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chore: remove asyncLock 

closes #928
This commit is contained in:
Tom Moor 2019-06-23 17:57:37 -07:00
parent 0a8a685c12
commit f406faf08e
4 changed files with 123 additions and 100 deletions
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3
package.json
View File

@ -141,7 +141,6 @@
"react-router-dom": "^4.3.1",
"react-waypoint": "^7.3.1",
"redis": "^2.6.2",
"redis-lock": "^0.1.0",
"rich-markdown-editor": "^9.6.1",
"safestart": "1.1.0",
"sequelize": "^5.8.12",
@ -149,8 +148,8 @@
"sequelize-encrypted": "^0.1.0",
"slug": "^1.0.0",
"socket.io": "^2.2.0",
"socketio-auth": "^0.1.1",
"socket.io-redis": "^5.2.0",
"socketio-auth": "^0.1.1",
"string-replace-to-array": "^1.0.3",
"style-loader": "^0.18.2",
"styled-components": "^4.2.0",

209
server/models/Collection.js
View File

@ -3,7 +3,6 @@ import { find, remove } from 'lodash';
import slug from 'slug';
import randomstring from 'randomstring';
import { DataTypes, sequelize } from '../sequelize';
import { asyncLock } from '../redis';
import Document from './Document';
import CollectionUser from './CollectionUser';
import { welcomeMessage } from '../utils/onboarding';
@ -143,53 +142,65 @@ Collection.prototype.addDocumentToStructure = async function(
) {
if (!this.documentStructure) return;
let unlock;
let transaction;
// documentStructure can only be updated by one request at a time
if (options.save !== false) {
unlock = await asyncLock(`collection-${this.id}`);
}
try {
// documentStructure can only be updated by one request at a time
if (options.save !== false) {
transaction = await sequelize.transaction();
}
// If moving existing document with children, use existing structure
const documentJson = {
...document.toJSON(),
...options.documentJson,
};
if (!document.parentDocumentId) {
// Note: Index is supported on DB level but it's being ignored
// by the API presentation until we build product support for it.
this.documentStructure.splice(
index !== undefined ? index : this.documentStructure.length,
0,
documentJson
);
} else {
// Recursively place document
const placeDocument = documentList => {
return documentList.map(childDocument => {
if (document.parentDocumentId === childDocument.id) {
childDocument.children.splice(
index !== undefined ? index : childDocument.children.length,
0,
documentJson
);
} else {
childDocument.children = placeDocument(childDocument.children);
}
return childDocument;
});
// If moving existing document with children, use existing structure
const documentJson = {
...document.toJSON(),
...options.documentJson,
};
this.documentStructure = placeDocument(this.documentStructure);
}
// Sequelize doesn't seem to set the value with splice on JSONB field
this.documentStructure = this.documentStructure;
if (!document.parentDocumentId) {
// Note: Index is supported on DB level but it's being ignored
// by the API presentation until we build product support for it.
this.documentStructure.splice(
index !== undefined ? index : this.documentStructure.length,
0,
documentJson
);
} else {
// Recursively place document
const placeDocument = documentList => {
return documentList.map(childDocument => {
if (document.parentDocumentId === childDocument.id) {
childDocument.children.splice(
index !== undefined ? index : childDocument.children.length,
0,
documentJson
);
} else {
childDocument.children = placeDocument(childDocument.children);
}
if (options.save !== false) {
await this.save(options);
if (unlock) unlock();
return childDocument;
});
};
this.documentStructure = placeDocument(this.documentStructure);
}
// Sequelize doesn't seem to set the value with splice on JSONB field
this.documentStructure = this.documentStructure;
if (options.save !== false) {
await this.save({
...options,
transaction,
});
if (transaction) {
await transaction.commit();
}
}
} catch (err) {
if (transaction) {
await transaction.rollback();
}
throw err;
}
return this;
@ -203,28 +214,39 @@ Collection.prototype.updateDocument = async function(
) {
if (!this.documentStructure) return;
// documentStructure can only be updated by one request at the time
const unlock = await asyncLock(`collection-${this.id}`);
let transaction;
const { id } = updatedDocument;
try {
// documentStructure can only be updated by one request at the time
transaction = await sequelize.transaction();
const updateChildren = documents => {
return documents.map(document => {
if (document.id === id) {
document = {
...updatedDocument.toJSON(),
children: document.children,
};
} else {
document.children = updateChildren(document.children);
}
return document;
});
};
const { id } = updatedDocument;
const updateChildren = documents => {
return documents.map(document => {
if (document.id === id) {
document = {
...updatedDocument.toJSON(),
children: document.children,
};
} else {
document.children = updateChildren(document.children);
}
return document;
});
};
this.documentStructure = updateChildren(this.documentStructure);
await this.save({ transaction });
await transaction.commit();
} catch (err) {
if (transaction) {
await transaction.rollback();
}
throw err;
}
this.documentStructure = updateChildren(this.documentStructure);
await this.save();
unlock();
return this;
};
@ -239,37 +261,48 @@ Collection.prototype.removeDocumentInStructure = async function(
) {
if (!this.documentStructure) return;
let returnValue;
let unlock;
let transaction;
// documentStructure can only be updated by one request at the time
unlock = await asyncLock(`collection-${this.id}`);
try {
// documentStructure can only be updated by one request at the time
transaction = await sequelize.transaction();
const removeFromChildren = async (children, id) => {
children = await Promise.all(
children.map(async childDocument => {
return {
...childDocument,
children: await removeFromChildren(childDocument.children, id),
};
})
const removeFromChildren = async (children, id) => {
children = await Promise.all(
children.map(async childDocument => {
return {
...childDocument,
children: await removeFromChildren(childDocument.children, id),
};
})
);
const match = find(children, { id });
if (match) {
if (!returnValue) returnValue = match;
remove(children, { id });
}
return children;
};
this.documentStructure = await removeFromChildren(
this.documentStructure,
document.id
);
const match = find(children, { id });
if (match) {
if (!returnValue) returnValue = match;
remove(children, { id });
await this.save({
...options,
transaction,
});
await transaction.commit();
} catch (err) {
if (transaction) {
await transaction.rollback();
}
return children;
};
this.documentStructure = await removeFromChildren(
this.documentStructure,
document.id
);
await this.save(options);
if (unlock) await unlock();
throw err;
}
return returnValue;
};

7
server/redis.js
View File

@ -1,11 +1,6 @@
// @flow
import redis from 'redis';
import redisLock from 'redis-lock';
const client = redis.createClient(process.env.REDIS_URL);
const lock = redisLock(client);
const asyncLock = (lockName: string): * =>
new Promise(resolve => lock(lockName, unlock => resolve(unlock)));
export { client, asyncLock };
export { client };

4
yarn.lock
View File

@ -7590,10 +7590,6 @@ redis-errors@^1.0.0, redis-errors@^1.2.0:
version "1.2.0"
resolved "https://registry.yarnpkg.com/redis-errors/-/redis-errors-1.2.0.tgz#eb62d2adb15e4eaf4610c04afe1529384250abad"
redis-lock@^0.1.0:
version "0.1.4"
resolved "https://registry.yarnpkg.com/redis-lock/-/redis-lock-0.1.4.tgz#e83590bee22b5f01cdb65bfbd88d988045356272"
redis-parser@^2.6.0:
version "2.6.0"
resolved "https://registry.yarnpkg.com/redis-parser/-/redis-parser-2.6.0.tgz#52ed09dacac108f1a631c07e9b69941e7a19504b"