code refactor

pkg/converters/imported_transactions.go

@@ -0,0 +1,29 @@
+package converters
+
+import "github.com/mayswind/ezbookkeeping/pkg/models"
+
+// ImportedTransactionSlice represents the slice data structure of import transaction data
+type ImportedTransactionSlice []*models.Transaction
+
+// Len returns the count of items
+func (s ImportedTransactionSlice) Len() int {
+	return len(s)
+}
+
+// Swap swaps two items
+func (s ImportedTransactionSlice) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+
+// Less reports whether the first item is less than the second one
+func (s ImportedTransactionSlice) Less(i, j int) bool {
+	if s[i].Type != s[j].Type && (s[i].Type == models.TRANSACTION_DB_TYPE_MODIFY_BALANCE || s[j].Type == models.TRANSACTION_DB_TYPE_MODIFY_BALANCE) {
+		if s[i].Type == models.TRANSACTION_DB_TYPE_MODIFY_BALANCE {
+			return true
+		} else if s[j].Type == models.TRANSACTION_DB_TYPE_MODIFY_BALANCE {
+			return false
+		}
+	}
+
+	return s[i].TransactionTime < s[j].TransactionTime
+}