Add support for refund

config.go

@@ -19,6 +19,7 @@ type ConfigAccount struct {
 
 type ConfigTransactionTypes struct {
 	Names       []string                      `json:"names,omitempty"`
+	NamesRefund []string                      `json:"names_refund,omitempty"`
 	MccCodes    []int                         `json:"mcc_codes,omitempty"`
 	Firefly3    ConfigTransactionTypeFirefly3 `json:"firefly3,omitempty"`
 	SumMax      int                           `json:"sum_max,omitempty"`

config.json.example

@@ -67,6 +67,13 @@
         "description": "NovaPoshta: delivery"
       },
       "sum_max": 150
+    },
+    {
+      "names": ["Bolt"],
+      "names_refund": ["Скасування. Bolt"],
+      "firefly3": {
+        "description": "Taxi: Bolt"
+      }
     }
   ]
 }

http.go

@@ -18,7 +18,7 @@ func readResponseBody(r *http.Request) (monobank.Transaction, error) {
 	//w.WriteHeader(http.StatusOK)
 	//return
 
-	//body = []byte("{\"type\":\"StatementItem\",\"data\":{\"account\":\"4723djMLsLOCzhoeYjxqRw\",\"statementItem\":{\"id\":\"5_NQ0arGAmp2pyNzvA\",\"time\":1711544958,\"description\":\"З чорної картки\",\"mcc\":4829,\"originalMcc\":4829,\"amount\":-572000,\"operationAmount\":-572000,\"currencyCode\":980,\"commissionRate\":22000,\"cashbackAmount\":0,\"balance\":8101246,\"hold\":true,\"receiptId\":\"EMXC-P266-90PC-EB8C\"}}}")
+	body = []byte("{\"type\":\"StatementItem\",\"data\":{\"account\":\"4723djMLsLOCzhoeYjxqRw\",\"statementItem\":{\"id\":\"cSMr2xlFsfWPFeDLTg\",\"time\":1711806353,\"description\":\"Скасування. Bolt\",\"mcc\":4121,\"originalMcc\":4121,\"amount\":10300,\"operationAmount\":10300,\"currencyCode\":980,\"commissionRate\":0,\"cashbackAmount\":0,\"balance\":7974533,\"hold\":false}}}")
 	LogString(string(body))
 
 	// check empty body

webhook.go

@@ -1,8 +1,10 @@
 package main
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
+	"github.com/antihax/optional"
 	"main/firefly3"
 	monobank "main/monobank/api/webhook/models"
 	"math"
@@ -62,9 +64,60 @@ func handleWebhook(w http.ResponseWriter, r *http.Request) {
 	clientConf.AddDefaultHeader("Authorization", "Bearer "+os.Getenv("FIREFLY3_TOKEN"))
 	firefly3Client := firefly3.NewAPIClient(clientConf)
 
-	// create firefly3 transaction
+	// create firefly3 transactions list
 	var firefly3Transactions []firefly3.TransactionSplitStore
 
+	// match transaction with config
+	for _, row := range config.TransactionTypes {
+
+		// is refund
+		if slices.Contains(row.NamesRefund, monobankTransaction.Data.StatementItem.Description) {
+			opts := firefly3.TransactionsApiListTransactionOpts{
+				Limit: optional.NewInt32(999),
+				Type_: optional.NewInterface("withdrawal"),
+				Start: optional.NewString(time.Now().AddDate(0, 0, -7).Format("2006-01-02")), // one week before
+			}
+			oldTransactions, _, err := firefly3Client.TransactionsApi.ListTransaction(context.Background(), &opts)
+			if err != nil {
+				LogString(err.Error())
+				w.WriteHeader(http.StatusOK)
+				return
+			}
+
+			// find matching transaction to delete
+			for _, tRows := range oldTransactions.Data {
+				for _, tRow := range tRows.Attributes.Transactions {
+					// validate notes is json
+					notesBytes := bytes.NewBufferString(tRow.Notes).Bytes()
+					if !json.Valid(notesBytes) {
+						continue
+					}
+
+					// read monobank transaction
+					var monobankTransaction monobank.Transaction
+					err = json.Unmarshal(notesBytes, &monobankTransaction)
+					if err != nil {
+						continue
+					}
+
+					// find transaction
+					sum := int(math.Abs(math.Round(float64(monobankTransaction.Data.StatementItem.Amount/100)))) - int(math.Abs(math.Round(float64(monobankTransaction.Data.StatementItem.CommissionRate/100))))
+					sum2, _ := strconv.ParseFloat(tRow.Amount, 64)
+					if slices.Contains(row.Names, monobankTransaction.Data.StatementItem.Description) && sum == int(sum2) {
+						// delete transaction
+						opts := firefly3.TransactionsApiDeleteTransactionOpts{}
+						firefly3Client.TransactionsApi.DeleteTransaction(context.Background(), tRows.Id, &opts)
+					}
+				}
+			}
+			break
+		} else {
+			// check name & mcc
+			if !(slices.Contains(row.Names, monobankTransaction.Data.StatementItem.Description) || slices.Contains(row.MccCodes, monobankTransaction.Data.StatementItem.Mcc)) {
+				continue
+			}
+
+			// create firefly3 transaction
 			firefly3Transaction := firefly3.TransactionSplitStore{
 				Date:     time.Unix(int64(monobankTransaction.Data.StatementItem.Time), 0).Add(time.Hour * 2),
 				Notes:    string(monobankTransactionJson),
@@ -72,19 +125,11 @@ func handleWebhook(w http.ResponseWriter, r *http.Request) {
 				SourceId: account.Firefly3Id,
 			}
 
-	// match transaction with config
-	for _, row := range config.TransactionTypes {
-		// check name & mcc
-		if !(slices.Contains(row.Names, monobankTransaction.Data.StatementItem.Description) || slices.Contains(row.MccCodes, monobankTransaction.Data.StatementItem.Mcc)) {
-			continue
-		}
-
 			// check max sum
 			sum, _ := strconv.Atoi(firefly3Transaction.Amount)
 			if row.SumMax > 0 && sum > row.SumMax {
 				continue
 			}
-
 			// make transaction
 			switch row.Firefly3.Type {
 			case "withdrawal":
@@ -103,14 +148,16 @@ func handleWebhook(w http.ResponseWriter, r *http.Request) {
 			firefly3Transaction.Description = row.Firefly3.Description
 			firefly3Transaction.DestinationName = row.Firefly3.Destination
 			firefly3Transaction.CategoryName = row.Firefly3.Category
-		firefly3Transactions = append(firefly3Transactions, firefly3Transaction)
 
 			// swap source and destination
 			if row.Firefly3.IsUseDestinationAsSource {
 				firefly3Transaction.SourceName, firefly3Transaction.DestinationName = firefly3Transaction.DestinationName, firefly3Transaction.SourceName
 			}
+
+			firefly3Transactions = append(firefly3Transactions, firefly3Transaction)
 			break
 		}
+	}
 
 	// record transfer fee
 	if monobankTransaction.Data.StatementItem.CommissionRate > 0 {