Created
June 23, 2019 08:27
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User Model
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| package models | |
| import "strconv" | |
| type missingFieldError string | |
| func (m missingFieldError) Error() string { | |
| return string(m) + " is required" | |
| } | |
| // User :- Use for constructing the user's information | |
| type User struct { | |
| ID int `json:"user_id"` | |
| Firstname string `json:"first_name"` | |
| Lastname string `json:"last_name"` | |
| Email string `json:"email"` | |
| Password string `json:"password"` | |
| CreatedAt string `json:"createdAt"` | |
| UpdatedAt string `json:"updatedAt"` | |
| } | |
| // OK represents types capable of validating themselves. | |
| // This would be utilized when decoding from request body. | |
| // Here, we can decide to check for required fields as needed. | |
| func (u *User) OK() error { | |
| if len(u.Firstname) == 0 { | |
| return missingFieldError("first_name") | |
| } | |
| if len(u.Lastname) == 0 { | |
| return missingFieldError("last_name") | |
| } | |
| if len(u.Email) == 0 { | |
| return missingFieldError("email") | |
| } | |
| if len(u.Password) == 0 { | |
| return missingFieldError("password") | |
| } | |
| return nil | |
| } | |
| // UserStore :- This is a dictionary of users | |
| var UserStore = make(map[string]User) | |
| // GenerateUserID :- This helper function generates new user id | |
| func GenerateUserID() int { | |
| if len(UserStore) <= 0 { | |
| return 1 | |
| } | |
| var keys []string | |
| for k := range UserStore { | |
| keys = append(keys, k) | |
| } | |
| lastIndex := keys[len(keys)-1] | |
| intLastIndex, _ := strconv.Atoi(lastIndex) | |
| return intLastIndex + 1 | |
| } |
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