feat: add in-place editing functionality for classes and instructors with dedicated API routes.

src/app/admin/branches/BranchList.tsx

@@ -1,9 +1,12 @@
 'use client';
+import { useState } from 'react';
 import { useRouter } from 'next/navigation';
 import styles from './branches.module.css';
 
 export function BranchList({ branches }: { branches: any[] }) {
     const router = useRouter();
+    const [editingId, setEditingId] = useState<string | null>(null);
+    const [editForm, setEditForm] = useState<any>(null);
 
     const handleDelete = async (id: string) => {
         if (!confirm('Silmek istediğinize emin misiniz?')) return;
@@ -11,17 +14,92 @@ export function BranchList({ branches }: { branches: any[] }) {
         router.refresh();
     };
 
+    const startEdit = (branch: any) => {
+        setEditingId(branch.id);
+        setEditForm({
+            name: branch.name,
+            phone: branch.phone || '',
+            address: branch.address || '',
+            hallCount: branch.hallCount?.toString() || '1'
+        });
+    };
+
+    const handleUpdate = async (e: React.FormEvent) => {
+        e.preventDefault();
+        const res = await fetch(`/api/branches/${editingId}`, {
+            method: 'PUT',
+            body: JSON.stringify(editForm),
+            headers: { 'Content-Type': 'application/json' }
+        });
+
+        if (res.ok) {
+            setEditingId(null);
+            router.refresh();
+        } else {
+            alert('Güncelleme başarısız oldu.');
+        }
+    };
+
     return (
         <div className={styles.list}>
             {branches.map(b => (
                 <div key={b.id} className={styles.card}>
+                    {editingId === b.id ? (
+                        <form onSubmit={handleUpdate} style={{ width: '100%', display: 'flex', gap: '1rem', flexWrap: 'wrap', alignItems: 'flex-end' }}>
+                            <div className={styles.inputGroup}>
+                                <label>Şube Adı</label>
+                                <input
+                                    value={editForm.name}
+                                    onChange={e => setEditForm({ ...editForm, name: e.target.value })}
+                                    className={styles.input}
+                                    required
+                                />
+                            </div>
+                            <div className={styles.inputGroup}>
+                                <label>Telefon</label>
+                                <input
+                                    value={editForm.phone}
+                                    onChange={e => setEditForm({ ...editForm, phone: e.target.value })}
+                                    className={styles.input}
+                                />
+                            </div>
+                            <div className={styles.inputGroup}>
+                                <label>Adres</label>
+                                <input
+                                    value={editForm.address}
+                                    onChange={e => setEditForm({ ...editForm, address: e.target.value })}
+                                    className={styles.input}
+                                />
+                            </div>
+                            <div className={styles.inputGroup}>
+                                <label>Salon Sayısı</label>
+                                <input
+                                    type="number"
+                                    min="1"
+                                    value={editForm.hallCount}
+                                    onChange={e => setEditForm({ ...editForm, hallCount: e.target.value })}
+                                    className={styles.input}
+                                />
+                            </div>
+                            <div style={{ display: 'flex', gap: '0.5rem' }}>
+                                <button type="submit" className={styles.btn} style={{ background: '#2e7d32' }}>Kaydet</button>
+                                <button type="button" onClick={() => setEditingId(null)} className={styles.btn}>İptal</button>
+                            </div>
+                        </form>
+                    ) : (
+                        <>
                             <div>
                                 <h3>{b.name}</h3>
                                 <p>{b.phone ? `Tel: ${b.phone}` : 'Telefon yok'} | {b.address || 'Adres yok'}</p>
                                 <small>Salon Sayısı: {b.hallCount || 1}</small>
                             </div>
+                            <div style={{ display: 'flex', gap: '0.5rem' }}>
+                                <button onClick={() => startEdit(b)} className={styles.btn} style={{ background: '#ffa000' }}>Düzenle</button>
                                 <button onClick={() => handleDelete(b.id)} className={`${styles.btn} ${styles.btnDelete}`}>Sil</button>
                             </div>
+                        </>
+                    )}
+                </div>
             ))}
         </div>
     );

src/app/admin/classes/ClassList.tsx

@@ -1,9 +1,20 @@
 'use client';
+import { useState } from 'react';
 import { useRouter } from 'next/navigation';
 import styles from '../branches/branches.module.css';
 
-export function ClassList({ classes }: { classes: any[] }) {
+export function ClassList({
+    classes,
+    branches,
+    instructors
+}: {
+    classes: any[],
+    branches: any[],
+    instructors: any[]
+}) {
     const router = useRouter();
+    const [editingId, setEditingId] = useState<string | null>(null);
+    const [editForm, setEditForm] = useState<any>(null);
 
     const handleDelete = async (id: string) => {
         if (!confirm('Silmek istediğinize emin misiniz?')) return;
@@ -11,17 +22,102 @@ export function ClassList({ classes }: { classes: any[] }) {
         router.refresh();
     };
 
