mise run and cache hit log

cmd/maps.go

@@ -2,8 +2,11 @@ package cmd
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
+	"log"
 	"os"
+	"path"
 
 	"golang.org/x/time/rate"
 	"googlemaps.github.io/maps"
@@ -11,10 +14,13 @@ import (
 
 type Maps struct {
 	around Location
+	cache  Cache
 }
 
 func NewMapsOf(ctx context.Context, town string) (*Maps, error) {
-	m := &Maps{}
+	m := &Maps{
+		cache: NewCache(ctx),
+	}
 	var err error
 	m.around, err = m.textSearchOne(ctx, town)
 	return m, err
@@ -32,7 +38,7 @@ type Location struct {
 }
 
 func (m *Maps) textSearchOne(ctx context.Context, query string) (Location, error) {
-	results, err := m.textSearch(ctx, query)
+	results, err := m.Search(ctx, query)
 	if err != nil {
 		return Location{}, err
 	} else if len(results) < 1 {
@@ -41,7 +47,17 @@ func (m *Maps) textSearchOne(ctx context.Context, query string) (Location, error
 	return results[0], nil
 }
 
-func (m *Maps) textSearch(ctx context.Context, query string) ([]Location, error) {
+func (m *Maps) Search(ctx context.Context, query string) ([]Location, error) {
+	cacheK := path.Join(fmt.Sprint(m.around), query)
+	if b, err := m.cache.Get(ctx, cacheK); err == nil {
+		var locations []Location
+		log.Printf("cache hit for %q", cacheK)
+		if err := json.Unmarshal(b, &locations); err == nil {
+			return locations, nil
+		}
+	}
+	log.Printf("cache miss for %q", cacheK)
+
 	locations := []Location{}
 	nextToken := ""
 	for {
@@ -62,6 +78,10 @@ func (m *Maps) textSearch(ctx context.Context, query string) ([]Location, error)
 			break
 		}
 	}
+
+	cacheV, _ := json.Marshal(locations)
+	m.cache.Set(ctx, cacheK, cacheV)
+
 	return locations, ctx.Err()
 }
 
@@ -69,10 +89,9 @@ func (m *Maps) _textSearch(ctx context.Context, query string, nextToken string)
 	mapsLimiter.Wait(ctx)
 
 	var location *maps.LatLng
-	radius := uint(0)
-	if m.around == (Location{}) {
+	radius := uint(250)
+	if m.around != (Location{}) {
 		radius = 250
-	} else {
 		location = &maps.LatLng{
 			Lat: m.around.Lat,
 			Lng: m.around.Lng,