refactored di into more composable parts

This commit is contained in:
Boki 2025-06-22 21:47:39 -04:00
parent 177fe30586
commit 26ebc77fe6
22 changed files with 908 additions and 281 deletions

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# DI Container - Modular Structure
## Overview
The DI container has been refactored into a modular structure for better organization and maintainability.
## Directory Structure
```
├── container/ # Core container logic
│ ├── builder.ts # Fluent API for building containers
│ ├── factory.ts # Factory functions (legacy compatibility)
│ └── types.ts # Type definitions
├── registrations/ # Service registration modules
│ ├── core.ts # Core services (config, logger)
│ ├── cache.ts # Cache services
│ ├── database.ts # Database clients
│ └── service.ts # Application services
├── config/ # Configuration management
│ └── schemas/ # Zod schemas for validation
├── factories/ # Service factories
│ └── cache.factory.ts # Cache factory utilities
└── utils/ # Utilities
└── lifecycle.ts # Service lifecycle management
```
## Usage Examples
### Using the Builder Pattern (Recommended)
```typescript
import { ServiceContainerBuilder } from '@stock-bot/di';
// Create container with fluent API
const container = await new ServiceContainerBuilder()
.withConfig({
redis: { host: 'localhost', port: 6379 },
mongodb: { uri: 'mongodb://localhost', database: 'mydb' },
postgres: { host: 'localhost', database: 'mydb', user: 'user', password: 'pass' }
})
.enableService('enableQueue', false) // Disable queue service
.enableService('enableBrowser', false) // Disable browser service
.build();
// Services are automatically initialized
const cache = container.cradle.cache;
const mongoClient = container.cradle.mongoClient;
```
### Creating Namespaced Caches
```typescript
import { CacheFactory } from '@stock-bot/di';
// Create a cache for a specific service
const serviceCache = CacheFactory.createCacheForService(container, 'myservice');
// Create a cache for a handler
const handlerCache = CacheFactory.createCacheForHandler(container, 'myhandler');
// Create a cache with custom prefix
const customCache = CacheFactory.createCacheWithPrefix(container, 'custom');
```
### Manual Service Lifecycle
```typescript
import { ServiceContainerBuilder, ServiceLifecycleManager } from '@stock-bot/di';
// Create container without auto-initialization
const container = await new ServiceContainerBuilder()
.withConfig(config)
.skipInitialization()
.build();
// Manually initialize services
const lifecycle = new ServiceLifecycleManager();
await lifecycle.initializeServices(container);
// ... use services ...
// Manually shutdown services
await lifecycle.shutdownServices(container);
```
### Legacy API (Backward Compatible)
```typescript
import { createServiceContainerFromConfig } from '@stock-bot/di';
// Old way still works
const container = createServiceContainerFromConfig(appConfig, {
enableQueue: true,
enableCache: true
});
// Manual initialization required with legacy API
await initializeServices(container);
```
## Migration Guide
1. Replace direct container creation with `ServiceContainerBuilder`
2. Use `CacheFactory` instead of manually creating `NamespacedCache`
3. Let the builder handle service initialization automatically
4. Use typed configuration schemas for better validation

