import transaction from beancount file

pkg/converters/beancount/beancount_data.go

@@ -0,0 +1,93 @@
+package beancount
+
+import "strings"
+
+const beancountEquityAccountNameOpeningBalance = "Opening-Balances"
+
+// beancountDirective represents the Beancount directive
+type beancountDirective string
+
+// Beancount directives
+const (
+	beancountDirectiveOpen                  beancountDirective = "open"
+	beancountDirectiveClose                 beancountDirective = "close"
+	beancountDirectiveTransaction           beancountDirective = "txn"
+	beancountDirectiveCompletedTransaction  beancountDirective = "*"
+	beancountDirectiveInCompleteTransaction beancountDirective = "!"
+	beancountDirectivePaddingTransaction    beancountDirective = "P"
+	beancountDirectiveCommodity             beancountDirective = "commodity"
+	beancountDirectivePrice                 beancountDirective = "price"
+	beancountDirectiveNote                  beancountDirective = "note"
+	beancountDirectiveDocument              beancountDirective = "document"
+	beancountDirectiveEvent                 beancountDirective = "event"
+	beancountDirectiveBalance               beancountDirective = "balance"
+	beancountDirectivePad                   beancountDirective = "pad"
+	beancountDirectiveQuery                 beancountDirective = "query"
+	beancountDirectiveCustom                beancountDirective = "custom"
+)
+
+// beancountAccountType represents the Beancount account type
+type beancountAccountType byte
+
+// Beancount account types
+const (
+	beancountUnknownAccountType     beancountAccountType = 0
+	beancountAssetsAccountType      beancountAccountType = 1
+	beancountLiabilitiesAccountType beancountAccountType = 2
+	beancountEquityAccountType      beancountAccountType = 3
+	beancountIncomeAccountType      beancountAccountType = 4
+	beancountExpensesAccountType    beancountAccountType = 5
+)
+
+// beancountData defines the structure of beancount data
+type beancountData struct {
+	accounts     map[string]*beancountAccount
+	transactions []*beancountTransactionEntry
+}
+
+// beancountAccount defines the structure of beancount account
+type beancountAccount struct {
+	name        string
+	accountType beancountAccountType
+	openDate    string
+	closeDate   string
+}
+
+// beancountTransactionEntry defines the structure of beancount transaction entry
+type beancountTransactionEntry struct {
+	date      string
+	directive beancountDirective
+	payee     string
+	narration string
+	postings  []*beancountPosting
+	tags      []string
+	links     []string
+	metadata  map[string]string
+}
+
+// beancountPosting defines the structure of beancount transaction posting
+type beancountPosting struct {
+	account            string
+	amount             string
+	originalAmount     string
+	commodity          string
+	totalCost          string
+	totalCostCommodity string
+	price              string
+	priceCommodity     string
+	metadata           map[string]string
+}
+
+func (a *beancountAccount) isOpeningBalanceEquityAccount() bool {
+	if a.accountType != beancountEquityAccountType {
+		return false
+	}
+
+	nameItems := strings.Split(a.name, string(beancountMetadataKeySuffix))
+
+	if len(nameItems) != 2 {
+		return false
+	}
+
+	return nameItems[1] == beancountEquityAccountNameOpeningBalance
+}