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1 1 # Redmine - project management software
2 2 # Copyright (C) 2006-2011 Jean-Philippe Lang
3 3 #
4 4 # This program is free software; you can redistribute it and/or
5 5 # modify it under the terms of the GNU General Public License
6 6 # as published by the Free Software Foundation; either version 2
7 7 # of the License, or (at your option) any later version.
8 8 #
9 9 # This program is distributed in the hope that it will be useful,
10 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 12 # GNU General Public License for more details.
13 13 #
14 14 # You should have received a copy of the GNU General Public License
15 15 # along with this program; if not, write to the Free Software
16 16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 17
18 18 class QueryColumn
19 19 attr_accessor :name, :sortable, :groupable, :default_order
20 20 include Redmine::I18n
21 21
22 22 def initialize(name, options={})
23 23 self.name = name
24 24 self.sortable = options[:sortable]
25 25 self.groupable = options[:groupable] || false
26 26 if groupable == true
27 27 self.groupable = name.to_s
28 28 end
29 29 self.default_order = options[:default_order]
30 30 @caption_key = options[:caption] || "field_#{name}"
31 31 end
32 32
33 33 def caption
34 34 l(@caption_key)
35 35 end
36 36
37 37 # Returns true if the column is sortable, otherwise false
38 38 def sortable?
39 39 !@sortable.nil?
40 40 end
41 41
42 42 def sortable
43 43 @sortable.is_a?(Proc) ? @sortable.call : @sortable
44 44 end
45 45
46 46 def value(issue)
47 47 issue.send name
48 48 end
49 49
50 50 def css_classes
51 51 name
52 52 end
53 53 end
54 54
55 55 class QueryCustomFieldColumn < QueryColumn
56 56
57 57 def initialize(custom_field)
58 58 self.name = "cf_#{custom_field.id}".to_sym
59 59 self.sortable = custom_field.order_statement || false
60 60 if %w(list date bool int).include?(custom_field.field_format) && !custom_field.multiple?
61 61 self.groupable = custom_field.order_statement
62 62 end
63 63 self.groupable ||= false
64 64 @cf = custom_field
65 65 end
66 66
67 67 def caption
68 68 @cf.name
69 69 end
70 70
71 71 def custom_field
72 72 @cf
73 73 end
74 74
75 75 def value(issue)
76 76 cv = issue.custom_values.select {|v| v.custom_field_id == @cf.id}.collect {|v| @cf.cast_value(v.value)}
77 77 cv.size > 1 ? cv : cv.first
78 78 end
79 79
80 80 def css_classes
81 81 @css_classes ||= "#{name} #{@cf.field_format}"
82 82 end
83 83 end
84 84
85 85 class Query < ActiveRecord::Base
86 86 class StatementInvalid < ::ActiveRecord::StatementInvalid
87 87 end
88 88
89 89 belongs_to :project
90 90 belongs_to :user
91 91 serialize :filters
92 92 serialize :column_names
93 93 serialize :sort_criteria, Array
94 94
95 95 attr_protected :project_id, :user_id
96 96
97 97 validates_presence_of :name
98 98 validates_length_of :name, :maximum => 255
99 99 validate :validate_query_filters
100 100
101 101 @@operators = { "=" => :label_equals,
102 102 "!" => :label_not_equals,
103 103 "o" => :label_open_issues,
104 104 "c" => :label_closed_issues,
105 105 "!*" => :label_none,
106 106 "*" => :label_all,
107 107 ">=" => :label_greater_or_equal,
108 108 "<=" => :label_less_or_equal,
109 109 "><" => :label_between,
110 110 "<t+" => :label_in_less_than,
111 111 ">t+" => :label_in_more_than,
112 112 "t+" => :label_in,
113 113 "t" => :label_today,
114 114 "w" => :label_this_week,
115 115 ">t-" => :label_less_than_ago,
116 116 "<t-" => :label_more_than_ago,
117 117 "t-" => :label_ago,
118 118 "~" => :label_contains,
119 119 "!~" => :label_not_contains }
120 120
121 121 cattr_reader :operators
122 122
123 123 @@operators_by_filter_type = { :list => [ "=", "!" ],
124 124 :list_status => [ "o", "=", "!", "c", "*" ],
125 125 :list_optional => [ "=", "!", "!*", "*" ],
126 126 :list_subprojects => [ "*", "!*", "=" ],
127 127 :date => [ "=", ">=", "<=", "><", "<t+", ">t+", "t+", "t", "w", ">t-", "<t-", "t-", "!*", "*" ],
128 128 :date_past => [ "=", ">=", "<=", "><", ">t-", "<t-", "t-", "t", "w", "!*", "*" ],
