From 7f8a035fd7d290be1c7ba01956097cab466c9200 Mon Sep 17 00:00:00 2001
From: ulrich <not disclosed>
Date: Tue, 27 Dec 2016 13:34:30 +0000
Subject: [PATCH] UI-Steuerung: Wechsel zwischen Rollen- und Benutzer-Anzeige 

---
 src/java/de/uhilger/um/api/UserMgr.java |   77 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 76 insertions(+), 1 deletions(-)

diff --git a/src/java/de/uhilger/um/api/UserMgr.java b/src/java/de/uhilger/um/api/UserMgr.java
index 17a4210..0c2dd04 100644
--- a/src/java/de/uhilger/um/api/UserMgr.java
+++ b/src/java/de/uhilger/um/api/UserMgr.java
@@ -4,10 +4,14 @@
 import de.uhilger.baselink.Record;
 import de.uhilger.um.App;
 import de.uhilger.um.daten.User;
+import de.uhilger.um.daten.UserRole;
+import java.util.List;
 import org.apache.catalina.realm.RealmBase;
 
 /**
- *
+ * Klasse zur Verwaltung von Benutzern und Rollen 
+ * in einer Datenbank
+ * 
  * @author Ulrich Hilger
  */
 public class UserMgr {
@@ -15,6 +19,15 @@
   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";
+  
+  /* ----------- Benutzer -------------- */
   
   public User createUser(User user) {
     String kw = user.getPw();
@@ -24,4 +37,66 @@
     return user;
   }
   
+  public List getUserNameList() {
+    String sql = App.getSqlStatement(SQL_GET_USER_NAME_LIST);
+    List userNames = App.getDatabase().select(sql, App.WITHOUT_BLOBS);
+    return userNames;
+  }
+  
+  public User deleteUser(User user) {
+    return (User) App.getDatabase().delete(user, UserMapper);
+  }
+  
+  /*
+  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 UserRole grantRole(String userId, String roleName) {
+    UserRole ur = new UserRole();
+    ur.setRole(roleName);
+    ur.setUser(userId);
+    App.getDatabase().insert(ur, UserRoleMapper);
+    return ur;
+  }
+  
+  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() {
+    String sql = App.getSqlStatement(SQL_GET_ROLE_LIST);
+    List roleNames = App.getDatabase().select(sql, App.WITHOUT_BLOBS);
+    return roleNames;
+  }
+  
+  /**
+   * 
+   * 
+   * list.get(recordno).get(fieldno)
+   * 
+   * @param userId  ID des Benutzers
+   * @return List<List<String>> Rollennamen des Benutzers
+   */
+  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;
+  }
+  
+  /* ------------ sonstige Methoden -------------- */
+  
+  public String hallo() {
+    return "Hallo Welt";
+  }
+  
 }

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