add ordered tags fields

internal/store/store.go

@@ -40,6 +40,21 @@ type Store struct {
 	firestore  *firestore.Client
 }
 
+func (s *Store) GetAll(ctx context.Context) ([]map[string]any, error) {
+	iter := s.firestore.Collection(s.collection).Documents(ctx)
+	dsnap, err := iter.GetAll()
+	if err != nil {
+		return nil, err
+	}
+
+	wallpapers := make([]map[string]any, 0, len(dsnap))
+	for _, v := range dsnap {
+		wallpapers = append(wallpapers, v.Data())
+	}
+
+	return wallpapers, nil
+}
+
 func (s *Store) Get(ctx context.Context, id string) (*WallpaperWithTags, error) {
 	doc, err := s.firestore.Collection(s.collection).Doc(id).Get(ctx)
 	if err != nil {

internal/updater/image/image.go

@@ -17,7 +17,8 @@ type Image struct {
 	URL       string `json:"url,omitempty"`
 	ThumbURL  string `json:"thumbUrl,omitempty"`
 
-	Tags map[string]float32 `json:"tags,omitempty"`
+	Tags        map[string]float32 `json:"tags,omitempty"`
+	TagsOrdered []string           `json:"tagsOrdered,omitempty"`
 }
 
 func From(bw bing.Image, market string, bingURL string) (Image, error) {

internal/updater/updater.go

@@ -16,6 +16,7 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"sort"
 	"strings"
 	"time"
 )
@@ -172,6 +173,23 @@ func (u *Updater) Update(ctx context.Context) error {
 			image.Tags[strings.ToLower(v.Description)] = v.Score
 		}
 
+		// start: duplicate tags to t
+		tmp := make([]tag, 0, len(image.Tags))
+		for k, v := range image.Tags {
+			tmp = append(tmp, tag{Name: k, Score: v})
+		}
+
+		// sort by score
+		sort.SliceStable(tmp, func(i, j int) bool {
+			return tmp[i].Score > tmp[j].Score
+		})
+
+		image.TagsOrdered = make([]string, 0, len(tmp))
+		for _, v := range tmp {
+			image.TagsOrdered = append(image.TagsOrdered, strings.ReplaceAll(v.Name, " ", "-"))
+		}
+		// end: duplicate tags to t
+
 		_, err = u.firestoreClient.Upsert(ctx, image)
 		if err != nil {
 			return err
@@ -280,3 +298,8 @@ func (u *Updater) translateText(ctx context.Context, text string) (string, error
 
 	return resp[0].Text, nil
 }
+
+type tag struct {
+	Name  string
+	Score float32
+}