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156 lines
5.2 KiB
156 lines
5.2 KiB
package rabbitmq
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import (
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"time"
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)
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// PublishOptions are used to control how data is published
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type PublishOptions struct {
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Exchange string
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// Mandatory fails to publish if there are no queues
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// bound to the routing key
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Mandatory bool
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// Immediate fails to publish if there are no consumers
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// that can ack bound to the queue on the routing key
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Immediate bool
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// MIME content type
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ContentType string
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// Transient (0 or 1) or Persistent (2)
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DeliveryMode uint8
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// Expiration time in ms that a message will expire from a queue.
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// See https://www.rabbitmq.com/ttl.html#per-message-ttl-in-publishers
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Expiration string
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// MIME content encoding
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ContentEncoding string
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// 0 to 9
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Priority uint8
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// correlation identifier
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CorrelationID string
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// address to to reply to (ex: RPC)
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ReplyTo string
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// message identifier
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MessageID string
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// message timestamp
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Timestamp time.Time
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// message type name
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Type string
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// creating user id - ex: "guest"
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UserID string
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// creating application id
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AppID string
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// Application or exchange specific fields,
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// the headers exchange will inspect this field.
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Headers Table
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}
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// WithPublishOptionsExchange returns a function that sets the exchange to publish to
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func WithPublishOptionsExchange(exchange string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.Exchange = exchange
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}
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}
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// WithPublishOptionsMandatory makes the publishing mandatory, which means when a queue is not
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// bound to the routing key a message will be sent back on the returns channel for you to handle
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func WithPublishOptionsMandatory(options *PublishOptions) {
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options.Mandatory = true
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}
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// WithPublishOptionsImmediate makes the publishing immediate, which means when a consumer is not available
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// to immediately handle the new message, a message will be sent back on the returns channel for you to handle
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func WithPublishOptionsImmediate(options *PublishOptions) {
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options.Immediate = true
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}
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// WithPublishOptionsContentType returns a function that sets the content type, i.e. "application/json"
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func WithPublishOptionsContentType(contentType string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.ContentType = contentType
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}
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}
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// WithPublishOptionsPersistentDelivery sets the message to persist. Transient messages will
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// not be restored to durable queues, persistent messages will be restored to
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// durable queues and lost on non-durable queues during server restart. By default publishings
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// are transient
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func WithPublishOptionsPersistentDelivery(options *PublishOptions) {
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options.DeliveryMode = Persistent
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}
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// WithPublishOptionsExpiration returns a function that sets the expiry/TTL of a message. As per RabbitMq spec, it must be a
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// string value in milliseconds.
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func WithPublishOptionsExpiration(expiration string) func(options *PublishOptions) {
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return func(options *PublishOptions) {
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options.Expiration = expiration
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}
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}
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// WithPublishOptionsHeaders returns a function that sets message header values, i.e. "msg-id"
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func WithPublishOptionsHeaders(headers Table) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.Headers = headers
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}
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}
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// WithPublishOptionsContentEncoding returns a function that sets the content encoding, i.e. "utf-8"
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func WithPublishOptionsContentEncoding(contentEncoding string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.ContentEncoding = contentEncoding
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}
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}
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// WithPublishOptionsPriority returns a function that sets the content priority from 0 to 9
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func WithPublishOptionsPriority(priority uint8) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.Priority = priority
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}
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}
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// WithPublishOptionsCorrelationID returns a function that sets the content correlation identifier
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func WithPublishOptionsCorrelationID(correlationID string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.CorrelationID = correlationID
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}
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}
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// WithPublishOptionsReplyTo returns a function that sets the reply to field
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func WithPublishOptionsReplyTo(replyTo string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.ReplyTo = replyTo
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}
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}
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// WithPublishOptionsMessageID returns a function that sets the message identifier
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func WithPublishOptionsMessageID(messageID string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.MessageID = messageID
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}
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}
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// WithPublishOptionsTimestamp returns a function that sets the timestamp for the message
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func WithPublishOptionsTimestamp(timestamp time.Time) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.Timestamp = timestamp
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}
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}
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// WithPublishOptionsType returns a function that sets the message type name
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func WithPublishOptionsType(messageType string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.Type = messageType
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}
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}
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// WithPublishOptionsUserID returns a function that sets the user id i.e. "user"
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func WithPublishOptionsUserID(userID string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.UserID = userID
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}
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}
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// WithPublishOptionsAppID returns a function that sets the application id
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func WithPublishOptionsAppID(appID string) func(*PublishOptions) {
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return func(options *PublishOptions) {
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options.AppID = appID
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}
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}
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