54 lines
886 B
Go
54 lines
886 B
Go
package domain
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import (
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"strconv"
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"strings"
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)
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type Coords struct {
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x int
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y int
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}
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var ErrInvalidCoordsString error = simpleError{
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msg: "invalid coords string, should be x|y",
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typ: ErrorTypeIncorrectInput,
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code: "invalid-coords-string",
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}
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const coordsSubstrings = 2
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func newCoords(s string) (Coords, error) {
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coords := strings.SplitN(s, "|", coordsSubstrings)
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if len(coords) != coordsSubstrings {
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return Coords{}, ErrInvalidCoordsString
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}
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x, err := strconv.Atoi(coords[0])
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if err != nil || x <= 0 {
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return Coords{}, ErrInvalidCoordsString
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}
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y, err := strconv.Atoi(coords[1])
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if err != nil || y <= 0 {
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return Coords{}, ErrInvalidCoordsString
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}
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return Coords{
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x: x,
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y: y,
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}, nil
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}
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func (c Coords) X() int {
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return c.x
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}
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func (c Coords) Y() int {
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return c.y
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}
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func (c Coords) String() string {
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return strconv.Itoa(c.x) + "|" + strconv.Itoa(c.y)
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}
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