feat(dashboard): เพมสวนจดการ user

frontend/app/(protected)/admin/_components/confirm-delete-dialog.jsx

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+// File: frontend/app/(protected)/admin/_components/confirm-delete-dialog.jsx
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog"
+import { Button } from "@/components/ui/button"
+
+export function ConfirmDeleteDialog({
+  isOpen,
+  setIsOpen,
+  title,
+  description,
+  onConfirm,
+  isLoading,
+}) {
+  return (
+    <AlertDialog open={isOpen} onOpenChange={setIsOpen}>
+      <AlertDialogContent>
+        <AlertDialogHeader>
+          <AlertDialogTitle>{title}</AlertDialogTitle>
+          <AlertDialogDescription>{description}</AlertDialogDescription>
+        </AlertDialogHeader>
+        <AlertDialogFooter>
+          <AlertDialogCancel disabled={isLoading}>Cancel</AlertDialogCancel>
+          <AlertDialogAction onClick={onConfirm} disabled={isLoading} className="bg-red-600 hover:bg-red-700">
+            {isLoading ? 'Processing...' : 'Confirm'}
+          </AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+  );
+}

frontend/app/(protected)/admin/_components/role-form-dialog.jsx

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+// File: frontend/app/(protected)/admin/_components/role-form-dialog.jsx
+'use client';
+
+import { useState, useEffect } from 'react';
+import api from '@/lib/api';
+import { Button } from '@/components/ui/button';
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogDescription,
+  DialogFooter,
+} from '@/components/ui/dialog';
+import { Input } from '@/components/ui/input';
+import { Label } from '@/components/ui/label';
+import { Checkbox } from '@/components/ui/checkbox';
+import { ScrollArea } from '@/components/ui/scroll-area';
+
+export function RoleFormDialog({ role, allPermissions, isOpen, setIsOpen, onSuccess }) {
+  const [formData, setFormData] = useState({ name: '', description: '' });
+  const [selectedPermissions, setSelectedPermissions] = useState(new Set());
+  const [isLoading, setIsLoading] = useState(false);
+  const [error, setError] = useState('');
+
+  const isEditMode = !!role;
+
+  useEffect(() => {
+    if (isOpen) {
+      if (isEditMode) {
+        setFormData({ name: role.name, description: role.description || '' });
+        setSelectedPermissions(new Set(role.Permissions?.map(p => p.id) || []));
+      } else {
+        setFormData({ name: '', description: '' });
+        setSelectedPermissions(new Set());
+      }
+      setError('');
+    }
+  }, [role, isOpen]);
+
+  const handleInputChange = (e) => {
+    const { id, value } = e.target;
+    setFormData((prev) => ({ ...prev, [id]: value }));
+  };
+  
+  const handlePermissionChange = (permissionId) => {
+    setSelectedPermissions(prev => {
+      const newSet = new Set(prev);
+      if (newSet.has(permissionId)) {
+        newSet.delete(permissionId);
+      } else {
+        newSet.add(permissionId);
+      }
+      return newSet;
+    });
+  };
+
+  const handleSubmit = async (e) => {
+    e.preventDefault();
+    setIsLoading(true);
+    setError('');
+
+    try {
+      if (isEditMode) {
+        // ในโหมดแก้ไข เราจะอัปเดตสิทธิ์เสมอ
+        await api.put(`/rbac/roles/${role.id}/permissions`, { 
+          permissionIds: Array.from(selectedPermissions) 
+        });
+        // (Optional) อาจจะเพิ่มการแก้ไขชื่อ/description ของ role ที่นี่ด้วยก็ได้
+        // await api.put(`/rbac/roles/${role.id}`, { name: formData.name, description: formData.description });
+      } else {
+        // ในโหมดสร้างใหม่
+        const newRoleRes = await api.post('/rbac/roles', formData);
+        // ถ้าสร้าง Role สำเร็จ และมีการเลือก Permission ไว้ ให้ทำการผูกสิทธิ์ทันที
+        if (newRoleRes.data && selectedPermissions.size > 0) {
+            await api.put(`/rbac/roles/${newRoleRes.data.id}/permissions`, {
+                permissionIds: Array.from(selectedPermissions)
+            });
+        }
+      }
+      onSuccess();
+      setIsOpen(false);
+    } catch (err) {
+      setError(err.response?.data?.message || 'An unexpected error occurred.');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <Dialog open={isOpen} onOpenChange={setIsOpen}>
+      <DialogContent className="sm:max-w-md">
+        <form onSubmit={handleSubmit}>
+          <DialogHeader>
+            <DialogTitle>{isEditMode ? `Edit Permissions for ${role.name}` : 'Create New Role'}</DialogTitle>
+            <DialogDescription>
+              Select the permissions for this role.
+            </DialogDescription>
+          </DialogHeader>
+          
+          <div className="py-4 space-y-4">
+            {!isEditMode && (
+              <>
+                <div className="space-y-1">
+                  <Label htmlFor="name">Role Name</Label>
+                  <Input id="name" value={formData.name} onChange={handleInputChange} required />
+                </div>
+                <div className="space-y-1">
+                  <Label htmlFor="description">Description</Label>
+                  <Input id="description" value={formData.description} onChange={handleInputChange} />
+                </div>
+              </>
+            )}
+
+            <div>
+              <Label>Permissions</Label>
+              <ScrollArea className="h-60 w-full rounded-md border p-4 mt-1">
+                <div className="space-y-2">
+                  {allPermissions.map(perm => (
+                    <div key={perm.id} className="flex items-center space-x-2">
+                      <Checkbox
+                        id={`perm-${perm.id}`}
+                        checked={selectedPermissions.has(perm.id)}
+                        onCheckedChange={() => handlePermissionChange(perm.id)}
+                      />
+                      <label htmlFor={`perm-${perm.id}`} className="text-sm font-medium leading-none">
+                        {perm.name}
+                      </label>
+                    </div>
+                  ))}
+                </div>
+              </ScrollArea>
+            </div>
+          </div>
+
+          {error && <p className="text-sm text-red-500 text-center pb-2">{error}</p>}
+          <DialogFooter>
+            <Button type="submit" disabled={isLoading}>
+              {isLoading ? 'Saving...' : 'Save Changes'}
+            </Button>
+          </DialogFooter>
+        </form>
+      </DialogContent>
+    </Dialog>
+  );
+}

