/
err.go
89 lines (69 loc) · 1.95 KB
/
err.go
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// Package errs provides errors, that may occur on db usage
package errs
import (
"fmt"
"strings"
"github.com/dustin/go-humanize/english"
)
type ErrTableAlreadyExists struct {
error
}
func NewErrTableAlreadyExists(tableName string) *ErrTableAlreadyExists {
return &ErrTableAlreadyExists{fmt.Errorf("table %s already exists", tableName)}
}
type ErrTableNotFound struct {
error
}
func NewErrTableNotFound(tableName string) *ErrTableNotFound {
return &ErrTableNotFound{fmt.Errorf("table %s not found", tableName)}
}
type ErrColumnsRequired struct {
error
}
func NewErrColumnsRequired(columnNames []string) *ErrColumnsRequired {
return &ErrColumnsRequired{
fmt.Errorf("%s %s required",
english.PluralWord(len(columnNames), "column", ""),
strings.Join(columnNames, ", ")),
}
}
type ErrColumnsNotFound struct {
error
}
func NewErrColumnsNotFound(columnNames []string) *ErrColumnsNotFound {
return &ErrColumnsNotFound{
fmt.Errorf("%s %s not found",
english.PluralWord(len(columnNames), "column", ""),
strings.Join(columnNames, ", ")),
}
}
type ErrNoColumns struct {
error
}
func NewErrNoColumns() *ErrNoColumns {
return &ErrNoColumns{fmt.Errorf("cannot create table without columns")}
}
type ErrInvalidTypeProvided struct {
error
}
func NewErrInvalidTypeProvided(columnName, t string) *ErrInvalidTypeProvided {
return &ErrInvalidTypeProvided{fmt.Errorf("cannot create column %s with type %s", columnName, t)}
}
type ErrInvalidRange struct {
error
}
func NewErrInvalidRange(a, b float64) *ErrInvalidRange {
return &ErrInvalidRange{fmt.Errorf("invalid range %v>%v", a, b)}
}
type ErrInvalidRangeDeclaration struct {
error
}
func NewErrInvalidRangeDeclaration() *ErrInvalidRangeDeclaration {
return &ErrInvalidRangeDeclaration{fmt.Errorf("invalid range declaration, should be provided as tuple: [\"from\",\"to\"]")}
}
type ErrDbIO struct {
error
}
func NewErrDbIO(err error) *ErrDbIO {
return &ErrDbIO{fmt.Errorf("db io error: %s", err.Error())}
}