50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package obsws
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import (
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"errors"
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"log"
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)
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// ErrUnknownEventType is returned when a handler is added for an unknown event.
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var ErrUnknownEventType = errors.New("unknown event type")
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// AddEventHandler adds a handler function for a given event type.
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func (c *Client) AddEventHandler(eventType string, handler func(Event)) error {
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if eventMap[eventType] == nil {
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return ErrUnknownEventType
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}
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c.handlers[eventType] = handler
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return nil
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}
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// RemoveEventHandler removes the handler for a given event type.
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func (c *Client) RemoveEventHandler(eventType string) {
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delete(c.handlers, eventType)
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}
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// handleEvent runs an event's handler if it exists.
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func (c *Client) handleEvent(m map[string]interface{}) {
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t := m["update-type"].(string)
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log.Println("Handle", t)
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eventFn, ok := eventMap[t]
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if !ok {
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Logger.Println("unknown event type:", m["update-type"])
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return
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}
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event := eventFn()
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handler, ok := c.handlers[t]
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if !ok {
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return
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}
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if err := mapToStruct(m, event); err != nil {
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Logger.Println("event handler failed:", err)
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return
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}
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go handler(derefEvent(event))
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}
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