From 627850aeb788606f3c4a5ee5f59784b7a0ee5fc3 Mon Sep 17 00:00:00 2001
From: ulrich <not disclosed>
Date: Tue, 27 Dec 2016 14:14:01 +0000
Subject: [PATCH] Kommentare zu Java-Klassen hinzugefuegt (in Arbeit)

---
 src/java/de/uhilger/um/api/UserMgr.java |   59 +++++++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 39 insertions(+), 20 deletions(-)

diff --git a/src/java/de/uhilger/um/api/UserMgr.java b/src/java/de/uhilger/um/api/UserMgr.java
index 399a461..58dd5ab 100644
--- a/src/java/de/uhilger/um/api/UserMgr.java
+++ b/src/java/de/uhilger/um/api/UserMgr.java
@@ -1,14 +1,20 @@
 package de.uhilger.um.api;
 
 import de.uhilger.baselink.GenericRecord;
+import de.uhilger.baselink.PersistenceManager;
 import de.uhilger.baselink.Record;
 import de.uhilger.um.App;
 import de.uhilger.um.daten.User;
+import de.uhilger.um.daten.UserRole;
+import java.sql.Connection;
 import java.util.List;
 import org.apache.catalina.realm.RealmBase;
 
 /**
- * Klasse zur Verwaltung von Benutzern in einer Datenbank
+ * Klasse zur Verwaltung von Benutzern und Rollen 
+ * in einer Datenbank
+ * 
+ * Das SQL findet sich in WEB-INF/sql.properties
  * 
  * @author Ulrich Hilger
  */
@@ -17,10 +23,14 @@
   private static final String MD5 = "MD5";
   
   private static final Record UserMapper = new GenericRecord(User.class);
+  private static final Record UserRoleMapper = new GenericRecord(UserRole.class);
   
   public static final String SQL_GET_USER_LIST = "getUserList";
   public static final String SQL_GET_USER_NAME_LIST = "getUserNameList";
+  public static final String SQL_GET_ROLE_LIST = "getRoleList";
+  public static final String SQL_GET_USER_ROLES = "getUserRoles";
   public static final String SQL_DELETE_USER = "deleteUser";
+  public static final String SQL_DELETE_USER_ROLES = "deleteUserRoles";
   
   /* ----------- Benutzer -------------- */
   
@@ -39,35 +49,44 @@
   }
   
   public User deleteUser(User user) {
-    return (User) App.getDatabase().delete(user, UserMapper);
+    PersistenceManager pm = App.getDatabase();
+    Connection c = pm.getConnection();
+    pm.startTransaction(c);
+    String sql = App.getSqlStatement(SQL_DELETE_USER_ROLES);
+    pm.execute(c, sql, user.getId());
+    User deletedUser = (User) pm.delete(c, user, UserMapper);
+    pm.commit(c);
+    return deletedUser;
   }
-  
-  /*
-  public List getUserList() {
-    String sql = App.getSqlStatement(SQL_GET_USER_LIST);
-    List users = App.getDatabase().select(sql, UserMapper, App.WITHOUT_BLOBS);
-    return users;
-  }
-  */
-  
+    
   /* ------------ Rollen ------------------ */
   
-  public String grantRole(String userId, String roleName) {
-    return "not implemented";
+  public UserRole grantRole(String userId, String roleName) {
+    UserRole ur = new UserRole();
+    ur.setRole(roleName);
+    ur.setUser(userId);
+    App.getDatabase().insert(ur, UserRoleMapper);
+    return ur;
   }
   
-  public String revokeRole(String userId, String roleName) {
-    return "not implemented";
+  public UserRole revokeRole(String userId, String roleName) {
+    UserRole ur = new UserRole();
+    ur.setRole(roleName);
+    ur.setUser(userId);
+    App.getDatabase().delete(ur, UserRoleMapper);
+    return ur;
   }
   
   public List getRoleNamesGranted() {
-    return null;
+    String sql = App.getSqlStatement(SQL_GET_ROLE_LIST);
+    List roleNames = App.getDatabase().select(sql, App.WITHOUT_BLOBS);
+    return roleNames;
   }
   
-  /* ------------ sonstige Methoden -------------- */
-  
-  public String hallo() {
-    return "Hallo Welt";
+  public List getUserRoleNames(String userId) {
+    String sql = App.getSqlStatement(SQL_GET_USER_ROLES);
+    List roleNames = App.getDatabase().select(sql, App.WITHOUT_BLOBS, userId);
+    return roleNames;
   }
   
 }

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