Created
July 20, 2020 14:49
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part5 ex8 weird like update
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//src/App.js | |
const newLike = async (blogObject) => { | |
// here | |
try { | |
const returnedBlog = await blogService.update( | |
blogObject.id, | |
blogObject.body | |
) | |
setBlogs( | |
blogs.map((blog) => (blog.id !== returnedBlog.id ? blog : returnedBlog)) | |
) | |
} catch (exception) { | |
console.log(exception) | |
} | |
} | |
const blogForm = () => { | |
const hideWhenVisible = { display: blogFormVisible ? "none" : "" } | |
const showWhenVisible = { display: blogFormVisible ? "" : "none" } | |
return ( | |
<div> | |
<div style={hideWhenVisible}> | |
<button onClick={() => setBlogFormVisible(true)}> | |
create new blog | |
</button> | |
{blogsSorted.map((blog) => ( | |
// Like is updated here | |
<Blog key={blog.id} blog={blog} updateLike={newLike} /> | |
))} | |
</div> | |
<div style={showWhenVisible}> | |
<BlogForm createBlog={addBlog} /> | |
<div> | |
<button onClick={() => setBlogFormVisible(false)}>cancel</button> | |
</div> | |
</div> | |
</div> | |
) | |
} |
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//components/Blog.js | |
const newLike = (event) => { | |
event.preventDefault() | |
// update is sent here -- likes incremented by 1 | |
updateLike({ | |
id : blog.id, | |
body : { | |
user: blog.user.id, | |
likes: blog.likes + 1, | |
author: blog.author, | |
title: blog.title, | |
url: blog.url | |
} | |
}) | |
} | |
// rendered here | |
return ( | |
<div style={blogStyle}> | |
<div> | |
{blog.title} {blog.author} | |
<button onClick={toggleView}> {visible ? "hide" : "show"} </button> | |
</div> | |
<div style={showWhenVisible}> | |
<div>{blog.url}</div> | |
<div> | |
{blog.likes} | |
<button onClick={newLike}>like</button> | |
</div> | |
// this does not render once I press like | |
<div>{blog.user.name}</div> | |
</div> | |
</div> | |
) |
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//services/blogs.js | |
const update = async (id, newObject) => { | |
const response = await axios.put(`${baseUrl}/${id}`, newObject) | |
return response.data | |
} | |
// this is blogService.update |
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