spee.ch/server/models/index.js

78 lines
2.3 KiB
JavaScript

const Sequelize = require('sequelize');
const logger = require('winston');
logger.info('exporting sequelize models');
const { database, username, password } = require('../../config/mysqlConfig');
const db = {};
// set sequelize options
const sequelize = new Sequelize(database, username, password, {
host : 'localhost',
dialect : 'mysql',
dialectOptions: {decimalNumbers: true}, // fix to ensure DECIMAL will not be stored as a string
logging : false,
pool : {
max : 5,
min : 0,
idle : 10000,
acquire: 10000,
},
});
// establish mysql connection
sequelize
.authenticate()
.then(() => {
logger.info('Sequelize has established mysql connection successfully.');
})
.catch(err => {
logger.error('Sequelize was unable to connect to the database:', err);
});
// manually add each model to the db object
const Certificate = require('./certificate.js');
const Channel = require('./channel.js');
const Claim = require('./claim.js');
const File = require('./file.js');
const Request = require('./request.js');
const User = require('./user.js');
db['Certificate'] = sequelize.import('Certificate', Certificate);
db['Channel'] = sequelize.import('Channel', Channel);
db['Claim'] = sequelize.import('Claim', Claim);
db['File'] = sequelize.import('File', File);
db['Request'] = sequelize.import('Request', Request);
db['User'] = sequelize.import('User', User);
// run model.association for each model in the db object that has an association
Object.keys(db).forEach(modelName => {
if (db[modelName].associate) {
logger.info('Associating model:', modelName);
db[modelName].associate(db);
}
});
db.sequelize = sequelize;
db.Sequelize = Sequelize;
// add an 'upsert' method to the db object
db.upsert = (Model, values, condition, tableName) => {
return Model
.findOne({
where: condition,
})
.then(obj => {
if (obj) { // update
logger.debug(`updating record in db.${tableName}`);
return obj.update(values);
} else { // insert
logger.debug(`creating record in db.${tableName}`);
return Model.create(values);
}
})
.catch(function (error) {
logger.error(`${tableName}.upsert error`, error);
throw error;
});
};
module.exports = db;