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useContext hook for state-management #189

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Merged
merged 1 commit into from
Aug 23, 2022
Merged

useContext hook for state-management #189

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16 changes: 0 additions & 16 deletions data/db.json
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Original file line number Diff line number Diff line change
Expand Up @@ -223,22 +223,6 @@
"datashared": false,
"peerreview": true,
"enforced": "Yes - before application"
},
{
"id": 15,
"title": "Integer Programming, Second Edition",
"authors": "Sm Zobaed, Sameer Seth",
"journaltype": "RESEARCH ARTICLE",
"topic": "General Computing",
"published": "12 July 2022",
"issn": "issn-615-682543",
"updated": "16th Aug 2022",
"link": "https://doi.org/10.1002/agg2.20287",
"policy": "Policy 1",
"dataavail": true,
"datashared": false,
"peerreview": true,
"enforced": "Yes - before application"
}
]
}
304 changes: 33 additions & 271 deletions src/App.js
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Expand Up @@ -13,281 +13,43 @@ import { Journal, Contact, Manifesto, Home } from './pages';
import { Footer, Auth, Header, Login, JournalDetails, AddJournal } from './components';
import Navbar from './components/marginals/Navbar/Navbar';
import Edit from './components/EditJournal/Edit';
import useAxiosFetch from './hooks/useAxiosFetch';
import { DataProvider } from './context/DataContext';

function App() {
const [posts, setPosts] = useState([]);
const [loading, setLoading] = useState(false);
const [currentPage, setCurrentPage] = useState(1);
const [postsPerPage] = useState(5);
const [search, setSearch] = useState('');
const [searchResults, setSearchResults] = useState([]);

const [title, setTitle] = useState('');
const [editTitle, setEditTitle] = useState('');
const [authors, setAuthors] = useState('');
const [editAuthors, setEditAuthors] = useState('');
const [journaltype, setJournaltype] = useState('');
const [editJournaltype, setEditJournaltype] = useState('');
const [topic, setTopic] = useState('');
const [editTopic, setEditTopic] = useState('');
const [published, setPublished] = useState('');
const [issn, setIssn] = useState();
const [editIssn, setEditIssn] = useState();
const [updated, setUpdated] = useState(format(new Date(), 'MMMM dd, yyyyy pp'));
const [link, setLink] = useState('');
const [editLink, setEditLink] = useState('');
const [policy, setPolicy] = useState('policy 1');
const [editPolicy, setEditPolicy] = useState('policy 1');
const [dataavail, setDataavail] = useState(false);
const [editDataavail, setEditDataavail] = useState(false);
const handleChangeData = (nextChecked) => {
setDataavail(nextChecked);
};
const [datashared, setDatashared] = useState(false);
const [editDatashared, setEditDatashared] = useState(false);
const handleChangeData2 = (nextChecked) => {
setDatashared(nextChecked);
};
const [peerreview, setPeerreview] = useState(false);
const [editPeerreview, setEditPeerreview] = useState(false);
const handleChangePeer = (nextChecked) => {
setPeerreview(nextChecked);
};
const [enforced, setEnforced] = useState('');
const [editEnforced, setEditEnforced] = useState('');
const [evidence, setEvidence] = useState('');
const [editEvidence, setEditEvidence] = useState('');
const [isPending, setIsPending] = useState(false);

const [filteredData, setFilteredData] = useState([]);
const [wordEntered, setWordEntered] = useState('');

const handleFilter = (event) => {
const searchWord = event.target.value;
setWordEntered(searchWord);
const newFilter = posts.filter((value) => {
return value.title.toLowerCase().includes(searchWord.toLowerCase());
});

if (searchWord === '') {
setFilteredData([]);
} else {
setFilteredData(newFilter);
}
};

const history = useHistory();

useEffect(() => {
const fetchPosts = async () => {
try {
setLoading(true);
const response = await api.get('/journals');
setPosts(response.data);
setLoading(false);
} catch (err) {
if (err.response) {
console.log(err.response.data);
console.log(err.response.status);
console.log(err.response.headers);
} else {
console.log(`Error: ${err.message}`);
}
}
};
fetchPosts();
}, []);

useEffect(() => {
const filteredResults = posts.filter(
(post) =>
post.issn.includes(search) || post.title.toLowerCase().includes(search.toLowerCase()),
);

setSearchResults(filteredResults.reverse());
}, [posts, search]);

const indexOfLastPost = currentPage * postsPerPage;
const indexOfFirstPost = indexOfLastPost - postsPerPage;
const currentPost = searchResults.slice(indexOfFirstPost, indexOfLastPost);
const paginate = (pageNumber) => setCurrentPage(pageNumber);

