github.com/rotblauer/buffalo@v0.7.1-0.20170112214545-7aa55ef80dd3/examples/html-crud/models/user.go (about)

     1  package models
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"time"
     7  
     8  	"github.com/markbates/going/validate"
     9  	"github.com/markbates/going/validate/validators"
    10  	"github.com/markbates/pop"
    11  )
    12  
    13  type User struct {
    14  	ID        int       `json:"id" db:"id" schema:"-"`
    15  	CreatedAt time.Time `json:"created_at" db:"created_at"`
    16  	UpdatedAt time.Time `json:"updated_at" db:"updated_at"`
    17  	FirstName string    `json:"first_name" db:"first_name"`
    18  	LastName  string    `json:"last_name" db:"last_name"`
    19  	Email     string    `json:"email" db:"email"`
    20  }
    21  
    22  // String is not required by pop and may be deleted
    23  func (u User) String() string {
    24  	b, _ := json.Marshal(u)
    25  	return string(b)
    26  }
    27  
    28  func (u User) FullName() string {
    29  	return fmt.Sprintf("%s %s", u.FirstName, u.LastName)
    30  }
    31  
    32  func (u *User) ValidateNew(tx *pop.Connection) (*validate.Errors, error) {
    33  	verrs, err := u.validateCommon(tx)
    34  	verrs.Append(validate.Validate(
    35  		&validators.FuncValidator{
    36  			Fn: func() bool {
    37  				var b bool
    38  				if u.Email != "" {
    39  					b, err = tx.Where("email = ?", u.Email).Exists(u)
    40  				}
    41  				return !b
    42  			},
    43  			Field:   "Email",
    44  			Message: "%s was already taken.",
    45  		},
    46  	))
    47  	return verrs, err
    48  }
    49  
    50  func (u *User) ValidateUpdate(tx *pop.Connection) (*validate.Errors, error) {
    51  	verrs, err := u.validateCommon(tx)
    52  	verrs.Append(validate.Validate(
    53  		&validators.FuncValidator{
    54  			Fn: func() bool {
    55  				var b bool
    56  				if u.Email != "" {
    57  					b, err = tx.Where("email = ? and id != ?", u.Email, u.ID).Exists(u)
    58  				}
    59  				return !b
    60  			},
    61  			Field:   "Email",
    62  			Message: "%s was already taken.",
    63  		},
    64  	))
    65  	return verrs, err
    66  }
    67  
    68  func (u *User) validateCommon(tx *pop.Connection) (*validate.Errors, error) {
    69  	verrs := validate.Validate(
    70  		&validators.StringIsPresent{Name: "First Name", Field: u.FirstName},
    71  		&validators.StringIsPresent{Name: "Last Name", Field: u.LastName},
    72  		&validators.StringIsPresent{Name: "Email", Field: u.Email},
    73  	)
    74  	return verrs, nil
    75  }
    76  
    77  // Users is not required by pop and may be deleted
    78  type Users []User
    79  
    80  // String is not required by pop and may be deleted
    81  func (u Users) String() string {
    82  	b, _ := json.Marshal(u)
    83  	return string(b)
    84  }