129 129 :string => [ "=", "~", "!", "!~" ],
130 130 :text => [ "~", "!~" ],
131 131 :integer => [ "=", ">=", "<=", "><", "!*", "*" ],
132 132 :float => [ "=", ">=", "<=", "><", "!*", "*" ] }
133 133
134 134 cattr_reader :operators_by_filter_type
135 135
136 136 @@available_columns = [
137 137 QueryColumn.new(:project, :sortable => "#{Project.table_name}.name", :groupable => true),
138 138 QueryColumn.new(:tracker, :sortable => "#{Tracker.table_name}.position", :groupable => true),
139 139 QueryColumn.new(:parent, :sortable => ["#{Issue.table_name}.root_id", "#{Issue.table_name}.lft ASC"], :default_order => 'desc', :caption => :field_parent_issue),
140 140 QueryColumn.new(:status, :sortable => "#{IssueStatus.table_name}.position", :groupable => true),
141 141 QueryColumn.new(:priority, :sortable => "#{IssuePriority.table_name}.position", :default_order => 'desc', :groupable => true),
142 142 QueryColumn.new(:subject, :sortable => "#{Issue.table_name}.subject"),
143 143 QueryColumn.new(:author, :sortable => lambda {User.fields_for_order_statement("authors")}, :groupable => true),
144 144 QueryColumn.new(:assigned_to, :sortable => lambda {User.fields_for_order_statement}, :groupable => true),
145 145 QueryColumn.new(:updated_on, :sortable => "#{Issue.table_name}.updated_on", :default_order => 'desc'),
146 146 QueryColumn.new(:category, :sortable => "#{IssueCategory.table_name}.name", :groupable => true),
147 147 QueryColumn.new(:fixed_version, :sortable => ["#{Version.table_name}.effective_date", "#{Version.table_name}.name"], :default_order => 'desc', :groupable => true),
148 148 QueryColumn.new(:start_date, :sortable => "#{Issue.table_name}.start_date"),
149 149 QueryColumn.new(:due_date, :sortable => "#{Issue.table_name}.due_date"),
150 150 QueryColumn.new(:estimated_hours, :sortable => "#{Issue.table_name}.estimated_hours"),
151 151 QueryColumn.new(:done_ratio, :sortable => "#{Issue.table_name}.done_ratio", :groupable => true),
152 152 QueryColumn.new(:created_on, :sortable => "#{Issue.table_name}.created_on", :default_order => 'desc'),
153 153 ]
154 154 cattr_reader :available_columns
155 155
156 156 named_scope :visible, lambda {|*args|
157 157 user = args.shift || User.current
158 158 base = Project.allowed_to_condition(user, :view_issues, *args)
159 159 user_id = user.logged? ? user.id : 0
160 160 {
161 161 :conditions => ["(#{table_name}.project_id IS NULL OR (#{base})) AND (#{table_name}.is_public = ? OR #{table_name}.user_id = ?)", true, user_id],
162 162 :include => :project
163 163 }
164 164 }
165 165
166 166 def initialize(attributes=nil, *args)
167 167 super attributes
168 168 self.filters ||= { 'status_id' => {:operator => "o", :values => [""]} }
169 169 @is_for_all = project.nil?
170 170 end
171 171
172 172 def validate_query_filters
173 173 filters.each_key do |field|
174 174 if values_for(field)
175 175 case type_for(field)
176 176 when :integer
177 177 add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^\d+$/) }
178 178 when :float
179 179 add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^\d+(\.\d*)?$/) }
180 180 when :date, :date_past
181 181 case operator_for(field)
182 182 when "=", ">=", "<=", "><"
183 183 add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && (!v.match(/^\d{4}-\d{2}-\d{2}$/) || (Date.parse(v) rescue nil).nil?) }
184 184 when ">t-", "<t-", "t-"
185 185 add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^\d+$/) }
186 186 end
187 187 end
188 188 end
189 189
190 190 add_filter_error(field, :blank) unless
191 191 # filter requires one or more values
192 192 (values_for(field) and !values_for(field).first.blank?) or
193 193 # filter doesn't require any value
194 194 ["o", "c", "!*", "*", "t", "w"].include? operator_for(field)
195 195 end if filters
196 196 end
197 197
198 198 def add_filter_error(field, message)
199 199 m = label_for(field) + " " + l(message, :scope => 'activerecord.errors.messages')
200 200 errors.add(:base, m)
201 201 end
202 202
203 203 # Returns true if the query is visible to +user+ or the current user.