frontend/app/(protected)/admin/_components/user-form-dialog.jsx

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+// File: frontend/app/(protected)/admin/users/_components/user-form-dialog.jsx
+'use client';
+
+import { useState, useEffect } from 'react';
+import api from '@/lib/api';
+import { Button } from '@/components/ui/button';
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogDescription,
+  DialogFooter,
+} from '@/components/ui/dialog';
+import { Input } from '@/components/ui/input';
+import { Label } from '@/components/ui/label';
+import { Switch } from '@/components/ui/switch';
+import { Checkbox } from "@/components/ui/checkbox"
+
+export function UserFormDialog({ user, isOpen, setIsOpen, onSuccess }) {
+  const [formData, setFormData] = useState({});
+  const [allRoles, setAllRoles] = useState([]);
+  const [selectedRoles, setSelectedRoles] = useState(new Set());
+  const [isLoading, setIsLoading] = useState(false);
+  const [error, setError] = useState('');
+
+  const isEditMode = !!user;
+
+  useEffect(() => {
+    // ดึงข้อมูล Role ทั้งหมดมาเตรียมไว้
+    const fetchRoles = async () => {
+      try {
+        const res = await api.get('/rbac/roles');
+        setAllRoles(res.data);
+      } catch (err) {
+        console.error('Failed to fetch roles', err);
+      }
+    };
+    fetchRoles();
+  }, []);
+
+  useEffect(() => {
+    // เมื่อ user prop เปลี่ยน (เปิด dialog เพื่อแก้ไข) ให้ตั้งค่าฟอร์ม
+    if (isEditMode) {
+      setFormData({
+        username: user.username,
+        email: user.email,
+        first_name: user.first_name || '',
+        last_name: user.last_name || '',
+        is_active: user.is_active,
+      });
+      setSelectedRoles(new Set(user.Roles?.map(role => role.id) || []));
+    } else {
+      // ถ้าเป็นการสร้างใหม่ ให้เคลียร์ฟอร์ม
+      setFormData({
+        username: '',
+        email: '',
+        password: '',
+        first_name: '',
+        last_name: '',
+        is_active: true,
+      });
+      setSelectedRoles(new Set());
+    }
+    setError('');
+  }, [user, isOpen]);
+
+  const handleInputChange = (e) => {
+    const { id, value } = e.target;
+    setFormData((prev) => ({ ...prev, [id]: value }));
+  };
+  
+  const handleRoleChange = (roleId) => {
+    setSelectedRoles(prev => {
+        const newSet = new Set(prev);
+        if (newSet.has(roleId)) {
+            newSet.delete(roleId);
+        } else {
+            newSet.add(roleId);
+        }
+        return newSet;
+    });
+  };
+
+  const handleSubmit = async (e) => {
+    e.preventDefault();
+    setIsLoading(true);
+    setError('');
+
+    const payload = { ...formData, roles: Array.from(selectedRoles) };
+    
+    try {
+      if (isEditMode) {
+        await api.put(`/users/${user.id}`, payload);
+      } else {
+        await api.post('/users', payload);
+      }
+      onSuccess(); // บอกให้หน้าหลัก refresh ข้อมูล
+      setIsOpen(false); // ปิด Dialog
+    } catch (err) {
+      setError(err.response?.data?.message || 'An unexpected error occurred.');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <Dialog open={isOpen} onOpenChange={setIsOpen}>
+      <DialogContent className="sm:max-w-[425px]">
+        <form onSubmit={handleSubmit}>
+          <DialogHeader>
+            <DialogTitle>{isEditMode ? 'Edit User' : 'Create New User'}</DialogTitle>
+            <DialogDescription>
