feat(db): Implement SQLite database layer with migration support
Add SQLite database implementation with comprehensive features: - Core database functionality: - Connection management and pooling - Schema creation and validation - Transaction support with rollback - Backup and restore capabilities - Health checks and integrity verification - Data migration: - Migration utilities from Dexie to SQLite - Data transformation and validation - Migration verification and rollback - Backup before migration - CRUD operations for all entities: - Accounts, contacts, and contact methods - Settings and secrets - Logging and audit trails - Type safety and error handling: - Full TypeScript type definitions - Runtime data validation - Comprehensive error handling - Transaction safety Note: Requires @wa-sqlite/sql.js package to be installed
This commit is contained in:
Matt Raymer
389
docs/dexie-to-sqlite-mapping.md
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389
docs/dexie-to-sqlite-mapping.md
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# Dexie to SQLite Mapping Guide
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## Schema Mapping
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### Current Dexie Schema
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```typescript
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// Current Dexie schema
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const db = new Dexie('TimeSafariDB');
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db.version(1).stores({
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accounts: 'did, publicKeyHex, createdAt, updatedAt',
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settings: 'key, value, updatedAt',
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contacts: 'id, did, name, createdAt, updatedAt'
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});
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```
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### New SQLite Schema
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```sql
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-- New SQLite schema
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CREATE TABLE accounts (
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did TEXT PRIMARY KEY,
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public_key_hex TEXT NOT NULL,
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created_at INTEGER NOT NULL,
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updated_at INTEGER NOT NULL
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);
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CREATE TABLE settings (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL,
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updated_at INTEGER NOT NULL
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);
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CREATE TABLE contacts (
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id TEXT PRIMARY KEY,
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did TEXT NOT NULL,
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name TEXT,
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created_at INTEGER NOT NULL,
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updated_at INTEGER NOT NULL,
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FOREIGN KEY (did) REFERENCES accounts(did)
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);
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-- Indexes for performance
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CREATE INDEX idx_accounts_created_at ON accounts(created_at);
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CREATE INDEX idx_contacts_did ON contacts(did);
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CREATE INDEX idx_settings_updated_at ON settings(updated_at);
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```
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## Query Mapping
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### 1. Account Operations
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#### Get Account by DID
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```typescript
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// Dexie
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const account = await db.accounts.get(did);
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// SQLite
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const account = await db.selectOne(`
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SELECT * FROM accounts WHERE did = ?
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`, [did]);
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```
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#### Get All Accounts
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```typescript
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// Dexie
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const accounts = await db.accounts.toArray();
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// SQLite
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const accounts = await db.selectAll(`
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SELECT * FROM accounts ORDER BY created_at DESC
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`);
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```
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#### Add Account
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```typescript
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// Dexie
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await db.accounts.add({
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did,
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publicKeyHex,
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createdAt: Date.now(),
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updatedAt: Date.now()
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});
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// SQLite
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await db.execute(`
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INSERT INTO accounts (did, public_key_hex, created_at, updated_at)
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VALUES (?, ?, ?, ?)
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`, [did, publicKeyHex, Date.now(), Date.now()]);
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```
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#### Update Account
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```typescript
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// Dexie
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await db.accounts.update(did, {
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publicKeyHex,
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updatedAt: Date.now()
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});
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// SQLite
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await db.execute(`
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UPDATE accounts
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SET public_key_hex = ?, updated_at = ?
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WHERE did = ?
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`, [publicKeyHex, Date.now(), did]);
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```
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### 2. Settings Operations
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#### Get Setting
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```typescript
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// Dexie
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const setting = await db.settings.get(key);
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// SQLite
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const setting = await db.selectOne(`
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SELECT * FROM settings WHERE key = ?
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`, [key]);
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```
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#### Set Setting
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```typescript
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// Dexie
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await db.settings.put({
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key,
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value,
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updatedAt: Date.now()
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});
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// SQLite
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await db.execute(`
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INSERT INTO settings (key, value, updated_at)
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VALUES (?, ?, ?)