const handleSubmit = async (e) => {
e.preventDefault();
const id = posts.length ? posts[posts.length - 1].id + 1 : 1;
const datetime = format(new Date(), 'MMMM dd, yyyyy pp');
const newPost = {
title,
authors,
journaltype,
topic,
published: datetime,
issn,
updated,
link,
policy,
dataavail,
datashared,
peerreview,
enforced,
evidence,
};
try {
const response = await api.post('/journals', newPost);
const allPosts = [...posts, response.data];
setPosts(allPosts);
history.push('/');
} catch (err) {
console.log(`Error: ${err.message}`);
}
};

const handleEdit = async (id) => {
const datetime = format(new Date(), 'MMMM dd, yyyyy pp');
const updatedPost = {
title: editTitle,
authors: editAuthors,
journaltype: editJournaltype,
topic: editTopic,
issn: editIssn,
updated: datetime,
link: editLink,
policy: editPolicy,
dataavail: editDataavail,
datashared: editDatashared,
peerreview: editPeerreview,
enforced: editEnforced,
evidence: editEvidence,
};
try {
const response = await api.put(`/journals/${id}`, updatedPost);
setPosts(posts.map((post) => (post.id === id ? { ...response.data } : post)));
history.push('/');
} catch (err) {
console.log(`Error: ${err.message}`);
}
};

const handleDelete = async (id) => {
try {
await api.delete(`/journals/${id}`);
const postsList = posts.filter((post) => post.id !== id);
setPosts(postsList);
history.push('/');
} catch (err) {
console.log(`Error: ${err.message}`);
}
};

return (
<div className='App'>
<Switch>
<Route exact path='/'>
<Home
search={search}
setSearch={setSearch}
posts={posts}
searchResults={searchResults}
filteredData={filteredData}
setFilteredData={setFilteredData}
wordEntered={wordEntered}
setWordEntered={setWordEntered}
handleFilter={handleFilter}
/>
</Route>
<Route path='/manifesto'>
<Manifesto />
</Route>
<Route path='/journal'>
<Journal
search={search}
setSearch={setSearch}
posts={currentPost}
loading={loading}
postsPerPage={postsPerPage}
totalPosts={posts.length}
paginate={paginate}
/>
</Route>
<Route exact path='/addjournal'>
<AddJournal
title={title}
setTitle={setTitle}
authors={authors}
setAuthors={setAuthors}
journaltype={journaltype}
setJournaltype={setJournaltype}
topic={topic}
setTopic={setTopic}
issn={issn}
setIssn={setIssn}
link={link}
setLink={setLink}
policy={policy}
setPolicy={setPolicy}
dataavail={dataavail}
setDataavail={setDataavail}
handleChangeData={handleChangeData}
datashared={datashared}
setDatashared={setDatashared}
handleChangeData2={handleChangeData2}
peerreview={peerreview}
setPeerreview={setPeerreview}
handleChangePeer={handleChangePeer}
enforced={enforced}
setEnforced={setEnforced}
evidence={evidence}
setEvidence={setEvidence}
isPending={isPending}
setIsPending={setIsPending}
handleSubmit={handleSubmit}
/>
</Route>
<Route path='/edit/:id'>
<Edit
posts={posts}
editTitle={editTitle}
setEditTitle={setEditTitle}
editAuthors={editAuthors}
setEditAuthors={setEditAuthors}
editJournaltype={editJournaltype}
setEditJournaltype={setEditJournaltype}
editTopic={editTopic}
setEditTopic={setEditTopic}
editIssn={editIssn}
setEditIssn={setEditIssn}
editLink={editLink}
setEditLink={setEditLink}
editPolicy={editPolicy}
setEditPolicy={setEditPolicy}
editDataavail={editDataavail}
setEditDataavail={setEditDataavail}
editDatashared={editDatashared}
setEditDatashared={setEditDatashared}
editPeerreview={editPeerreview}
setEditPeerreview={setEditPeerreview}
editEnforced={editEnforced}
setEditEnforced={setEditEnforced}
editEvidence={editEvidence}
setEditEvidence={setEditEvidence}
isPending={isPending}
setIsPending={setIsPending}
handleEdit={handleEdit}
/>
</Route>
<Route path='/policy/:id'>
<JournalDetails posts={posts} handleDelete={handleDelete} />
</Route>
<Route path='/Signup'>
<Auth />
</Route>
<Route path='/Login'>
<Login />
</Route>
<Redirect to='/' />
</Switch>
<Navbar search={search} setSearch={setSearch} />
<Footer />
<DataProvider>
<Switch>
<Route exact path='/'>
<Home />
</Route>
<Route path='/manifesto'>
<Manifesto />
</Route>
<Route path='/journal'>
<Journal />
</Route>
<Route exact path='/addjournal'>
<AddJournal />
</Route>
<Route path='/edit/:id'>
<Edit />
</Route>
<Route path='/policy/:id'>
<JournalDetails />
</Route>
<Route path='/Signup'>
<Auth />
</Route>
<Route path='/Login'>
<Login />
</Route>
<Redirect to='/' />
</Switch>
<Navbar />
<Footer />
</DataProvider>
</div>
);
}
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