204 204 def visible?(user=User.current)
205 205 (project.nil? || user.allowed_to?(:view_issues, project)) && (self.is_public? || self.user_id == user.id)
206 206 end
207 207
208 208 def editable_by?(user)
209 209 return false unless user
210 210 # Admin can edit them all and regular users can edit their private queries
211 211 return true if user.admin? || (!is_public && self.user_id == user.id)
212 212 # Members can not edit public queries that are for all project (only admin is allowed to)
213 213 is_public && !@is_for_all && user.allowed_to?(:manage_public_queries, project)
214 214 end
215 215
216 216 def available_filters
217 217 return @available_filters if @available_filters
218 218
219 219 trackers = project.nil? ? Tracker.find(:all, :order => 'position') : project.rolled_up_trackers
220 220
221 221 @available_filters = { "status_id" => { :type => :list_status, :order => 1, :values => IssueStatus.find(:all, :order => 'position').collect{|s| [s.name, s.id.to_s] } },
222 222 "tracker_id" => { :type => :list, :order => 2, :values => trackers.collect{|s| [s.name, s.id.to_s] } },
223 223 "priority_id" => { :type => :list, :order => 3, :values => IssuePriority.all.collect{|s| [s.name, s.id.to_s] } },
224 224 "subject" => { :type => :text, :order => 8 },
225 225 "created_on" => { :type => :date_past, :order => 9 },
226 226 "updated_on" => { :type => :date_past, :order => 10 },
227 227 "start_date" => { :type => :date, :order => 11 },
228 228 "due_date" => { :type => :date, :order => 12 },
229 229 "estimated_hours" => { :type => :float, :order => 13 },
230 230 "done_ratio" => { :type => :integer, :order => 14 }}
231 231
232 232 principals = []
233 233 if project
234 234 principals += project.principals.sort
235 235 unless project.leaf?
236 236 subprojects = project.descendants.visible.all
237 237 if subprojects.any?
238 238 @available_filters["subproject_id"] = { :type => :list_subprojects, :order => 13, :values => subprojects.collect{|s| [s.name, s.id.to_s] } }
239 239 principals += Principal.member_of(subprojects)
240 240 end
241 241 end
242 242 else
243 243 all_projects = Project.visible.all
244 244 if all_projects.any?
245 245 # members of visible projects
246 246 principals += Principal.member_of(all_projects)
247 247
248 248 # project filter
249 249 project_values = []
250 250 if User.current.logged? && User.current.memberships.any?
251 251 project_values << ["<< #{l(:label_my_projects).downcase} >>", "mine"]
252 252 end
253 253 Project.project_tree(all_projects) do |p, level|
254 254 prefix = (level > 0 ? ('--' * level + ' ') : '')
255 255 project_values << ["#{prefix}#{p.name}", p.id.to_s]
256 256 end
257 257 @available_filters["project_id"] = { :type => :list, :order => 1, :values => project_values} unless project_values.empty?
258 258 end
259 259 end
260 260 principals.uniq!
261 261 principals.sort!
262 262 users = principals.select {|p| p.is_a?(User)}
263 263
264 264 assigned_to_values = []
265 265 assigned_to_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?
266 266 assigned_to_values += (Setting.issue_group_assignment? ? principals : users).collect{|s| [s.name, s.id.to_s] }
267 267 @available_filters["assigned_to_id"] = { :type => :list_optional, :order => 4, :values => assigned_to_values } unless assigned_to_values.empty?
268 268
269 269 author_values = []
270 270 author_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?
271 271 author_values += users.collect{|s| [s.name, s.id.to_s] }
272 272 @available_filters["author_id"] = { :type => :list, :order => 5, :values => author_values } unless author_values.empty?
273 273
274 274 group_values = Group.all.collect {|g| [g.name, g.id.to_s] }
275 275 @available_filters["member_of_group"] = { :type => :list_optional, :order => 6, :values => group_values } unless group_values.empty?
276 276
277 277 role_values = Role.givable.collect {|r| [r.name, r.id.to_s] }
278 278 @available_filters["assigned_to_role"] = { :type => :list_optional, :order => 7, :values => role_values } unless role_values.empty?
279 279
280 280 if User.current.logged?
281 281 @available_filters["watcher_id"] = { :type => :list, :order => 15, :values => [["<< #{l(:label_me)} >>", "me"]] }
282 282 end
283 283
284 284 if project
285 285 # project specific filters
286 286 categories = project.issue_categories.all
287 287 unless categories.empty?
288 288 @available_filters["category_id"] = { :type => :list_optional, :order => 6, :values => categories.collect{|s| [s.name, s.id.to_s] } }
289 289 end
290 290 versions = project.shared_versions.all
291 291 unless versions.empty?
292 292 @available_filters["fixed_version_id"] = { :type => :list_optional, :order => 7, :values => versions.sort.collect{|s| ["#{s.project.name} - #{s.name}", s.id.to_s] } }
293 293 end
294 294 add_custom_fields_filters(project.all_issue_custom_fields)
295 295 else
296 296 # global filters for cross project issue list
297 297 system_shared_versions = Version.visible.find_all_by_sharing('system')
298 298 unless system_shared_versions.empty?
