Adding initial scaffolding to rename the repository

Signed-off-by: Kris Nóva <kris@nivenly.com>

internal/api/download.go

@@ -0,0 +1,70 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/photoprism/photoprism/internal/entity"
+
+	"github.com/photoprism/photoprism/internal/service"
+
+	"github.com/photoprism/photoprism/internal/photoprism"
+	"github.com/photoprism/photoprism/internal/query"
+	"github.com/photoprism/photoprism/pkg/fs"
+	"github.com/photoprism/photoprism/pkg/txt"
+
+	"github.com/gin-gonic/gin"
+)
+
+// TODO: GET /api/v1/dl/file/:hash
+// TODO: GET /api/v1/dl/photo/:uid
+// TODO: GET /api/v1/dl/album/:uid
+
+// DownloadName returns the download file name type.
+func DownloadName(c *gin.Context) entity.DownloadName {
+	switch c.Query("name") {
+	case "file":
+		return entity.DownloadNameFile
+	case "share":
+		return entity.DownloadNameShare
+	case "original":
+		return entity.DownloadNameOriginal
+	default:
+		return service.Config().Settings().Download.Name
+	}
+}
+
+// GET /api/v1/dl/:hash
+//
+// Parameters:
+//   hash: string The file hash as returned by the search API
+func GetDownload(router *gin.RouterGroup) {
+	router.GET("/dl/:hash", func(c *gin.Context) {
+		if InvalidDownloadToken(c) {
+			c.Data(http.StatusForbidden, "image/svg+xml", brokenIconSvg)
+			return
+		}
+
+		fileHash := c.Param("hash")
+
+		f, err := query.FileByHash(fileHash)
+
+		if err != nil {
+			c.AbortWithStatusJSON(404, gin.H{"error": err.Error()})
+			return
+		}
+
+		fileName := photoprism.FileName(f.FileRoot, f.FileName)
+
+		if !fs.FileExists(fileName) {
+			log.Errorf("download: file %s is missing", txt.Quote(f.FileName))
+			c.Data(404, "image/svg+xml", brokenIconSvg)
+
+			// Set missing flag so that the file doesn't show up in search results anymore.
+			logError("download", f.Update("FileMissing", true))
+
+			return
+		}
+
+		c.FileAttachment(fileName, f.DownloadName(DownloadName(c), 0))
+	})
+}