api/models/characters/remove-nick.go

package characters

import (
	"errors"
	"strings"

	"git.aiterp.net/rpdata/api/models"
	"github.com/globalsign/mgo/bson"
)

// RemoveNick removes a nick to a characters
func RemoveNick(character models.Character, nick string) (models.Character, error) {
	index := -1
	for i := range character.Nicks {
		if strings.EqualFold(character.Nicks[i], nick) {
			index = i
			break
		}
	}
	if index == -1 {
		return models.Character{}, errors.New("Nick does not exist")
	}

	err := collection.UpdateId(character.ID, bson.M{"$pull": bson.M{"nicks": nick}})
	if err != nil {
		return models.Character{}, err
	}

	character.Nicks = append(character.Nicks[:index], character.Nicks[index+1:]...)

	return character, nil
}