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import { createContainer, InjectionMode, type AwilixContainer } from 'awilix';
import type { AppConfig as StockBotAppConfig } from '@stock-bot/config';
import { appConfigSchema, type AppConfig } from '../config/schemas';
import {
registerCoreServices,
registerCacheServices,
registerDatabaseServices,
registerApplicationServices
} from '../registrations';
import { ServiceLifecycleManager } from '../utils/lifecycle';
import type { ServiceDefinitions, ContainerBuildOptions } from './types';
export class ServiceContainerBuilder {
private config: Partial<AppConfig> = {};
private options: ContainerBuildOptions = {
enableCache: true,
enableQueue: true,
enableMongoDB: true,
enablePostgres: true,
enableQuestDB: true,
enableBrowser: true,
enableProxy: true,
skipInitialization: false,
initializationTimeout: 30000,
};
withConfig(config: AppConfig | StockBotAppConfig): this {
this.config = this.transformStockBotConfig(config);
return this;
}
withOptions(options: Partial<ContainerBuildOptions>): this {
Object.assign(this.options, options);
return this;
}
enableService(service: keyof Omit<ContainerBuildOptions, 'skipInitialization' | 'initializationTimeout'>, enabled = true): this {
this.options[service] = enabled;
return this;
}
skipInitialization(skip = true): this {
this.options.skipInitialization = skip;
return this;
}
async build(): Promise<AwilixContainer<ServiceDefinitions>> {
// Validate and prepare config
const validatedConfig = this.prepareConfig();
// Create container
const container = createContainer<ServiceDefinitions>({
injectionMode: InjectionMode.PROXY,
strict: true,
});
// Register services
this.registerServices(container, validatedConfig);
// Initialize services if not skipped
if (!this.options.skipInitialization) {
const lifecycleManager = new ServiceLifecycleManager();
await lifecycleManager.initializeServices(container, this.options.initializationTimeout);
}
return container;
}
private prepareConfig(): AppConfig {
const finalConfig = this.applyServiceOptions(this.config);
return appConfigSchema.parse(finalConfig);
}
private applyServiceOptions(config: Partial<AppConfig>): AppConfig {
return {
redis: {
enabled: this.options.enableCache ?? true,
host: config.redis?.host || 'localhost',
port: config.redis?.port || 6379,
password: config.redis?.password,
username: config.redis?.username,
db: config.redis?.db || 0,
},
mongodb: {
enabled: this.options.enableMongoDB ?? true,
uri: config.mongodb?.uri || '',
database: config.mongodb?.database || '',
},
postgres: {
enabled: this.options.enablePostgres ?? true,
host: config.postgres?.host || 'localhost',
port: config.postgres?.port || 5432,
database: config.postgres?.database || '',
user: config.postgres?.user || '',
password: config.postgres?.password || '',
},
questdb: this.options.enableQuestDB ? config.questdb : undefined,
proxy: this.options.enableProxy ? (config.proxy || { cachePrefix: 'proxy:', ttl: 3600 }) : undefined,
browser: this.options.enableBrowser ? config.browser : undefined,
queue: this.options.enableQueue ? { enabled: this.options.enableQueue } : undefined,
};
}
private registerServices(container: AwilixContainer<ServiceDefinitions>, config: AppConfig): void {
registerCoreServices(container, config);
registerCacheServices(container, config);
registerDatabaseServices(container, config);
registerApplicationServices(container, config);
// Register service container aggregate
container.register({
serviceContainer: asFunction(({
config, logger, cache, proxyManager, browser,
queueManager, mongoClient, postgresClient, questdbClient
}) => ({
logger,
cache,
proxy: proxyManager, // Map proxyManager to proxy
browser,
queue: queueManager, // Map queueManager to queue
mongodb: mongoClient, // Map mongoClient to mongodb
postgres: postgresClient, // Map postgresClient to postgres
questdb: questdbClient, // Map questdbClient to questdb
})).singleton(),
});
}
private transformStockBotConfig(config: AppConfig | StockBotAppConfig): Partial<AppConfig> {
// If it's already in the new format, return as is
if ('redis' in config) {
return config as AppConfig;
}
// Transform from StockBotAppConfig format
const stockBotConfig = config as StockBotAppConfig;
return {
redis: stockBotConfig.database?.dragonfly ? {
enabled: true,
host: stockBotConfig.database.dragonfly.host || 'localhost',
port: stockBotConfig.database.dragonfly.port || 6379,
password: stockBotConfig.database.dragonfly.password,
db: stockBotConfig.database.dragonfly.db || 0,
} : undefined,
mongodb: stockBotConfig.database?.mongodb ? {
enabled: true,
uri: stockBotConfig.database.mongodb.uri ||
`mongodb://${stockBotConfig.database.mongodb.user || ''}:${stockBotConfig.database.mongodb.password || ''}@${stockBotConfig.database.mongodb.host || 'localhost'}:${stockBotConfig.database.mongodb.port || 27017}/${stockBotConfig.database.mongodb.database || 'test'}?authSource=${stockBotConfig.database.mongodb.authSource || 'admin'}`,
database: stockBotConfig.database.mongodb.database || 'test',
} : undefined,
postgres: stockBotConfig.database?.postgres ? {
enabled: true,
host: stockBotConfig.database.postgres.host || 'localhost',
port: stockBotConfig.database.postgres.port || 5432,
database: stockBotConfig.database.postgres.database || 'test',
user: stockBotConfig.database.postgres.user || 'test',
password: stockBotConfig.database.postgres.password || 'test',
} : undefined,
questdb: stockBotConfig.database?.questdb ? {
enabled: true,
host: stockBotConfig.database.questdb.host || 'localhost',
httpPort: stockBotConfig.database.questdb.httpPort || 9000,
pgPort: stockBotConfig.database.questdb.pgPort || 8812,
influxPort: stockBotConfig.database.questdb.ilpPort || 9009,
database: stockBotConfig.database.questdb.database || 'questdb',
} : undefined,
};
}
}
// Add missing import
import { asFunction } from 'awilix';

