52 lines
963 B
Go
52 lines
963 B
Go
package main
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import (
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"encoding/json"
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"os"
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"sort"
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"time"
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)
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const CropBottom = "bottom"
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type PendingImage struct {
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Date time.Time `json:"date"`
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URL string `json:"url"`
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Crop string `json:"crop"`
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}
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type PendingImages struct {
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Images []PendingImage `json:"images"`
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}
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func (pi PendingImages) FindPendingImage() (bestImg PendingImage, ok bool) {
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timeNow := time.Now().UTC()
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if len(pi.Images) == 0 {
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return PendingImage{}, false
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}
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for _, img := range pi.Images {
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if timeNow.Before(img.Date) {
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continue
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}
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bestImg = img
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}
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return bestImg, bestImg.URL != ""
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}
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func LoadPendingImages(jsonFile string) (pi PendingImages, _ error) {
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f, err := os.Open(jsonFile)
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if err != nil {
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return PendingImages{}, err
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}
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defer f.Close()
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if err := json.NewDecoder(f).Decode(&pi); err != nil {
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return PendingImages{}, err
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}
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sort.Slice(pi.Images, func(i, j int) bool { return pi.Images[i].Date.Before(pi.Images[j].Date) })
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return pi, nil
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}
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