feat: reading a user

Program.cs

@@ -1,10 +1,10 @@
 using System;
-using System.Collections.Generic;
 using System.Configuration;
 using System.Net;
 using System.Threading.Tasks;
 using Microsoft.Azure.Documents;
 using Microsoft.Azure.Documents.Client;
+using Newtonsoft.Json;
 
 namespace azure_cosmos_db_example {
     class Program {
@@ -40,6 +40,7 @@ class Program {
 
             await this.CreateUserDocumentIfNotExists ("customers", "users", new UserData ().nelapin);
             await this.CreateUserDocumentIfNotExists ("customers", "users", new UserData ().yanhe);
+            await this.ReadUserDocument ("customers", "users", new UserData ().yanhe);
         }
 
         private async Task CreateUserDocumentIfNotExists (string databaseName, string collectionName, User user) {
@@ -62,5 +63,20 @@ class Program {
             Console.WriteLine ("Press any key to continue ...");
             Console.ReadKey ();
         }
+
+        private async Task ReadUserDocument (string databaseName, string collectionName, User user) {
+            try {
+                var userResource = await this.client.ReadDocumentAsync (UriFactory.CreateDocumentUri (databaseName, collectionName, user.Id), new RequestOptions { PartitionKey = new PartitionKey (user.UserId) });
+                var userFromDb = userResource.Resource;
+                this.WriteToConsoleAndPromptToContinue ("Read user {0}", user.Id);
+                this.WriteToConsoleAndPromptToContinue ("Read user {0}", Newtonsoft.Json.JsonConvert.SerializeObject (userFromDb, Formatting.Indented));
+            } catch (DocumentClientException de) {
+                if (de.StatusCode == HttpStatusCode.NotFound) {
+                    this.WriteToConsoleAndPromptToContinue ("User {0} not read", user.Id);
+                } else {
+                    throw;
+                }
+            }
+        }
     }
 }

README.md

@@ -1,3 +1,12 @@
+## Getting Started
+
+1. Download the code to local box 
+2. Read below articles to setup and activate your free azure subscription
+    1. [Get Free Sandbox Azure account for learning Azure](http://www.rupeshtiwari.com/blog/azure-sandbox-free-account-for-learning/)
+    2. [Creating Cosmos DB from DotNet Core Project](http://www.rupeshtiwari.com/blog/creating-cosmos-db-from-dotnet-core-project/)
+3. Run `dotnet restore` to install NuGet packages
+4. Run `dotnet run` to create database. 
+
 ## Creating Cosmos DB database and Collection from Dotnet Console App
 
 Write **csharp** code to connect **cosmos DB**
@@ -6,8 +15,6 @@ Write **csharp** code to connect **cosmos DB**
 2. You will create Collection in Cosmos DB 
 
 
-
-
 ## Running App Locally
 
 1. Install NuGet packages (This is only first time you have to do once you get the project from GitHub.)