From a339e1afe83c365efd03cf9a36601f78410d85cd Mon Sep 17 00:00:00 2001
From: BaoXuebin <baoxbin@hotmail.com>
Date: Mon, 4 Mar 2024 22:51:25 +0800
Subject: [PATCH] fix: #66 multi currency transactions

---
 service/transactions.go | 11 +++++++++--
 tests/main.go           | 17 -----------------
 tests/main_test.go      | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+), 19 deletions(-)
 delete mode 100644 tests/main.go
 create mode 100644 tests/main_test.go

diff --git a/service/transactions.go b/service/transactions.go
index f3187ed..cc6a461 100644
--- a/service/transactions.go
+++ b/service/transactions.go
@@ -177,13 +177,16 @@ func saveTransaction(c *gin.Context, addTransactionForm AddTransactionForm, ledg
 		zero := decimal.NewFromInt(0)
 		// 判断是否涉及多币种的转换
 		if account.Currency != ledgerConfig.OperatingCurrency && entry.Account != ledgerConfig.OpeningBalances {
-			autoBalance = true
 			// 汇率值小于等于0，则不进行汇率转换
 			if entry.Price.LessThanOrEqual(zero) {
 				continue
 			}
 
-			_, isCurrency := currencyMap[account.Currency]
+			currency, isCurrency := currencyMap[account.Currency]
+			currencyPrice := entry.Price
+			if currencyPrice.Equal(zero) {
+				currencyPrice, _ = decimal.NewFromString(currency.Price)
+			}
 			// 货币跳过汇率转换
 			if !isCurrency {
 				// 根据 number 的正负来判断是买入还是卖出
@@ -194,6 +197,10 @@ func saveTransaction(c *gin.Context, addTransactionForm AddTransactionForm, ledg
 					// {} @ 359.019 CNY
 					line += fmt.Sprintf(" {} @ %s %s", entry.Price, ledgerConfig.OperatingCurrency)
 				}
+			} else {
+				// 外币种格式：Assets:Fixed:三顿半咖啡 -1.00 SATURN_BIRD {5.61 CNY}
+				// fix issue #66 https://github.com/BaoXuebin/beancount-gs/issues/66
+				line += fmt.Sprintf(" {%s %s}", currencyPrice, ledgerConfig.OperatingCurrency)
 			}
 
 			priceLine := fmt.Sprintf("%s price %s %s %s", addTransactionForm.Date, account.Currency, entry.Price, ledgerConfig.OperatingCurrency)
diff --git a/tests/main.go b/tests/main.go
deleted file mode 100644
index edb936c..0000000
--- a/tests/main.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package tests
-
-import (
-	"fmt"
-	"reflect"
-)
-
-type Student struct {
-	Name string
-}
-
-func Test(i interface{}) {
-	t := reflect.TypeOf(i)
-	k := t.Kind()
-	v := reflect.ValueOf(i)
-	fmt.Printf("type: %s, kind: %s, value: %s", t, k, v)
-}
diff --git a/tests/main_test.go b/tests/main_test.go
new file mode 100644
index 0000000..27fee81
--- /dev/null
+++ b/tests/main_test.go
@@ -0,0 +1,38 @@
+package tests
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestPingRoute(t *testing.T) {
+	// 设置Gin的模式为测试模式
+	gin.SetMode(gin.TestMode)
+
+	// 创建一个Gin引擎
+	r := gin.Default()
+
+	// 定义测试路由处理程序
+	r.GET("/ping", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"message": "pong"})
+	})
+
+	// 创建一个模拟的HTTP请求
+	req, err := http.NewRequest(http.MethodGet, "/ping", nil)
+	assert.NoError(t, err)
+
+	// 使用httptest包创建一个ResponseRecorder，用于记录响应
+	w := httptest.NewRecorder()
+
+	// 使用Gin的ServeHTTP方法处理请求
+	r.ServeHTTP(w, req)
+
+	// 断言状态码为200
+	assert.Equal(t, http.StatusOK, w.Code)
+
+	// 断言响应体中的内容
+	assert.JSONEq(t, `{"message": "pong"}`, w.Body.String())
+}