Backend: Improve Dsc regular expression and add test

internal/config/filenames_test.go

@@ -61,3 +61,17 @@ func TestConfig_TestdataPath(t *testing.T) {
 
 	assert.Equal(t, "/go/src/github.com/photoprism/photoprism/storage/testdata/testdata", c.TestdataPath())
 }
+
+func TestConfig_CreateDirectories(t *testing.T) {
+	c := NewTestConfig()
+	err := c.CreateDirectories()
+
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestConfig_ConfigFile2(t *testing.T) {
+	c := NewTestConfig()
+	assert.Equal(t, "/go/src/github.com/photoprism/photoprism/storage/testdata/testdata", c.ConfigFile())
+}

pkg/fs/id.go

@@ -6,7 +6,7 @@ import (
 	"github.com/photoprism/photoprism/pkg/rnd"
 )
 
-var DscNameRegexp = regexp.MustCompile("\\D{3}[\\d_]\\d{4,8}_?\\d{0,6}(.JPG)?")
+var DscNameRegexp = regexp.MustCompile("\\D{3}[\\d_]\\d{4,8}_?\\d{0,6}_?\\d{0,6}(.JPG)?")
 var UniqueNameRegexp = regexp.MustCompile("[a-f0-9]{8,16}_[a-f0-9]{6,16}_[A-Za-z0-9]{1,20}_?[A-Za-z0-9]{0,4}") // Example: 8263987746_d0a6055c58_o
 var UUIDNameRegexp = regexp.MustCompile("[A-Fa-f0-9\\-]{16,36}_?[A-Za-z0-9_]{0,20}")                           // Example: 8263987746_d0a6055c58_o
 

pkg/fs/id_test.go

@@ -95,6 +95,9 @@ func TestIsDscName(t *testing.T) {
 	assert.False(t, IsDscName("550e8400-e29b-11d4-a716-446655440000"))
 	assert.True(t, IsDscName("IMG_0599.JPG"))
 	assert.True(t, IsDscName("IMG_20190721_095643.JPG"))
+	assert.True(t, IsDscName("IMG_20190119_135810_145"))
+	//TODO
+	//assert.True(t, IsDscName("IMG_1059_2048px"))
 	assert.True(t, IsDscName("IMG_20190721_095643"))
 	assert.True(t, IsDscName("DSC_20190721_095643"))
 	assert.True(t, IsDscName("DSC10599"))