summaryrefslogtreecommitdiff
path: root/app/models/issue.rb
blob: ab98d0cf9df3a90ff78a4abed94875f89840b3b7 (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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
require 'carrierwave/orm/activerecord'

class Issue < ActiveRecord::Base
  include InternalId
  include Issuable
  include Referable
  include Sortable
  include Taskable
  include Spammable
  include FasterCacheKeys
  include AkismetSubmittable

  DueDateStruct = Struct.new(:title, :name).freeze
  NoDueDate     = DueDateStruct.new('No Due Date', '0').freeze
  AnyDueDate    = DueDateStruct.new('Any Due Date', '').freeze
  Overdue       = DueDateStruct.new('Overdue', 'overdue').freeze
  DueThisWeek   = DueDateStruct.new('Due This Week', 'week').freeze
  DueThisMonth  = DueDateStruct.new('Due This Month', 'month').freeze

  ActsAsTaggableOn.strict_case_match = true

  belongs_to :project
  belongs_to :moved_to, class_name: 'Issue'

  has_many :events, as: :target, dependent: :destroy

  validates :project, presence: true

  scope :cared, ->(user) { where(assignee_id: user) }
  scope :open_for, ->(user) { opened.assigned_to(user) }
  scope :in_projects, ->(project_ids) { where(project_id: project_ids) }

  scope :without_due_date, -> { where(due_date: nil) }
  scope :due_before, ->(date) { where('issues.due_date < ?', date) }
  scope :due_between, ->(from_date, to_date) { where('issues.due_date >= ?', from_date).where('issues.due_date <= ?', to_date) }

  scope :order_due_date_asc, -> { reorder('issues.due_date IS NULL, issues.due_date ASC') }
  scope :order_due_date_desc, -> { reorder('issues.due_date IS NULL, issues.due_date DESC') }

  attr_spammable :title, spam_title: true
  attr_spammable :description, spam_description: true

  state_machine :state, initial: :opened do
    event :close do
      transition [:reopened, :opened] => :closed
    end

    event :reopen do
      transition closed: :reopened
    end

    state :opened
    state :reopened
    state :closed
  end

  def hook_attrs
    attributes
  end

  class << self
    private

    # Returns the project that the current scope belongs to if any, nil otherwise.
    #
    # Examples:
    # - my_project.issues.without_due_date.owner_project => my_project
    # - Issue.all.owner_project => nil
    def owner_project
      # No owner if we're not being called from an association
      return unless all.respond_to?(:proxy_association)

      owner = all.proxy_association.owner

      # Check if the association is or belongs to a project
      if owner.is_a?(Project)
        owner
      else
        begin
          owner.association(:project).target
        rescue ActiveRecord::AssociationNotFoundError
          nil
        end
      end
    end
  end

  def self.visible_to_user(user)
    return where('issues.confidential IS NULL OR issues.confidential IS FALSE') if user.blank?
    return all if user.admin?

    # Check if we are scoped to a specific project's issues
    if owner_project
      if owner_project.authorized_for_user?(user, Gitlab::Access::REPORTER)
        # If the project is authorized for the user, they can see all issues in the project
        return all
      else
        # else only non confidential and authored/assigned to them
        return where('issues.confidential IS NULL OR issues.confidential IS FALSE
          OR issues.author_id = :user_id OR issues.assignee_id = :user_id',
          user_id: user.id)
      end
    end

    where('
      issues.confidential IS NULL
      OR issues.confidential IS FALSE
      OR (issues.confidential = TRUE
        AND (issues.author_id = :user_id
          OR issues.assignee_id = :user_id
          OR issues.project_id IN(:project_ids)))',
      user_id: user.id,
      project_ids: user.authorized_projects(Gitlab::Access::REPORTER).select(:id))
  end

