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user.go
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user.go
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package main
import (
"encoding/json"
"fmt"
"net/http"
)
// User is a model to create and fetch users from the db
type User struct {
ID string `db:"id" json:"id"`
Name string `db:"name" json:"name"`
Age string `db:"age" json:"age"`
}
// UserErrors is used to hold and display user errors
type UserErrors struct {
Message string
}
// Users is a collection of User
type Users []User
// MarshalUserJSON marshals a user struct into json
func (u *User) MarshalUserJSON() {
if responseJSON, err := json.Marshal(u); err != nil {
fmt.Println("Couldn't marshal response json for user")
} else {
fmt.Println("Response Date: " + string(responseJSON))
}
}
// SetID sets a given users id to the passed in string (uuid)
func (u *User) SetID(id string) {
u.ID = id
}
// MakeError creates a UserErrors struct and marshals it to json
// then writes the appropriate response
func MakeError(errObj error, w http.ResponseWriter) {
errJSON := UserErrors{Message: errObj.Error()}
_, err := json.Marshal(errJSON)
if err != nil {
fmt.Println("Error marshaling json for user errors", err)
w.WriteHeader(http.StatusInternalServerError)
} else {
fmt.Println("Error JSON: ", errJSON.Message)
w.WriteHeader(422)
}
}