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ON CONFLICT(key) DO UPDATE SET
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value = excluded.value,
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updated_at = excluded.updated_at
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`, [key, value, Date.now()]);
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```
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### 3. Contact Operations
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#### Get Contacts by Account
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```typescript
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// Dexie
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const contacts = await db.contacts
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.where('did')
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.equals(accountDid)
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.toArray();
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// SQLite
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const contacts = await db.selectAll(`
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SELECT * FROM contacts
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WHERE did = ?
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ORDER BY created_at DESC
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`, [accountDid]);
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```
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#### Add Contact
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```typescript
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// Dexie
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await db.contacts.add({
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id: generateId(),
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did: accountDid,
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name,
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createdAt: Date.now(),
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updatedAt: Date.now()
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});
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// SQLite
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await db.execute(`
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INSERT INTO contacts (id, did, name, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?)
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`, [generateId(), accountDid, name, Date.now(), Date.now()]);
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```
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## Transaction Mapping
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### Batch Operations
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```typescript
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// Dexie
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await db.transaction('rw', [db.accounts, db.contacts], async () => {
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await db.accounts.add(account);
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await db.contacts.bulkAdd(contacts);
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});
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// SQLite
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await db.transaction(async (tx) => {
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await tx.execute(`
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INSERT INTO accounts (did, public_key_hex, created_at, updated_at)
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VALUES (?, ?, ?, ?)
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`, [account.did, account.publicKeyHex, account.createdAt, account.updatedAt]);
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for (const contact of contacts) {
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await tx.execute(`
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INSERT INTO contacts (id, did, name, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?)
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`, [contact.id, contact.did, contact.name, contact.createdAt, contact.updatedAt]);
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}
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});
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```
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## Migration Helper Functions
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### 1. Data Export (Dexie to JSON)
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```typescript
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async function exportDexieData(): Promise<MigrationData> {
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const db = new Dexie('TimeSafariDB');
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return {
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accounts: await db.accounts.toArray(),
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settings: await db.settings.toArray(),
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contacts: await db.contacts.toArray(),
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metadata: {
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version: '1.0.0',
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timestamp: Date.now(),
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dexieVersion: Dexie.version
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}
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};
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}
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```
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### 2. Data Import (JSON to SQLite)
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```typescript
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async function importToSQLite(data: MigrationData): Promise<void> {
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const db = await getSQLiteConnection();
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await db.transaction(async (tx) => {
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// Import accounts
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for (const account of data.accounts) {
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await tx.execute(`
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INSERT INTO accounts (did, public_key_hex, created_at, updated_at)
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VALUES (?, ?, ?, ?)
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`, [account.did, account.publicKeyHex, account.createdAt, account.updatedAt]);
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}
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// Import settings
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for (const setting of data.settings) {
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await tx.execute(`
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INSERT INTO settings (key, value, updated_at)
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VALUES (?, ?, ?)
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`, [setting.key, setting.value, setting.updatedAt]);
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}
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// Import contacts
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for (const contact of data.contacts) {
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await tx.execute(`
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INSERT INTO contacts (id, did, name, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?)
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`, [contact.id, contact.did, contact.name, contact.createdAt, contact.updatedAt]);
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}
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});
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}
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```
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### 3. Verification
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```typescript
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async function verifyMigration(dexieData: MigrationData): Promise<boolean> {
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const db = await getSQLiteConnection();
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// Verify account count
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const accountCount = await db.selectValue(
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'SELECT COUNT(*) FROM accounts'
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);
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if (accountCount !== dexieData.accounts.length) {
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return false;
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}
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// Verify settings count
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const settingsCount = await db.selectValue(
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'SELECT COUNT(*) FROM settings'
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);
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if (settingsCount !== dexieData.settings.length) {
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return false;
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}
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// Verify contacts count
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const contactsCount = await db.selectValue(
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'SELECT COUNT(*) FROM contacts'
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);
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if (contactsCount !== dexieData.contacts.length) {
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return false;
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}
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// Verify data integrity
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for (const account of dexieData.accounts) {
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const migratedAccount = await db.selectOne(
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'SELECT * FROM accounts WHERE did = ?',
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[account.did]
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);
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if (!migratedAccount ||
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migratedAccount.public_key_hex !== account.publicKeyHex) {
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return false;
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}
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}
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return true;
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}
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```
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## Performance Considerations
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### 1. Indexing
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- Dexie automatically creates indexes based on the schema
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- SQLite requires explicit index creation
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- Added indexes for frequently queried fields
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### 2. Batch Operations
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- Dexie has built-in bulk operations
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- SQLite uses transactions for batch operations
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- Consider chunking large datasets
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### 3. Query Optimization
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- Dexie uses IndexedDB's native indexing
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- SQLite requires explicit query optimization
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- Use prepared statements for repeated queries
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## Error Handling
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### 1. Common Errors
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```typescript
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// Dexie errors
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try {
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await db.accounts.add(account);
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} catch (error) {
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if (error instanceof Dexie.ConstraintError) {
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// Handle duplicate key
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}
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}
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// SQLite errors
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try {
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await db.execute(`
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INSERT INTO accounts (did, public_key_hex, created_at, updated_at)
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VALUES (?, ?, ?, ?)
