{"id":28928,"date":"2019-03-19T00:55:00","date_gmt":"2019-03-18T23:55:00","guid":{"rendered":"https:\/\/blexin.com\/?p=28928"},"modified":"2021-01-13T09:40:42","modified_gmt":"2021-01-13T08:40:42","slug":"quando-amazon-ti-fa-il-servizio","status":"publish","type":"post","link":"https:\/\/blexin.com\/it\/blog\/quando-amazon-ti-fa-il-servizio\/","title":{"rendered":"Quando Amazon ti fa il servizio&#8230;"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"608\" data-attachment-id=\"28929\" data-permalink=\"https:\/\/blexin.com\/it\/blog\/quando-amazon-ti-fa-il-servizio\/attachment\/500543af-50c3-4d08-b765-cb07fe2301d9\/\" data-orig-file=\"https:\/\/i0.wp.com\/blexin.com\/wp-content\/uploads\/2020\/12\/500543af-50c3-4d08-b765-cb07fe2301d9.png?fit=1024%2C608&amp;ssl=1\" data-orig-size=\"1024,608\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"500543af-50c3-4d08-b765-cb07fe2301d9\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/blexin.com\/wp-content\/uploads\/2020\/12\/500543af-50c3-4d08-b765-cb07fe2301d9.png?fit=1024%2C608&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/blexin.com\/wp-content\/uploads\/2020\/12\/500543af-50c3-4d08-b765-cb07fe2301d9.png?resize=1024%2C608&#038;ssl=1\" alt=\"\" class=\"wp-image-28929\" srcset=\"https:\/\/blexin.com\/wp-content\/uploads\/2020\/12\/500543af-50c3-4d08-b765-cb07fe2301d9.png 1024w, https:\/\/blexin.com\/wp-content\/uploads\/2020\/12\/500543af-50c3-4d08-b765-cb07fe2301d9-980x582.png 980w, https:\/\/blexin.com\/wp-content\/uploads\/2020\/12\/500543af-50c3-4d08-b765-cb07fe2301d9-480x285.png 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Durante un\u2019attivit\u00e0 di consulenza per un cliente, che ha commissionato lo sviluppo di un e-commerce in ambito tecnologico, ci siamo trovati ad affrontare la scarsit\u00e0 di informazioni tecniche e commerciali messe a disposizione dal fornitore dei prodotti, per cui, in fase di presentazione, avremmo avuto un sito spoglio e schede prodotto piuttosto limitate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Una delle soluzioni migliori trovate per aggiungere o completare le informazioni sui prodotti \u00e8 stato l\u2019utilizzo delle&nbsp;<strong>Amazon Product Advertising API<\/strong>&nbsp;(ex Amazon Web Service AWS), una serie di servizi che&nbsp;<strong>Amazon<\/strong>&nbsp;mette a disposizione per la vendita dei propri prodotti su altri store.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dopo una veloce e gratuita registrazione come&nbsp;<a href=\"https:\/\/programma-affiliazione.amazon.it\/\" target=\"_blank\" rel=\"noreferrer noopener\">Amazon Associate<\/a>, possiamo iscriverci al programma di Amazon Product Advertising API, ottenendo le credenziali per l\u2019utilizzo dei servizi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consultando la&nbsp;<a href=\"https:\/\/docs.aws.amazon.com\/en_us\/AWSECommerceService\/latest\/DG\/Welcome.html\" target=\"_blank\" rel=\"noreferrer noopener\">documentazione<\/a>, \u00e8 possibile vedere che sono disponibili i seguenti servizi:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>ItemSearch<\/strong>: ricerca prodotti su Amazon;<\/li><li><strong>BrowseNodeLookup<\/strong>: restituisce la gerarchia delle categorie a partire da un prodotto\/categoria;<\/li><li><strong>ItemLookup<\/strong>: restituisce una lista di attributi per l&#8217;oggetto specificato;<\/li><li><strong>SimilarityLookup<\/strong>: restituisce gli oggetti simili all&#8217;oggetto specificato.