Update repository functions.

This commit is contained in:
2020-09-26 12:09:46 +02:00
parent 59c4b0de38
commit 5e6da61ccb
4 changed files with 78 additions and 16 deletions

View File

@@ -1,13 +1,15 @@
const mongodb = require('mongodb');
const assert = require('assert');
const configuration = require('../configuration');
const mongoConfig = configuration.database;
class MongoClient {
constructor() {
mongodb.MongoClient.connect(mongoConfig.url, (error, client) => {
assert.equal(null, error, `Unable to connect to mongodb: ${error}.`);
console.log(error);
if (error !== null) {
throw new Error(`Unable de connect to Mongo database: ${error}`);
}
console.log('Connected successfuly to mongodb');
this.db = client.db(mongoConfig.database);
});
@@ -19,12 +21,17 @@ class MongoClient {
console.log(`Entities ${collectionName} founded.`);
callback(results);
})
.catch(error => console.error(error));
.catch(error => {
throw new Error(`Unable to find entities in collection ${collectionName}: ${error}`);
});
}
insert(collectionName, entity, callback) {
this.db.collection(collectionName).insert(entity, (error, result) => {
assert.equal(null, error, `Unable to insert ${collectionName} entity: ${error}.`);
this.db.collection(collectionName).insertOne(entity, (error, result) => {
if (error !== null) {
throw new Error(`Unable to insert ${collectionName} entity: ${error}`);
}
console.log(`Entity ${collectionName} inserted.`);
// Return only the inserted document.
callback(result.ops[0]);
@@ -32,8 +39,11 @@ class MongoClient {
}
update(collectionName, entity, callback) {
this.db.collection(collectionName).save(entity, (error) => {
assert.equal(null, error, `Unable to update ${collectionName} entity: ${error}.`);
this.db.collection(collectionName).updateOne({_id: mongodb.ObjectId(entity._id)}, {$set: entity}, {upsert: true}, (error) => {
if (error !== null) {
throw new Error(`Unable to update ${collectionName} entity: ${error}`);
}
console.log(`Entity ${collectionName} updated.`);
callback();
});
@@ -41,12 +51,16 @@ class MongoClient {
delete(collectionName, entityId, callback) {
this.db.collection(collectionName).deleteOne({_id: mongodb.ObjectId(entityId)}, (error) => {
assert.equal(null, error, `Unable to delete ${collectionName} entity with id ${entityId}: ${error}.`);
if (error !== null) {
throw new Error(`Unable to delete ${collectionName} entity with id ${entityId}: ${error}`);
}
console.log(`Entity ${collectionName} with id ${entityId} deleted.`);
callback();
});
}
}
// Define a singleton of class "MongoClient".
const mongoClient = new MongoClient();
module.exports = mongoClient;