SoundSoftware Code Site

# encoding: utf-8

#

# Redmine - project management software

# Copyright (C) 2006-2013  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.

module QueriesHelper

  def filters_options_for_select(query)

    options_for_select(filters_options(query))

  end

  def filters_options(query)

    options = [[]]

    options += query.available_filters.map do |field, field_options|

      [field_options[:name], field]

    end

  end

  def query_filters_hidden_tags(query)

    tags = ''.html_safe

    query.filters.each do |field, options|

      tags << hidden_field_tag("f[]", field, :id => nil)

      tags << hidden_field_tag("op[#{field}]", options[:operator], :id => nil)

      options[:values].each do |value|

        tags << hidden_field_tag("v[#{field}][]", value, :id => nil)

      end

    end

    tags

  end

  def query_columns_hidden_tags(query)

    tags = ''.html_safe

    query.columns.each do |column|

      tags << hidden_field_tag("c[]", column.name, :id => nil)

    end

    tags

  end

  def query_hidden_tags(query)

    query_filters_hidden_tags(query) + query_columns_hidden_tags(query)

  end

  def available_block_columns_tags(query)

    tags = ''.html_safe

    query.available_block_columns.each do |column|

      tags << content_tag('label', check_box_tag('c[]', column.name.to_s, query.has_column?(column)) + " #{column.caption}", :class => 'inline')

    end

    tags

  end

  def query_available_inline_columns_options(query)

    (query.available_inline_columns - query.columns).reject(&:frozen?).collect {|column| [column.caption, column.name]}

  end

  def query_selected_inline_columns_options(query)

    (query.inline_columns & query.available_inline_columns).reject(&:frozen?).collect {|column| [column.caption, column.name]}

  end

  def render_query_columns_selection(query, options={})

    tag_name = (options[:name] || 'c') + '[]'

    render :partial => 'queries/columns', :locals => {:query => query, :tag_name => tag_name}

  end

  def column_header(column)

    column.sortable ? sort_header_tag(column.name.to_s, :caption => column.caption,

                                                        :default_order => column.default_order) :

                      content_tag('th', h(column.caption))

  end

  def column_content(column, issue)

    value = column.value(issue)

    if value.is_a?(Array)

      value.collect {|v| column_value(column, issue, v)}.compact.join(', ').html_safe

    else

      column_value(column, issue, value)

    end

  end

  def column_value(column, issue, value)

    case value.class.name

    when 'String'

      if column.name == :subject

        link_to(h(value), :controller => 'issues', :action => 'show', :id => issue)

      elsif column.name == :description

        issue.description? ? content_tag('div', textilizable(issue, :description), :class => "wiki") : ''

      else

        h(value)

      end

    when 'Time'

      format_time(value)

    when 'Date'

      format_date(value)

    when 'Fixnum'

      if column.name == :id

        link_to value, issue_path(issue)

      elsif column.name == :done_ratio

        progress_bar(value, :width => '80px')

      else

        value.to_s

      end

    when 'Float'

      sprintf "%.2f", value

    when 'User'

      link_to_user value

    when 'Project'

      link_to_project value

    when 'Version'

      link_to(h(value), :controller => 'versions', :action => 'show', :id => value)

    when 'TrueClass'

      l(:general_text_Yes)

    when 'FalseClass'

      l(:general_text_No)

    when 'Issue'

      value.visible? ? link_to_issue(value) : "##{value.id}"

    when 'IssueRelation'

      other = value.other_issue(issue)

      content_tag('span',

        (l(value.label_for(issue)) + " " + link_to_issue(other, :subject => false, :tracker => false)).html_safe,

        :class => value.css_classes_for(issue))

    else

      h(value)

    end

  end

  def csv_content(column, issue)

    value = column.value(issue)

    if value.is_a?(Array)

      value.collect {|v| csv_value(column, issue, v)}.compact.join(', ')

    else

      csv_value(column, issue, value)

    end

  end

  def csv_value(column, issue, value)

    case value.class.name

    when 'Time'

      format_time(value)

    when 'Date'

      format_date(value)

    when 'Float'

      sprintf("%.2f", value).gsub('.', l(:general_csv_decimal_separator))

    when 'IssueRelation'

      other = value.other_issue(issue)

      l(value.label_for(issue)) + " ##{other.id}"

    else

      value.to_s

    end

  end

  def query_to_csv(items, query, options={})

    encoding = l(:general_csv_encoding)

    columns = (options[:columns] == 'all' ? query.available_inline_columns : query.inline_columns)

    query.available_block_columns.each do |column|

      if options[column.name].present?

        columns << column

      end

    end

    export = FCSV.generate(:col_sep => l(:general_csv_separator)) do |csv|

      # csv header fields

      csv << columns.collect {|c| Redmine::CodesetUtil.from_utf8(c.caption.to_s, encoding) }

      # csv lines

      items.each do |item|

        csv << columns.collect {|c| Redmine::CodesetUtil.from_utf8(csv_content(c, item), encoding) }

      end

    end

    export

  end

  # Retrieve query from session or build a new query

  def retrieve_query

    if !params[:query_id].blank?

      cond = "project_id IS NULL"

      cond << " OR project_id = #{@project.id}" if @project

      @query = IssueQuery.find(params[:query_id], :conditions => cond)

      raise ::Unauthorized unless @query.visible?

      @query.project = @project

      session[:query] = {:id => @query.id, :project_id => @query.project_id}

      sort_clear

    elsif api_request? || params[:set_filter] || session[:query].nil? || session[:query][:project_id] != (@project ? @project.id : nil)

      # Give it a name, required to be valid

      @query = IssueQuery.new(:name => "_")

      @query.project = @project

      @query.build_from_params(params)

      session[:query] = {:project_id => @query.project_id, :filters => @query.filters, :group_by => @query.group_by, :column_names => @query.column_names}

    else

      # retrieve from session

      @query = IssueQuery.find_by_id(session[:query][:id]) if session[:query][:id]

      @query ||= IssueQuery.new(:name => "_", :filters => session[:query][:filters], :group_by => session[:query][:group_by], :column_names => session[:query][:column_names])

      @query.project = @project

    end

  end

  def retrieve_query_from_session

    if session[:query]

      if session[:query][:id]

        @query = IssueQuery.find_by_id(session[:query][:id])

        return unless @query

      else

        @query = IssueQuery.new(:name => "_", :filters => session[:query][:filters], :group_by => session[:query][:group_by], :column_names => session[:query][:column_names])

      end

      if session[:query].has_key?(:project_id)

        @query.project_id = session[:query][:project_id]

      else

        @query.project = @project

      end

      @query

    end

  end

end