Added tags

Blogs and streams can now be tagged. Records now show the appropriate tags for an entry. Updates work oddly, because their records show the stream's tags, since updates do not have tags themselves.

refs #2

6 files changed, 135 insertions, 0 deletions

@@ -0,0 +1,36 @@
+# This migration comes from acts_as_taggable_on_engine (originally 1)
+if ActiveRecord.gem_version >= Gem::Version.new('5.0')
+  class ActsAsTaggableOnMigration < ActiveRecord::Migration[4.2]; end
+else
+  class ActsAsTaggableOnMigration < ActiveRecord::Migration; end
+end
+ActsAsTaggableOnMigration.class_eval do
+  def self.up
+    create_table :tags do |t|
+      t.string :name
+    end
+
+    create_table :taggings do |t|
+      t.references :tag
+
+      # You should make sure that the column created is
+      # long enough to store the required class names.
+      t.references :taggable, polymorphic: true
+      t.references :tagger, polymorphic: true
+
+      # Limit is created to prevent MySQL error on index
+      # length for MyISAM table type: http://bit.ly/vgW2Ql
+      t.string :context, limit: 128
+
+      t.datetime :created_at
+    end
+
+    add_index :taggings, :tag_id
+    add_index :taggings, [:taggable_id, :taggable_type, :context]
+  end
+
+  def self.down
+    drop_table :taggings
+    drop_table :tags
+  end
+end
@@ -0,0 +1,26 @@
+# This migration comes from acts_as_taggable_on_engine (originally 2)
+if ActiveRecord.gem_version >= Gem::Version.new('5.0')
+  class AddMissingUniqueIndices < ActiveRecord::Migration[4.2]; end
+else
+  class AddMissingUniqueIndices < ActiveRecord::Migration; end
+end
+AddMissingUniqueIndices.class_eval do
+  def self.up
+    add_index :tags, :name, unique: true
+
+    remove_index :taggings, :tag_id if index_exists?(:taggings, :tag_id)
+    remove_index :taggings, [:taggable_id, :taggable_type, :context]
+    add_index :taggings,
+              [:tag_id, :taggable_id, :taggable_type, :context, :tagger_id, :tagger_type],
+              unique: true, name: 'taggings_idx'
+  end
+
+  def self.down
+    remove_index :tags, :name
+
+    remove_index :taggings, name: 'taggings_idx'
+
+    add_index :taggings, :tag_id unless index_exists?(:taggings, :tag_id)
+    add_index :taggings, [:taggable_id, :taggable_type, :context]
+  end
+end
@@ -0,0 +1,20 @@
+# This migration comes from acts_as_taggable_on_engine (originally 3)
+if ActiveRecord.gem_version >= Gem::Version.new('5.0')
+  class AddTaggingsCounterCacheToTags < ActiveRecord::Migration[4.2]; end
+else
+  class AddTaggingsCounterCacheToTags < ActiveRecord::Migration; end
+end
+AddTaggingsCounterCacheToTags.class_eval do
+  def self.up
+    add_column :tags, :taggings_count, :integer, default: 0
+
+    ActsAsTaggableOn::Tag.reset_column_information
+    ActsAsTaggableOn::Tag.find_each do |tag|
+      ActsAsTaggableOn::Tag.reset_counters(tag.id, :taggings)
+    end
+  end
+
+  def self.down
+    remove_column :tags, :taggings_count
+  end
+end
@@ -0,0 +1,15 @@
+# This migration comes from acts_as_taggable_on_engine (originally 4)
+if ActiveRecord.gem_version >= Gem::Version.new('5.0')
+  class AddMissingTaggableIndex < ActiveRecord::Migration[4.2]; end
+else
+  class AddMissingTaggableIndex < ActiveRecord::Migration; end
+end
+AddMissingTaggableIndex.class_eval do
+  def self.up
+    add_index :taggings, [:taggable_id, :taggable_type, :context]
+  end
+
+  def self.down
+    remove_index :taggings, [:taggable_id, :taggable_type, :context]
+  end
+end
@@ -0,0 +1,15 @@
+# This migration comes from acts_as_taggable_on_engine (originally 5)
+# This migration is added to circumvent issue #623 and have special characters
+# work properly
+if ActiveRecord.gem_version >= Gem::Version.new('5.0')
+  class ChangeCollationForTagNames < ActiveRecord::Migration[4.2]; end
+else
+  class ChangeCollationForTagNames < ActiveRecord::Migration; end
+end
+ChangeCollationForTagNames.class_eval do
+  def up
+    if ActsAsTaggableOn::Utils.using_mysql?
+      execute("ALTER TABLE tags MODIFY name varchar(255) CHARACTER SET utf8 COLLATE utf8_bin;")
+    end
+  end
+end
@@ -0,0 +1,23 @@
+# This migration comes from acts_as_taggable_on_engine (originally 6)
+if ActiveRecord.gem_version >= Gem::Version.new('5.0')
+  class AddMissingIndexesOnTaggings < ActiveRecord::Migration[4.2]; end
+else
+  class AddMissingIndexesOnTaggings < ActiveRecord::Migration; end
+end
+AddMissingIndexesOnTaggings.class_eval do
+  def change
+    add_index :taggings, :tag_id unless index_exists? :taggings, :tag_id
+    add_index :taggings, :taggable_id unless index_exists? :taggings, :taggable_id
+    add_index :taggings, :taggable_type unless index_exists? :taggings, :taggable_type
+    add_index :taggings, :tagger_id unless index_exists? :taggings, :tagger_id
+    add_index :taggings, :context unless index_exists? :taggings, :context
+
+    unless index_exists? :taggings, [:tagger_id, :tagger_type]
+      add_index :taggings, [:tagger_id, :tagger_type]
+    end
+
+    unless index_exists? :taggings, [:taggable_id, :taggable_type, :tagger_id, :context], name: 'taggings_idy'
+      add_index :taggings, [:taggable_id, :taggable_type, :tagger_id, :context], name: 'taggings_idy'
+    end
+  end
+end