diff options
| -rw-r--r-- | app/models/page.rb | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/app/models/page.rb b/app/models/page.rb index d5d888f..fee20a8 100644 --- a/app/models/page.rb +++ b/app/models/page.rb | |||
| @@ -5,6 +5,24 @@ class Page < ActiveRecord::Base | |||
| 5 | 5 | ||
| 6 | acts_as_list :column => :revision, :scope => :node_id | 6 | acts_as_list :column => :revision, :scope => :node_id |
| 7 | 7 | ||
| 8 | # Alternativ Queries with one or two inner joins. Loading the Flags themselves | ||
| 9 | # would be another query. Could be faster on larger data sets. | ||
| 10 | # | ||
| 11 | # Single Join: | ||
| 12 | # | ||
| 13 | # Page.find( | ||
| 14 | # :all, | ||
| 15 | # :joins => 'JOIN flags_pages on pages.id = flags_pages.page_id', | ||
| 16 | # :include => :flags, | ||
| 17 | # :conditions => ['flags_pages.flag_id IN (?)', [1,2]] | ||
| 18 | # ) | ||
| 19 | # Two inner joins: | ||
| 20 | # | ||
| 21 | # Page.find( | ||
| 22 | # :all, | ||
| 23 | # :joins => :flags_pages, | ||
| 24 | # :conditions => ['flags_pages.flag_id IN (?)', [1,2]] | ||
| 25 | # ) | ||
| 8 | named_scope :with_flags, lambda {|flag_names| | 26 | named_scope :with_flags, lambda {|flag_names| |
| 9 | if (flags = Flag.find_all_by_name(flag_names)).empty? | 27 | if (flags = Flag.find_all_by_name(flag_names)).empty? |
| 10 | {} | 28 | {} |
| @@ -12,12 +30,9 @@ class Page < ActiveRecord::Base | |||
| 12 | {:include => :flags, :conditions => ['flags_pages.flag_id IN (?)', flags.map(&:id)] } | 30 | {:include => :flags, :conditions => ['flags_pages.flag_id IN (?)', flags.map(&:id)] } |
| 13 | end | 31 | end |
| 14 | } | 32 | } |
| 15 | 33 | ||
| 16 | |||
| 17 | |||
| 18 | # <aggregate | 34 | # <aggregate |
| 19 | # flags="updates pressemitteilungen" | 35 | # flags="updates pressemitteilungen" |
| 20 | # path="updates/2009" | ||
| 21 | # limit="20" | 36 | # limit="20" |
| 22 | # order_by="published_at" | 37 | # order_by="published_at" |
| 23 | # order_direction="DESC" | 38 | # order_direction="DESC" |
| @@ -26,7 +41,6 @@ class Page < ActiveRecord::Base | |||
| 26 | 41 | ||
| 27 | defaults = { | 42 | defaults = { |
| 28 | :flags => "", | 43 | :flags => "", |
| 29 | :path => "", | ||
| 30 | :limit => 20, | 44 | :limit => 20, |
| 31 | :order_by => "id", | 45 | :order_by => "id", |
| 32 | :order_direction => "ASC" | 46 | :order_direction => "ASC" |
| @@ -34,7 +48,7 @@ class Page < ActiveRecord::Base | |||
| 34 | 48 | ||
| 35 | options = defaults.merge options | 49 | options = defaults.merge options |
| 36 | 50 | ||
| 37 | pages = Page.all( | 51 | pages = Page.with_flags(options[:flags].split(/\s/)).all( |
| 38 | :limit => options[:limit], | 52 | :limit => options[:limit], |
| 39 | :order => "#{options[:order_by]} #{options[:order_direction]}" | 53 | :order => "#{options[:order_by]} #{options[:order_direction]}" |
| 40 | ) | 54 | ) |
