From 3ea4cd2f9b3808ef645092816d888de406580e6d Mon Sep 17 00:00:00 2001
From: realtradam <github@tradam.dev>
Date: Sat, 13 Jul 2024 00:28:07 -0400
Subject: implement user registration

---
 .../blog/web/controllers/ArticleController.java    |  6 +-
 .../com/blog/web/controllers/AuthController.java   | 64 ++++++++++++++++++++++
 2 files changed, 67 insertions(+), 3 deletions(-)
 create mode 100644 src/main/java/com/blog/web/controllers/AuthController.java

(limited to 'src/main/java/com/blog/web/controllers')

diff --git a/src/main/java/com/blog/web/controllers/ArticleController.java b/src/main/java/com/blog/web/controllers/ArticleController.java
index 0cdff15..fc18dd7 100644
--- a/src/main/java/com/blog/web/controllers/ArticleController.java
+++ b/src/main/java/com/blog/web/controllers/ArticleController.java
@@ -20,7 +20,7 @@ public class ArticleController {
         this.articleService = articleService;
     }
 
-    @GetMapping("/")
+    @GetMapping("/articles")
     public String listArticles(Model model) {
         List<ArticleDto> articles = articleService.findAllArticles();
         model.addAttribute("articles", articles);
@@ -85,8 +85,8 @@ public class ArticleController {
         return "index";
     }
 
-    @GetMapping("/articles")
+    @GetMapping("/")
     public String getArticles() {
-        return "redirect:/";
+        return "redirect:/articles";
     }
 }
diff --git a/src/main/java/com/blog/web/controllers/AuthController.java b/src/main/java/com/blog/web/controllers/AuthController.java
new file mode 100644
index 0000000..bb7cb0d
--- /dev/null
+++ b/src/main/java/com/blog/web/controllers/AuthController.java
@@ -0,0 +1,64 @@
+package com.blog.web.controllers;
+
+import com.blog.web.dto.RegistrationDto;
+import com.blog.web.models.UserEntity;
+import com.blog.web.services.UserService;
+import jakarta.validation.Valid;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+
+@Controller
+public class AuthController {
+    private UserService userService;
+
+    public AuthController(UserService userService) {
+        this.userService = userService;
+    }
+
+    @GetMapping("/login")
+    public String loginPage() {
+        return "auth/login";
+    }
+
+    @GetMapping("/register")
+    public String getRegisterForm(Model model) {
+        RegistrationDto user = new RegistrationDto();
+        model.addAttribute("user", user);
+        return "auth/register";
+    }
+
+    @PostMapping("/register/save")
+    public String register(@Valid @ModelAttribute("user")RegistrationDto user,
+                           BindingResult result,
+                           Model model) {
+        UserEntity existingUserEmail = userService.findByEmail(user.getEmail());
+        if(
+                existingUserEmail != null &&
+                existingUserEmail.getEmail() != null &&
+                !existingUserEmail.getEmail().isEmpty()
+        ) {
+            result.rejectValue("email", "There is already a user with this email");
+        }
+
+        UserEntity existingUsername = userService.findByUsername(user.getUsername());
+        if(
+                existingUsername != null &&
+                existingUsername.getUsername() != null &&
+                !existingUsername.getUsername().isEmpty()
+        )
+        {
+            result.rejectValue("username", "There is already a user with this username");
+        }
+
+        if(result.hasErrors()) {
+            model.addAttribute("user", user);
+            return "register";
+        }
+        userService.saveUser(user);
+        return "redirect:/articles?success";
+    }
+}
-- 
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