miridoo-js-orm/mysql/ShemaBuilder.js

miridoo javascript orm for database

module.exports = function(def, colname){
    def = (typeof def == 'function')?def().get() : def.get();
    var definition = '';

    switch(def.type){
        case 'text' :
        case 'json' :
                definition +=  ' TEXT';
                break;
        case 'int' :
        case 'integer' :
                definition +=  ' INT';
                break;
        case 'string' :
        case 'varchar' :
                definition += ' VARCHAR('+def.size+')';
                break;
        case 'enum' :
                definition += ' ENUM("'+def.values.join('", "')+'")';
                break;
        case 'date' :
                definition +=  ' DATE';
                break;
        case 'timestamp' :
                definition +=  ' DATETIME';
                break;
        case 'datetime' :
                definition +=  ' DATETIME';
                break;
        case 'time' :
                definition +=  ' TIME';
                break;
        case 'char' :
                definition +=  ' CHAR('+def.size+')';
                break;
    };

    if(def.pk && def.pk === true)
        definition += ' PRIMARY KEY ';

    if(def.null && def.null === true)
        definition += ' NULL ';
    else
        definition += ' NOT NULL ';

    if(def.increment && def.increment === true)
        definition += ' AUTO_INCREMENT ';

    if(def.default)
        definition += ' DEFAULT '+def.default;

    if(def.fk && def.fk === true){
        if(def.constraint)
            definition += ', CONSTRAINT `'+def.constraint+'` ';

        definition += ' FOREIGN KEY('+colname+') REFERENCES '+def.fkTable+'('+def.fkColumn+')';
        if(def.on){
            var ons = [];
            for(var i in def.on)
                ons.push(' ON '+i.toUpperCase()+' '+def.on[i].toUpperCase());
            definition += ons.join(' ');
        }
    }

    return definition;
};