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package amqp
import (
"fmt"
"github.com/spiral/jobs/v2"
"github.com/streadway/amqp"
)
// pack job metadata into headers
func pack(id string, attempt int, j *jobs.Job) amqp.Table {
return amqp.Table{
"rr-id": id,
"rr-job": j.Job,
"rr-attempt": int64(attempt),
"rr-maxAttempts": int64(j.Options.Attempts),
"rr-timeout": int64(j.Options.Timeout),
"rr-delay": int64(j.Options.Delay),
"rr-retryDelay": int64(j.Options.RetryDelay),
}
}
// unpack restores jobs.Options
func unpack(d amqp.Delivery) (id string, attempt int, j *jobs.Job, err error) {
j = &jobs.Job{Payload: string(d.Body), Options: &jobs.Options{}}
if _, ok := d.Headers["rr-id"].(string); !ok {
return "", 0, nil, fmt.Errorf("missing header `%s`", "rr-id")
}
if _, ok := d.Headers["rr-attempt"].(int64); !ok {
return "", 0, nil, fmt.Errorf("missing header `%s`", "rr-attempt")
}
if _, ok := d.Headers["rr-job"].(string); !ok {
return "", 0, nil, fmt.Errorf("missing header `%s`", "rr-job")
}
j.Job = d.Headers["rr-job"].(string)
if _, ok := d.Headers["rr-maxAttempts"].(int64); ok {
j.Options.Attempts = int(d.Headers["rr-maxAttempts"].(int64))
}
if _, ok := d.Headers["rr-timeout"].(int64); ok {
j.Options.Timeout = int(d.Headers["rr-timeout"].(int64))
}
if _, ok := d.Headers["rr-delay"].(int64); ok {
j.Options.Delay = int(d.Headers["rr-delay"].(int64))
}
if _, ok := d.Headers["rr-retryDelay"].(int64); ok {
j.Options.RetryDelay = int(d.Headers["rr-retryDelay"].(int64))
}
return d.Headers["rr-id"].(string), int(d.Headers["rr-attempt"].(int64)), j, nil
}
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