Bug fixes (#184)

* Fix gist content when going back to editing

* Fix not outputting non-truncated large files for editon/zip download

* Allow dashes in usernames

* Delete keys associated to deleted user

* Fix error message when there is no files in gist

* Show if there is not files in gist preview

* Fix log parsing for the 11th empty commit

internal/db/gist.go

@@ -310,21 +310,21 @@ func (gist *Gist) DeleteRepository() error {
 	return git.DeleteRepository(gist.User.Username, gist.Uuid)
 }
 
-func (gist *Gist) Files(revision string) ([]*git.File, error) {
+func (gist *Gist) Files(revision string, truncate bool) ([]*git.File, error) {
 	var files []*git.File
 	filesStr, err := git.GetFilesOfRepository(gist.User.Username, gist.Uuid, revision)
 	if err != nil {
 		// if the revision or the file do not exist
 
 		if exiterr, ok := err.(*exec.ExitError); ok && exiterr.ExitCode() == 128 {
-			return nil, nil
+			return nil, &git.RevisionNotFoundError{}
 		}
 
 		return nil, err
 	}
 
 	for _, fileStr := range filesStr {
-		file, err := gist.File(revision, fileStr, true)
+		file, err := gist.File(revision, fileStr, truncate)
 		if err != nil {
 			return nil, err
 		}

internal/db/user.go

@@ -53,6 +53,11 @@ func (user *User) BeforeDelete(tx *gorm.DB) error {
 		return err
 	}
 
+	err = tx.Where("user_id = ?", user.ID).Delete(&SSHKey{}).Error
+	if err != nil {
+		return err
+	}
+
 	// Delete all gists created by this user
 	return tx.Where("user_id = ?", user.ID).Delete(&Gist{}).Error
 }
@@ -189,7 +194,7 @@ func (user *User) DeleteProviderID(provider string) error {
 // -- DTO -- //
 
 type UserDTO struct {
-	Username string `form:"username" validate:"required,max=24,alphanum,notreserved"`
+	Username string `form:"username" validate:"required,max=24,alphanumdash,notreserved"`
 	Password string `form:"password" validate:"required"`
 }