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	/*
	* Copyright © 2018 A Bunch Tell LLC.
	*
	* This file is part of WriteFreely.
	*
	* WriteFreely is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Affero General Public License, included
	* in the LICENSE file in this source code package.
	*/

	package writefreely

	import (
	"time"

	"github.com/guregu/null/zero"
	"github.com/writeas/web-core/data"
	"github.com/writeas/web-core/log"
	"github.com/writeas/writefreely/key"
	)

	type UserStatus int

	const (
	UserActive = iota
	UserSilenced
	)

	type (
	userCredentials struct {
	Alias string `json:"alias" schema:"alias"`
	Pass string `json:"pass" schema:"pass"`
	Email string `json:"email" schema:"email"`
	Web bool `json:"web" schema:"-"`
	To string `json:"-" schema:"to"`

	EmailLogin bool `json:"via_email" schema:"via_email"`
	}

	userRegistration struct {
	userCredentials
	InviteCode string `json:"invite_code" schema:"invite_code"`
	Honeypot string `json:"fullname" schema:"fullname"`
	Normalize bool `json:"normalize" schema:"normalize"`
	Signup bool `json:"signup" schema:"signup"`
	}

	// AuthUser contains information for a newly authenticated user (either
	// from signing up or logging in).
	AuthUser struct {
	AccessToken string `json:"access_token,omitempty"`
	Password string `json:"password,omitempty"`
	User *User `json:"user"`

	// Verbose user data
	Posts *[]PublicPost `json:"posts,omitempty"`
	Collections *[]Collection `json:"collections,omitempty"`
	}

	// User is a consistent user object in the database and all contexts (auth
	// and non-auth) in the API.
	User struct {
	ID int64 `json:"-"`
	Username string `json:"username"`
	HashedPass []byte `json:"-"`
	HasPass bool `json:"has_pass"`
	Email zero.String `json:"email"`
	Created time.Time `json:"created"`
	Status UserStatus `json:"status"`

	clearEmail string `json:"email"`
	}

	userMeStats struct {
	TotalCollections, TotalArticles, CollectionPosts uint64
	}

	ExportUser struct {
	*User
	Collections *[]CollectionObj `json:"collections"`
	AnonymousPosts []PublicPost `json:"posts"`
	}

	PublicUser struct {
	Username string `json:"username"`
	}
	)

	// EmailClear decrypts and returns the user's email, caching it in the user
	// object.
	func (u User) EmailClear(keys key.Keychain) string {
	if u.clearEmail != "" {
	return u.clearEmail
	}

	if u.Email.Valid && u.Email.String != "" {
	email, err := data.Decrypt(keys.EmailKey, []byte(u.Email.String))
	if err != nil {
	log.Error("Error decrypting user email: %v", err)
	} else {
	u.clearEmail = string(email)
	return u.clearEmail
	}
	}
	return ""
	}

	func (u User) CreatedFriendly() string {
	/*
	// TODO: accept a locale in this method and use that for the format
	var loc monday.Locale = monday.LocaleEnUS
	return monday.Format(u.Created, monday.DateTimeFormatsByLocale[loc], loc)
	*/
	return u.Created.Format("January 2, 2006, 3:04 PM")
	}

	// Cookie strips down an AuthUser to contain only information necessary for
	// cookies.
	func (u User) Cookie() *User {
	u.HashedPass = []byte{}

	return &u
	}

	func (u *User) IsAdmin() bool {
	// TODO: get this from database
	return u.ID == 1
	}

	func (u *User) IsSilenced() bool {
	return u.Status&UserSilenced != 0
	}

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