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diff --git a/invites.go b/invites.go
index 63216fa..e39ec3b 100644
--- a/invites.go
+++ b/invites.go
@@ -1,187 +1,186 @@
/*
* Copyright © 2019 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 (
"database/sql"
"html/template"
"net/http"
"strconv"
"time"
"github.com/gorilla/mux"
"github.com/writeas/impart"
"github.com/writeas/nerds/store"
"github.com/writeas/web-core/log"
"github.com/writeas/writefreely/page"
)
type Invite struct {
ID string
MaxUses sql.NullInt64
Created time.Time
Expires *time.Time
Inactive bool
uses int64
}
func (i Invite) Uses() int64 {
return i.uses
}
func (i Invite) Expired() bool {
return i.Expires != nil && i.Expires.Before(time.Now())
}
func (i Invite) ExpiresFriendly() string {
return i.Expires.Format("January 2, 2006, 3:04 PM")
}
func handleViewUserInvites(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
// Don't show page if instance doesn't allow it
if !(app.cfg.App.UserInvites != "" && (u.IsAdmin() || app.cfg.App.UserInvites != "admin")) {
return impart.HTTPError{http.StatusNotFound, ""}
}
f, _ := getSessionFlashes(app, w, r, nil)
p := struct {
*UserPage
Invites *[]Invite
Suspended bool
}{
UserPage: NewUserPage(app, r, u, "Invite People", f),
}
var err error
p.Suspended, err = app.db.IsUserSuspended(u.ID)
if err != nil {
log.Error("view invites: %v", err)
- return ErrInternalGeneral
}
p.Invites, err = app.db.GetUserInvites(u.ID)
if err != nil {
return err
}
for i := range *p.Invites {
(*p.Invites)[i].uses = app.db.GetUsersInvitedCount((*p.Invites)[i].ID)
}
showUserPage(w, "invite", p)
return nil
}
func handleCreateUserInvite(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
muVal := r.FormValue("uses")
expVal := r.FormValue("expires")
if u.IsSilenced() {
return ErrUserSuspended
}
var err error
var maxUses int
if muVal != "0" {
maxUses, err = strconv.Atoi(muVal)
if err != nil {
return impart.HTTPError{http.StatusBadRequest, "Invalid value for 'max_uses'"}
}
}
var expDate *time.Time
var expires int
if expVal != "0" {
expires, err = strconv.Atoi(expVal)
if err != nil {
return impart.HTTPError{http.StatusBadRequest, "Invalid value for 'expires'"}
}
ed := time.Now().Add(time.Duration(expires) * time.Minute)
expDate = &ed
}
inviteID := store.GenerateRandomString("0123456789BCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz", 6)
err = app.db.CreateUserInvite(inviteID, u.ID, maxUses, expDate)
if err != nil {
return err
}
return impart.HTTPError{http.StatusFound, "/me/invites"}
}
func handleViewInvite(app *App, w http.ResponseWriter, r *http.Request) error {
inviteCode := mux.Vars(r)["code"]
i, err := app.db.GetUserInvite(inviteCode)
if err != nil {
return err
}
expired := i.Expired()
if !expired && i.MaxUses.Valid && i.MaxUses.Int64 > 0 {
// Invite has a max-use number, so check if we're past that limit
i.uses = app.db.GetUsersInvitedCount(inviteCode)
expired = i.uses >= i.MaxUses.Int64
}
if u := getUserSession(app, r); u != nil {
// check if invite belongs to another user
// error can be ignored as not important in this case
if ownInvite, _ := app.db.IsUsersInvite(inviteCode, u.ID); !ownInvite {
addSessionFlash(app, w, r, "You're already registered and logged in.", nil)
// show homepage
return impart.HTTPError{http.StatusFound, "/me/settings"}
}
// show invite instructions
p := struct {
*UserPage
Invite *Invite
Expired bool
}{
UserPage: NewUserPage(app, r, u, "Invite to "+app.cfg.App.SiteName, nil),
Invite: i,
Expired: expired,
}
showUserPage(w, "invite-help", p)
return nil
}
p := struct {
page.StaticPage
Error string
Flashes []template.HTML
Invite string
}{
StaticPage: pageForReq(app, r),
Invite: inviteCode,
}
if expired {
p.Error = "This invite link has expired."
}
// Get error messages
session, err := app.sessionStore.Get(r, cookieName)
if err != nil {
// Ignore this
log.Error("Unable to get session in handleViewInvite; ignoring: %v", err)
}
flashes, _ := getSessionFlashes(app, w, r, session)
for _, flash := range flashes {
p.Flashes = append(p.Flashes, template.HTML(flash))
}
// Show landing page
return renderPage(w, "signup.tmpl", p)
}

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