/**
* Location: src/database/migration/LegacyFileScanner.ts
*
* Scans for legacy JSON files in .workspaces and .conversations folders.
* Uses vault.adapter for hidden folder support.
*/
import { App } from 'obsidian';
export class LegacyFileScanner {
private app: App;
private legacyWorkspacesPath = '.workspaces';
private legacyConversationsPath = '.conversations';
constructor(app: App) {
this.app = app;
}
/**
* Check if legacy workspaces folder exists and has data
*/
async hasLegacyWorkspaces(): Promise<boolean> {
try {
const exists = await this.app.vault.adapter.exists(this.legacyWorkspacesPath);
if (!exists) return false;
const listing = await this.app.vault.adapter.list(this.legacyWorkspacesPath);
const jsonFiles = listing.files.filter(f => f.endsWith('.json') && !f.endsWith('index.json'));
return jsonFiles.length > 0;
} catch (error) {
return false;
}
}
/**
* Check if legacy conversations folder exists and has data
*/
async hasLegacyConversations(): Promise<boolean> {
try {
const exists = await this.app.vault.adapter.exists(this.legacyConversationsPath);
if (!exists) return false;
const listing = await this.app.vault.adapter.list(this.legacyConversationsPath);
const jsonFiles = listing.files.filter(f => f.endsWith('.json') && !f.endsWith('index.json'));
return jsonFiles.length > 0;
} catch (error) {
return false;
}
}
/**
* List all workspace JSON file paths in legacy folder
*/
async listLegacyWorkspaceFilePaths(): Promise<string[]> {
try {
const exists = await this.app.vault.adapter.exists(this.legacyWorkspacesPath);
if (!exists) {
return [];
}
const listing = await this.app.vault.adapter.list(this.legacyWorkspacesPath);
return listing.files.filter(f => {
// Must be .json file
if (!f.endsWith('.json')) return false;
// Skip index and schema files
const filename = f.split('/').pop() || '';
if (filename === 'index.json') return false;
if (filename.startsWith('.')) return false;
if (filename.includes('schema')) return false;
return true;
});
} catch (error) {
console.error('[LegacyFileScanner] Error listing workspace files:', error);
return [];
}
}
/**
* List all conversation JSON file paths in legacy folder
*/
async listLegacyConversationFilePaths(): Promise<string[]> {
try {
const exists = await this.app.vault.adapter.exists(this.legacyConversationsPath);
if (!exists) {
return [];
}
const listing = await this.app.vault.adapter.list(this.legacyConversationsPath);
return listing.files.filter(f => f.endsWith('.json') && !f.endsWith('index.json'));
} catch (error) {
console.error('[LegacyFileScanner] Error listing conversation files:', error);
return [];
}
}
/**
* Read file content via adapter (works for hidden files)
*/
async readFile(path: string): Promise<string | null> {
try {
return await this.app.vault.adapter.read(path);
} catch (error) {
console.error(`[LegacyFileScanner] Error reading file ${path}:`, error);
return null;
}
}
}
