urdt/ussd
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use separate functions to process voucher data

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This commit is contained in:
Alfred Kamanda 2024-10-15 17:02:51 +03:00
parent f378f15422
commit a336856c9b
Signed by: Alfred-mk
GPG Key ID: 7EA3D01708908703
1 changed files with 48 additions and 31 deletions
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79
internal/handlers/ussd/menuhandler.go
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@ -1029,15 +1029,8 @@ func (h *Handlers) CheckVouchers(ctx context.Context, sym string, input []byte)
return res, nil
}
var numberedSymbols []string
var numberedBalances []string
for i, voucher := range vouchersResp.Result.Holdings {
numberedSymbols = append(numberedSymbols, fmt.Sprintf("%d:%s", i+1, voucher.TokenSymbol))
numberedBalances = append(numberedBalances, fmt.Sprintf("%d:%s", i+1, voucher.Balance))
}
voucherSymbolList := strings.Join(numberedSymbols, "\n")
voucherBalanceList := strings.Join(numberedBalances, "\n")
// process voucher data
voucherSymbolList, voucherBalanceList := ProcessVouchers(vouchersResp.Result.Holdings)
prefixdb := storage.NewSubPrefixDb(store, []byte("pfx"))
err = prefixdb.Put(ctx, []byte("sym"), []byte(voucherSymbolList))
@ -1053,6 +1046,26 @@ func (h *Handlers) CheckVouchers(ctx context.Context, sym string, input []byte)
return res, nil
}
// ProcessVouchers formats the holdings into symbol and balance lists.
func ProcessVouchers(holdings []struct {
ContractAddress string `json:"contractAddress"`
TokenSymbol string `json:"tokenSymbol"`
TokenDecimals string `json:"tokenDecimals"`
Balance string `json:"balance"`
}) (string, string) {
var numberedSymbols, numberedBalances []string
for i, voucher := range holdings {
numberedSymbols = append(numberedSymbols, fmt.Sprintf("%d:%s", i+1, voucher.TokenSymbol))
numberedBalances = append(numberedBalances, fmt.Sprintf("%d:%s", i+1, voucher.Balance))
}
voucherSymbolList := strings.Join(numberedSymbols, "\n")
voucherBalanceList := strings.Join(numberedBalances, "\n")
return voucherSymbolList, voucherBalanceList
}
// GetVoucherList fetches the list of vouchers and formats them
func (h *Handlers) GetVoucherList(ctx context.Context, sym string, input []byte) (resource.Result, error) {
var res resource.Result
@ -1074,7 +1087,6 @@ func (h *Handlers) GetVoucherList(ctx context.Context, sym string, input []byte)
// ViewVoucher retrieves the token holding and balance from the subprefixDB
func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (resource.Result, error) {
var res resource.Result
var err error
store := h.userdataStore
sessionId, ok := ctx.Value("SessionId").(string)
@ -1105,10 +1117,31 @@ func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (r
return res, fmt.Errorf("failed to retrieve voucher balance list: %v", err)
}
// Convert the symbol and balance lists from byte arrays to strings
voucherSymbols := string(voucherSymbolList)
voucherBalances := string(voucherBalanceList)
// match the voucher symbol and balance with the input
matchedSymbol, matchedBalance := MatchVoucher(inputStr, string(voucherSymbolList), string(voucherBalanceList))
// If a match is found, write the temporary sym and balance
if matchedSymbol != "" && matchedBalance != "" {
err = store.WriteEntry(ctx, sessionId, utils.DATA_TEMPORARY_SYM, []byte(matchedSymbol))
if err != nil {
return res, err
}
err = store.WriteEntry(ctx, sessionId, utils.DATA_TEMPORARY_BAL, []byte(matchedBalance))
if err != nil {
return res, err
}
res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
res.Content = fmt.Sprintf("%s\n%s", matchedSymbol, matchedBalance)
} else {
res.FlagSet = append(res.FlagSet, flag_incorrect_voucher)
}
return res, nil
}
// MatchVoucher finds the matching voucher symbol and balance based on the input.
func MatchVoucher(inputStr string, voucherSymbols, voucherBalances string) (string, string) {
// Split the lists into slices for processing
symbols := strings.Split(voucherSymbols, "\n")
balances := strings.Split(voucherBalances, "\n")
@ -1128,29 +1161,13 @@ func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (r
matchedSymbol = voucherSymbol
// Ensure there's a corresponding balance
if i < len(balances) {
matchedBalance = strings.SplitN(balances[i], ":", 2)[1] // Extract balance after the "x:balance" format
matchedBalance = strings.SplitN(balances[i], ":", 2)[1]
}
break
}
}
// If a match is found, write the temporary sym, then return the symbol and balance
if matchedSymbol != "" && matchedBalance != "" {
err = store.WriteEntry(ctx, sessionId, utils.DATA_TEMPORARY_SYM, []byte(matchedSymbol))
if err != nil {
return res, err
}
err = store.WriteEntry(ctx, sessionId, utils.DATA_TEMPORARY_BAL, []byte(matchedBalance))
if err != nil {
return res, err
}
res.Content = fmt.Sprintf("%s\n%s", matchedSymbol, matchedBalance)
res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
} else {
res.FlagSet = append(res.FlagSet, flag_incorrect_voucher)
}
return res, nil
return matchedSymbol, matchedBalance
}
// SetVoucher retrieves the temporary sym and balance,