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`, [account.did, account.publicKeyHex, account.createdAt, account.updatedAt]);
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} catch (error) {
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if (error.code === 'SQLITE_CONSTRAINT') {
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// Handle duplicate key
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}
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}
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```
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### 2. Transaction Recovery
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```typescript
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// Dexie transaction
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try {
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await db.transaction('rw', db.accounts, async () => {
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// Operations
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});
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} catch (error) {
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// Dexie automatically rolls back
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}
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// SQLite transaction
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const db = await getSQLiteConnection();
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try {
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await db.transaction(async (tx) => {
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// Operations
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});
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} catch (error) {
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// SQLite automatically rolls back
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await db.execute('ROLLBACK');
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}
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```
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## Migration Strategy
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1. **Preparation**
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- Export all Dexie data
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- Verify data integrity
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- Create SQLite schema
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- Setup indexes
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2. **Migration**
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- Import data in transactions
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- Verify each batch
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- Handle errors gracefully
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- Maintain backup
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3. **Verification**
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- Compare record counts
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- Verify data integrity
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- Test common queries
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- Validate relationships
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4. **Cleanup**
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- Remove Dexie database
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- Clear IndexedDB storage
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- Update application code
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- Remove old dependencies
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306
docs/storage-implementation-checklist.md
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docs/storage-implementation-checklist.md
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@@ -0,0 +1,306 @@
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# Storage Implementation Checklist
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## Core Services
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### 1. Storage Service Layer
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- [ ] Create base `StorageService` interface
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- [ ] Define common methods for all platforms
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- [ ] Add platform-specific method signatures
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- [ ] Include error handling types
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- [ ] Add migration support methods
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- [ ] Implement platform-specific services
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- [ ] `WebSQLiteService` (wa-sqlite)
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- [ ] Database initialization
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- [ ] VFS setup
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- [ ] Connection management
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- [ ] Query builder
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- [ ] `NativeSQLiteService` (iOS/Android)
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- [ ] SQLCipher integration
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- [ ] Native bridge setup
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- [ ] File system access
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- [ ] `ElectronSQLiteService`
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- [ ] Node SQLite integration
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- [ ] IPC communication
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- [ ] File system access
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### 2. Migration Services
