If you are trying to understand the codebase this might help.
Prisma Binding provides a high level API to interact with database.
Talking about prisma.js file
Just use prisma.query to query anything.
Example We can pass query in the parameters.
Parameters => (Operation_args, selection_set)
// Promise Version
prisma.query.users(null, '{ id name posts {id title body} }').then(data => {
console.log(JSON.stringify(data, undefined, 2));
});//async-await version.
const users = async () => {
const usersList = await prisma.query.users(
null,
'{ id name posts {id title body} }'
);
return usersList;
};
usersList
.then(users => {
console.log(JSON.stringify(data, undefined, 2));
})
.catch(e => {
console.log(e);
});Just use prisma.mutation to perform mutation operations.
// Promise Version
prisma.mutation
.updatePost({
data: {
title: 'This is updated',
body: 'Its updated!!! from dsef..',
published: true
},
where: {
id: 'cjures4qi00380789t104pvi2'
}
})
.then(data => {
console.log(JSON.stringify(undefined, data, 2));
});// Async-await version.
const updatePostForUser = async (postId, data) => {
const postExists = prisma.exists.Post({
id: postId
});
if (!postExists) {
throw new Error('Post not exists');
}
const author = await prisma.mutation.updatePost(
{
data: {
...data
},
where: {
id: postId
}
},
'{ author { id name email } }'
);
return author;
};- To check if some data exists it returns true or false. Example:
const postExists = prisma.exists.Post({
id: postId
});const userExists = prisma.exists.User({
id: 'abc123'
});
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