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add support for custom adapter registration #93

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add support for custom adapter registration #93

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49 changes: 33 additions & 16 deletions lib/db.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

const NeDbClient = require('./clients/nedbclient');
const MongoClient = require('./clients/mongoclient');
let _adapter;

/**
* Connect to current database
Expand All @@ -10,20 +11,36 @@ const MongoClient = require('./clients/mongoclient');
* @param {Object} options
* @returns {Promise}
*/
exports.connect = function(url, options) {
if (url.indexOf('nedb://') > -1) {
// url example: nedb://path/to/file/folder
return NeDbClient.connect(url, options).then(function(db) {
global.CLIENT = db;
return db;
});
} else if(url.indexOf('mongodb://') > -1) {
// url example: 'mongodb://localhost:27017/myproject'
return MongoClient.connect(url, options).then(function(db) {
global.CLIENT = db;
return db;
});
} else {
return Promise.reject(new Error('Unrecognized DB connection url.'));
exports.connect = function (url, options) {
function handleConnectionSuccessfully(db) {
global.CLIENT = db;
return db;
}
};

let connect;
// We have custom adapter
if (_adapter) {
connect = NeDbClient.connect(url, options);
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You probably mean _adapter.connect?

}
else
if (url.indexOf('nedb://') > -1) {
// url example: nedb://path/to/file/folder
connect = NeDbClient.connect(url, options);
} else if (url.indexOf('mongodb://') > -1) {
// url example: 'mongodb://localhost:27017/myproject'
connect = MongoClient.connect(url, options);
} else {
return Promise.reject(new Error('Unrecognized DB connection url.'));
}

return connect.then(handleConnectionSuccessfully);
};

/**
* Register new adapter instead of using MongoDB and NeDB
* We assume that the adapter is valid and inherit DatabaseClient
* @param {DatabaseClient} adapter
*/
exports.registerAdapter = function handleAdapterRegister(adapter) {
_adapter = adapter;
}