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Inoltre, nell&#8217;invocazione di questi, \u00e8 possibile aggiungere ulteriori parametri che si vogliono ottenere nella risposta. Ad esempio, tra i parametri disponibili ci sono:&nbsp;<strong>Accessories<\/strong>&nbsp;(oggetti acquistati insieme);&nbsp;<strong>EditoralReview<\/strong>&nbsp;(descrizione del prodotto);&nbsp;<strong>Images<\/strong>&nbsp;(set delle immagini in varie dimensioni);&nbsp;<strong>ItemAttributes<\/strong>&nbsp;(caratteristiche peculiari);&nbsp;<strong>OfferListing<\/strong>&nbsp;(elenco delle offerte dei vari venditori);&nbsp;<strong>RelatedItems<\/strong>&nbsp;(oggetti collegati);&nbsp;<strong>Reviews<\/strong>&nbsp;(recensioni).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tra tutti i servizi, ItemSearch risulta quello pi\u00f9 completo a soddisfare le nostre esigenze e, probabilmente, anche quello che ci consente di fare meno invocazioni, dal momento che riceve in input l&#8217;<strong>EAN<\/strong>\u00a0(codice a barre di 13 cifre) e restituisce le informazioni di cui abbiamo necessit\u00e0, come nella response di esempio di seguito:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: xml; title: ; notranslate\" title=\"\">\n&lt;Item&gt;\n\u00a0\u00a0\u00a0\u00a0&lt;ASIN&gt;B00TZL96BY&lt;\/ASIN&gt;\n\u00a0\u00a0\u00a0\u00a0&lt;ParentASIN&gt;B012E5CKMY&lt;\/ParentASIN&gt;\n\u00a0\u00a0\u00a0\u00a0&lt;DetailPageURL&gt;https:\/\/www.amazon.com\/Lacoste-Womens-Sleeve-Stretch-Varsity\/dp\/B00TZL96BY%3Fpsc%3D1%26SubscriptionId%3D&#x5B;AWS Access Key ID]%26tag%3D&#x5B;Associate ID]%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB00TZL96BY&lt;\/DetailPageURL&gt;\n\u00a0\u00a0\u00a0\u00a0&lt;ItemLinks&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;ItemLink&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;Description&gt;Technical Details&lt;\/Description&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;URL&gt;https:\/\/www.amazon.com\/Lacoste-Womens-Sleeve-Stretch-Varsity\/dp\/tech-data\/B00TZL96BY%3FSubscriptionId%3D&#x5B;AWS Access Key ID]%26tag%3D&#x5B;Associate ID]%26linkCode%3Dxm2%26camp%3D2025%26creative%3D386001%26creativeASIN%3DB00TZL96BY&lt;\/URL&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;\/ItemLink&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;ItemLink&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;Description&gt;Add To Baby Registry&lt;\/Description&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;URL&gt;https:\/\/www.amazon.com\/gp\/registry\/baby\/add-item.html%3Fasin.0%3DB00TZL96BY%26SubscriptionId%3D&#x5B;AWS Access Key ID]%26tag%3D&#x5B;Associate ID]%26linkCode%3Dxm2%26camp%3D2025%26creative%3D386001%26creativeASIN%3DB00TZL96BY&lt;\/URL&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;\/ItemLink&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;ItemLink&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;Description&gt;Add To Wedding Registry&lt;\/Description&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;URL&gt;https:\/\/www.amazon.com\/gp\/registry\/wedding\/add-item.html%3Fasin.0%3DB00TZL96BY%26SubscriptionId%3D&#x5B;AWS Access Key ID]%26tag%3D&#x5B;Associate ID]%26linkCode%3Dxm2%26camp%3D2025%26creative%3D386001%26creativeASIN%3DB00TZL96BY&lt;\/URL&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;\/ItemLink&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0...\n\u00a0\u00a0\u00a0\u00a0&lt;\/ItemLinks&gt;\n\u00a0\u00a0\u00a0\u00a0&lt;ItemAttributes&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;Manufacturer&gt;Lacoste Womens Apparel&lt;\/Manufacturer&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;ProductGroup&gt;Apparel&lt;\/ProductGroup&gt;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&lt;Title&gt;Lacoste Women&#039;s Long Sleeve Stretch Pique Slim Fit Polo Shirt, Varsity Blue, 40&lt;\/Title&gt;\n\u00a0\u00a0\u00a0\u00a0&lt;\/ItemAttributes&gt;\n&lt;\/Item&gt;\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Il limite di utilizzo gratuito del servizio di \u00e8 di 25.000 chiamate per ora, per cui risulta particolarmente utile anche nel caso di grossi e-commerce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prima di utilizzare i servizi, naturalmente, \u00e8 necessario autenticarsi, utilizzando il client id e il secret ricevuto in fase di registrazione.