react blog - #1
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2. implemented the edit and delete functionality
| const confirmDelete = window.confirm("Are you sure you want to delete this blog?"); | ||
| if (!confirmDelete) return; | ||
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| try { |
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| fetch("http://localhost:5000/list") | ||
| .then((response) => response.json()) | ||
| .then((data) => { | ||
| setBlogs(data); | ||
| setLoading(false); | ||
| }) | ||
| .catch((error) => { | ||
| console.error("Error fetching blogs:", error); | ||
| setLoading(false); | ||
| }); | ||
| }, []); | ||
| }; |
| console.error("Error during submission:", error); | ||
| alert("Network error. Please try again later."); | ||
| alert("An error occurred while saving the blog."); | ||
| } |
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| app.put("/bloglist/:id", (req, res) => { | ||
| const { id } = req.params; | ||
| const { title, category, content, postedBy, date } = req.body; | ||
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| if (!title || !category || !content || !postedBy || !date) { | ||
| return res.status(400).json({ message: "All fields are required." }); | ||
| } | ||
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| const blogs = readDataFromFile(); | ||
| const blogIndex = blogs.findIndex((blog) => blog.id === parseInt(id)); | ||
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| if (blogIndex === -1) { | ||
| return res.status(404).json({ message: "Blog not found." }); | ||
| } | ||
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| blogs[blogIndex] = { id: parseInt(id), title, category, content, postedBy, date }; | ||
| writeDataToFile(blogs); | ||
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| res.status(200).json({ | ||
| message: "Blog updated successfully!", | ||
| blog: blogs[blogIndex], | ||
| }); | ||
| }); |
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| app.delete("/bloglist/:id", (req, res) => { | ||
| const { id } = req.params; | ||
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| const blogs = readDataFromFile(); | ||
| const filteredBlogs = blogs.filter((blog) => blog.id !== parseInt(id)); | ||
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| if (blogs.length === filteredBlogs.length) { | ||
| return res.status(404).json({ message: "Blog not found." }); | ||
| } | ||
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| writeDataToFile(filteredBlogs); | ||
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| res.status(200).json({ message: "Blog deleted successfully!" }); | ||
| }); |
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