42 lines
787 B
Go
42 lines
787 B
Go
package ledger
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import (
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"github.com/howeyc/ledger"
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)
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type File string
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func NewFile(p string) (File, error) {
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f := File(p)
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_, err := f.Deltas()
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return f, err
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}
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func (file File) Deltas(likes ...Like) ([]Delta, error) {
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transactions, err := file.transactions()
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if err != nil {
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return nil, err
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}
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result := make([]Delta, 0, len(transactions)*2)
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for _, transaction := range transactions {
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for _, delta := range newDeltas(transaction) {
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if got := func() bool {
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for _, like := range likes {
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if !like(delta) {
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return false
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}
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}
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return true
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}(); !got {
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continue
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}
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result = append(result, delta)
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}
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}
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return result, nil
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}
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func (file File) transactions() ([]*ledger.Transaction, error) {
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return ledger.ParseLedgerFile(string(file))
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}
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