81 lines
1.5 KiB
Go
81 lines
1.5 KiB
Go
package bmessage
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import (
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"encoding/json"
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"github.com/alecthomas/units"
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)
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type ImageMetadata struct {
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Kind ImageKind
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URL string
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Height int64
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Width int64
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}
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type ImageKind int
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const (
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KindImage ImageKind = iota
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KindThumbnail
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)
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type DownloadEvent int
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func (do DownloadEvent) MarshalJSON() ([]byte, error) {
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return []byte(`"` + do.String() + `"`), nil
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}
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func (do DownloadEvent) String() string {
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switch do {
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case DownloadStart:
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return "DownloadStart"
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case DownloadProgress:
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return "DownloadProgress"
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case DownloadEnd:
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return "DownloadEnd"
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case DownloadError:
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return "DownloadError"
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default:
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return "Unknown"
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}
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}
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const (
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DownloadStart DownloadEvent = iota
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DownloadProgress
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DownloadEnd
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DownloadError
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)
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type ImageDownloadMessage struct {
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Event DownloadEvent `json:"event"`
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Metadata ImageMetadata `json:"metadata"`
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ContentLength units.MetricBytes `json:"content_length"`
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Downloaded units.MetricBytes `json:"downloaded"`
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Subreddit string `json:"subreddit"`
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PostURL string `json:"post_url"`
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PostID string `json:"post_id"`
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Error error `json:"error"`
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}
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func (im ImageDownloadMessage) MarshalJSON() ([]byte, error) {
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type Alias ImageDownloadMessage
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type W struct {
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Alias
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Error string `json:"error"`
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}
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errMsg := ""
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if im.Error != nil {
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errMsg = im.Error.Error()
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}
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w := W{
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Alias: Alias(im),
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Error: errMsg,
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}
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return json.Marshal(w)
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}
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