first commit

backend/services/saleDb.js

@@ -0,0 +1,67 @@
+
+const { ObjectId } = require('mongodb');
+const connectDb = require("./db");
+
+const SaleDb = class
+{
+    constructor()
+    {
+        this.getCollection();
+    }
+
+    async getCollection()
+    {
+        const db = await connectDb();
+        if (!db) {
+            throw new Error('Database not connected');
+        }
+        this.collection = db.collection("Sales");
+    }
+
+    // CRUD
+    async get(id)
+    {
+        let result = await this.collection.findOne({_id: new ObjectId(id)});
+        return result;
+    }
+
+    async post(newDocument)
+    {
+        let result = await this.collection.insertOne(newDocument);
+        return result;
+    }
+
+    async put(id, data)
+    {
+        let result = await this.collection.updateOne({_id: new ObjectId(id)}, {$set: data});
+        return result;
+    }
+
+    async remove(id)
+    {
+        let result = await this.collection.deleteOne({_id: new ObjectId(id)});   
+        return result;
+    }
+
+    // Fucntions
+
+    async getAll()
+    {
+        let result = await this.collection.find({}).toArray();
+        return result;
+    }
+
+    async getByUrl(url)
+    {
+        let result = await this.collection.findOne({url: url});
+        return result;
+    }
+
+    async getByIDPlatform(idSalePlatform, platformName)
+    {
+        let result = await this.collection.findOne({idPlatform: String(idSalePlatform), platform: String(platformName)});        
+        return result;
+    }
+}
+
+module.exports = { SaleDb };