Ajout d'un utilisateur si non présent

Lors de l'ajout d'un utilisateur, vérification dans la base de données si le pseudo est libre

Ajout d'un utilisateur si non présent
Lors de l'ajout d'un utilisateur, vérification dans la base de données si le pseudo est libre
Antoine Duquenoy
1 parent e1305e8c
Showing 5 changed files with 31 additions and 16 deletions Show diff stats
PFE06/src/main/java/com/PFE/ServerManager/Customer.java
PFE06/src/main/java/com/PFE/ServerManager/CustomerRepository.java
PFE06/src/main/java/com/PFE/ServerManager/MainController.java
PFE06/src/main/resources/application.properties
PFE06/src/main/resources/templates/login.html
@@ -10,6 +10,7 @@ import javax.persistence.Table;
 @Entity // This tells Hibernate to make a table out of this class
 @Table(name = "Customer") // DON'T USE "User" because it is a reserved name in PostgreSQL
 public class Customer{
+
     @Id
     @GeneratedValue(strategy=GenerationType.AUTO)
     private Integer id;
@@ -44,5 +45,4 @@ public class Customer{
         this.password = password;
     }
  
-
 }
 \ No newline at end of file
 package com.PFE.ServerManager;
  
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
  
 // This will be AUTO IMPLEMENTED by Spring into a Bean called userRepository
 // CRUD refers Create, Read, Update, Delete
  
 //This class allows the JPA to know that the Customer class is a table
 //Need to check if "extends JpaRepository is more useful"
+@Repository
 public interface CustomerRepository extends CrudRepository<Customer, Integer> {
  
-}
 \ No newline at end of file
+    Customer findByPseudo(String pseudo);
+
+}
@@ -2,10 +2,7 @@ package com.PFE.ServerManager;
  
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.*;
  
 import java.util.Map;
  
@@ -15,20 +12,30 @@ public class MainController {
     CustomerRepository customerRepository;
  
     @RequestMapping(value="/")
-    public String login(){
-        return "login";
+    public String home(){
+        return "redirect:login";
     }
  
     @GetMapping(path="/login") // Map ONLY GET Requests
-    public String addNewUser (@RequestParam String pseudo, @RequestParam String password, Map<String, Object> model) {
+    public String login() {
+        return "login";  //return "redirect:/...."; //to send a request to redirect the current page
+    }
+
+    @PostMapping(path="/login")
+    public String addNewUser(@RequestParam String pseudo, @RequestParam String password) {
         // @RequestParam means it is a parameter from the GET or POST request
         //the model Map is used by thymeleaf as a storage for values display on the html page
-        model.put("message", "vous avez ajouté l'utilisateur : "+pseudo +", avec le pseudo : "+ password);
         Customer n = new Customer();
         n.setPseudo(pseudo);
         n.setPassword(password);
+        Customer temp = customerRepository.findByPseudo(pseudo);
+
+        if(temp != null) {
+            return "redirect:login?error";
+        }
+
         customerRepository.save(n);
-        return "login";  //return "redirect:/...."; //to send a request to redirect the current page
+        return "redirect:login?ok";
     }
  
     @GetMapping(path="/all")
@@ -5,6 +5,6 @@
 spring.jpa.hibernate.ddl-auto=update
 #"create" if the database doesn't exist : it will reinitialize the DB every time the process is restarted
 #"update" if the database already exists
-spring.datasource.url=jdbc:postgresql://localhost/sql_only
+spring.datasource.url=jdbc:postgresql://localhost:3306/sql_only
 spring.datasource.username=postgres
-spring.datasource.password=idalurf123
 \ No newline at end of file
+spring.datasource.password=admin
 \ No newline at end of file
@@ -7,7 +7,7 @@
     <body>
         <div>
             <h5>Add new users</h5>
-            <form th:action="@{/login}" method="get">
+            <form th:action="@{/login}" method="POST">
                 <div class="form1">
                     <label for="username">User Name: </label>
                     <input type="text" id="username" placeholder="Enter UserName" name="pseudo"/>
@@ -18,8 +18,11 @@
                 </div>
                 <button type="submit">Ajouter</button>
             </form>
-            <div th:if="${message != null}">
-                <span th:text="${message}"></span>
+            <div th:if="${param.ok}">
+                <span>L'utilisateur a été ajouté !</span>
+            </div>
+            <div th:if="${param.error}">
+                <span>Le pseudo existe déjà !</span>
             </div>
         </div>
     </body>