errors

var (
	ErrSheetAlreadyExists = errors.New("sheet already exists")
	ErrSheetDoesNotExist  = errors.New("sheet does not exists")
	ErrSheetNameIsEmpty   = errors.New("sheet name is empty")

	ErrRoasterAlreadyExists = errors.New("roaster already exists")
	ErrRoasterDoesNotExist  = errors.New("roaster does not exists")
	ErrRoasterNameIsEmpty   = errors.New("roaster name is empty")

	ErrBeansAlreadyExists        = errors.New("beans already exist")
	ErrBeansDoesNotExist         = errors.New("beans does not exists")
	ErrBeansForeignKeyConstraint = errors.New("beans foreign key constraint failed")
	ErrBeansIsNil                = errors.New("beans is nil")
	ErrBeansNameIsEmpty          = errors.New("beans name is empty")
	ErrBeansRoastDateOutOfRange  = errors.New("beans roast date is out of range. Must be on or after 1900-01-01")
	ErrBeansRoastLevelOutOfRange = errors.New("beans roast level is out of range. Must be between 0 and 4")

	ErrShotAlreadyExists                          = errors.New("shot already exists")
	ErrShotDoesNotExist                           = errors.New("shot does not exists")
	ErrShotRatingOutOfRange                       = errors.New("shot rating is out of range. Must be between 0.0 and 10.0")
	ErrShotComparisonWithPreviousResultOutOfRange = errors.New("shot comparison with previous result is out of range. Must be between 0 and 3")
	ErrShotTimeOutOfRange                         = errors.New("shot time is out of range. Must be between 0 and 3600 seconds")
	ErrShotForeignKeyConstraint                   = errors.New("shot foreign key constraint failed")
)