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package ui
import (
"fmt"
"time"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/dialog"
"github.com/shiv/internal/logger"
"github.com/shiv/internal/store"
)
// exportHAR exports all transactions matching the current filter to a HAR file.
// It paginates through the DB so all rows are exported, not just the visible page.
func (h *historyTab) exportHAR() {
if len(h.displayed) == 0 {
dialog.ShowInformation("Export HAR", "No transactions to export.", h.win)
return
}
f := h.currentFilter()
go func() {
// Paginate through all matching rows from DB.
var all []store.Transaction
var cursor uint64
for {
page, err := h.projectStore.TransactionsPage(cursor, f)
if err != nil {
fyne.Do(func() {
dialog.ShowError(fmt.Errorf("HAR export failed: %w", err), h.win)
})
return
}
if len(page) == 0 {
break
}
all = append(all, page...)
if len(page) < store.PageSize {
break
}
cursor = page[len(page)-1].ID
}
if len(all) == 0 {
fyne.Do(func() {
dialog.ShowInformation("Export HAR", "No transactions to export.", h.win)
})
return
}
// Fetch full bodies — page rows omit bodies for performance.
full := make([]store.Transaction, 0, len(all))
for _, tx := range all {
fullTx, err := h.projectStore.GetTransaction(tx.ID)
if err != nil {
logger.Error("har: get transaction %d: %v", tx.ID, err)
full = append(full, tx)
continue
}
full = append(full, *fullTx)
}
data, err := store.ExportHAR(full)
if err != nil {
fyne.Do(func() {
dialog.ShowError(fmt.Errorf("HAR export failed: %w", err), h.win)
})
return
}
fyne.Do(func() {
saveDialog := dialog.NewFileSave(func(wc fyne.URIWriteCloser, err error) {
if err != nil || wc == nil {
return
}
defer wc.Close()
if _, err := wc.Write(data); err != nil {
logger.Error("har: write: %v", err)
dialog.ShowError(err, h.win)
}
}, h.win)
saveDialog.SetFileName(fmt.Sprintf("shiv-%s.har", time.Now().Format("2006-01-02-150405")))
saveDialog.Show()
})
}()
}
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