+    const startEdit = (c: any) => {
+        setEditingId(c.id);
+        setEditForm({
+            name: c.name,
+            description: c.description || '',
+            branchId: c.branchId,
+            instructorId: c.instructorId || ''
+        });
+    };
+
+    const handleUpdate = async (e: React.FormEvent) => {
+        e.preventDefault();
+        const res = await fetch(`/api/classes/${editingId}`, {
+            method: 'PATCH',
+            body: JSON.stringify(editForm),
+            headers: { 'Content-Type': 'application/json' }
+        });
+
+        if (res.ok) {
+            setEditingId(null);
+            router.refresh();
+        } else {
+            alert('Güncelleme başarısız oldu.');
+        }
+    };
+
     return (
         <div className={styles.list}>
             {classes.map(c => (
                 <div key={c.id} className={styles.card}>
+                    {editingId === c.id ? (
+                        <form onSubmit={handleUpdate} style={{ width: '100%', display: 'flex', gap: '1rem', flexWrap: 'wrap', alignItems: 'flex-end' }}>
+                            <div className={styles.inputGroup}>
+                                <label>Sınıf Adı</label>
+                                <input
+                                    value={editForm.name}
+                                    onChange={e => setEditForm({ ...editForm, name: e.target.value })}
+                                    className={styles.input}
+                                    required
+                                />
+                            </div>
+                            <div className={styles.inputGroup}>
+                                <label>Açıklama</label>
+                                <input
+                                    value={editForm.description}
+                                    onChange={e => setEditForm({ ...editForm, description: e.target.value })}
+                                    className={styles.input}
+                                />
+                            </div>
+                            <div className={styles.inputGroup}>
+                                <label>Şube</label>
+                                <select
+                                    value={editForm.branchId}
+                                    onChange={e => setEditForm({ ...editForm, branchId: e.target.value })}
+                                    className={styles.input}
+                                    required
+                                >
+                                    <option value="">Şube Seçiniz</option>
+                                    {branches.map(b => (
+                                        <option key={b.id} value={b.id}>{b.name}</option>
+                                    ))}
+                                </select>
+                            </div>
+                            <div className={styles.inputGroup}>
+                                <label>Eğitmen</label>
+                                <select
+                                    value={editForm.instructorId}
+                                    onChange={e => setEditForm({ ...editForm, instructorId: e.target.value })}
+                                    className={styles.input}
+                                >
+                                    <option value="">Eğitmen Seçiniz</option>
+                                    {instructors.map(i => (
+                                        <option key={i.id} value={i.id}>{i.name}</option>
+                                    ))}
+                                </select>
+                            </div>
+                            <div style={{ display: 'flex', gap: '0.5rem' }}>
+                                <button type="submit" className={styles.btn} style={{ background: '#2e7d32' }}>Kaydet</button>
+                                <button type="button" onClick={() => setEditingId(null)} className={styles.btn}>İptal</button>
+                            </div>
+                        </form>
+                    ) : (
+                        <>
                             <div>
                                 <h3>{c.name}</h3>
                                 <p>Şube: {c.branch?.name}</p>
                                 {c.instructor && <p>Hoca: {c.instructor.name}</p>}
+                                <small>{c.description}</small>
                             </div>
+                            <div style={{ display: 'flex', gap: '0.5rem' }}>
+                                <button onClick={() => startEdit(c)} className={styles.btn} style={{ background: '#ffa000' }}>Düzenle</button>
                                 <button onClick={() => handleDelete(c.id)} className={`${styles.btn} ${styles.btnDelete}`}>Sil</button>
                             </div>
+                        </>
+                    )}
+                </div>
             ))}
         </div>
     );

src/app/admin/classes/page.tsx

@@ -4,9 +4,11 @@ import { ClassList } from './ClassList';
 import styles from '../branches/branches.module.css';
 
 export default async function Page() {
-    const classes = await prisma.danceClass.findMany({ include: { branch: true, instructor: true }, orderBy: { createdAt: 'desc' } });
-    const branches = await prisma.branch.findMany();
-    const instructors = await prisma.instructor.findMany();
+    const [classes, branches, instructors] = await Promise.all([
+        prisma.danceClass.findMany({ include: { branch: true, instructor: true }, orderBy: { createdAt: 'desc' } }),
+        prisma.branch.findMany({ select: { id: true, name: true } }),
+        prisma.instructor.findMany({ select: { id: true, name: true } })
+    ]);
 
     return (
         <div className={styles.container}>
@@ -14,7 +16,7 @@ export default async function Page() {
                 <h1>Sınıflar</h1>
             </div>
             <AddClassForm branches={branches} instructors={instructors} />
-            <ClassList classes={classes} />
+            <ClassList classes={classes} branches={branches} instructors={instructors} />
         </div>
     );
 }

src/app/admin/instructors/InstructorList.tsx

@@ -1,9 +1,12 @@
 'use client';
+import { useState } from 'react';
 import { useRouter } from 'next/navigation';
 import styles from '../branches/branches.module.css';
 
 export function InstructorList({ instructors }: { instructors: any[] }) {
     const router = useRouter();
+    const [editingId, setEditingId] = useState<string | null>(null);
+    const [editForm, setEditForm] = useState<any>(null);
 
     const handleDelete = async (id: string) => {
         if (!confirm('Silmek istediğinize emin misiniz?')) return;
@@ -11,16 +14,80 @@ export function InstructorList({ instructors }: { instructors: any[] }) {
         router.refresh();
     };
 
