]> git.openstreetmap.org Git - rails.git/blob - app/helpers/user_helper.rb
Merge branch 'authz' of https://github.com/rubyforgood/openstreetmap-website into...
[rails.git] / app / helpers / user_helper.rb
1 module UserHelper
2   # User images
3
4   def user_image(user, options = {})
5     options[:class] ||= "user_image"
6     options[:alt] ||= ""
7
8     if user.image_use_gravatar
9       user_gravatar_tag(user, options)
10     else
11       image_tag user.image.url(:large), options
12     end
13   end
14
15   def user_thumbnail(user, options = {})
16     options[:class] ||= "user_thumbnail"
17     options[:alt] ||= ""
18
19     if user.image_use_gravatar
20       user_gravatar_tag(user, options)
21     else
22       image_tag user.image.url(:small), options
23     end
24   end
25
26   def user_thumbnail_tiny(user, options = {})
27     options[:class] ||= "user_thumbnail_tiny"
28     options[:alt] ||= ""
29
30     if user.image_use_gravatar
31       user_gravatar_tag(user, options)
32     else
33       image_tag user.image.url(:small), options
34     end
35   end
36
37   def user_image_url(user, options = {})
38     if user.image_use_gravatar
39       user_gravatar_url(user, options)
40     else
41       image_url(user.image.url(:large))
42     end
43   end
44
45   # External authentication support
46
47   def openid_logo
48     image_tag "openid_small.png", :alt => t("users.login.openid_logo_alt"), :class => "openid_logo"
49   end
50
51   def auth_button(name, provider, options = {})
52     link_to(
53       image_tag("#{name}.png", :alt => t("users.login.auth_providers.#{name}.alt")),
54       auth_path(options.merge(:provider => provider)),
55       :class => "auth_button",
56       :title => t("users.login.auth_providers.#{name}.title")
57     )
58   end
59
60   private
61
62   # Gravatar support
63
64   # See http://en.gravatar.com/site/implement/images/ for details.
65   def user_gravatar_url(user, options = {})
66     size = options[:size] || 100
67     hash = Digest::MD5.hexdigest(user.email.downcase)
68     default_image_url = image_url("users/images/large.png")
69     "#{request.protocol}www.gravatar.com/avatar/#{hash}.jpg?s=#{size}&d=#{u(default_image_url)}"
70   end
71
72   def user_gravatar_tag(user, options = {})
73     url = user_gravatar_url(user, options)
74     options.delete(:size)
75     image_tag url, options
76   end
77 end