diff options
author | Bob Zeleznik <zzzman@gmail.com> | 2019-04-13 19:39:37 -0400 |
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committer | Bob Zeleznik <zzzman@gmail.com> | 2019-04-13 19:39:37 -0400 |
commit | d6fd8338a440085c1ba865c4771c0871208e961e (patch) | |
tree | 3839b2fb83579b755ba02062079a288ad52d3bb5 /src/server/database.ts | |
parent | a23b160d19beff9163f970f7ae678c2aed9ce14e (diff) |
cleaning up network data transfer.
Diffstat (limited to 'src/server/database.ts')
-rw-r--r-- | src/server/database.ts | 64 |
1 files changed, 36 insertions, 28 deletions
diff --git a/src/server/database.ts b/src/server/database.ts index e08385d98..c51d4a3f6 100644 --- a/src/server/database.ts +++ b/src/server/database.ts @@ -1,47 +1,55 @@ import * as mongodb from 'mongodb'; +import { Transferable } from './Message'; export class Database { public static DocumentsCollection = 'documents'; public static Instance = new Database(); private MongoClient = mongodb.MongoClient; private url = 'mongodb://localhost:27017/Dash'; - private currentWrites: { [_id: string]: Promise<void> } = {}; + private currentWrites: { [id: string]: Promise<void> } = {}; private db?: mongodb.Db; constructor() { this.MongoClient.connect(this.url, (err, client) => this.db = client.db()); } - public update(id: string, value: any, callback: () => void, collectionName = Database.DocumentsCollection) { + public update(id: string, value: any, callback: () => void) { if (this.db) { - let collection = this.db.collection(collectionName); + let collection = this.db.collection('documents'); const prom = this.currentWrites[id]; + let newProm: Promise<void>; const run = (): Promise<void> => { - let newProm = new Promise<void>(resolve => { - collection.updateOne({ _id: id }, { $set: value }, { upsert: true } - , (err, res) => { - if (err) { - console.log(err.message); - console.log(err.errmsg); - } - // if (res) { - // console.log(JSON.stringify(res.result)); - // } - if (this.currentWrites[id] === newProm) { - delete this.currentWrites[id]; - } - resolve(); - callback(); - }); + return new Promise<void>(resolve => { + collection.updateOne({ _id: id }, { $set: value }, { + upsert: true + }, (err, res) => { + if (err) { + console.log(err.message); + console.log(err.errmsg); + } + // if (res) { + // console.log(JSON.stringify(res.result)); + // } + if (this.currentWrites[id] === newProm) { + delete this.currentWrites[id]; + } + resolve(); + callback(); + }); }); - return newProm; }; - this.currentWrites[id] = prom ? prom.then(run) : run(); + if (prom) { + newProm = prom.then(run); + this.currentWrites[id] = newProm; + } else { + newProm = run(); + this.currentWrites[id] = newProm; + } } } public delete(id: string, collectionName = Database.DocumentsCollection) { - this.db && this.db.collection(collectionName).remove({ _id: id }); + this.db && this.db.collection(collectionName).remove({ id: id }); } public deleteAll(collectionName = Database.DocumentsCollection): Promise<any> { @@ -55,18 +63,18 @@ export class Database { ); } - public getDocument(id: string, fn: (res: any) => void, collectionName = Database.DocumentsCollection) { - this.db && this.db.collection(collectionName).findOne({ _id: id }, (err, result) => - fn(result ? result : undefined)); + public getDocument(id: string, fn: (result?: Transferable) => void, collectionName = Database.DocumentsCollection) { + this.db && this.db.collection(collectionName).findOne({ id: id }, (err, result) => + fn(result ? ({ id: result._id, type: result.type, data: result.data }) : undefined)) } - public getDocuments(ids: string[], fn: (res: any) => void, collectionName = Database.DocumentsCollection) { - this.db && this.db.collection(collectionName).find({ _id: { "$in": ids } }).toArray((err, docs) => { + public getDocuments(ids: string[], fn: (result: Transferable[]) => void, collectionName = Database.DocumentsCollection) { + this.db && this.db.collection(collectionName).find({ id: { "$in": ids } }).toArray((err, docs) => { if (err) { console.log(err.message); console.log(err.errmsg); } - fn(docs); + fn(docs.map(doc => ({ id: doc._id, type: doc.type, data: doc.data }))); }); } |