Rails permission editing Method

Source: Internet
Author: User

Edit Permissions

 

Condition:

@ Roles. size = 100

 

Display:

<% @ Roles, each | role | do %>

<Input type = "checkbox" name = "role" value = "<% = role. ID %>">

<% End %>

 

Background:

Rids = Params [role]

# New Role

Rolesid = []
If! RIDS. nil?
RIDS. Each do | rid |
Rolesid <RID. to_ I
End
End

# Querying old Permissions

SQL = "......"

Old_roles =... find ....

# Existing permission id
Old_ids = []
Old_roles.each do | r |
Old_ids <r. role_id
End

 

# Added permission id, for example: {1, 2, 3}-{1, 2, 4 }={ 3}
Add_ids = rolesID-old_ids

 

# Id of the permission to be deleted, for example: {1, 2, 4}-{1, 2, 3 }={ 4}
Del_ids = []
If! Old_ids.empty?
Del_ids = old_ids-rolesID
End

 

# Perform database operations on the added and deleted permissions respectively

....................

....................

....................

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.