299 299 @available_filters["fixed_version_id"] = { :type => :list_optional, :order => 7, :values => system_shared_versions.sort.collect{|s| ["#{s.project.name} - #{s.name}", s.id.to_s] } }
300 300 end
301 301 add_custom_fields_filters(IssueCustomField.find(:all, :conditions => {:is_filter => true, :is_for_all => true}))
302 302 end
303 303 @available_filters
304 304 end
305 305
306 306 def add_filter(field, operator, values)
307 307 # values must be an array
308 308 return unless values.nil? || values.is_a?(Array)
309 309 # check if field is defined as an available filter
310 310 if available_filters.has_key? field
311 311 filter_options = available_filters[field]
312 312 # check if operator is allowed for that filter
313 313 #if @@operators_by_filter_type[filter_options[:type]].include? operator
314 314 # allowed_values = values & ([""] + (filter_options[:values] || []).collect {|val| val[1]})
315 315 # filters[field] = {:operator => operator, :values => allowed_values } if (allowed_values.first and !allowed_values.first.empty?) or ["o", "c", "!*", "*", "t"].include? operator
316 316 #end
317 317 filters[field] = {:operator => operator, :values => (values || [''])}
318 318 end
319 319 end
320 320
321 321 def add_short_filter(field, expression)
322 322 return unless expression && available_filters.has_key?(field)
323 323 field_type = available_filters[field][:type]
324 324 @@operators_by_filter_type[field_type].sort.reverse.detect do |operator|
325 325 next unless expression =~ /^#{Regexp.escape(operator)}(.*)$/
326 326 add_filter field, operator, $1.present? ? $1.split('|') : ['']
327 327 end || add_filter(field, '=', expression.split('|'))
328 328 end
329 329
330 330 # Add multiple filters using +add_filter+
331 331 def add_filters(fields, operators, values)
332 332 if fields.is_a?(Array) && operators.is_a?(Hash) && (values.nil? || values.is_a?(Hash))
333 333 fields.each do |field|
334 334 add_filter(field, operators[field], values && values[field])
335 335 end
336 336 end
337 337 end
338 338
339 339 def has_filter?(field)
340 340 filters and filters[field]
341 341 end
342 342
343 343 def type_for(field)
344 344 available_filters[field][:type] if available_filters.has_key?(field)
345 345 end
346 346
347 347 def operator_for(field)
348 348 has_filter?(field) ? filters[field][:operator] : nil
349 349 end
350 350
351 351 def values_for(field)
352 352 has_filter?(field) ? filters[field][:values] : nil
353 353 end
354 354
355 355 def value_for(field, index=0)
356 356 (values_for(field) || [])[index]
357 357 end
358 358
359 359 def label_for(field)
360 360 label = available_filters[field][:name] if available_filters.has_key?(field)
361 361 label ||= l("field_#{field.to_s.gsub(/_id$/, '')}", :default => field)
362 362 end
363 363
364 364 def available_columns
365 365 return @available_columns if @available_columns
366 366 @available_columns = ::Query.available_columns.dup
367 367 @available_columns += (project ?
368 368 project.all_issue_custom_fields :
369 369 IssueCustomField.find(:all)
370 370 ).collect {|cf| QueryCustomFieldColumn.new(cf) }
371 371
372 372 if User.current.allowed_to?(:view_time_entries, project, :global => true)
373 373 index = nil
374 374 @available_columns.each_with_index {|column, i| index = i if column.name == :estimated_hours}
375 375 index = (index ? index + 1 : -1)
376 376 # insert the column after estimated_hours or at the end
377 377 @available_columns.insert index, QueryColumn.new(:spent_hours,
378 378 :sortable => "(SELECT COALESCE(SUM(hours), 0) FROM #{TimeEntry.table_name} WHERE #{TimeEntry.table_name}.issue_id = #{Issue.table_name}.id)",
379 379 :default_order => 'desc',
380 380 :caption => :label_spent_time
381 381 )
382 382 end
383 383 @available_columns
384 384 end
385 385
386 386 def self.available_columns=(v)
387 387 self.available_columns = (v)
388 388 end
389 389
390 390 def self.add_available_column(column)
391 391 self.available_columns << (column) if column.is_a?(QueryColumn)
392 392 end
393 393
394 394 # Returns an array of columns that can be used to group the results
395 395 def groupable_columns
396 396 available_columns.select {|c| c.groupable}
397 397 end
398 398
399 399 # Returns a Hash of columns and the key for sorting
400 400 def sortable_columns
401 401 {'id' => "#{Issue.table_name}.id"}.merge(available_columns.inject({}) {|h, column|
402 402 h[column.name.to_s] = column.sortable
403 403 h
404 404 })
405 405 end
406 406
407 407 def columns
408 408 # preserve the column_names order
409 409 (has_default_columns? ? default_columns_names : column_names).collect do |name|
410 410 available_columns.find { |col| col.name == name }
411 411 end.compact
412 412 end
413 413
414 414 def default_columns_names
415 415 @default_columns_names ||= begin
416 416 default_columns = Setting.issue_list_default_columns.map(&:to_sym)
417 417
418 418 project.present? ? default_columns : [:project] | default_columns
419 419 end
420 420 end
421 421
422 422 def column_names=(names)
423 423 if names
424 424 names = names.select {|n| n.is_a?(Symbol) || !n.blank? }
425 425 names = names.collect {|n| n.is_a?(Symbol) ? n : n.to_sym }
426 426 # Set column_names to nil if default columns
427 427 if names == default_columns_names
428 428 names = nil
429 429 end
430 430 end
431 431 write_attribute(:column_names, names)
432 432 end
433 433
434 434 def has_column?(column)
435 435 column_names && column_names.include?(column.is_a?(QueryColumn) ? column.name : column)
436 436 end
437 437
438 438 def has_default_columns?
