github.com/greenpau/go-identity@v1.1.6/credit_card.go (about)

     1  // Copyright 2020 Paul Greenberg greenpau@outlook.com
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package identity
    16  
    17  import (
    18  	"github.com/greenpau/go-identity/pkg/errors"
    19  	"strings"
    20  	"time"
    21  )
    22  
    23  // CreditCard represents a credit card.
    24  type CreditCard struct {
    25  	Number      string                 `json:"number,omitempty" xml:"number,omitempty" yaml:"number,omitempty"`
    26  	Issuer      *CreditCardIssuer      `json:"issuer,omitempty" xml:"issuer,omitempty" yaml:"issuer,omitempty"`
    27  	Association *CreditCardAssociation `json:"association,omitempty" xml:"association,omitempty" yaml:"association,omitempty"`
    28  	Code        string                 `json:"code,omitempty" xml:"code,omitempty" yaml:"code,omitempty"`
    29  	ExpiresAt   time.Time              `json:"expires_at,omitempty" xml:"expires_at,omitempty" yaml:"expires_at,omitempty"`
    30  	IssuedAt    time.Time              `json:"issued_at,omitempty" xml:"issued_at,omitempty" yaml:"issued_at,omitempty"`
    31  }
    32  
    33  // NewCreditCard returns an instance of CreditCard
    34  func NewCreditCard() *CreditCard {
    35  	return &CreditCard{}
    36  }
    37  
    38  // AddIssuer adds the name of the issuer, e.g. CitiGroup, CapitalOne, etc.
    39  func (cc *CreditCard) AddIssuer(s string) error {
    40  
    41  	for _, issuer := range CreditCardIssuers {
    42  		if s == issuer.Name || s == strings.ToLower(issuer.Name) {
    43  			cc.Issuer = issuer
    44  			return nil
    45  		}
    46  		for _, alias := range issuer.Aliases {
    47  			if s == alias || s == strings.ToLower(alias) {
    48  				cc.Issuer = issuer
    49  				return nil
    50  			}
    51  		}
    52  	}
    53  	return errors.ErrCreditCardUnsupportedIssuer.WithArgs(s)
    54  }
    55  
    56  // AddAssociation adds the name of the association, e.g. Visa, American
    57  // Express, etc., to a credit card
    58  func (cc *CreditCard) AddAssociation(s string) error {
    59  	for _, association := range CreditCardAssociations {
    60  		if s == association.Name {
    61  			cc.Association = association
    62  			return nil
    63  		}
    64  	}
    65  	return errors.ErrCreditCardUnsupportedAssociation.WithArgs(s)
    66  }