+              {isEditMode ? `Editing ${user.username}` : 'Fill in the details for the new user.'}
+            </DialogDescription>
+          </DialogHeader>
+          <div className="grid gap-4 py-4">
+            <div className="grid grid-cols-4 items-center gap-4">
+              <Label htmlFor="username" className="text-right">Username</Label>
+              <Input id="username" value={formData.username || ''} onChange={handleInputChange} className="col-span-3" required disabled={isEditMode} />
+            </div>
+            <div className="grid grid-cols-4 items-center gap-4">
+              <Label htmlFor="email" className="text-right">Email</Label>
+              <Input id="email" type="email" value={formData.email || ''} onChange={handleInputChange} className="col-span-3" required />
+            </div>
+            {!isEditMode && (
+              <div className="grid grid-cols-4 items-center gap-4">
+                <Label htmlFor="password" className="text-right">Password</Label>
+                <Input id="password" type="password" value={formData.password || ''} onChange={handleInputChange} className="col-span-3" required />
+              </div>
+            )}
+            <div className="grid grid-cols-4 items-center gap-4">
+              <Label htmlFor="first_name" className="text-right">First Name</Label>
+              <Input id="first_name" value={formData.first_name || ''} onChange={handleInputChange} className="col-span-3" />
+            </div>
+             <div className="grid grid-cols-4 items-center gap-4">
+              <Label htmlFor="last_name" className="text-right">Last Name</Label>
+              <Input id="last_name" value={formData.last_name || ''} onChange={handleInputChange} className="col-span-3" />
+            </div>
+            <div className="grid grid-cols-4 items-center gap-4">
+              <Label htmlFor="roles" className="text-right">Roles</Label>
+              <div className="col-span-3 space-y-2">
+                 {allRoles.map(role => (
+                    <div key={role.id} className="flex items-center space-x-2">
+                        <Checkbox 
+                            id={`role-${role.id}`} 
+                            checked={selectedRoles.has(role.id)}
+                            onCheckedChange={() => handleRoleChange(role.id)}
+                        />
+                        <label htmlFor={`role-${role.id}`} className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70">
+                            {role.name}
+                        </label>
+                    </div>
+                 ))}
+              </div>
+            </div>
+            <div className="grid grid-cols-4 items-center gap-4">
+              <Label htmlFor="is_active" className="text-right">Active</Label>
+              <Switch id="is_active" checked={formData.is_active || false} onCheckedChange={(checked) => setFormData(prev => ({...prev, is_active: checked}))} />
+            </div>
+          </div>
+          {error && <p className="text-sm text-red-500 text-center">{error}</p>}
+          <DialogFooter>
+            <Button type="submit" disabled={isLoading}>
+              {isLoading ? 'Saving...' : 'Save Changes'}
+            </Button>
+          </DialogFooter>
+        </form>
+      </DialogContent>
+    </Dialog>
+  );
+}

