first commit

backend/services/agent.js

@@ -0,0 +1,89 @@
+const fetch = require('node-fetch');
+const { LotDb } = require("./lotDb");
+const lotDb = new LotDb();
+const { SaleDb } = require("./saleDb");
+const saleDb = new SaleDb();
+const moment = require('moment-timezone');
+
+const Agent = class
+{
+    constructor()
+    {
+        this.ApiAgentURL = "http://host.docker.internal:3020/api";
+    }
+
+    async getSaleInfos(url)
+    {
+        return new Promise((resolve, reject) => {
+            url = encodeURIComponent(url);
+            fetch(this.ApiAgentURL+'/sale/getSaleInfos/'+url)
+                .then(response => response.json())
+                .then(data => {
+                    resolve(data);
+                })
+                .catch(error => {
+                    reject(error);
+                });
+        });
+    }
+
+    async prepareSale(id)
+    {
+        return new Promise(async (resolve, reject) => {    
+            
+            let Sale = await saleDb.get(id);
+
+            const DateSale = moment.tz(Sale.date, "Europe/Paris");
+            const NowParis = moment.tz(new Date(),"Europe/Paris")
+           
+            if (NowParis.isBefore(DateSale)){
+
+                let url = Sale.url
+                url = encodeURIComponent(url);
+
+                fetch(this.ApiAgentURL+'/sale/getLotList/'+url)
+                    .then(response => response.json())
+                    .then( async data => {
+
+                        for (let lot of data) {
+                            lot.sale_id = Sale._id                
+                            await lotDb.post(lot);          
+                        }
+                        resolve(data);
+                    })
+                    .catch(error => {
+                        reject(error);
+                    });
+            }else{
+                console.log("Sale started or finished");
+                resolve([]);
+            }
+        });
+    }
+
+    async followSale(id)
+    {
+        return new Promise(async (resolve, reject) => {
+            let Sale = await saleDb.get(id);
+        
+            let url = Sale.url
+            url = encodeURIComponent(url);
+
+            fetch(this.ApiAgentURL+'/sale/followSale/'+url)
+                .then(response => response.json())
+                .then(async data => {
+
+                    // set the Sale status to following
+                    Sale.status = "following";
+                    Sale = await saleDb.put(id, Sale);
+                    resolve(data);
+                })
+                .catch(error => {
+                    reject(error);
+                });
+        });
+    }
+
+}
+
+module.exports = {Agent};