mirror of
https://github.com/janishutz/libreevent.git
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Revert "Restructuring for new way of installing libreevent"
This reverts commit 688b0616cc.
This commit is contained in:
184
src/server/backend/db/mysqldb.js
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184
src/server/backend/db/mysqldb.js
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/*
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* libreevent - mysqldb.js
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*
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* Created by Janis Hutz 07/12/2023, Licensed under the GPL V3 License
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* https://janishutz.com, development@janishutz.com
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*
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*
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*/
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const mysql = require( 'mysql' );
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const fs = require( 'fs' );
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const path = require( 'path' );
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// If the connection does not work for you, you will need to add your ip
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// to the whitelist of the database
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class SQLDB {
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constructor ( ) {
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this.sqlConnection = mysql.createConnection( JSON.parse( fs.readFileSync( path.join( __dirname + '/../../config/db.config.json' ) ) ) );
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}
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connect ( ) {
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const self = this;
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this.sqlConnection.connect( function( err ) {
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if ( err ) {
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console.error( '[ SQL ]: An error ocurred whilst connecting: ' + err.stack );
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return;
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}
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console.log( '[ SQL ] Connected to database successfully' );
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self.sqlConnection.query( 'TRUNCATE libreevent_temp;', error => {
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if ( error ) {
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console.error( '[ SQL ] Unable to truncate libreevent_temp table due to the following error: ' + error.code );
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} else {
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console.log( '[ SQL ] Truncated temporary data table successfully' );
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}
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} );
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return 'connection';
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} );
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}
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disconnect ( ) {
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this.sqlConnection.end();
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}
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async resetDB ( ) {
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this.sqlConnection.query( 'DROP TABLE libreevent_orders;', ( error ) => {
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if ( error ) if ( error.code !== 'ER_BAD_TABLE_ERROR' ) throw error;
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this.sqlConnection.query( 'DROP TABLE libreevent_users;', ( error ) => {
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if ( error ) if ( error.code !== 'ER_BAD_TABLE_ERROR' ) throw error;
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this.sqlConnection.query( 'DROP TABLE libreevent_admin;', ( error ) => {
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if ( error ) if ( error.code !== 'ER_BAD_TABLE_ERROR' ) throw error;
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this.sqlConnection.query( 'DROP TABLE libreevent_temp;', ( error ) => {
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if ( error ) if ( error.code !== 'ER_BAD_TABLE_ERROR' ) throw error;
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this.sqlConnection.query( 'DROP TABLE libreevent_processing_orders;', ( error ) => {
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if ( error ) if ( error.code !== 'ER_BAD_TABLE_ERROR' ) throw error;
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return 'done';
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} );
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} );
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} );
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} );
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} );
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}
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async setupDB ( ) {
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this.sqlConnection.query( 'SELECT @@default_storage_engine;', ( error, results ) => {
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if ( error ) throw error;
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if ( results[ 0 ][ '@@default_storage_engine' ] !== 'InnoDB' ) throw 'DB HAS TO USE InnoDB!';
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} );
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this.sqlConnection.query( 'CREATE TABLE libreevent_users ( account_id INT ( 10 ) NOT NULL AUTO_INCREMENT, email TINYTEXT NOT NULL, pass TEXT, name TEXT, first_name TEXT, two_fa TINYTEXT, user_data VARCHAR( 60000 ), mail_confirmed TINYTEXT, marketing TINYTEXT, PRIMARY KEY ( account_id ) ) ENGINE=INNODB;', ( error ) => {
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if ( error ) if ( error.code !== 'ER_TABLE_EXISTS_ERROR' ) throw error;
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this.sqlConnection.query( 'CREATE TABLE libreevent_orders ( order_id INT ( 10 ) NOT NULL AUTO_INCREMENT, order_name TINYTEXT, account_id INT ( 10 ) NOT NULL, tickets VARCHAR( 60000 ), processed TINYTEXT, timestamp TINYTEXT, PRIMARY KEY ( order_id ), FOREIGN KEY ( account_id ) REFERENCES libreevent_users( account_id ) ) ENGINE=INNODB;', ( error ) => {
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if ( error ) if ( error.code !== 'ER_TABLE_EXISTS_ERROR' ) throw error;
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this.sqlConnection.query( 'CREATE TABLE libreevent_admin ( account_id INT NOT NULL AUTO_INCREMENT, email TINYTEXT, pass TEXT, permissions VARCHAR( 1000 ), username TINYTEXT, two_fa TINYTEXT, PRIMARY KEY ( account_id ) );', ( error ) => {
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if ( error ) if ( error.code !== 'ER_TABLE_EXISTS_ERROR' ) throw error;
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this.sqlConnection.query( 'CREATE TABLE libreevent_temp ( entry_id INT NOT NULL AUTO_INCREMENT, user_id TINYTEXT, data VARCHAR( 60000 ), timestamp TINYTEXT, PRIMARY KEY ( entry_id ) );', ( error ) => {
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if ( error ) if ( error.code !== 'ER_TABLE_EXISTS_ERROR' ) throw error;
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this.sqlConnection.query( 'CREATE TABLE libreevent_processing_orders ( entry_id INT NOT NULL AUTO_INCREMENT, user_id TINYTEXT, data VARCHAR( 60000 ), timestamp TINYTEXT, PRIMARY KEY ( entry_id ) );', ( error ) => {
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if ( error ) if ( error.code !== 'ER_TABLE_EXISTS_ERROR' ) throw error;
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return 'DONE';
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} );
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} );
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} );
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} );
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} );
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}
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query ( operation, table ) {
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return new Promise( ( resolve, reject ) => {
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/*
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Possible operation.command values (all need the table argument of the method call):
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- getAllData: no additional instructions needed
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- getFilteredData:
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- operation.property (the column to search for the value),
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- operation.searchQuery (the value to search for [will be sanitised by method])
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- InnerJoin (Select values that match in both tables):