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Per l&#8217;implementazione in ambiente&nbsp;<strong><em>.NET<\/em><\/strong>&nbsp;abbiamo utilizzato una classe Java trovata tra gli esempi forniti da Amazon,&nbsp;<strong><a href=\"https:\/\/docs.aws.amazon.com\/AWSECommerceService\/latest\/DG\/AuthJavaSampleSig2.html\" target=\"_blank\" rel=\"noreferrer noopener\">SignedRequestsHelper<\/a><\/strong>, e l&#8217;abbiamo riscritta in&nbsp;<strong><em>C#<\/em><\/strong>. Questa classe ci fornisce l&#8217;accesso e l&#8217;utilizzo dei servizi di Amazon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La nostra scelta, anche per ovviare ai limiti di utilizzo del servizio e gestire al meglio gli errori, \u00e8 stata di&nbsp;<strong><em>procedere secondo due step differenti<\/em><\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Salvare le informazioni dei prodotti su un DB di Swap;<\/li><li>Allineare i prodotti Amazon con quelli dell&#8217;e-commerce.<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Cos\u00ec facendo, nella seconda fase potremmo decidere cosa importare, definire le similarit\u00e0 tra i prodotti, ed eventualmente ripristinare informazioni modificate per errore.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Implementiamo quindi un servizio di importazione,\u00a0<strong>AmazonSwapImportManager<\/strong>, in cui, nel costruttore, istanziamo un oggetto\u00a0<strong>SignedRequestHelper<\/strong>\u00a0passandogli i parametri ottenuti in fase di registrazione:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nSignedRequestHelper helper;\n\u00a0\npublic AmazonSwapImportManager() {\n\u00a0\u00a0\u00a0\u00a0try {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0helper = new SignedRequestHelper(ACCESS_KEY_ID, SECRET_KEY, ENDPOINT);\n\u00a0\u00a0\u00a0\u00a0} catch (Exception e) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/logga l\u2019eccezione;\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Per ottenere le informazioni relative ai prodotti, invece, creiamo un metodo\u00a0<strong>GetInfoFromAmazonServices<\/strong>:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nprivate String GetInfoFromAmazonServices(String ean) {\n\u00a0\u00a0\u00a0\u00a0try {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ottieni la url del prodotto richiesto tramite il suo EAN\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String requestUrl = GetProductUrlRequestByEan(ean);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ottieni l&#039;oggetto XML dalla url del prodotto\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String xmlObject = GetXmlObjectFromUrl(requestUrl).Result;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/trasforma in JSON l&#039;oggetto XML ricevuto precedentemente.\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return GetJsonFromXml(xmlObject);\n\u00a0\u00a0\u00a0\u00a0} catch (Exception e) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/logga l\u2019eccezione;\n\u00a0\u00a0\u00a0\u00a0}\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">che si basa su altri metodi di utility:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nprivate static String GetJsonFromXml(string xmlObject) {\n\u00a0\u00a0\u00a0\u00a0XmlDocument doc = new XmlDocument();\n\u00a0\u00a0\u00a0\u00a0doc.LoadXml(xmlObject);\n\u00a0\u00a0\u00a0\u00a0var node = doc.DocumentElement.GetElementsByTagName(&quot;Item&quot;);\n\u00a0\u00a0\u00a0\u00a0if (node.Item(0) == null) return &quot;none&quot;;\n\u00a0\u00a0\u00a0\u00a0string json = JsonConvert.SerializeXmlNode(node.Item(0));\n\u00a0\u00a0\u00a0\u00a0return json;\n}\n\u00a0\nprivate String GetProductUrlRequestByEan(String ean) {\n\u00a0\u00a0\u00a0\u00a0IDictionary &lt;string, string&gt; requestParams = new Dictionary &lt;string, String&gt; ();\n\u00a0\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;Service&quot;, &quot;AWSECommerceService&quot;);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;Operation&quot;, &quot;ItemSearch&quot;);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;AWSAccessKeyId&quot;, ACCESS_KEY);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;AssociateTag&quot;, TAG);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;Keywords&quot;, EAN);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;IdType&quot;, &quot;EAN&quot;);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;ResponseGroup&quot;, &quot;Accessories,AlternateVersions,BrowseNodes,EditorialReview,Images,ItemAttributes,ItemIds,OfferFull,OfferListings,Offers,OfferSummary,PromotionSummary,RelatedItems,Reviews,SalesRank,Similarities&quot;);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;SearchIndex&quot;, &quot;All&quot;);\n\u00a0\u00a0\u00a0\u00a0requestParams.Add(&quot;RelationshipType&quot;, &quot;AuthorityTitle&quot;);\n\u00a0\n\u00a0\u00a0\u00a0\u00a0return helper.Sign(requestParams);\n}\n\u00a0\nprivate async Task &lt;String&gt; GetXmlObjectFromUrl(String requestUrl) {\n\u00a0\u00a0\u00a0\u00a0return await requestUrl.GetStringAsync();\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Il metodo\u00a0<strong>GetInfoFromAmazonServices<\/strong>\u00a0viene utilizzato all&#8217;interno di un metodo\u00a0<strong>ImportProductInfo<\/strong>, che cicla su tutti i prodotti dello store e tenta di ottenere le informazioni di cui necessitiamo:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nprivate void ImportProductsInfo(IList &lt;Product&gt; products) {\n\u00a0\/* altre operazioni di utilit\u00e0 *\/\n\u00a0\n\u00a0\u00a0\u00a0\u00a0\/\/cicla sui prodotti\n\u00a0\u00a0\u00a0\u00a0foreach(var product in products) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String productInfo = GetInfoFromAmazonServices(product.Ean);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/salva su un DB di swap le informazioni trovate sul prodotto\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0StoreItemToAmazonSwapDB(product.Ean, productInfo);\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\/* altre operazioni di riepilogo *\/\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">L&#8217;oggetto salvato sul DB di Swap \u00e8 di tipo\u00a0<strong>SwapItem<\/strong>, cos\u00ec definito:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\npublic class SwapItem\n{\n\u00a0\u00a0\u00a0\u00a0public int Id { get; set; }\n\u00a0\u00a0\u00a0\u00a0public string Ean { get; set; }\n\u00a0\u00a0\u00a0\u00a0public string Content { get; set; }\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Una volta salvati i dati relativi ai prodotti su un DB di swap, procediamo all&#8217;allineamento col nostro DB di produzione. Creiamo una classe\u00a0<strong>AmazonSwapSyncer<\/strong>, che contiene il metodo\u00a0<strong>Sync<\/strong>, cos\u00ec definito:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\npublic void Sync()\n{\n\u00a0\u00a0\u00a0\u00a0SynchronizeProductsInfo(GetItemsFromAmazonSwapDB());\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">che, a sua volta, si basa su\u00a0<strong>SynchronizeProductsInfo<\/strong>:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nprivate void SynchronizeProductsInfo(IList &lt;SwapItem&gt; swapItems) {\n\u00a0\/* altre operazioni di utilit\u00e0 *\/\n\u00a0\n\u00a0\u00a0\u00a0\u00a0foreach(var swapItem in swapItems) {\n\u00a0\u00a0\u00a0\u00a0\/\/ricerca sul nostro DB se ci sono occorrenze del prodotto con l&#039;EAN specificato\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0var currentProduct = dbContext.Products.FirstOrDefault(p =&gt; p.Ean == swapItem.Ean);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if (currentProduct != null) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0try {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/deserializza la stringa in un oggetto AmazonItem\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0var amazonItem = JsonConvert.DeserializeObject &lt;AmazonItem&gt; (swapItem.Content);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ottiene la descrizione\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0currentProduct.Description = amazonItem.Item.EditorialReviews.EditorialReview.Content;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ottiene le caratteristiche techiche del prodotto\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0currentProduct.Features = String.Join(&quot; * &quot;, amazonItem.Item.ItemAttributes.Feature);\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ottiene la url dell&#039;immagine di grandi dimensioni\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0currentProduct.ImageUrl = amazonItem.Item.LargeImage.Url;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/* ottieni altre informazioni *\/\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0} catch (Exception e) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/logga l\u2019eccezione;\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0\/\/salva le informazioni ottenute\n\u00a0\u00a0\u00a0\u00a0dbContext.SubmitChanges();\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">La classe AmazonItem, con le varie classi aggregate, \u00e8 cos\u00ec definita a seconda delle nostre necessit\u00e0:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\npublic class AmazonItem\n{\n\u00a0\u00a0\u00a0\u00a0public Item Item { get; set; }\u00a0\u00a0\u00a0\u00a0\u00a0 \n}\n\u00a0\npublic class Item\n{\n\u00a0\u00a0\u00a0\u00a0public String ASIN { get; set; }\n\u00a0\u00a0\u00a0\u00a0public long SalesRank { get; set; }\n\u00a0\u00a0\u00a0\u00a0public ItemAttributes ItemAttributes { get; set; }\n\u00a0\u00a0\u00a0\u00a0public EditorialReviews EditorialReviews { get; set; }\n\u00a0\u00a0\u00a0\u00a0public AmazonImage LargeImage { get; set; }\n}\n\u00a0\npublic class ItemAttributes\n{\n\u00a0\u00a0\u00a0\u00a0public String Binding { get; set; }\n\u00a0\u00a0\u00a0\u00a0public String Color { get; set; }\n\u00a0\u00a0\u00a0\u00a0public String&#x5B;] Feature { get; set; }\n}\n\u00a0\npublic class EditorialReviews\n{\n\u00a0\u00a0\u00a0\u00a0public EditorialReview EditorialReview { get; set; }\n}\n\u00a0\npublic class EditorialReview\n{\n\u00a0\u00a0\u00a0\u00a0public String Content { get; set; }\n}\n\u00a0\npublic class AmazonImage\n{\n\u00a0\u00a0\u00a0\u00a0public String Url { get; set; }\n\u00a0\u00a0\u00a0\u00a0public int Height { get; set; }\n\u00a0\u00a0\u00a0\u00a0public int Width { get; set; }\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Per cui, alla fine del ciclo di sincronizzazione, abbiamo informazioni dei prodotti aggiornate grazie ai contenuti disponibili su Amazon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il codice citato in questo articolo \u00e8 disponibile su GitHub al seguente\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/enricobencivenga\/AmazonProductAdvertisingAPI\" target=\"_blank\">link<\/a>.<\/p>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Vediamo insieme come integrare le schede prodotti del nostro e-commerce con le informazioni provenienti da Amazon<\/p>\n","protected":false},"author":196716247,"featured_media":28929,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","inline_featured_image":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[688637374],"tags":[688637419],"class_list":["post-28928","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-asp-net"],"yoast_head":"<!-- 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