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Using the magic of joins

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This commit is contained in:
Tom Moor
2017-07-03 21:35:17 -07:00
parent 91e09e3853
commit f90d170497
3 changed files with 41 additions and 39 deletions
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43
server/presenters/document.js
View File

@ -1,8 +1,9 @@
import { Collection, Star, User, View } from '../models';
// @flow
import { Star, User, Document, View } from '../models';
import presentUser from './user';
import presentCollection from './collection';
async function present(ctx, document, options) {
async function present(ctx: Object, document: Document, options: Object = {}) {
options = {
includeCollection: true,
includeCollaborators: true,
@ -10,8 +11,6 @@ async function present(ctx, document, options) {
...options,
};
ctx.cache.set(document.id, document);
const userId = ctx.state.user.id;
const data = {
id: document.id,
url: document.getUrl(),
@ -20,37 +19,23 @@ async function present(ctx, document, options) {
text: document.text,
html: document.html,
preview: document.preview,
collection: presentCollection(ctx, document.collection),
createdAt: document.createdAt,
createdBy: undefined,
createdBy: presentUser(ctx, document.createdBy),
updatedAt: document.updatedAt,
updatedBy: undefined,
updatedBy: presentUser(ctx, document.updatedBy),
team: document.teamId,
collaborators: [],
starred: !!document.starred,
views: undefined,
};
data.starred = !!await Star.findOne({
where: { documentId: document.id, userId },
});
if (options.includeViews) {
data.views = await View.sum('count', {
where: { documentId: document.id },
});
}
if (options.includeCollection) {
data.collection = await ctx.cache.get(document.atlasId, async () => {
const collection =
options.collection ||
(await Collection.findOne({
where: {
id: document.atlasId,
},
}));
return presentCollection(ctx, collection);
});
}
if (options.includeCollaborators) {
// This could be further optimized by using ctx.cache
data.collaborators = await User.findAll({
@ -62,18 +47,6 @@ async function present(ctx, document, options) {
}).map(user => presentUser(ctx, user));
}
const createdBy = await ctx.cache.get(
document.createdById,
async () => await User.findById(document.createdById)
);
data.createdBy = await presentUser(ctx, createdBy);
const updatedBy = await ctx.cache.get(
document.lastModifiedById,
async () => await User.findById(document.lastModifiedById)
);
data.updatedBy = await presentUser(ctx, updatedBy);
return data;
}