From 8534ca139996893919cb6874166ef08fa346415a Mon Sep 17 00:00:00 2001
From: KerelOlivier <olivierboeren@live.nl>
Date: Tue, 24 May 2022 17:30:57 +0200
Subject: [PATCH] add: user service with CRUD operations

---
 Models/BlogDatabaseSettings.cs |  9 +++++++++
 Program.cs                     |  3 +++
 Services/UserService.cs        | 32 ++++++++++++++++++++++++++++++++
 appsettings.json               |  8 ++++++++
 4 files changed, 52 insertions(+)
 create mode 100644 Models/BlogDatabaseSettings.cs

diff --git a/Models/BlogDatabaseSettings.cs b/Models/BlogDatabaseSettings.cs
new file mode 100644
index 0000000..2232e1c
--- /dev/null
+++ b/Models/BlogDatabaseSettings.cs
@@ -0,0 +1,9 @@
+namespace backend.Models;
+
+public class BlogDatabaseSettings
+{
+    public string ConnectionString { get; set; } = null;
+    public string DatabaseName { get; set; } = null;
+    public string UsersCollectionName{ get; set; } = null;
+    public string PostsCollectionName { get; set; } = null;
+}
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
index 15eacee..434bae8 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,8 +1,11 @@
+using backend.Models;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 
 builder.Services.AddControllers();
+builder.Services.Configure<BlogDatabaseSettings>(builder.Configuration.GetSection("BlogDatabase"));
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
diff --git a/Services/UserService.cs b/Services/UserService.cs
index b097f4e..c64d6d2 100644
--- a/Services/UserService.cs
+++ b/Services/UserService.cs
@@ -1,6 +1,38 @@
+using backend.Models;
+using Microsoft.Extensions.Options;
+using MongoDB.Driver;
+
 namespace backend.Services;
 
 public class UserService
 {
+    private readonly IMongoCollection<User> _users;
+    
+    public UserService(IOptions<BlogDatabaseSettings> settings)
+    {
+        var client = new MongoClient(settings.Value.ConnectionString);
+        var database = client.GetDatabase(settings.Value.DatabaseName);
+        _users = database.GetCollection<User>(settings.Value.UsersCollectionName);
+    }
+    
+    public async Task<User?> GetAsync(string id)
+    {
+        var user = await _users.Find(user => user.Id == id).FirstOrDefaultAsync();
+        return user;
+    }
+    
+    public async Task CreateAsync(User user)
+    {
+        await _users.InsertOneAsync(user);
+    }
+    
+    public async Task RemoveAsync(string id)
+    {
+        await _users.DeleteOneAsync(user => user.Id == id);
+    }
     
+    public async Task UpdateAsync(string id, User userIn)
+    {
+        await _users.ReplaceOneAsync(user => user.Id == id, userIn);
+    }
 }
\ No newline at end of file
diff --git a/appsettings.json b/appsettings.json
index 4d56694..95da7f2 100644
--- a/appsettings.json
+++ b/appsettings.json
@@ -1,4 +1,12 @@
 {
+  "BlogDatabase": {
+    "ConnectionString": "mongodb://localhost:27017",
+    "DatabaseName": "Blog",
+    "UserCollectionName": "Users",
+    "PostCollectionName": "Posts"
+    
+  },
+  
   "Logging": {
     "LogLevel": {
       "Default": "Information",