storj/satellite/rewards/rewards.go
Yingrong Zhao e36f43c479
satellite/rewards: replace iota with hardcoded OfferType value (#2432)
* use 0 as the invalid offer type value

* add comment

* Update satellitedb.dbx.go

* Update satellitedb.dbx.go

* update comment
2019-07-08 14:39:56 -04:00

144 lines
3.0 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information
package rewards
import (
"context"
"time"
"storj.io/storj/internal/currency"
)
// DB holds information about offer
type DB interface {
ListAll(ctx context.Context) ([]Offer, error)
GetCurrentByType(ctx context.Context, offerType OfferType) (*Offer, error)
Create(ctx context.Context, offer *NewOffer) (*Offer, error)
Redeem(ctx context.Context, offerID int, isDefault bool) error
Finish(ctx context.Context, offerID int) error
}
// NewOffer holds information that's needed for creating a new offer
type NewOffer struct {
Name string
Description string
AwardCredit currency.USD
InviteeCredit currency.USD
RedeemableCap int
AwardCreditDurationDays int
InviteeCreditDurationDays int
ExpiresAt time.Time
Status OfferStatus
Type OfferType
}
// UpdateOffer holds fields needed for update an offer
type UpdateOffer struct {
ID int
Status OfferStatus
ExpiresAt time.Time
}
// OfferType indicates the type of an offer
type OfferType int
const (
// Invalid is a default value for offers that don't have correct type associated with it
Invalid = OfferType(0)
// FreeCredit is a type of offers used for Free Credit Program
FreeCredit = OfferType(1)
// Referral is a type of offers used for Referral Program
Referral = OfferType(2)
)
// OfferStatus indicates the status of an offer
type OfferStatus int
const (
// Done is a default offer status when an offer is not being used currently
Done = OfferStatus(iota)
// Default is a offer status when an offer is used as a default offer
Default
// Active is a offer status when an offer is currently being used
Active
)
// Offer contains info needed for giving users free credits through different offer programs
type Offer struct {
ID int
Name string
Description string
AwardCredit currency.USD
InviteeCredit currency.USD
AwardCreditDurationDays int
InviteeCreditDurationDays int
RedeemableCap int
NumRedeemed int
ExpiresAt time.Time
CreatedAt time.Time
Status OfferStatus
Type OfferType
}
// IsDefault evaluates the default status of offers for templates.
func (o Offer) IsDefault() bool {
if o.Status == Default {
return true
}
return false
}
// IsCurrent evaluates the current status of offers for templates.
func (o Offer) IsCurrent() bool {
if o.Status == Active {
return true
}
return false
}
// IsDone evaluates the done status of offers for templates.
func (o Offer) IsDone() bool {
if o.Status == Done {
return true
}
return false
}
// Offers holds a set of organized offers.
type Offers struct {
Set []Offer
}
// GetCurrentFromSet returns the current offer from an organized set.
func (offers Offers) GetCurrentFromSet() Offer {
var o Offer
for _, offer := range offers.Set {
if offer.IsCurrent() {
o = offer
}
}
return o
}
// GetDefaultFromSet returns the current offer from an organized set.
func (offers Offers) GetDefaultFromSet() Offer {
var o Offer
for _, offer := range offers.Set {
if offer.IsDefault() {
o = offer
}
}
return o
}