439 439 column_names.nil? || column_names.empty?
440 440 end
441 441
442 442 def sort_criteria=(arg)
443 443 c = []
444 444 if arg.is_a?(Hash)
445 445 arg = arg.keys.sort.collect {|k| arg[k]}
446 446 end
447 447 c = arg.select {|k,o| !k.to_s.blank?}.slice(0,3).collect {|k,o| [k.to_s, o == 'desc' ? o : 'asc']}
448 448 write_attribute(:sort_criteria, c)
449 449 end
450 450
451 451 def sort_criteria
452 452 read_attribute(:sort_criteria) || []
453 453 end
454 454
455 455 def sort_criteria_key(arg)
456 456 sort_criteria && sort_criteria[arg] && sort_criteria[arg].first
457 457 end
458 458
459 459 def sort_criteria_order(arg)
460 460 sort_criteria && sort_criteria[arg] && sort_criteria[arg].last
461 461 end
462 462
463 463 # Returns the SQL sort order that should be prepended for grouping
464 464 def group_by_sort_order
465 465 if grouped? && (column = group_by_column)
466 466 column.sortable.is_a?(Array) ?
467 467 column.sortable.collect {|s| "#{s} #{column.default_order}"}.join(',') :
468 468 "#{column.sortable} #{column.default_order}"
469 469 end
470 470 end
471 471
472 472 # Returns true if the query is a grouped query
473 473 def grouped?
474 474 !group_by_column.nil?
475 475 end
476 476
477 477 def group_by_column
478 478 groupable_columns.detect {|c| c.groupable && c.name.to_s == group_by}
479 479 end
480 480
481 481 def group_by_statement
482 482 group_by_column.try(:groupable)
483 483 end
484 484
485 485 def project_statement
486 486 project_clauses = []
487 487 if project && !project.descendants.active.empty?
488 488 ids = [project.id]
489 489 if has_filter?("subproject_id")
490 490 case operator_for("subproject_id")
491 491 when '='
492 492 # include the selected subprojects
493 493 ids += values_for("subproject_id").each(&:to_i)
494 494 when '!*'
495 495 # main project only
496 496 else
497 497 # all subprojects
498 498 ids += project.descendants.collect(&:id)
499 499 end
500 500 elsif Setting.display_subprojects_issues?
501 501 ids += project.descendants.collect(&:id)
502 502 end
503 503 project_clauses << "#{Project.table_name}.id IN (%s)" % ids.join(',')
504 504 elsif project
505 505 project_clauses << "#{Project.table_name}.id = %d" % project.id
506 506 end
507 507 project_clauses.any? ? project_clauses.join(' AND ') : nil
508 508 end
509 509
510 510 def statement
511 511 # filters clauses
512 512 filters_clauses = []
513 513 filters.each_key do |field|
514 514 next if field == "subproject_id"
515 515 v = values_for(field).clone
516 516 next unless v and !v.empty?
517 517 operator = operator_for(field)
518 518
519 519 # "me" value subsitution
520 520 if %w(assigned_to_id author_id watcher_id).include?(field)
521 521 if v.delete("me")
522 522 if User.current.logged?
523 523 v.push(User.current.id.to_s)
524 524 v += User.current.group_ids.map(&:to_s) if field == 'assigned_to_id'
525 525 else
526 526 v.push("0")
527 527 end
528 528 end
529 529 end
530 530
531 531 if field == 'project_id'
532 532 if v.delete('mine')
533 533 v += User.current.memberships.map(&:project_id).map(&:to_s)
534 534 end
535 535 end
536 536
537 537 if field =~ /^cf_(\d+)$/
538 538 # custom field
539 539 filters_clauses << sql_for_custom_field(field, operator, v, $1)
540 540 elsif respond_to?("sql_for_#{field}_field")
541 541 # specific statement
542 542 filters_clauses << send("sql_for_#{field}_field", field, operator, v)
543 543 else
544 544 # regular field
545 545 filters_clauses << '(' + sql_for_field(field, operator, v, Issue.table_name, field) + ')'
546 546 end
547 547 end if filters and valid?
548 548
549 549 filters_clauses << project_statement
550 550 filters_clauses.reject!(&:blank?)
