summaryrefslogtreecommitdiff
path: root/app/helpers/avatars_helper.rb
blob: b7f7e617825f9193f65df9f2f226f0af48a93843 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
# frozen_string_literal: true

module AvatarsHelper
  def project_icon(project, options = {})
    source_icon(project, options)
  end

  def group_icon(group, options = {})
    source_icon(group, options)
  end

  # Takes both user and email and returns the avatar_icon by
  # user (preferred) or email.
  def avatar_icon_for(user = nil, email = nil, size = nil, scale = 2, only_path: true)
    if user
      avatar_icon_for_user(user, size, scale, only_path: only_path)
    elsif email
      avatar_icon_for_email(email, size, scale, only_path: only_path)
    else
      default_avatar
    end
  end

  def avatar_icon_for_email(email = nil, size = nil, scale = 2, only_path: true)
    user = User.find_by_any_email(email)
    if user
      avatar_icon_for_user(user, size, scale, only_path: only_path)
    else
      gravatar_icon(email, size, scale)
    end
  end

  def avatar_icon_for_user(user = nil, size = nil, scale = 2, only_path: true)
    if user
      user.avatar_url(size: size, only_path: only_path) || default_avatar
    else
      gravatar_icon(nil, size, scale)
    end
  end

  def gravatar_icon(user_email = '', size = nil, scale = 2)
    GravatarService.new.execute(user_email, size, scale) ||
      default_avatar
  end

  def default_avatar
    ActionController::Base.helpers.image_path('no_avatar.png')
  end

  def author_avatar(commit_or_event, options = {})
    user_avatar(options.merge({
      user: commit_or_event.author,
      user_name: commit_or_event.author_name,
      user_email: commit_or_event.author_email,
      css_class: 'd-none d-sm-inline-block'
    }))
  end

  def user_avatar_url_for(only_path: true, **options)
    if options[:url]
      options[:url]
    elsif options[:user]
      avatar_icon_for_user(options[:user], options[:size], only_path: only_path)
    else
      avatar_icon_for_email(options[:user_email], options[:size], only_path: only_path)
    end
  end

  def user_avatar_without_link(options = {})
    avatar_size = options[:size] || 16
    user_name = options[:user].try(:name) || options[:user_name]

    avatar_url = user_avatar_url_for(options.merge(size: avatar_size))

    has_tooltip = options[:has_tooltip].nil? ? true : options[:has_tooltip]
    data_attributes = options[:data] || {}
    css_class = %W[avatar s#{avatar_size}].push(*options[:css_class])
    alt_text = user_name ? "#{user_name}'s avatar" : "default avatar"

    if has_tooltip
      css_class.push('has-tooltip')
      data_attributes[:container] = 'body'
    end

    if options[:lazy]
      css_class << 'lazy'
      data_attributes[:src] = avatar_url
      avatar_url = LazyImageTagHelper.placeholder_image
    end

    image_options = {
      alt:   alt_text,
      src:   avatar_url,
      data:  data_attributes,
      class: css_class,
      title: user_name
    }

    tag(:img, image_options)
  end

  def user_avatar(options = {})
    avatar = user_avatar_without_link(options)

    if options[:user]
      link_to(avatar, user_path(options[:user]))
    elsif options[:user_email]
      mail_to(options[:user_email], avatar)
    end
  end

  private

  def source_icon(source, options = {})
    avatar_url = source.try(:avatar_url)

    if avatar_url
      image_tag avatar_url, options
    else
      source_identicon(source, options)
    end
  end

  def source_identicon(source, options = {})
    bg_key = (source.id % 7) + 1

    options[:class] =
      [*options[:class], "identicon bg#{bg_key}"].join(' ')

    content_tag(:div, class: options[:class].strip) do
      source.name[0, 1].upcase
    end
  end
end