21 lines
667 B
TypeScript
21 lines
667 B
TypeScript
import type { UndoOperation, UndoStackEntry } from '../../shared/undo'
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import { UndoStackRepository } from '../db/repositories/undo.repo'
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import type { SqliteDb } from '../db/types'
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export class UndoStackService {
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constructor(private db: SqliteDb) {}
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push(chapterId: string, operation: UndoOperation): UndoStackEntry {
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return new UndoStackRepository(this.db).push(chapterId, operation)
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}
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list(chapterId: string): UndoStackEntry[] {
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return new UndoStackRepository(this.db).list(chapterId)
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}
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apply(entryId: number): UndoOperation | null {
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const entry = new UndoStackRepository(this.db).get(entryId)
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return entry?.operation ?? null
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}
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}
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