551 551
552 552 filters_clauses.any? ? filters_clauses.join(' AND ') : nil
553 553 end
554 554
555 555 # Returns the issue count
556 556 def issue_count
557 557 Issue.visible.count(:include => [:status, :project], :conditions => statement)
558 558 rescue ::ActiveRecord::StatementInvalid => e
559 559 raise StatementInvalid.new(e.message)
560 560 end
561 561
562 562 # Returns the issue count by group or nil if query is not grouped
563 563 def issue_count_by_group
564 564 r = nil
565 565 if grouped?
566 566 begin
567 567 # Rails will raise an (unexpected) RecordNotFound if there's only a nil group value
568 568 r = Issue.visible.count(:group => group_by_statement, :include => [:status, :project], :conditions => statement)
569 569 rescue ActiveRecord::RecordNotFound
570 570 r = {nil => issue_count}
571 571 end
572 572 c = group_by_column
573 573 if c.is_a?(QueryCustomFieldColumn)
574 574 r = r.keys.inject({}) {|h, k| h[c.custom_field.cast_value(k)] = r[k]; h}
575 575 end
576 576 end
577 577 r
578 578 rescue ::ActiveRecord::StatementInvalid => e
579 579 raise StatementInvalid.new(e.message)
580 580 end
581 581
582 582 # Returns the issues
583 583 # Valid options are :order, :offset, :limit, :include, :conditions
584 584 def issues(options={})
585 585 order_option = [group_by_sort_order, options[:order]].reject {|s| s.blank?}.join(',')
586 586 order_option = nil if order_option.blank?
587 587
588 588 joins = (order_option && order_option.include?('authors')) ? "LEFT OUTER JOIN users authors ON authors.id = #{Issue.table_name}.author_id" : nil
589 589
590 590 issues = Issue.visible.scoped(:conditions => options[:conditions]).find :all, :include => ([:status, :project] + (options[:include] || [])).uniq,
591 591 :conditions => statement,
592 592 :order => order_option,
593 593 :joins => joins,
594 594 :limit => options[:limit],
595 595 :offset => options[:offset]
596 596
597 597 if has_column?(:spent_hours)
598 598 Issue.load_visible_spent_hours(issues)
599 599 end
600 600 issues
601 601 rescue ::ActiveRecord::StatementInvalid => e
602 602 raise StatementInvalid.new(e.message)
603 603 end
604 604
605 605 # Returns the issues ids
606 606 def issue_ids(options={})
607 607 order_option = [group_by_sort_order, options[:order]].reject {|s| s.blank?}.join(',')
608 608 order_option = nil if order_option.blank?
609 609
610 610 joins = (order_option && order_option.include?('authors')) ? "LEFT OUTER JOIN users authors ON authors.id = #{Issue.table_name}.author_id" : nil
611 611
612 Issue.visible.scoped(:conditions => options[:conditions]).find_ids :include => ([:status, :project] + (options[:include] || [])).uniq,
612 Issue.visible.scoped(:conditions => options[:conditions]).scoped(:include => ([:status, :project] + (options[:include] || [])).uniq,
613 613 :conditions => statement,
614 614 :order => order_option,
615 615 :joins => joins,
616 616 :limit => options[:limit],
617 :offset => options[:offset]
617 :offset => options[:offset]).find_ids
618 618 rescue ::ActiveRecord::StatementInvalid => e
619 619 raise StatementInvalid.new(e.message)
620 620 end
621 621
622 622 # Returns the journals
623 623 # Valid options are :order, :offset, :limit
624 624 def journals(options={})
625 625 Journal.visible.find :all, :include => [:details, :user, {:issue => [:project, :author, :tracker, :status]}],
626 626 :conditions => statement,
627 627 :order => options[:order],
628 628 :limit => options[:limit],
629 629 :offset => options[:offset]
630 630 rescue ::ActiveRecord::StatementInvalid => e
631 631 raise StatementInvalid.new(e.message)
632 632 end
633 633
634 634 # Returns the versions
635 635 # Valid options are :conditions
636 636 def versions(options={})
637 637 Version.visible.scoped(:conditions => options[:conditions]).find :all, :include => :project, :conditions => project_statement
638 638 rescue ::ActiveRecord::StatementInvalid => e
639 639 raise StatementInvalid.new(e.message)
640 640 end
641 641
642 642 def sql_for_watcher_id_field(field, operator, value)
643 643 db_table = Watcher.table_name
644 644 "#{Issue.table_name}.id #{ operator == '=' ? 'IN' : 'NOT IN' } (SELECT #{db_table}.watchable_id FROM #{db_table} WHERE #{db_table}.watchable_type='Issue' AND " +
645 645 sql_for_field(field, '=', value, db_table, 'user_id') + ')'
646 646 end
647 647
648 648 def sql_for_member_of_group_field(field, operator, value)
649 649 if operator == '*' # Any group
650 650 groups = Group.all
651 651 operator = '=' # Override the operator since we want to find by assigned_to
652 652 elsif operator == "!*"
653 653 groups = Group.all
654 654 operator = '!' # Override the operator since we want to find by assigned_to
655 655 else
656 656 groups = Group.find_all_by_id(value)
657 657 end
658 658 groups ||= []
659 659
660 660 members_of_groups = groups.inject([]) {|user_ids, group|
661 661 if group && group.user_ids.present?
