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Tweaked comments, updated fallback

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This commit is contained in:
Kayne Ruse
2021-04-06 11:17:37 +10:00
parent 45c012a08e
commit f2994fc52e
2 changed files with 20 additions and 15 deletions
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33
test/handlers/create-handlers.js
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@@ -1,38 +1,42 @@
const { Op } = require('sequelize');
const { books, authors } = require('../database/models');
//TODO: 'unique' may be a useful modifier, but not at this stage of development
//The create handlers are supposed to handle inserting new data into a database
//You don't have to create all associated books at the same time as the authors - you can use update later to join them
//You can use the '[' and ']' symbols to create mutliple elements of data at once
//'create' also counts as a modifier, indicating that a specific value is new to the database, and returning an error if it exists already OR
//'match' is used when an existing value must already exist in the database, and returning an error if it does not OR
//if no modifiers are specified, 'set' is used as a fallback (query for compounds, create if not found)
//'match' is used when an existing value must already exist in the database, and returning an error if it does not
/* possible create requests include:
create Author {
name "Sydney Sheldon"
create name "Sydney Sheldon"
create books [
{
title "The Naked Face"
create title "The Naked Face"
published 1970
}
{
title "A Stranger in the Mirror"
create title "A Stranger in the Mirror"
published 1976
}
]
}
create Author {
name "Sydney Sheldon"
create name "Sydney Sheldon"
create books {
title "Bloodline"
published 1977
create title "Bloodline"
create published 1977
}
}
create Author {
create name "Sydney Sheldon"
match books {
match title "Rage of Angels"
}
}
@@ -43,6 +47,7 @@ create Author {
//Author array
[{
typeName: 'Author',
create: true,
name: { typeName: 'String', scalar: true, create: 'Sydney Sheldon' }
books: [{
typeName: 'Book',
@@ -96,7 +101,7 @@ const createHandlers = {
//create the element (with created scalar fields)
const args = {};
Object.keys(fields).filter(field => fields[field].scalar).forEach(field => args[field] = fields[field].create);
Object.keys(fields).filter(field => fields[field].scalar).forEach(field => args[field] = fields[field].create || fields[field].set);
const createdAuthor = await authors.create(args);
//pass on to the sub-objects (books)
@@ -158,7 +163,7 @@ const createHandlers = {
//create the element (with created scalar fields)
const args = {};
Object.keys(fields).filter(field => fields[field].scalar).forEach(field => args[field] = fields[field].create);
Object.keys(fields).filter(field => fields[field].scalar).forEach(field => args[field] = fields[field].create || fields[field].set);
args['authorId'] = authorId; //hacked in
await books.create(args);
}
@@ -166,7 +171,7 @@ const createHandlers = {
//pulled from query (match existing books)
else if (match) {
//get the names of matched fields
const matchedNames = Object.keys(fields).filter(field => fields[field].match);
const matchedNames = Object.keys(fields).filter(field => fields[field].match || fields[field].set);
//short-circuit if querying everything
const where = {};
@@ -174,7 +179,7 @@ const createHandlers = {
//build the "where" object
matchedNames.forEach(mn => {
if (fields[mn].match !== true) {
where[mn] = { [Op.eq]: fields[mn].match };
where[mn] = { [Op.eq]: fields[mn].match || fields[mn].set };
}
});
}