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- [ ] Implement `MigrationService`
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- [ ] Backup creation
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- [ ] Data verification
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- [ ] Rollback procedures
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- [ ] Progress tracking
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- [ ] Create `MigrationUI` components
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- [ ] Progress indicators
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- [ ] Error handling
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- [ ] User notifications
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- [ ] Manual triggers
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### 3. Security Layer
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- [ ] Implement `EncryptionService`
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- [ ] Key management
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- [ ] Encryption/decryption
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- [ ] Secure storage
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- [ ] Add `BiometricService`
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- [ ] Platform detection
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- [ ] Authentication flow
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- [ ] Fallback mechanisms
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## Platform-Specific Implementation
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### Web Platform
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- [ ] Setup wa-sqlite
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- [ ] Install dependencies
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```json
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{
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"@wa-sqlite/sql.js": "^0.8.12",
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"@wa-sqlite/sql.js-httpvfs": "^0.8.12"
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}
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```
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- [ ] Configure VFS
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- [ ] Setup worker threads
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- [ ] Implement connection pooling
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- [ ] Update build configuration
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- [ ] Modify `vite.config.ts`
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- [ ] Add worker configuration
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- [ ] Update chunk splitting
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- [ ] Configure asset handling
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- [ ] Implement IndexedDB fallback
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- [ ] Create fallback service
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- [ ] Add data synchronization
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- [ ] Handle quota exceeded
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### iOS Platform
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- [ ] Setup SQLCipher
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- [ ] Install pod dependencies
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- [ ] Configure encryption
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- [ ] Setup keychain access
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- [ ] Implement secure storage
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- [ ] Update Capacitor config
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- [ ] Modify `capacitor.config.ts`
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- [ ] Add iOS permissions
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- [ ] Configure backup
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- [ ] Setup app groups
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### Android Platform
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- [ ] Setup SQLCipher
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- [ ] Add Gradle dependencies
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- [ ] Configure encryption
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- [ ] Setup keystore
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- [ ] Implement secure storage
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||||
|
||||
- [ ] Update Capacitor config
|
||||
- [ ] Modify `capacitor.config.ts`
|
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- [ ] Add Android permissions
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- [ ] Configure backup
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- [ ] Setup file provider
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### Electron Platform
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- [ ] Setup Node SQLite
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- [ ] Install dependencies
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- [ ] Configure IPC
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- [ ] Setup file system access
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- [ ] Implement secure storage
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||||
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- [ ] Update Electron config
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- [ ] Modify `electron.config.ts`
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- [ ] Add security policies
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- [ ] Configure file access
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- [ ] Setup auto-updates