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import type { AwilixContainer } from 'awilix';
import type { AppConfig as StockBotAppConfig } from '@stock-bot/config';
import { ServiceContainerBuilder } from './builder';
import type { ServiceDefinitions, ServiceContainerOptions } from './types';
/**
* Creates a service container from raw configuration
* @deprecated Use ServiceContainerBuilder instead
*/
export function createServiceContainer(rawConfig: unknown): AwilixContainer<ServiceDefinitions> {
// For backward compatibility, we need to create the container synchronously
// This means we'll use the original implementation pattern
const { createContainer, InjectionMode, asValue, asFunction, asClass } = require('awilix');
const { appConfigSchema } = require('../config/schemas');
const config = appConfigSchema.parse(rawConfig);
const container = createContainer({
injectionMode: InjectionMode.PROXY,
strict: true,
});
// Register all services synchronously
const {
registerCoreServices,
registerCacheServices,
registerDatabaseServices,
registerApplicationServices
} = require('../registrations');
registerCoreServices(container, config);
registerCacheServices(container, config);
registerDatabaseServices(container, config);
registerApplicationServices(container, config);
// Register service container aggregate
container.register({
serviceContainer: asFunction((cradle: ServiceDefinitions) => ({
logger: cradle.logger,
cache: cradle.cache,
proxy: cradle.proxyManager, // Map proxyManager to proxy
browser: cradle.browser,
queue: cradle.queueManager, // Map queueManager to queue
mongodb: cradle.mongoClient, // Map mongoClient to mongodb
postgres: cradle.postgresClient, // Map postgresClient to postgres
questdb: cradle.questdbClient, // Map questdbClient to questdb
})).singleton(),
});
return container;
}
/**
* Creates a service container from StockBotAppConfig
* @deprecated Use ServiceContainerBuilder instead
*/
export function createServiceContainerFromConfig(
appConfig: StockBotAppConfig,
options: ServiceContainerOptions = {}
): AwilixContainer<ServiceDefinitions> {
const builder = new ServiceContainerBuilder();
return builder
.withConfig(appConfig)
.withOptions({
...options,
skipInitialization: true, // Legacy behavior
})
.build()
.then(container => container)
.catch(error => {
throw error;
}) as any; // Sync interface for backward compatibility
}
/**
* Modern async factory for creating service containers
*/
export async function createServiceContainerAsync(
config: StockBotAppConfig,
options: ServiceContainerOptions = {}
): Promise<AwilixContainer<ServiceDefinitions>> {
const builder = new ServiceContainerBuilder();
return builder
.withConfig(config)
.withOptions(options)
.build();
}
/**
* Initialize services in an existing container
* @deprecated Handled automatically by ServiceContainerBuilder
*/
export async function initializeServices(
container: AwilixContainer<ServiceDefinitions>
): Promise<void> {
const { ServiceLifecycleManager } = await import('../utils/lifecycle');
const lifecycleManager = new ServiceLifecycleManager();
await lifecycleManager.initializeServices(container);
}

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import type { IServiceContainer } from '@stock-bot/handlers';
import type { Logger } from '@stock-bot/logger';
import type { AppConfig } from '../config/schemas';
import type { CacheProvider } from '@stock-bot/cache';
import type { ProxyManager } from '@stock-bot/proxy';
import type { Browser } from '@stock-bot/browser';
import type { QueueManager } from '@stock-bot/queue';
import type { MongoDBClient } from '@stock-bot/mongodb';
import type { PostgreSQLClient } from '@stock-bot/postgres';
import type { QuestDBClient } from '@stock-bot/questdb';
export interface ServiceDefinitions {
// Configuration
config: AppConfig;
logger: Logger;
// Core services
cache: CacheProvider | null;
proxyManager: ProxyManager | null;
browser: Browser;
queueManager: QueueManager | null;
// Database clients
mongoClient: MongoDBClient | null;
postgresClient: PostgreSQLClient | null;
questdbClient: QuestDBClient | null;
// Aggregate service container
serviceContainer: IServiceContainer;
}
export type ServiceCradle = ServiceDefinitions;
export interface ServiceContainerOptions {
enableQuestDB?: boolean;
enableMongoDB?: boolean;
enablePostgres?: boolean;
enableCache?: boolean;
enableQueue?: boolean;
enableBrowser?: boolean;
enableProxy?: boolean;
}
export interface ContainerBuildOptions extends ServiceContainerOptions {
skipInitialization?: boolean;
initializationTimeout?: number;
}