105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package render
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import "github.com/rs/zerolog/log"
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// TableData tracks a K8s resource for tabular display.
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type TableData struct {
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Header Header
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RowEvents RowEvents
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Namespace string
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}
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// NewTableData returns a new table.
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func NewTableData() *TableData {
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return &TableData{}
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}
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func (t *TableData) Customize(cols []string, wide bool) TableData {
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res := TableData{
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Namespace: t.Namespace,
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Header: t.Header.Customize(cols, wide),
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}
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ids := make([]int, len(t.Header))
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t.Header.MapIndices(cols, wide, ids)
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log.Debug().Msgf("INDICES %#v", ids)
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res.RowEvents = t.RowEvents.Customize(ids)
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return res
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}
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// Clear clears out the entire table.
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func (t *TableData) Clear() {
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t.Header, t.RowEvents = Header{}, RowEvents{}
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}
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// Clone returns a copy of the table
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func (t *TableData) Clone() TableData {
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return TableData{
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Header: t.Header.Clone(),
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RowEvents: t.RowEvents.Clone(),
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Namespace: t.Namespace,
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}
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}
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// SetHeader sets table header.
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func (t *TableData) SetHeader(ns string, h Header) {
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t.Namespace, t.Header = ns, h
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}
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// Update computes row deltas and update the table data.
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func (t *TableData) Update(rows Rows) {
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empty := len(t.RowEvents) == 0
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kk := make(map[string]struct{}, len(rows))
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var blankDelta DeltaRow
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for _, row := range rows {
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kk[row.ID] = struct{}{}
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if empty {
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t.RowEvents = append(t.RowEvents, NewRowEvent(EventAdd, row))
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continue
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}
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if index, ok := t.RowEvents.FindIndex(row.ID); ok {
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delta := NewDeltaRow(t.RowEvents[index].Row, row, t.Header.HasAge())
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if delta.IsBlank() {
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t.RowEvents[index].Kind, t.RowEvents[index].Deltas = EventUnchanged, blankDelta
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t.RowEvents[index].Row = row
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} else {
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t.RowEvents[index] = NewDeltaRowEvent(row, delta)
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}
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continue
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}
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t.RowEvents = append(t.RowEvents, NewRowEvent(EventAdd, row))
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}
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if !empty {
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t.Delete(kk)
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}
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}
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// Delete removes items in cache that are no longer valid.
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func (t *TableData) Delete(newKeys map[string]struct{}) {
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var victims []string
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for _, re := range t.RowEvents {
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if _, ok := newKeys[re.Row.ID]; !ok {
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victims = append(victims, re.Row.ID)
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}
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}
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for _, id := range victims {
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t.RowEvents = t.RowEvents.Delete(id)
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}
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}
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// Diff checks if two tables are equal.
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func (t *TableData) Diff(table TableData) bool {
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if t.Namespace != table.Namespace {
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return true
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}
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if t.Header.Diff(table.Header) {
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return true
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}
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return t.RowEvents.Diff(table.RowEvents, t.Header.IndexOf("AGE", true))
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}
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