frontend/app/(protected)/admin/layout.jsx

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+// File: frontend/app/(protected)/admin/layout.jsx
+'use client';
+
+import Link from 'next/link';
+import { usePathname } from 'next/navigation';
+import { Users, ShieldCheck } from 'lucide-react';
+import { cn } from '@/lib/utils'; // ตรวจสอบว่า import cn มาจากที่ถูกต้อง
+
+export default function AdminLayout({ children }) {
+  const pathname = usePathname();
+
+  const navLinks = [
+    { href: '/admin/users', label: 'User Management', icon: Users },
+    { href: '/admin/roles', label: 'Role & Permission', icon: ShieldCheck },
+  ];
+
+  return (
+    <div className="flex flex-col gap-6">
+      <div>
+        <h1 className="text-3xl font-bold">Admin Settings</h1>
+        <p className="text-muted-foreground">Manage users, roles, and system permissions.</p>
+      </div>
+      <div className="flex border-b">
+        {navLinks.map(({ href, label, icon: Icon }) => (
+          <Link
+            key={href}
+            href={href}
+            className={cn(
+              'flex items-center gap-2 px-4 py-2 -mb-px border-b-2 text-sm font-medium transition-colors',
+              pathname === href
+                ? 'border-primary text-primary'
+                : 'border-transparent text-muted-foreground hover:text-foreground'
+            )}
+          >
+            <Icon className="h-4 w-4" />
+            {label}
+          </Link>
+        ))}
+      </div>
+      <div>{children}</div>
+    </div>
+  );
+}

