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pending.go
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pending.go
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package stickers
import (
"encoding/json"
"errors"
"math/big"
"github.com/status-im/status-go/multiaccounts/settings"
"github.com/status-im/status-go/services/wallet/bigint"
)
func (api *API) AddPending(chainID uint64, packID *bigint.BigInt) error {
pendingPacks, err := api.pendingStickerPacks()
if err != nil {
return err
}
if _, exists := pendingPacks[uint(packID.Uint64())]; exists {
return errors.New("sticker pack is already pending")
}
stickerType, err := api.contractMaker.NewStickerType(chainID)
if err != nil {
return err
}
stickerPack, err := api.fetchPackData(stickerType, packID.Int, false)
if err != nil {
return err
}
pendingPacks[uint(packID.Uint64())] = *stickerPack
return api.accountsDB.SaveSettingField(settings.StickersPacksPending, pendingPacks)
}
func (api *API) pendingStickerPacks() (StickerPackCollection, error) {
stickerPacks := make(StickerPackCollection)
pendingStickersJSON, err := api.accountsDB.GetPendingStickerPacks()
if err != nil {
return nil, err
}
if pendingStickersJSON == nil {
return stickerPacks, nil
}
err = json.Unmarshal(*pendingStickersJSON, &stickerPacks)
if err != nil {
return nil, err
}
return stickerPacks, nil
}
func (api *API) Pending() (StickerPackCollection, error) {
stickerPacks, err := api.pendingStickerPacks()
if err != nil {
return nil, err
}
for packID, stickerPack := range stickerPacks {
stickerPack.Status = statusPending
stickerPack.Preview = api.hashToURL(stickerPack.Preview)
stickerPack.Thumbnail = api.hashToURL(stickerPack.Thumbnail)
for i, sticker := range stickerPack.Stickers {
sticker.URL = api.hashToURL(sticker.Hash)
stickerPack.Stickers[i] = sticker
}
stickerPacks[packID] = stickerPack
}
return stickerPacks, nil
}
func (api *API) ProcessPending(chainID uint64) (pendingChanged StickerPackCollection, err error) {
pendingStickerPacks, err := api.pendingStickerPacks()
if err != nil {
return nil, err
}
accs, err := api.accountsDB.GetActiveAccounts()
if err != nil {
return nil, err
}
purchasedPacks := make(map[uint]struct{})
purchasedPackChan := make(chan *big.Int)
errChan := make(chan error)
doneChan := make(chan struct{}, 1)
go api.getAccountsPurchasedPack(chainID, accs, purchasedPackChan, errChan, doneChan)
for {
select {
case err := <-errChan:
if err != nil {
return nil, err
}
case packID := <-purchasedPackChan:
if packID != nil {
purchasedPacks[uint(packID.Uint64())] = struct{}{}
}
case <-doneChan:
result := make(StickerPackCollection)
for _, stickerPack := range pendingStickerPacks {
packID := uint(stickerPack.ID.Uint64())
if _, exists := purchasedPacks[packID]; !exists {
continue
}
delete(pendingStickerPacks, packID)
stickerPack.Status = statusPurchased
result[packID] = stickerPack
}
err = api.accountsDB.SaveSettingField(settings.StickersPacksPending, pendingStickerPacks)
return result, err
}
}
}
func (api *API) RemovePending(packID *bigint.BigInt) error {
pendingPacks, err := api.pendingStickerPacks()
if err != nil {
return err
}
if _, exists := pendingPacks[uint(packID.Uint64())]; !exists {
return nil
}
delete(pendingPacks, uint(packID.Uint64()))
return api.accountsDB.SaveSettingField(settings.StickersPacksPending, pendingPacks)
}