From a95a921478435cc6400236d291281c3d0156a7e1 Mon Sep 17 00:00:00 2001
From: "DESKTOP-S0O2C44\\ROG" <ivan996sk@gmail.com>
Date: Wed, 9 Mar 2022 20:42:27 +0100
Subject: Odradjena konekcija sa klasterom. Zabranjeno kreiranje korisnika sa
 istim imenom. #24

---
 backend/api/api/Controllers/UserController.cs | 24 +++++++++++++++++++++---
 backend/api/api/Services/IUserService.cs      |  1 +
 backend/api/api/Services/UserService.cs       |  6 ++++--
 backend/api/api/appsettings.json              |  7 +++++--
 4 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/backend/api/api/Controllers/UserController.cs b/backend/api/api/Controllers/UserController.cs
index a106880e..85f8218d 100644
--- a/backend/api/api/Controllers/UserController.cs
+++ b/backend/api/api/Controllers/UserController.cs
@@ -37,17 +37,35 @@ namespace api.Controllers
             
             return user;
         }
+        // GET api/<UserController>/5
+        //potrebno za profile page
+        [HttpGet("{id}")]
+        public ActionResult<User> GetUserUsername(string username)
+        {
+            var user = userService.GetUserUsername(username);
 
+            if (user == null)
+                return NotFound($"User with Id = {username} not found");
+
+            return user;
+        }
         // POST api/<UserController>
         [HttpPost]
         public ActionResult<User> Post([FromBody] User user)
         {
-            userService.Create(user);
+            
+            var existingUser = userService.GetUserUsername(user.Username);
 
-            //Debug.WriteLine("\nTest.\n");
+            if (existingUser != null)
+                return NotFound($"User with username = {user.Username} exisits");
+            else
+            {
+                userService.Create(user);
 
-            return CreatedAtAction(nameof(Get), new { id = user._id }, user);
+                //Debug.WriteLine("\nTest.\n");
 
+                return CreatedAtAction(nameof(Get), new { id = user._id }, user);
+            }
         }
 
         // PUT api/<UserController>/5
diff --git a/backend/api/api/Services/IUserService.cs b/backend/api/api/Services/IUserService.cs
index e9f14c8b..b6725694 100644
--- a/backend/api/api/Services/IUserService.cs
+++ b/backend/api/api/Services/IUserService.cs
@@ -6,6 +6,7 @@ namespace api.Services
     {
         List<User> Get();// daje sve korisnike
         User Get(string id); //daje korisnika po id-u
+        User GetUserUsername(string username); //daje korisnika po korisnickom imenu
         User Create(User user); // kreira korisnika
         void Update(string id, User user); //apdejruje korisnika po idu
         void Delete(string id);//brise korisnika
diff --git a/backend/api/api/Services/UserService.cs b/backend/api/api/Services/UserService.cs
index e5d1bb32..e1d1e8b7 100644
--- a/backend/api/api/Services/UserService.cs
+++ b/backend/api/api/Services/UserService.cs
@@ -19,12 +19,14 @@ namespace api.Services
             return user;
         }
 
-    
-
         public List<User> Get()
         {
             return _users.Find(user => true).ToList();
         }
+        public User GetUserUsername(string username)
+        {
+            return _users.Find(user => user.Username == username).FirstOrDefault();
+        }
 
         public User Get(string id)
         {
diff --git a/backend/api/api/appsettings.json b/backend/api/api/appsettings.json
index 257c2f45..204eba33 100644
--- a/backend/api/api/appsettings.json
+++ b/backend/api/api/appsettings.json
@@ -10,12 +10,15 @@
   },
   "AllowedHosts": "*",
   "UserStoreDatabaseSettings": {
+    /* LocalHost
     "ConnectionString": "mongodb://127.0.0.1:27017/",
     "DatabaseName": "si_project",
     "CollectionName": "User"
-   /* "ConnectionString": "mongodb+srv://SIDatabase:SIDatabase@sidatabase.twtfm.mongodb.net/myFirstDatabase?retryWrites=true&w=majority",
+
+    */
+    "ConnectionString": "mongodb+srv://si_user:si_user@sidatabase.twtfm.mongodb.net/myFirstDatabase?retryWrites=true&w=majority",
     "DatabaseName": "si_db",
     "CollectionName": "users"
-  */
+
   }
 }
-- 
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