Finish green pool report submission

Also start the pattern of breaking out pool pages together in their own
file. I think its easier to read this way.

public-report/photo-upload.go

@@ -0,0 +1,64 @@
+package publicreport
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/Gleipnir-Technology/nidus-sync/userfile"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog/log"
+)
+
+type PhotoUpload struct {
+	Filename string
+	Size     int64
+	UUID     uuid.UUID
+}
+
+func extractPhotoUploads(r *http.Request) (uploads []PhotoUpload, err error) {
+	uploads = make([]PhotoUpload, 0)
+	for _, fheaders := range r.MultipartForm.File {
+		for _, headers := range fheaders {
+			file, err := headers.Open()
+
+			if err != nil {
+				return uploads, fmt.Errorf("Failed to open header: %v", err)
+			}
+
+			defer file.Close()
+
+			buff := make([]byte, 512)
+			file.Read(buff)
+
+			file.Seek(0, 0)
+			contentType := http.DetectContentType(buff)
+			var sizeBuff bytes.Buffer
+			fileSize, err := sizeBuff.ReadFrom(file)
+			if err != nil {
+				return uploads, fmt.Errorf("Failed to read file: %v", err)
+			}
+			file.Seek(0, 0)
+			contentBuf := bytes.NewBuffer(nil)
+			if _, err := io.Copy(contentBuf, file); err != nil {
+				return uploads, fmt.Errorf("Failed to save file: %v", err)
+			}
+			log.Info().Int64("size", fileSize).Str("filename", headers.Filename).Str("content-type", contentType).Msg("Got an uploaded file")
+			u, err := uuid.NewUUID()
+			if err != nil {
+				return uploads, fmt.Errorf("Failed to create quick report photo uuid", err)
+			}
+			err = userfile.PublicImageFileContentWrite(u, file)
+			if err != nil {
+				return uploads, fmt.Errorf("Failed to write image file to disk: %v", err)
+			}
+			uploads = append(uploads, PhotoUpload{
+				Size:     fileSize,
+				Filename: headers.Filename,
+				UUID:     u,
+			})
+		}
+	}
+	return uploads, nil
+}