package client import ( "fmt" "net/http" "strings" "time" ) // RequestOption is a generic request option that can be added to Client calls type RequestOption = func(r *http.Request) error // PublishOption is an option that can be passed to the Client.Publish call type PublishOption = RequestOption // SubscribeOption is an option that can be passed to a Client.Subscribe or Client.Poll call type SubscribeOption = RequestOption // WithTitle adds a title to a message func WithTitle(title string) PublishOption { return WithHeader("X-Title", title) } // WithPriority adds a priority to a message. The priority can be either a number (1=min, 5=max), // or the corresponding names (see util.ParsePriority). func WithPriority(priority string) PublishOption { return WithHeader("X-Priority", priority) } // WithTagsList adds a list of tags to a message. The tags parameter must be a comma-separated list // of tags. To use a slice, use WithTags instead func WithTagsList(tags string) PublishOption { return WithHeader("X-Tags", tags) } // WithTags adds a list of a tags to a message func WithTags(tags []string) PublishOption { return WithTagsList(strings.Join(tags, ",")) } // WithDelay instructs the server to send the message at a later date. The delay parameter can be a // Unix timestamp, a duration string or a natural langage string. See https://ntfy.sh/docs/publish/#scheduled-delivery // for details. func WithDelay(delay string) PublishOption { return WithHeader("X-Delay", delay) } // WithEmail instructs the server to also send the message to the given e-mail address func WithEmail(email string) PublishOption { return WithHeader("X-Email", email) } // WithNoCache instructs the server not to cache the message server-side func WithNoCache() PublishOption { return WithHeader("X-Cache", "no") } // WithNoFirebase instructs the server not to forward the message to Firebase func WithNoFirebase() PublishOption { return WithHeader("X-Firebase", "no") } // WithSince limits the number of messages returned from the server. The parameter since can be a Unix // timestamp (see WithSinceUnixTime), a duration (WithSinceDuration) the word "all" (see WithSinceAll). func WithSince(since string) SubscribeOption { return WithQueryParam("since", since) } // WithSinceAll instructs the server to return all messages for the given topic from the server func WithSinceAll() SubscribeOption { return WithSince("all") } // WithSinceDuration instructs the server to return all messages since the given duration ago func WithSinceDuration(since time.Duration) SubscribeOption { return WithSinceUnixTime(time.Now().Add(-1 * since).Unix()) } // WithSinceUnixTime instructs the server to return only messages newer or equal to the given timestamp func WithSinceUnixTime(since int64) SubscribeOption { return WithSince(fmt.Sprintf("%d", since)) } // WithPoll instructs the server to close the connection after messages have been returned. Don't use this option // directly. Use Client.Poll instead. func WithPoll() SubscribeOption { return WithQueryParam("poll", "1") } // WithScheduled instructs the server to also return messages that have not been sent yet, i.e. delayed/scheduled // messages (see WithDelay). The messages will have a future date. func WithScheduled() SubscribeOption { return WithQueryParam("scheduled", "1") } // WithFilter is a generic subscribe option meant to be used to filter for certain messages only func WithFilter(param, value string) SubscribeOption { return WithQueryParam(param, value) } // WithMessageFilter instructs the server to only return messages that match the exact message func WithMessageFilter(message string) SubscribeOption { return WithQueryParam("message", message) } // WithTitleFilter instructs the server to only return messages with a title that match the exact string func WithTitleFilter(title string) SubscribeOption { return WithQueryParam("title", title) } // WithPriorityFilter instructs the server to only return messages with the matching priority. Not that messages // without priority also implicitly match priority 3. func WithPriorityFilter(priority int) SubscribeOption { return WithQueryParam("priority", fmt.Sprintf("%d", priority)) } // WithTagsFilter instructs the server to only return messages that contain all of the given tags func WithTagsFilter(tags []string) SubscribeOption { return WithQueryParam("tags", strings.Join(tags, ",")) } // WithHeader is a generic option to add headers to a request func WithHeader(header, value string) RequestOption { return func(r *http.Request) error { if value != "" { r.Header.Set(header, value) } return nil } } // WithQueryParam is a generic option to add query parameters to a request func WithQueryParam(param, value string) RequestOption { return func(r *http.Request) error { if value != "" { q := r.URL.Query() q.Add(param, value) r.URL.RawQuery = q.Encode() } return nil } }