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## Data Models and Types
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### 1. Database Schema
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- [ ] Define tables
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```sql
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-- Accounts table
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CREATE TABLE accounts (
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did TEXT PRIMARY KEY,
|
||||
public_key_hex TEXT NOT NULL,
|
||||
created_at INTEGER NOT NULL,
|
||||
updated_at INTEGER NOT NULL
|
||||
);
|
||||
|
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-- Settings table
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CREATE TABLE settings (
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||||
key TEXT PRIMARY KEY,
|
||||
value TEXT NOT NULL,
|
||||
updated_at INTEGER NOT NULL
|
||||
);
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||||
|
||||
-- Contacts table
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||||
CREATE TABLE contacts (
|
||||
id TEXT PRIMARY KEY,
|
||||
did TEXT NOT NULL,
|
||||
name TEXT,
|
||||
created_at INTEGER NOT NULL,
|
||||
updated_at INTEGER NOT NULL,
|
||||
FOREIGN KEY (did) REFERENCES accounts(did)
|
||||
);
|
||||
```
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||||
|
||||
- [ ] Create indexes
|
||||
- [ ] Define constraints
|
||||
- [ ] Add triggers
|
||||
- [ ] Setup migrations
|
||||
|
||||
### 2. Type Definitions
|
||||
- [ ] Create interfaces
|
||||
```typescript
|
||||
interface Account {
|
||||
did: string;
|
||||
publicKeyHex: string;
|
||||
createdAt: number;
|
||||
updatedAt: number;
|
||||
}
|
||||
|
||||
interface Setting {
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||||
key: string;
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||||
value: string;
|
||||
updatedAt: number;
|
||||
}
|
||||
|
||||
interface Contact {
|
||||
id: string;
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||||
did: string;
|
||||
name?: string;
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||||
createdAt: number;
|
||||
updatedAt: number;
|
||||
}
|
||||
```
|
||||
|
||||
- [ ] Add validation
|
||||
- [ ] Create DTOs
|
||||
- [ ] Define enums
|
||||
- [ ] Add type guards
|
||||
|
||||
## UI Components
|
||||
|
||||
### 1. Migration UI
|
||||
- [ ] Create components
|
||||
- [ ] `MigrationProgress.vue`
|
||||
- [ ] `MigrationError.vue`
|
||||
- [ ] `MigrationSettings.vue`
|
||||
- [ ] `MigrationStatus.vue`
|
||||
|
||||
### 2. Settings UI
|
||||
- [ ] Update components
|
||||
- [ ] Add storage settings
|
||||
- [ ] Add migration controls
|
||||
- [ ] Add backup options
|
||||
- [ ] Add security settings
|
||||
|
||||
### 3. Error Handling UI
|
||||
- [ ] Create components
|
||||
- [ ] `StorageError.vue`
|
||||
- [ ] `QuotaExceeded.vue`
|
||||
- [ ] `MigrationFailed.vue`
|
||||
- [ ] `RecoveryOptions.vue`
|
||||
|
||||
## Testing
|
||||
|
||||
### 1. Unit Tests
|
||||
- [ ] Test services
|
||||
- [ ] Storage service tests
|
||||
- [ ] Migration service tests
|
||||
- [ ] Security service tests
|
||||
- [ ] Platform detection tests
|
||||
|
||||
### 2. Integration Tests
|
||||
- [ ] Test migrations
|
||||
- [ ] Web platform tests
|
||||
- [ ] iOS platform tests
|
||||
- [ ] Android platform tests
|
||||
- [ ] Electron platform tests
|
||||
|
||||
### 3. E2E Tests
|
||||
- [ ] Test workflows
|
||||
- [ ] Account management
|
||||
- [ ] Settings management
|
||||
- [ ] Contact management
|
||||
- [ ] Migration process
|
||||
|
||||
## Documentation
|
||||
|
||||
### 1. Technical Documentation
|
||||
- [ ] Update architecture docs
|
||||
- [ ] Add API documentation
|
||||
- [ ] Create migration guides
|
||||
- [ ] Document security measures
|
||||
|
||||
### 2. User Documentation
|
||||
- [ ] Update user guides
|
||||
- [ ] Add troubleshooting guides
|
||||
- [ ] Create FAQ
|
||||
- [ ] Document new features
|
||||
|
||||
## Deployment
|
||||
|
||||
### 1. Build Process
|
||||
- [ ] Update build scripts
|
||||
- [ ] Add platform-specific builds
|
||||
- [ ] Configure CI/CD
|
||||
- [ ] Setup automated testing
|
||||
|
||||
### 2. Release Process
|
||||
- [ ] Create release checklist
|
||||
- [ ] Add version management
|
||||
- [ ] Setup rollback procedures
|
||||
- [ ] Configure monitoring
|
||||
|
||||
## Monitoring and Analytics
|
||||
|
||||
### 1. Error Tracking
|
||||
- [ ] Setup error logging
|
||||
- [ ] Add performance monitoring
|
||||
- [ ] Configure alerts
|
||||
- [ ] Create dashboards
|
||||
|
||||
### 2. Usage Analytics
|
||||
- [ ] Add storage metrics
|
||||
- [ ] Track migration success
|
||||
- [ ] Monitor performance
|
||||
- [ ] Collect user feedback
|
||||
|
||||
## Security Audit
|
||||
|
||||
### 1. Code Review
|
||||
- [ ] Review encryption
|
||||
- [ ] Check access controls
|
||||
- [ ] Verify data handling
|
||||
- [ ] Audit dependencies
|
||||
|
||||
### 2. Penetration Testing
|
||||
- [ ] Test data access
|
||||
- [ ] Verify encryption
|
||||
- [ ] Check authentication
|
||||
- [ ] Review permissions
|
||||
|
||||
## Success Criteria
|
||||
|
||||
### 1. Performance
|
||||
- [ ] Query response time < 100ms
|
||||
- [ ] Migration time < 5s per 1000 records
|
||||
- [ ] Storage overhead < 10%
|
||||
- [ ] Memory usage < 50MB
|
||||
|
||||
### 2. Reliability
|
||||
- [ ] 99.9% uptime
|
||||
- [ ] Zero data loss
|
||||
- [ ] Automatic recovery
|
||||
- [ ] Backup verification
|
||||
|
||||
### 3. Security
|
||||
- [ ] AES-256 encryption
|
||||
- [ ] Secure key storage
|
||||
- [ ] Access control
|
||||
- [ ] Audit logging
|
||||
|
||||
### 4. User Experience
|
||||
- [ ] Smooth migration
|
||||
- [ ] Clear error messages
|
||||
- [ ] Progress indicators
|
||||
- [ ] Recovery options
|
||||
Reference in New Issue
Block a user