stock-bot/libs/data/mongodb/src/simple-mongodb.ts

145 lines
3.9 KiB
TypeScript

/**
* Simple MongoDB client implementation for testing
*/
export class SimpleMongoDBClient {
private collections = new Map<string, any[]>();
private connected = false;
constructor(private config: any) {}
async connect(): Promise<void> {
this.connected = true;
}
async disconnect(): Promise<void> {
this.connected = false;
}
async find(collection: string, filter: any = {}): Promise<any[]> {
if (!this.connected) await this.connect();
const docs = this.collections.get(collection) || [];
// Simple filter matching
if (Object.keys(filter).length === 0) {
return docs;
}
return docs.filter(doc => {
for (const [key, value] of Object.entries(filter)) {
if (doc[key] !== value) return false;
}
return true;
});
}
async findOne(collection: string, filter: any = {}): Promise<any | null> {
const results = await this.find(collection, filter);
return results[0] || null;
}
async insert(collection: string, doc: any): Promise<void> {
if (!this.connected) await this.connect();
const docs = this.collections.get(collection) || [];
docs.push({ ...doc, _id: Math.random().toString(36) });
this.collections.set(collection, docs);
}
async insertMany(collection: string, documents: any[]): Promise<void> {
for (const doc of documents) {
await this.insert(collection, doc);
}
}
async update(collection: string, filter: any, update: any): Promise<number> {
if (!this.connected) await this.connect();
const docs = await this.find(collection, filter);
if (docs.length === 0) return 0;
const doc = docs[0];
if (update.$set) {
Object.assign(doc, update.$set);
}
return 1;
}
async updateMany(collection: string, filter: any, update: any): Promise<number> {
if (!this.connected) await this.connect();
const docs = await this.find(collection, filter);
for (const doc of docs) {
if (update.$set) {
Object.assign(doc, update.$set);
}
}
return docs.length;
}
async delete(collection: string, filter: any): Promise<number> {
if (!this.connected) await this.connect();
const allDocs = this.collections.get(collection) || [];
const toDelete = await this.find(collection, filter);
if (toDelete.length === 0) return 0;
const remaining = allDocs.filter(doc => !toDelete.includes(doc));
this.collections.set(collection, remaining);
return 1;
}
async deleteMany(collection: string, filter: any): Promise<number> {
if (!this.connected) await this.connect();
const allDocs = this.collections.get(collection) || [];
const toDelete = await this.find(collection, filter);
const remaining = allDocs.filter(doc => !toDelete.includes(doc));
this.collections.set(collection, remaining);
return toDelete.length;
}
async batchUpsert(collection: string, documents: any[], uniqueKeys: string[]): Promise<void> {
if (!this.connected) await this.connect();
for (const doc of documents) {
const filter: any = {};
for (const key of uniqueKeys) {
filter[key] = doc[key];
}
const existing = await this.findOne(collection, filter);
if (existing) {
await this.update(collection, filter, { $set: doc });
} else {
await this.insert(collection, doc);
}
}
}
async count(collection: string, filter: any = {}): Promise<number> {
const docs = await this.find(collection, filter);
return docs.length;
}
async createIndex(collection: string, index: any, options?: any): Promise<void> {
// No-op for simple implementation
}
async healthCheck(): Promise<{ status: string; isConnected: boolean; error?: string }> {
try {
return {
status: this.connected ? 'healthy' : 'unhealthy',
isConnected: this.connected,
};
} catch (error: any) {
return {
status: 'unhealthy',
isConnected: false,
error: error.message,
};
}
}
}