+    const startEdit = (instructor: any) => {
+        setEditingId(instructor.id);
+        setEditForm({
+            name: instructor.name,
+            phone: instructor.phone || '',
+            bio: instructor.bio || ''
+        });
+    };
+
+    const handleUpdate = async (e: React.FormEvent) => {
+        e.preventDefault();
+        const res = await fetch(`/api/instructors/${editingId}`, {
+            method: 'PATCH',
+            body: JSON.stringify(editForm),
+            headers: { 'Content-Type': 'application/json' }
+        });
+
+        if (res.ok) {
+            setEditingId(null);
+            router.refresh();
+        } else {
+            alert('Güncelleme başarısız oldu.');
+        }
+    };
+
     return (
         <div className={styles.list}>
             {instructors.map(i => (
                 <div key={i.id} className={styles.card}>
-                    <div>
-                        <h3>{i.name}</h3>
-                        <p>{i.bio}</p>
+                    {editingId === i.id ? (
+                        <form onSubmit={handleUpdate} style={{ width: '100%', display: 'flex', gap: '1rem', flexWrap: 'wrap', alignItems: 'flex-end' }}>
+                            <div className={styles.inputGroup}>
+                                <label>Hoca Adı</label>
+                                <input
+                                    value={editForm.name}
+                                    onChange={e => setEditForm({ ...editForm, name: e.target.value })}
+                                    className={styles.input}
+                                    required
+                                />
                             </div>
+                            <div className={styles.inputGroup}>
+                                <label>Telefon</label>
+                                <input
+                                    value={editForm.phone}
+                                    onChange={e => setEditForm({ ...editForm, phone: e.target.value })}
+                                    className={styles.input}
+                                />
+                            </div>
+                            <div className={styles.inputGroup}>
+                                <label>Biyo</label>
+                                <input
+                                    value={editForm.bio}
+                                    onChange={e => setEditForm({ ...editForm, bio: e.target.value })}
+                                    className={styles.input}
+                                />
+                            </div>
+                            <div style={{ display: 'flex', gap: '0.5rem' }}>
+                                <button type="submit" className={styles.btn} style={{ background: '#2e7d32' }}>Kaydet</button>
+                                <button type="button" onClick={() => setEditingId(null)} className={styles.btn}>İptal</button>
+                            </div>
+                        </form>
+                    ) : (
+                        <>
+                            <div>
+                                <h3>{i.name} {i.phone && <small>({i.phone})</small>}</h3>
+                                <p>{i.bio || 'Biyografi bulunmuyor'}</p>
+                            </div>
+                            <div style={{ display: 'flex', gap: '0.5rem' }}>
+                                <button onClick={() => startEdit(i)} className={styles.btn} style={{ background: '#ffa000' }}>Düzenle</button>
                                 <button onClick={() => handleDelete(i.id)} className={`${styles.btn} ${styles.btnDelete}`}>Sil</button>
                             </div>
+                        </>
+                    )}
+                </div>
             ))}
         </div>
     );

src/app/api/classes/[id]/route.ts

@@ -1,6 +1,28 @@
 import { NextResponse } from 'next/server';
 import { prisma } from '@/infrastructure/db/prisma';
 
+export async function PATCH(
+    request: Request,
+    { params }: { params: Promise<{ id: string }> }
+) {
+    try {
+        const { id } = await params;
+        const json = await request.json();
+        const danceClass = await prisma.danceClass.update({
+            where: { id },
+            data: {
+                name: json.name,
+                description: json.description,
+                branchId: json.branchId,
+                instructorId: json.instructorId
+            },
+        });
+        return NextResponse.json({ success: true, danceClass });
+    } catch (error) {
+        return NextResponse.json({ error: 'Failed to update class' }, { status: 500 });
+    }
+}
+
 export async function DELETE(
     request: Request,
     { params }: { params: Promise<{ id: string }> }

src/app/api/instructors/[id]/route.ts

@@ -1,6 +1,27 @@
 import { NextResponse } from 'next/server';
 import { prisma } from '@/infrastructure/db/prisma';
 
+export async function PATCH(
+    request: Request,
+    { params }: { params: Promise<{ id: string }> }
+) {
+    try {
+        const { id } = await params;
+        const json = await request.json();
+        const instructor = await prisma.instructor.update({
+            where: { id },
+            data: {
+                name: json.name,
+                bio: json.bio,
+                phone: json.phone
+            },
+        });
+        return NextResponse.json({ success: true, instructor });
+    } catch (error) {
+        return NextResponse.json({ error: 'Failed to update instructor' }, { status: 500 });
+    }
+}
+
 export async function DELETE(
     request: Request,
     { params }: { params: Promise<{ id: string }> }