advanced search

We Recommend

Accelerated C# 2008 Accelerated C# 2008
This book is both a rapid tutorial and a permanent reference. You’ll quickly master C# syntax while learning how the CLR simplifies many programming tasks. You’ll also learn best practices that ensure your code will be efficient, reusable, and robust. Why spend months or years discovering the best ways to design and code C# when this book will show you how to do things the right way, right from the start?

Posted By

dima767 on 12/19/07


Tagged

tags groovy grails many-to-many


Versions (?)


Who likes this?

1 person has marked this snippet as a favorite

bootz15


Tagging in Grails: many-to-many

Published in: Groovy 

Plain TextExpand 
  1. def setup = {
  2.     new User(name:'user1').save(flush:true)
  3.     new User(name:'user2').save(flush:true)
  4.  
  5.     tagsForUser1 = ['tag1','tag2']
  6.     tagsForUser2 = ['tag1']
  7.  
  8.     u1 = User.findByName('user1')
  9.     u2 = User.findByName('user2')
  10.  
  11.     //ITEM1 ***************************************************
  12.     item1 = new Taggable(name:'item1')
  13.     item1.user = u1
  14.     tagsForUser1.each {
  15.         t = Tag.findByName(it)
  16.         if(!t) {
  17.             t = new Tag(name:it).save()
  18.         }
  19.         item1.addToTags(new Tagging(user:u1,tag:t,taggable:item1))
  20.     }
  21.     item1.save(flush:true)
  22.  
  23.     //ITEM2 **************************************************
  24.     item2 = new Taggable(name:'item2')
  25.     item2.user = u2
  26.     tagsForUser2.each {
  27.         t = Tag.findByName(it)
  28.         if(!t) {
  29.             t = new Tag(name:it).save()
  30.         }
  31.         item2.addToTags(new Tagging(user:u2,tag:t,taggable:item2))
  32.     }
  33.     item2.save(flush:true)
  34. }
  35.  
  36. //setup()
  37.  
  38. t = Tag.findByName('tag1')
  39. itemsForUserAndTag = Taggable.withCriteria {
  40.     and {
  41.         eq('user', u2)
  42.         tags {
  43.             eq('tag', t)
  44.         }
  45.     }
  46. }
  47.  
  48. itemsForTag = Taggable.withCriteria {
  49.     tags {
  50.         eq('tag', t)
  51.     }
  52. }
  53.  
  54. println "Items for user and tag: $itemsForUserAndTag.name"
  55. println "Items for tag: $itemsForTag.name"

Report this snippet 

Comments

RSS Icon Subscribe to comments
Posted By: dima767 on January 14, 2008

aszazx qasdlaks as';klas ascxla[scp;l'as;cl

You need to login to post a comment.