662 662 user_ids << group.user_ids
663 663 end
664 664 user_ids.flatten.uniq.compact
665 665 }.sort.collect(&:to_s)
666 666
667 667 '(' + sql_for_field("assigned_to_id", operator, members_of_groups, Issue.table_name, "assigned_to_id", false) + ')'
668 668 end
669 669
670 670 def sql_for_assigned_to_role_field(field, operator, value)
671 671 case operator
672 672 when "*", "!*" # Member / Not member
673 673 sw = operator == "!*" ? 'NOT' : ''
674 674 nl = operator == "!*" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
675 675 "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}" +
676 676 " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id))"
677 677 when "=", "!"
678 678 role_cond = value.any? ?
679 679 "#{MemberRole.table_name}.role_id IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")" :
680 680 "1=0"
681 681
682 682 sw = operator == "!" ? 'NOT' : ''
683 683 nl = operator == "!" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
684 684 "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}, #{MemberRole.table_name}" +
685 685 " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id AND #{Member.table_name}.id = #{MemberRole.table_name}.member_id AND #{role_cond}))"
686 686 end
687 687 end
688 688
689 689 private
690 690
691 691 def sql_for_custom_field(field, operator, value, custom_field_id)
692 692 db_table = CustomValue.table_name
693 693 db_field = 'value'
694 694 filter = @available_filters[field]
695 695 if filter && filter[:format] == 'user'
696 696 if value.delete('me')
697 697 value.push User.current.id.to_s
698 698 end
699 699 end
700 700 not_in = nil
701 701 if operator == '!'
702 702 # Makes ! operator work for custom fields with multiple values
703 703 operator = '='
704 704 not_in = 'NOT'
705 705 end
706 706 "#{Issue.table_name}.id #{not_in} IN (SELECT #{Issue.table_name}.id FROM #{Issue.table_name} LEFT OUTER JOIN #{db_table} ON #{db_table}.customized_type='Issue' AND #{db_table}.customized_id=#{Issue.table_name}.id AND #{db_table}.custom_field_id=#{custom_field_id} WHERE " +
707 707 sql_for_field(field, operator, value, db_table, db_field, true) + ')'
708 708 end
709 709
710 710 # Helper method to generate the WHERE sql for a +field+, +operator+ and a +value+
711 711 def sql_for_field(field, operator, value, db_table, db_field, is_custom_filter=false)
712 712 sql = ''
713 713 case operator
714 714 when "="
715 715 if value.any?
716 716 case type_for(field)
717 717 when :date, :date_past
718 718 sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), (Date.parse(value.first) rescue nil))
719 719 when :integer
720 720 if is_custom_filter
721 721 sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) = #{value.first.to_i})"
722 722 else
723 723 sql = "#{db_table}.#{db_field} = #{value.first.to_i}"
724 724 end
725 725 when :float
726 726 if is_custom_filter
727 727 sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) BETWEEN #{value.first.to_f - 1e-5} AND #{value.first.to_f + 1e-5})"
728 728 else
729 729 sql = "#{db_table}.#{db_field} BETWEEN #{value.first.to_f - 1e-5} AND #{value.first.to_f + 1e-5}"
730 730 end
731 731 else
732 732 sql = "#{db_table}.#{db_field} IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")"
733 733 end
734 734 else
735 735 # IN an empty set
736 736 sql = "1=0"
737 737 end
738 738 when "!"
739 739 if value.any?