  def self.reference_prefix
    '#'
  end

  # Pattern used to extract `#123` issue references from text
  #
  # This pattern supports cross-project references.
  def self.reference_pattern
    @reference_pattern ||= %r{
      (#{Project.reference_pattern})?
      #{Regexp.escape(reference_prefix)}(?<issue>\d+)
    }x
  end

  def self.link_reference_pattern
    @link_reference_pattern ||= super("issues", /(?<issue>\d+)/)
  end

  def self.reference_valid?(reference)
    reference.to_i > 0 && reference.to_i <= Gitlab::Database::MAX_INT_VALUE
  end

  def self.sort(method, excluded_labels: [])
    case method.to_s
    when 'due_date_asc' then order_due_date_asc
    when 'due_date_desc' then order_due_date_desc
    else
      super
    end
  end

  def to_reference(from_project = nil)
    reference = "#{self.class.reference_prefix}#{iid}"

    if cross_project_reference?(from_project)
      reference = project.to_reference + reference
    end

    reference
  end

  def referenced_merge_requests(current_user = nil)
    ext = all_references(current_user)

    notes_with_associations.each do |object|
      object.all_references(current_user, extractor: ext)
    end

    ext.merge_requests.sort_by(&:iid)
  end

  # All branches containing the current issue's ID, except for
  # those with a merge request open referencing the current issue.
  def related_branches(current_user)
    branches_with_iid = project.repository.branch_names.select do |branch|
      branch =~ /\A#{iid}-(?!\d+-stable)/i
    end

    branches_with_merge_request = self.referenced_merge_requests(current_user).map(&:source_branch)

    branches_with_iid - branches_with_merge_request
  end

  # Reset issue events cache
  #
  # Since we do cache @event we need to reset cache in special cases:
  # * when an issue is updated
  # Events cache stored like  events/23-20130109142513.
  # The cache key includes updated_at timestamp.
  # Thus it will automatically generate a new fragment
  # when the event is updated because the key changes.
  def reset_events_cache
    Event.reset_event_cache_for(self)
  end

  # To allow polymorphism with MergeRequest.
  def source_project
    project
  end

  # From all notes on this issue, we'll select the system notes about linked
  # merge requests. Of those, the MRs closing `self` are returned.
  def closed_by_merge_requests(current_user = nil)
    return [] unless open?

    ext = all_references(current_user)

    notes.system.each do |note|
      note.all_references(current_user, extractor: ext)
    end

    ext.merge_requests.select { |mr| mr.open? && mr.closes_issue?(self) }
  end

  def moved?
    !moved_to.nil?
  end

  def can_move?(user, to_project = nil)
    if to_project
      return false unless user.can?(:admin_issue, to_project)
    end

    !moved? && persisted? &&
      user.can?(:admin_issue, self.project)
  end

  def to_branch_name
    if self.confidential?
      "#{iid}-confidential-issue"
    else
      "#{iid}-#{title.parameterize}"
    end
  end

  def can_be_worked_on?(current_user)
    !self.closed? &&
      !self.project.forked? &&
      self.related_branches(current_user).empty? &&
      self.closed_by_merge_requests(current_user).empty?
  end

  # Returns `true` if the current issue can be viewed by either a logged in User
  # or an anonymous user.
  def visible_to_user?(user = nil)
    user ? readable_by?(user) : publicly_visible?
  end

  # Returns `true` if the given User can read the current Issue.
  def readable_by?(user)
    if user.admin?
      true
    elsif project.owner == user
      true
    elsif confidential?
      author == user ||
        assignee == user ||
        project.team.member?(user, Gitlab::Access::REPORTER)
    else
      project.public? ||
        project.internal? && !user.external? ||
        project.team.member?(user)
    end
  end

  # Returns `true` if this Issue is visible to everybody.
  def publicly_visible?
    project.public? && !confidential?
  end

  def overdue?
    due_date.try(:past?) || false
  end

  # Only issues on public projects should be checked for spam
  def check_for_spam?
    super && project.public?
  end
end