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- operation.property (the column to search for the value),
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- operation.searchQuery (the value to search for [will be sanitised by method])
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- operation.selection (The columns of both tables to be selected, e.g. users.name, orders.id)
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- operation.secondTable (The second table to perform Join operation with)
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- operation.matchingParam (Which properties should be matched to get the data, e.g. order.user_id=users.id)
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- LeftJoin (Select values in first table and return all corresponding values of second table):
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- operation.property (the column to search for the value),
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- operation.searchQuery (the value to search for [will be sanitised by method])
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- operation.selection (The columns of both tables to be selected, e.g. users.name, orders.id)
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- operation.secondTable (The second table to perform Join operation with)
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- operation.matchingParam (Which properties should be matched to get the data, e.g. order.user_id=users.id)
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- RightJoin (Select values in second table and return all corresponding values of first table):
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- operation.property (the column to search for the value),
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- operation.searchQuery (the value to search for [will be sanitised by method])
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- operation.selection (The columns of both tables to be selected, e.g. users.name, orders.id)
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- operation.secondTable (The second table to perform Join operation with)
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- operation.matchingParam (Which properties should be matched to get the data, e.g. order.user_id=users.id)
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- addData:
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- operation.data (key-value pair with all data as values and column to insert into as key)
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- deleteData:
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- operation.property (the column to search for the value)
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- operation.searchQuery (the value to search for [will be sanitised by method])
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- updateData:
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- operation.newValues (a object with keys being the column and value being the value to be inserted into that column, values are being
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sanitised by the function)
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- operation.property (the column to search for the value),
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- operation.searchQuery (the value to search for [will be sanitised by method])
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- checkDataAvailability:
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- operation.property (the column to search for the value),
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- operation.searchQuery (the value to search for [will be sanitised by method])
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- fullCustomCommand:
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- operation.query (the SQL instruction to be executed) --> NOTE: This command will not be sanitised, so use only with proper sanitisation!
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*/
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let command = '';
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if ( operation.command === 'getAllData' ) {
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command = 'SELECT * FROM ' + table;
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} else if ( operation.command === 'getFilteredData' || operation.command === 'checkDataAvailability' ) {
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command = 'SELECT * FROM ' + table + ' WHERE ' + operation.property + ' = ' + this.sqlConnection.escape( operation.searchQuery );
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} else if ( operation.command === 'fullCustomCommand' ) {
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command = operation.query;
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} else if ( operation.command === 'addData' ) {
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let keys = '';
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let values = '';
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for ( let key in operation.data ) {
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keys += String( key ) + ', ';
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values += this.sqlConnection.escape( String( operation.data[ key ] ) ) + ', ' ;
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}
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command = 'INSERT INTO ' + table + ' (' + keys.slice( 0, keys.length - 2 ) + ') VALUES (' + values.slice( 0, values.length - 2 ) + ');';
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} else if ( operation.command === 'updateData' ) {
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if ( !operation.property || !operation.searchQuery ) reject( 'Refusing to run destructive command: Missing Constraints' );
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else {
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command = 'UPDATE ' + table + ' SET ';
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let updatedValues = '';
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for ( let value in operation.newValues ) {
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updatedValues += value + ' = ' + this.sqlConnection.escape( String( operation.newValues[ value ] ) ) + ', ';
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}
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command += updatedValues.slice( 0, updatedValues.length - 2 );
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command += ' WHERE ' + operation.property + ' = ' + this.sqlConnection.escape( operation.searchQuery );
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}
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} else if ( operation.command === 'deleteData' ) {
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if ( !operation.property || !operation.searchQuery ) reject( 'Refusing to run destructive command: Missing Constraints' );
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else {
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command = 'DELETE FROM ' + table + ' WHERE ' + operation.property + ' = ' + this.sqlConnection.escape( operation.searchQuery );
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}
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} else if ( operation.command === 'InnerJoin' ) {
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command = 'SELECT ' + operation.selection + ' FROM ' + table + ' WHERE ' + operation.property + ' = ' + this.sqlConnection.escape( operation.searchQuery ) + ' INNER JOIN ' + operation.secondTable + ' ON ' + operation.matchingParam;
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} else if ( operation.command === 'LeftJoin' ) {
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command = 'SELECT ' + operation.selection + ' FROM ' + table + ' WHERE ' + operation.property + ' = ' + this.sqlConnection.escape( operation.searchQuery ) + ' LEFT JOIN ' + operation.secondTable + ' ON ' + operation.matchingParam;
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} else if ( operation.command === 'RightJoin' ) {
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command = 'SELECT ' + operation.selection + ' FROM ' + table + ' WHERE ' + operation.property + ' = ' + this.sqlConnection.escape( operation.searchQuery ) + ' RIGHT JOIN ' + operation.secondTable + ' ON ' + operation.matchingParam;
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}
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this.sqlConnection.query( command, ( error, results ) => {
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if ( error ) reject( error );
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resolve( results );
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} );
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} );
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}
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}
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module.exports = SQLDB;
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