ruby on rails - ordering activerecord object by most relevant -

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मेरे पास यह प्रश्न है: 

  user_friends = current_user.friends.where ('उपयोगकर्ता नाम जैसा यदि मैं "बॉब" की खोज करता हूं तो मुझे "बॉब" के आगे "जॉबब" मिल सकता है, मैं कैसे कर सकता हूं? प्रासंगिक परिणामों के क्रम में इन परिणामों को व्यवस्थित करें।  
 मुझे लगता है कि मुझे उन्हें regex के खिलाफ नक्शा करने की ज़रूरत है, लेकिन यह कैसे करना है पर स्पष्ट नहीं है।   
 
 
 आप इसे एक स्कोप या यूजर मॉडल पर एक विधि के साथ कर सकते हैं।  
 लेकिन आपकी सबसे बड़ी चुनौती 'प्रासंगिकता' को परिभाषित कर रही है।  < / div>

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