## Usage
### On Demand
```ruby
user = User.first
user.notification.text "You'll receive this after 1 minute"
user.notification.scheduled(Time.now + 1.minute)
```
#### Send bulk
```ruby
users = User.all
users.each do |user|
user.notification.text "This is an important announcement"
user.notification.template "main/announcement", {announcement_id: 1}
user.notification.scheduled(Date.tomorrow.to_time)
end
```
### Reply
```ruby
@reply.text "This is a reminder"
@reply.text "Take the cookies out of the oven"
@reply.scheduled(Time.now + 30.minutes)
```
## Params
Name
Description
send_at Time
Required.
The date and time when message(s) will be sent.
tag Symbol
Optional. Scheduled message identification tag, can be any symbol.
## Daemon
To send scheduled messages, there is a process that must be running. It can be started as follows:
### In Background
```bash
kogno scheduled_messages start
```
### In Foreground
```
kogno scheduled_messages fg
```
### With the others processes from Kogno
```
kogno start
Kogno 1.0.0 server starting in production
Http: starting daemon..
Sequence: starting daemon..
Scheduled Messages: starting daemon..
```
## Deleting and Re-Scheduling
If the tag argument has been included in the creation of a scheduled message, as the example bellow:
```ruby
user = User.first
user.notification.text "This is a 24 hours reminder."
user.notification.scheduled(Time.now + 24.hours, :window_24h)
```
Then the following methods of the `User` model can be called:
### `destroy_scheduled_messages(tag=Symbol)`
Deletes the scheduled message associated with the provided tag.
```ruby
@user.destroy_scheduled_messages(:window_24h)
```
### `reschedule_message(tag=Symbol)`
Re-Schedule the messages associated with the provided tag.
```ruby
@user.reschedule_scheduled_message(:window_24h, Time.now + 23.hours + 55.minutes)
```
### `scheduled_message?(tag=Symbol)`
Checks if there is a scheduled message associated with the provided tag.
```ruby
@user.scheduled_message?(:window_24h)
```