frontend/app/(protected)/admin/roles/page.jsx

@@ -0,0 +1,105 @@
+// File: frontend/app/(protected)/admin/roles/page.jsx
+'use client';
+
+import { useState, useEffect } from 'react';
+import api from '@/lib/api';
+import { Button } from '@/components/ui/button';
+import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
+import { Badge } from '@/components/ui/badge';
+import { ShieldCheck, PlusCircle } from 'lucide-react';
+
+// Import Dialog component ที่เราเพิ่งสร้าง
+import { RoleFormDialog } from '../_components/role-form-dialog';
+
+export default function RolesPage() {
+  const [roles, setRoles] = useState([]);
+  const [allPermissions, setAllPermissions] = useState([]);
+  const [loading, setLoading] = useState(true);
+
+  // State สำหรับควบคุม Dialog
+  const [isFormOpen, setIsFormOpen] = useState(false);
+  const [selectedRole, setSelectedRole] = useState(null);
+
+  const fetchData = async () => {
+    try {
+      setLoading(true);
+      const [rolesRes, permsRes] = await Promise.all([
+        api.get('/rbac/roles'),
+        api.get('/rbac/permissions'),
+      ]);
+      setRoles(rolesRes.data);
+      setAllPermissions(permsRes.data);
+    } catch (error) {
+      console.error("Failed to fetch RBAC data", error);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  useEffect(() => {
+    fetchData();
+  }, []);
+
+  const handleCreate = () => {
+    setSelectedRole(null); // ไม่มี Role ที่เลือก = สร้างใหม่
+    setIsFormOpen(true);
+  };
+
+  const handleEdit = (role) => {
+    setSelectedRole(role);
+    setIsFormOpen(true);
+  };
+
+  if (loading) return <div>Loading role settings...</div>;
+
+  return (
+    <>
+      <div className="space-y-4">
+        <div className="flex justify-between items-center">
+            <h2 className="text-2xl font-semibold">Roles & Permissions</h2>
+            <Button onClick={handleCreate}>
+              <PlusCircle className="mr-2 h-4 w-4" /> Add Role
+            </Button>
+          </div>
+        {roles.map(role => (
+          <Card key={role.id}>
+            <CardHeader>
+              <div className="flex justify-between items-start">
+                <div>
+                  <CardTitle className="flex items-center gap-2">
+                    <ShieldCheck className="text-primary" />
+                    {role.name}
+                  </CardTitle>
+                  <CardDescription>{role.description || 'No description'}</CardDescription>
+                </div>
+                <Button variant="outline" size="sm" onClick={() => handleEdit(role)}>
+                    Edit Permissions
+                </Button>
+              </div>
+            </CardHeader>
+            <CardContent>
+              <p className="text-sm font-medium mb-2">Assigned Permissions:</p>
+              <div className="flex flex-wrap gap-2">
+                {role.Permissions.length > 0 ? (
+                  role.Permissions.map(perm => (
+                    <Badge key={perm.id} variant="secondary">{perm.name}</Badge>
+                  ))
+                ) : (
+                  <p className="text-sm text-muted-foreground">No permissions assigned.</p>
+                )}
+              </div>
+            </CardContent>
+          </Card>
+        ))}
+      </div>
+
+      <RoleFormDialog
+        isOpen={isFormOpen}
+        setIsOpen={setIsFormOpen}
+        role={selectedRole}
+        allPermissions={allPermissions}
+        onSuccess={fetchData}
+      />
+    </>
+  );
+}

