Backend: Add API endpoint for photo count per month #152 #154 #218

* Backend: Add API endpoint for photo count per month

* URL: /api/v1/moments/time

internal/api/moments_time.go

@@ -0,0 +1,31 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/photoprism/photoprism/internal/config"
+	"github.com/photoprism/photoprism/internal/query"
+	"github.com/photoprism/photoprism/pkg/txt"
+
+	"github.com/gin-gonic/gin"
+)
+
+// GET /api/v1/moments/time
+func GetMomentsTime(router *gin.RouterGroup, conf *config.Config) {
+	router.GET("/moments/time", func(c *gin.Context) {
+		if Unauthorized(c, conf) {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, ErrUnauthorized)
+			return
+		}
+
+		q := query.New(conf.OriginalsPath(), conf.Db())
+
+		result, err := q.GetMomentsTime()
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": txt.UcFirst(err.Error())})
+			return
+		}
+
+		c.JSON(http.StatusOK, result)
+	})
+}

internal/query/moments_time.go

@@ -0,0 +1,25 @@
+package query
+
+// MomentsTimeResult contains photo counts per month and year
+type MomentsTimeResult struct {
+	PhotoYear  int
+	PhotoMonth int
+	Count      int
+}
+
+// GetMomentsTime counts photos per month and year
+func (s *Repo) GetMomentsTime() (results []MomentsTimeResult, err error) {
+	q := s.db.NewScope(nil).DB()
+
+	q = q.Table("photos").
+		Where("deleted_at IS NULL").
+		Select("photos.photo_year, photos.photo_month, COUNT(*) AS count").
+		Group("photos.photo_year, photos.photo_month").
+		Order("photos.photo_year DESC, photos.photo_month DESC")
+
+	if result := q.Scan(&results); result.Error != nil {
+		return results, result.Error
+	}
+
+	return results, nil
+}

internal/server/routes.go

@@ -34,6 +34,7 @@ func registerRoutes(router *gin.Engine, conf *config.Config) {
 		api.GetPhotoDownload(v1, conf)
 		api.LikePhoto(v1, conf)
 		api.DislikePhoto(v1, conf)
+		api.GetMomentsTime(v1, conf)
 
 		api.GetLabels(v1, conf)
 		api.LikeLabel(v1, conf)