labwork06 with report

hooks/useMovieForm.js

@@ -0,0 +1,39 @@
+import { useEffect, useState } from 'react';
+
+export function useMovieForm(initialData = {}, onSubmit) {
+    const [formData, setFormData] = useState({
+        title: '',
+        poster: ''
+    });
+
+    useEffect(() => {
+        if (initialData) {
+            setFormData({
+                title: initialData.title || '',
+                poster: initialData.poster || ''
+            });
+        }
+    }, [initialData]);
+
+    const handleChange = (e) => {
+        const { name, value } = e.target;
+        setFormData(prev => ({
+            ...prev,
+            [name]: value
+        }));
+    };
+
+    const handleSubmit = (e) => {
+        e.preventDefault();
+        onSubmit({
+            ...initialData,
+            ...formData
+        });
+    };
+
+    return {
+        formData,
+        handleChange,
+        handleSubmit
+    };
+}

hooks/useMovies.js

@@ -0,0 +1,71 @@
+import { useEffect, useState } from 'react';
+
+export function useMovies() {
+    const [movies, setMovies] = useState([]);
+    const [loading, setLoading] = useState(false);
+    const [error, setError] = useState(null);
+
+    useEffect(() => {
+        const fetchMovies = async () => {
+            setLoading(true);
+            try {
+                const response = await fetch('http://localhost:3001/movies');
+                if (!response.ok) throw new Error('Network response was not ok');
+                const data = await response.json();
+                setMovies(data);
+            } catch (err) {
+                setError(err.message);
+            } finally {
+                setLoading(false);
+            }
+        };
+
+        fetchMovies();
+    }, []);
+
+    const addMovie = async (movieData) => {
+        try {
+            const response = await fetch('http://localhost:3001/movies', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify(movieData),
+            });
+            const newMovie = await response.json();
+            setMovies(prev => [...prev, newMovie]);
+            return true;
+        } catch (err) {
+            setError(err.message);
+            return false;
+        }
+    };
+
+    const updateMovie = async (movieData) => {
+        try {
+            await fetch(`http://localhost:3001/movies/${movieData.id}`, {
+                method: 'PUT',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify(movieData),
+            });
+            setMovies(prev => prev.map(m => m.id === movieData.id ? movieData : m));
+            return true;
+        } catch (err) {
+            setError(err.message);
+            return false;
+        }
+    };
+
+    const deleteMovie = async (id) => {
+        try {
+            await fetch(`http://localhost:3001/movies/${id}`, {
+                method: 'DELETE',
+            });
+            setMovies(prev => prev.filter(m => m.id !== id));
+            return true;
+        } catch (err) {
+            setError(err.message);
+            return false;
+        }
+    };
+
+    return { movies, loading, error, addMovie, updateMovie, deleteMovie };
+}

src/pages/Movies.jsx

@@ -1,65 +1,38 @@
-import { useEffect, useState } from 'react'
+import { useState } from 'react';
-import Footer from '../components/Footer'
+import { useMovies } from '../../hooks/useMovies';
-import Header from '../components/Header'
+import Footer from '../components/Footer';
-import MovieCard from '../components/MovieCard'
+import Header from '../components/Header';
-import MovieForm from '../components/MovieForm'
+import MovieCard from '../components/MovieCard';
+import MovieForm from '../components/MovieForm';
 
 export default function Movies() {
-    const [movies, setMovies] = useState([])
+    const { movies, addMovie, updateMovie, deleteMovie } = useMovies();
-    const [showForm, setShowForm] = useState(false)
+    const [showForm, setShowForm] = useState(false);
-    const [editingMovie, setEditing] = useState(null)
+    const [editingMovie, setEditingMovie] = useState(null);
-
-    useEffect(() => {
-        fetch('http://localhost:3001/movies')
-            .then(res => res.json())
-            .then(data => setMovies(data))
-    }, [])
 
     const handleAdd = () => {
-        setEditing(null)
+        setEditingMovie(null);
-        setShowForm(true)
+        setShowForm(true);
-    }
+    };
 
     const handleEdit = (movie) => {
-        setEditing(movie)
+        setEditingMovie(movie);
-        setShowForm(true)
+        setShowForm(true);
-    }
+    };
 
-    const handleDelete = (id) => {
+    const handleDelete = async (id) => {
-        fetch(`http://localhost:3001/movies/${id}`, {
+        await deleteMovie(id);
-            method: 'DELETE',
+    };
-        }).then(() => {
-            setMovies(prev => prev.filter(m => m.id !== id))
-        })
-    }
 
-    const handleSubmit = (movieData) => {
+    const handleSubmit = async (movieData) => {
-        if (editingMovie) {
+        const success = editingMovie
-            fetch(`http://localhost:3001/movies/${movieData.id}`, {
+            ? await updateMovie(movieData)
-                method: 'PUT',
+            : await addMovie(movieData);
-                headers: {
+
-                    'Content-Type': 'application/json',
+        if (success) {
-                },
+            setShowForm(false);
-                body: JSON.stringify(movieData),
-            }).then(() => {
-                setMovies(prev => prev.map(m => m.id === movieData.id ? movieData : m))
-                setShowForm(false)
-            })
-        } else {
-            fetch('http://localhost:3001/movies', {
-                method: 'POST',
-                headers: {
-                    'Content-Type': 'application/json',
-                },
-                body: JSON.stringify(movieData),
-            })
-                .then(res => res.json())
-                .then(newMovie => {
-                    setMovies(prev => [...prev, newMovie])
-                    setShowForm(false)
-                })
         }
-    }
+    };
 
     return (
         <>
@@ -92,5 +65,5 @@ export default function Movies() {
             </div>
             <Footer />
         </>
-    )
+    );
 }