740 740 sql = "(#{db_table}.#{db_field} IS NULL OR #{db_table}.#{db_field} NOT IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + "))"
741 741 else
742 742 # NOT IN an empty set
743 743 sql = "1=1"
744 744 end
745 745 when "!*"
746 746 sql = "#{db_table}.#{db_field} IS NULL"
747 747 sql << " OR #{db_table}.#{db_field} = ''" if is_custom_filter
748 748 when "*"
749 749 sql = "#{db_table}.#{db_field} IS NOT NULL"
750 750 sql << " AND #{db_table}.#{db_field} <> ''" if is_custom_filter
751 751 when ">="
752 752 if [:date, :date_past].include?(type_for(field))
753 753 sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), nil)
754 754 else
755 755 if is_custom_filter
756 756 sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) >= #{value.first.to_f})"
757 757 else
758 758 sql = "#{db_table}.#{db_field} >= #{value.first.to_f}"
759 759 end
760 760 end
761 761 when "<="
762 762 if [:date, :date_past].include?(type_for(field))
763 763 sql = date_clause(db_table, db_field, nil, (Date.parse(value.first) rescue nil))
764 764 else
765 765 if is_custom_filter
766 766 sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) <= #{value.first.to_f})"
767 767 else
768 768 sql = "#{db_table}.#{db_field} <= #{value.first.to_f}"
769 769 end
770 770 end
771 771 when "><"
772 772 if [:date, :date_past].include?(type_for(field))
773 773 sql = date_clause(db_table, db_field, (Date.parse(value[0]) rescue nil), (Date.parse(value[1]) rescue nil))
774 774 else
775 775 if is_custom_filter
776 776 sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) BETWEEN #{value[0].to_f} AND #{value[1].to_f})"
777 777 else
778 778 sql = "#{db_table}.#{db_field} BETWEEN #{value[0].to_f} AND #{value[1].to_f}"
779 779 end
780 780 end
781 781 when "o"
782 782 sql = "#{Issue.table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_false})" if field == "status_id"
783 783 when "c"
784 784 sql = "#{Issue.table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_true})" if field == "status_id"
785 785 when ">t-"
786 786 sql = relative_date_clause(db_table, db_field, - value.first.to_i, 0)
787 787 when "<t-"
788 788 sql = relative_date_clause(db_table, db_field, nil, - value.first.to_i)
789 789 when "t-"
790 790 sql = relative_date_clause(db_table, db_field, - value.first.to_i, - value.first.to_i)
791 791 when ">t+"
792 792 sql = relative_date_clause(db_table, db_field, value.first.to_i, nil)
793 793 when "<t+"
794 794 sql = relative_date_clause(db_table, db_field, 0, value.first.to_i)
795 795 when "t+"
796 796 sql = relative_date_clause(db_table, db_field, value.first.to_i, value.first.to_i)
797 797 when "t"
798 798 sql = relative_date_clause(db_table, db_field, 0, 0)
799 799 when "w"
800 800 first_day_of_week = l(:general_first_day_of_week).to_i
801 801 day_of_week = Date.today.cwday
802 802 days_ago = (day_of_week >= first_day_of_week ? day_of_week - first_day_of_week : day_of_week + 7 - first_day_of_week)
803 803 sql = relative_date_clause(db_table, db_field, - days_ago, - days_ago + 6)
804 804 when "~"
805 805 sql = "LOWER(#{db_table}.#{db_field}) LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
806 806 when "!~"
807 807 sql = "LOWER(#{db_table}.#{db_field}) NOT LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
808 808 else
809 809 raise "Unknown query operator #{operator}"
810 810 end
811 811
812 812 return sql
813 813 end
814 814
815 815 def add_custom_fields_filters(custom_fields)
816 816 @available_filters ||= {}
817 817
818 818 custom_fields.select(&:is_filter?).each do |field|
819 819 case field.field_format
820 820 when "text"
821 821 options = { :type => :text, :order => 20 }
822 822 when "list"
823 823 options = { :type => :list_optional, :values => field.possible_values, :order => 20}
824 824 when "date"
825 825 options = { :type => :date, :order => 20 }
826 826 when "bool"
827 827 options = { :type => :list, :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]], :order => 20 }
828 828 when "int"
829 829 options = { :type => :integer, :order => 20 }
830 830 when "float"
831 831 options = { :type => :float, :order => 20 }
832 832 when "user", "version"
833 833 next unless project
834 834 values = field.possible_values_options(project)
835 835 if User.current.logged? && field.field_format == 'user'
836 836 values.unshift ["<< #{l(:label_me)} >>", "me"]
837 837 end
838 838 options = { :type => :list_optional, :values => values, :order => 20}
839 839 else
840 840 options = { :type => :string, :order => 20 }
841 841 end
842 842 @available_filters["cf_#{field.id}"] = options.merge({ :name => field.name, :format => field.field_format })
843 843 end
844 844 end
845 845
846 846 # Returns a SQL clause for a date or datetime field.
847 847 def date_clause(table, field, from, to)
848 848 s = []
849 849 if from
850 850 from_yesterday = from - 1
851 851 from_yesterday_utc = Time.gm(from_yesterday.year, from_yesterday.month, from_yesterday.day)
852 852 s << ("#{table}.#{field} > '%s'" % [connection.quoted_date(from_yesterday_utc.end_of_day)])
853 853 end
854 854 if to
855 855 to_utc = Time.gm(to.year, to.month, to.day)
856 856 s << ("#{table}.#{field} <= '%s'" % [connection.quoted_date(to_utc.end_of_day)])
857 857 end
858 858 s.join(' AND ')
859 859 end
860 860
861 861 # Returns a SQL clause for a date or datetime field using relative dates.
862 862 def relative_date_clause(table, field, days_from, days_to)
863 863 date_clause(table, field, (days_from ? Date.today + days_from : nil), (days_to ? Date.today + days_to : nil))
864 864 end
865 865 end
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