish to
@@ -95,6 +117,69 @@ func WithPublishOptionsHeaders(headers Table) func(*PublishOptions) {
 	}
 }
 
+// WithPublishOptionsContentEncoding returns a function that sets the content encoding, i.e. "utf-8"
+func WithPublishOptionsContentEncoding(contentEncoding string) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.ContentEncoding = contentEncoding
+	}
+}
+
+// WithPublishOptionsPriority returns a function that sets the content priority from 0 to 9
+func WithPublishOptionsPriority(priority uint8) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.Priority = priority
+	}
+}
+
+// WithPublishOptionsCorrelationID returns a function that sets the content correlation identifier
+func WithPublishOptionsCorrelationID(correlationID string) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.CorrelationID = correlationID
+	}
+}
+
+// WithPublishOptionsReplyTo returns a function that sets the reply to field
+func WithPublishOptionsReplyTo(replyTo string) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.ReplyTo = replyTo
+	}
+}
+
+// WithPublishOptionsMessageID returns a function that sets the message identifier
+func WithPublishOptionsMessageID(messageID string) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.MessageID = messageID
+	}
+}
+
+// WithPublishOptionsTimestamp returns a function that sets the timestamp for the message
+func WithPublishOptionsTimestamp(timestamp time.Time) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.Timestamp = timestamp
+	}
+}
+
+// WithPublishOptionsType returns a function that sets the message type name
+func WithPublishOptionsType(messageType string) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.Type = messageType
+	}
+}
+
+// WithPublishOptionsUserID returns a function that sets the user id i.e. "user"
+func WithPublishOptionsUserID(userID string) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.UserID = userID
+	}
+}
+
+// WithPublishOptionsAppID returns a function that sets the application id
+func WithPublishOptionsAppID(appID string) func(*PublishOptions) {
+	return func(options *PublishOptions) {
+		options.AppID = appID
+	}
+}
+
 // Publisher allows you to publish messages safely across an open connection
 type Publisher struct {
 	chManager *channelManager
@@ -207,6 +292,15 @@ func (publisher *Publisher) Publish(
 		message.Body = data
 		message.Headers = tableToAMQPTable(options.Headers)
 		message.Expiration = options.Expiration
+		message.ContentEncoding = options.ContentEncoding
+		message.Priority = options.Priority
+		message.CorrelationId = options.CorrelationID
+		message.ReplyTo = options.ReplyTo
+		message.MessageId = options.MessageID
+		message.Timestamp = options.Timestamp
+		message.Type = options.Type
+		message.UserId = options.UserID
+		message.AppId = options.AppID
 
 		// Actual publish.
 		err := publisher.chManager.channel.Publish(