Add support for multi-currency transfers

app/import_transaction.go

@@ -29,10 +29,10 @@ func ImportTransaction(monobankTransaction monobank.WebHookResponse) error {
 	}
 
 	// find accounts
-	account := App().Config.GetAccountByMonobankId(monobankTransaction.Data.Account)
+	destAccount := App().Config.GetAccountByMonobankId(monobankTransaction.Data.Account)
 
-	// cancel if one of account ids is empty
+	// cancel if one of destAccount ids is empty
-	if len(account.Firefly3Name) == 0 || len(account.MonobankId) == 0 {
+	if len(destAccount.Firefly3Name) == 0 || len(destAccount.MonobankId) == 0 {
 		return errors.New("cannot find firefly3 or monobank ids (" + monobankTransaction.Data.Account + ")")
 	}
 
@@ -102,7 +102,7 @@ func ImportTransaction(monobankTransaction monobank.WebHookResponse) error {
 				Date:       time.Unix(int64(monobankTransaction.Data.StatementItem.Time), 0).Add(time.Hour * time.Duration(timezoneHoursDiff)),
 				Notes:      string(monobankTransactionJson),
 				Amount:     strconv.Itoa(int(math.Abs(math.Round(monobankTransaction.Data.StatementItem.Amount/100))) - int(math.Abs(math.Round(monobankTransaction.Data.StatementItem.CommissionRate/100)))),
-				SourceName: account.Firefly3Name,
+				SourceName: destAccount.Firefly3Name,
 			}
 
 			// check max sum
@@ -132,6 +132,16 @@ func ImportTransaction(monobankTransaction monobank.WebHookResponse) error {
 			// swap source and destination
 			if row.Firefly3.IsUseDestinationAsSource {
 				firefly3Transaction.SourceName, firefly3Transaction.DestinationName = firefly3Transaction.DestinationName, firefly3Transaction.SourceName
+
+				// when transfer between different currencies, convert
+				sourceAccount := App().Config.GetAccountByFirefly3Name(firefly3Transaction.SourceName)
+				if sourceAccount.Currency != destAccount.Currency {
+					// swap amounts
+					firefly3Transaction.ForeignAmount = firefly3Transaction.Amount
+					firefly3Transaction.Amount = strconv.Itoa(int(math.Abs(math.Round(monobankTransaction.Data.StatementItem.OperationAmount / 100))))
+
+					firefly3Transaction.ForeignCurrencyCode = destAccount.Currency
+				}
 			}
 
 			firefly3Transactions = append(firefly3Transactions, firefly3Transaction)
@@ -145,7 +155,7 @@ func ImportTransaction(monobankTransaction monobank.WebHookResponse) error {
 			Notes:       string(monobankTransactionJson),
 			Description: "Transfer fee",
 			Amount:      strconv.Itoa(int(math.Abs(math.Round(monobankTransaction.Data.StatementItem.CommissionRate / 100)))),
-			SourceName:  account.Firefly3Name,
+			SourceName:  destAccount.Firefly3Name,
 		})
 	}
 

config.json.example

@@ -1,18 +1,19 @@
 {
   "accounts": [
       {
-        "name": "Card 1",
         "firefly3_id": "1",
-        "monobank_id": "xxxxxxxxxxxxxxxxxxxxxx"
+        "monobank_id": "xxxxxxxxxxxxxxxxxxxxxx",
+        "currency": "UAH"
       },
       {
-        "name": "Card 2",
         "firefly3_id": "2",
-        "monobank_id": "xxxxxxxxxxxxxxxxxxxxxx"
+        "monobank_id": "xxxxxxxxxxxxxxxxxxxxxx",
+        "currency": "UAH"
       },
       {
         "name": "Card 3",
-        "firefly3_id": "3"
+        "firefly3_id": "3",
+        "currency": "EUR"
       }
   ],
   "transaction_types": [

config/config.go

@@ -8,6 +8,7 @@ type Config struct {
 type ConfigAccount struct {
 	Firefly3Name string `json:"firefly3_name,omitempty"`
 	MonobankId   string `json:"monobank_id,omitempty"`
+	Currency     string `json:"currency,omitempty"`
 }
 
 type ConfigTransactionTypes struct {

config/helpers.go

@@ -9,3 +9,13 @@ func (c *Config) GetAccountByMonobankId(q string) ConfigAccount {
 
 	return ConfigAccount{}
 }
+
+func (c *Config) GetAccountByFirefly3Name(q string) ConfigAccount {
+	for _, row := range c.Accounts {
+		if row.Firefly3Name == q {
+			return row
+		}
+	}
+
+	return ConfigAccount{}
+}

go.mod

@@ -9,4 +9,6 @@ require (
 	github.com/joho/godotenv v1.5.1
 )
 
-require golang.org/x/oauth2 v0.22.0 // indirect
+require (
+	golang.org/x/oauth2 v0.22.0 // indirect
+)

go.sum

@@ -4,10 +4,15 @@ gitea.stuzer.link/stuzer05/go-monobank v0.2303.0 h1:BDv3h9bk5Fs3iI51W+pXmjPBAQn9
 gitea.stuzer.link/stuzer05/go-monobank v0.2303.0/go.mod h1:y/jOBU1U+NNR5umvDH+scrOWk0byZGZrMb4PHEehyrk=
 github.com/antihax/optional v1.0.0 h1:xK2lYat7ZLaVVcIuj82J8kIro4V6kDe0AUDFboUCwcg=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/davecgh/go-spew v0.0.0-20161028175848-04cdfd42973b/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/pmezard/go-difflib v0.0.0-20151028094244-d8ed2627bdf0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sanity-io/litter v1.5.5 h1:iE+sBxPBzoK6uaEP5Lt3fHNgpKcHXc/A2HGETy0uJQo=
+github.com/sanity-io/litter v1.5.5/go.mod h1:9gzJgR2i4ZpjZHsKvUXIRQVk7P+yM3e+jAF7bU2UI5U=
+github.com/stretchr/testify v0.0.0-20161117074351-18a02ba4a312/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 golang.org/x/oauth2 v0.20.0 h1:4mQdhULixXKP1rwYBW0vAijoXnkTG0BLCDRzfe1idMo=
 golang.org/x/oauth2 v0.20.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=