frontend/app/(protected)/admin/users/page.jsx

@@ -0,0 +1,161 @@
+// File: frontend/app/(protected)/admin/users/page.jsx
+'use client';
+
+import { useState, useEffect } from 'react';
+import { PlusCircle, MoreHorizontal } from 'lucide-react';
+import api from '@/lib/api';
+import { Button } from '@/components/ui/button';
+import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
+import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from '@/components/ui/table';
+import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuLabel, DropdownMenuTrigger } from '@/components/ui/dropdown-menu';
+import { Badge } from '@/components/ui/badge';
+
+// Import components ที่เราเพิ่งสร้าง
+import { UserFormDialog } from '../_components/user-form-dialog';
+import { ConfirmDeleteDialog } from '../_components/confirm-delete-dialog';
+
+
+export default function UsersPage() {
+  const [users, setUsers] = useState([]);
+  const [loading, setLoading] = useState(true);
+  
+  // State สำหรับควบคุม Dialog ทั้งหมด
+  const [isFormOpen, setIsFormOpen] = useState(false);
+  const [isDeleteOpen, setIsDeleteOpen] = useState(false);
+  const [selectedUser, setSelectedUser] = useState(null);
+  const [isSubmitting, setIsSubmitting] = useState(false);
+
+  // Function สำหรับดึงข้อมูลใหม่
+  const fetchUsers = async () => {
+    try {
+      setLoading(true);
+      const res = await api.get('/users');
+      setUsers(res.data);
+    } catch (error) {
+      console.error("Failed to fetch users", error);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  useEffect(() => {
+    fetchUsers();
+  }, []);
+
+  // Handlers สำหรับเปิด Dialog
+  const handleCreate = () => {
+    setSelectedUser(null);
+    setIsFormOpen(true);
+  };
+
+  const handleEdit = (user) => {
+    setSelectedUser(user);
+    setIsFormOpen(true);
+  };
+  
+  const handleDelete = (user) => {
+    setSelectedUser(user);
+    setIsDeleteOpen(true);
+  };
+
+  // Function ที่จะทำงานเมื่อยืนยันการลบ
+  const confirmDeactivate = async () => {
+    if (!selectedUser) return;
+    setIsSubmitting(true);
+    try {
+        await api.delete(`/users/${selectedUser.id}`);
+        fetchUsers(); // Refresh ข้อมูล
+        setIsDeleteOpen(false);
+    } catch (error) {
+        console.error("Failed to deactivate user", error);
+        // ควรมี Alert แจ้งเตือน
+    } finally {
+        setIsSubmitting(false);
+    }
+  };
+
+
+  return (
+    <>
+      <Card>
+        <CardHeader>
+          <div className="flex items-center justify-between">
+            <div>
+              <CardTitle>User Accounts</CardTitle>
+              <CardDescription>Manage all user accounts and their roles.</CardDescription>
+            </div>
+            <Button onClick={handleCreate}>
+              <PlusCircle className="w-4 h-4 mr-2" /> Add User
+            </Button>
+          </div>
+        </CardHeader>
+        <CardContent>
+          <Table>
+            <TableHeader>
+              <TableRow>
+                <TableHead>Username</TableHead>
+                <TableHead>Email</TableHead>
+                <TableHead>Roles</TableHead>
+                <TableHead>Status</TableHead>
+                <TableHead><span className="sr-only">Actions</span></TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {loading ? (
+                <TableRow><TableCell colSpan={5} className="text-center">Loading...</TableCell></TableRow>
+              ) : (
+                users.map((user) => (
+                  <TableRow key={user.id}>
+                    <TableCell className="font-medium">{user.username}</TableCell>
+                    <TableCell>{user.email}</TableCell>
+                    <TableCell>
+                      <div className="flex flex-wrap gap-1">
+                        {user.Roles?.map(role => <Badge key={role.id} variant="secondary">{role.name}</Badge>)}
+                      </div>
+                    </TableCell>
+                    <TableCell>
+                      <Badge variant={user.is_active ? 'default' : 'destructive'}>
+                        {user.is_active ? 'Active' : 'Inactive'}
+                      </Badge>
+                    </TableCell>
+                    <TableCell>
+                      <DropdownMenu>
+                        <DropdownMenuTrigger asChild>
+                          <Button variant="ghost" className="w-8 h-8 p-0"><MoreHorizontal className="w-4 h-4" /></Button>
+                        </DropdownMenuTrigger>
+                        <DropdownMenuContent align="end">
+                          <DropdownMenuLabel>Actions</DropdownMenuLabel>
+                          <DropdownMenuItem onClick={() => handleEdit(user)}>Edit</DropdownMenuItem>
+                          <DropdownMenuItem onClick={() => handleDelete(user)} className="text-red-500">
+                            Deactivate
+                          </DropdownMenuItem>
+                        </DropdownMenuContent>
+                      </DropdownMenu>
+                    </TableCell>
+                  </TableRow>
+                ))
+              )}
+            </TableBody>
+          </Table>
+        </CardContent>
+      </Card>
+
+      {/* Render Dialogs ที่นี่ (มันจะไม่แสดงผลจนกว่า state จะเป็น true) */}
+      <UserFormDialog 
+        user={selectedUser}
+        isOpen={isFormOpen}
+        setIsOpen={setIsFormOpen}
+        onSuccess={fetchUsers}
+      />
+      
+      <ConfirmDeleteDialog
+        isOpen={isDeleteOpen}
+        setIsOpen={setIsDeleteOpen}
+        isLoading={isSubmitting}
+        title="Are you sure?"
+        description={`This will deactivate the user "${selectedUser?.username}". They will no longer be able to log in.`}
+        onConfirm={confirmDeactivate}
+      />
+    </>
+  );
+}