summaryrefslogtreecommitdiffstats
path: root/app/models/principal.rb
blob: e4410dde206b820d89f86fc50d3356f1c031a0ca (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
# Redmine - project management software
# Copyright (C) 2006-2017  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class Principal < ActiveRecord::Base
  self.table_name = "#{table_name_prefix}users#{table_name_suffix}"

  # Account statuses
  STATUS_ANONYMOUS  = 0
  STATUS_ACTIVE     = 1
  STATUS_REGISTERED = 2
  STATUS_LOCKED     = 3

  class_attribute :valid_statuses

  has_many :members, :foreign_key => 'user_id', :dependent => :destroy
  has_many :memberships,
           lambda {joins(:project).where.not(:projects => {:status => Project::STATUS_ARCHIVED})},
           :class_name => 'Member',
           :foreign_key => 'user_id'
  has_many :projects, :through => :memberships
  has_many :issue_categories, :foreign_key => 'assigned_to_id', :dependent => :nullify

  validate :validate_status

  # Groups and active users
  scope :active, lambda { where(:status => STATUS_ACTIVE) }

  scope :visible, lambda {|*args|
    user = args.first || User.current

    if user.admin?
      all
    else
      view_all_active = false
      if user.memberships.to_a.any?
        view_all_active = user.memberships.any? {|m| m.roles.any? {|r| r.users_visibility == 'all'}}
      else
        view_all_active = user.builtin_role.users_visibility == 'all'
      end

      if view_all_active
        active
      else
        # self and members of visible projects
        active.where("#{table_name}.id = ? OR #{table_name}.id IN (SELECT user_id FROM #{Member.table_name} WHERE project_id IN (?))",
          user.id, user.visible_project_ids
        )
      end
    end
  }

  scope :like, lambda {|q|
    q = q.to_s
    if q.blank?
      where({})
    else
      pattern = "%#{q}%"
      sql = %w(login firstname lastname).map {|column| "LOWER(#{table_name}.#{column}) LIKE LOWER(:p)"}.join(" OR ")
      sql << " OR #{table_name}.id IN (SELECT user_id FROM #{EmailAddress.table_name} WHERE LOWER(address) LIKE LOWER(:p))"
      params = {:p => pattern}
      if q =~ /^(.+)\s+(.+)$/
        a, b = "#{$1}%", "#{$2}%"
        sql << " OR (LOWER(#{table_name}.firstname) LIKE LOWER(:a) AND LOWER(#{table_name}.lastname) LIKE LOWER(:b))"
        sql << " OR (LOWER(#{table_name}.firstname) LIKE LOWER(:b) AND LOWER(#{table_name}.lastname) LIKE LOWER(:a))"
        params.merge!(:a => a, :b => b)
      end
      where(sql, params)
    end
  }

  # Principals that are members of a collection of projects
  scope :member_of, lambda {|projects|
    projects = [projects] if projects.is_a?(Project)
    if projects.blank?
      where("1=0")
    else
      ids = projects.map(&:id)
      active.where("#{Principal.table_name}.id IN (SELECT DISTINCT user_id FROM #{Member.table_name} WHERE project_id IN (?))", ids)
    end
  }
  # Principals that are not members of projects
  scope :not_member_of, lambda {|projects|
    projects = [projects] unless projects.is_a?(Array)
    if projects.empty?
      where("1=0")
    else
      ids = projects.map(&:id)
      where("#{Principal.table_name}.id NOT IN (SELECT DISTINCT user_id FROM #{Member.table_name} WHERE project_id IN (?))", ids)
    end
  }
  scope :sorted, lambda { order(*Principal.fields_for_order_statement)}

  before_create :set_default_empty_values
  before_destroy :nullify_projects_default_assigned_to

  def reload(*args)
    @project_ids = nil
    super
  end

  def name(formatter = nil)
    to_s
  end

  def mail=(*args)
    nil
  end

  def mail
    nil
  end

  def visible?(user=User.current)
    Principal.visible(user).where(:id => id).first == self
  end

  # Returns true if the principal is a member of project
  def member_of?(project)
    project.is_a?(Project) && project_ids.include?(project.id)
  end

  # Returns an array of the project ids that the principal is a member of
  def project_ids
    @project_ids ||= super.freeze
  end

  def <=>(principal)
    if principal.nil?
      -1
    elsif self.class.name == principal.class.name
      self.to_s.casecmp(principal.to_s)
    else
      # groups after users
      principal.class.name <=> self.class.name
    end
  end

  # Returns an array of fields names than can be used to make an order statement for principals.
  # Users are sorted before Groups.
  # Examples:
  def self.fields_for_order_statement(table=nil)
    table ||= table_name
    columns = ['type DESC'] + (User.name_formatter[:order] - ['id']) + ['lastname', 'id']
    columns.uniq.map {|field| "#{table}.#{field}"}
  end

  # Returns the principal that matches the keyword among principals
  def self.detect_by_keyword(principals, keyword)
    keyword = keyword.to_s
    return nil if keyword.blank?

    principal = nil
    principal ||= principals.detect {|a| keyword.casecmp(a.login.to_s) == 0}
    principal ||= principals.detect {|a| keyword.casecmp(a.mail.to_s) == 0}

    if principal.nil? && keyword.match(/ /)
      firstname, lastname = *(keyword.split) # "First Last Throwaway"
      principal ||= principals.detect {|a|
                                 a.is_a?(User) &&
                                   firstname.casecmp(a.firstname.to_s) == 0 &&
                                   lastname.casecmp(a.lastname.to_s) == 0
                               }
    end
    if principal.nil?
      principal ||= principals.detect {|a| keyword.casecmp(a.name) == 0}
    end
    principal
  end

  def nullify_projects_default_assigned_to
    Project.where(default_assigned_to: self).update_all(default_assigned_to_id: nil)
  end

  protected

  # Make sure we don't try to insert NULL values (see #4632)
  def set_default_empty_values
    self.login ||= ''
    self.hashed_password ||= ''
    self.firstname ||= ''
    self.lastname ||= ''
    true
  end

  def validate_status
    if status_changed? && self.class.valid_statuses.present?
      unless self.class.valid_statuses.include?(status)
        errors.add :status, :invalid
      end
    end
  end
end

require_dependency "user"
require_dependency "group"