115 lines
3.1 KiB
Go
115 lines
3.1 KiB
Go
package resource
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import (
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"context"
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"fmt"
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"voidraft/internal/models/ent"
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"voidraft/internal/models/ent/theme"
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"voidraft/internal/syncer/snapshot"
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)
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// ThemeAdapter 负责主题资源的快照导入导出。
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type ThemeAdapter struct {
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client *ent.Client
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}
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// NewThemeAdapter 创建主题适配器。
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func NewThemeAdapter(client *ent.Client) *ThemeAdapter {
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return &ThemeAdapter{client: client}
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}
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// Kind 返回适配器负责的资源类型。
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func (a *ThemeAdapter) Kind() string {
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return "themes"
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}
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// Export 导出主题快照记录。
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func (a *ThemeAdapter) Export(ctx context.Context) ([]snapshot.Record, error) {
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themes, err := a.client.Theme.Query().Order(theme.ByUUID()).All(exportContext(ctx))
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if err != nil {
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return nil, err
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}
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records := make([]snapshot.Record, 0, len(themes))
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for _, item := range themes {
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values := map[string]interface{}{
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theme.FieldUUID: item.UUID,
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theme.FieldCreatedAt: item.CreatedAt,
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theme.FieldUpdatedAt: item.UpdatedAt,
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theme.FieldName: item.Name,
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theme.FieldType: item.Type.String(),
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theme.FieldColors: cloneMap(item.Colors),
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}
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if item.DeletedAt != nil {
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values[theme.FieldDeletedAt] = *item.DeletedAt
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}
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record, err := snapshot.NewRecord(a.Kind(), item.UUID, values, nil)
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if err != nil {
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return nil, fmt.Errorf("build theme record %s: %w", item.UUID, err)
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}
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records = append(records, record)
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}
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return records, nil
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}
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// Apply 将快照记录应用到本地主题表。
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func (a *ThemeAdapter) Apply(ctx context.Context, records []snapshot.Record) error {
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applyCtx := importContext(ctx)
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for _, record := range records {
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found, err := a.client.Theme.Query().Where(theme.UUIDEQ(record.ID)).First(applyCtx)
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switch {
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case ent.IsNotFound(err):
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if err := a.create(applyCtx, record); err != nil {
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return err
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}
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case err != nil:
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return err
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default:
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if shouldApplyRecord(found.UpdatedAt, record) {
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if err := a.update(applyCtx, found.ID, record); err != nil {
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return err
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}
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}
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}
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}
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return nil
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}
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// create 创建新的主题记录。
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func (a *ThemeAdapter) create(ctx context.Context, record snapshot.Record) error {
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builder := a.client.Theme.Create().
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SetUUID(record.ID).
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SetName(stringValue(record, theme.FieldName)).
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SetType(theme.Type(stringValue(record, theme.FieldType))).
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SetColors(mapValue(record, theme.FieldColors)).
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SetCreatedAt(stringValue(record, theme.FieldCreatedAt)).
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SetUpdatedAt(stringValue(record, theme.FieldUpdatedAt))
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if deletedAt := recordDeletedAtString(record); deletedAt != nil {
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builder.SetDeletedAt(*deletedAt)
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}
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return builder.Exec(ctx)
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}
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// update 更新已有主题记录。
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func (a *ThemeAdapter) update(ctx context.Context, id int, record snapshot.Record) error {
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builder := a.client.Theme.UpdateOneID(id).
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SetName(stringValue(record, theme.FieldName)).
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SetType(theme.Type(stringValue(record, theme.FieldType))).
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SetColors(mapValue(record, theme.FieldColors)).
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SetUpdatedAt(stringValue(record, theme.FieldUpdatedAt))
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if deletedAt := recordDeletedAtString(record); deletedAt != nil {
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builder.SetDeletedAt(*deletedAt)
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} else {
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builder.ClearDeletedAt()
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}
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return builder.Exec(ctx)
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}
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