165 lines
7.0 KiB
Ruby
165 lines
7.0 KiB
Ruby
#
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# Copyright (C) 2014 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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class RemoveCanvinterestTables < ActiveRecord::Migration[4.2]
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tag :postdeploy
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def self.up
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drop_trigger("collection_items_after_insert_row_tr", "collection_items", :generated => true)
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drop_trigger("collection_items_after_insert_row_when_new_workflow_state_ac_tr", "collection_items", :generated => true)
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drop_trigger("collection_items_after_update_row_tr", "collection_items", :generated => true)
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drop_trigger("collection_items_after_update_row_when_new_workflow_state_ol_tr", "collection_items", :generated => true)
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drop_trigger("collection_items_after_delete_row_tr", "collection_items", :generated => true)
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drop_trigger("collection_items_after_delete_row_when_old_workflow_state_ac_tr", "collection_items", :generated => true)
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drop_trigger("user_follows_after_insert_row_tr", "user_follows", :generated => true)
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drop_trigger("user_follows_after_insert_row_when_new_followed_item_type_co_tr", "user_follows", :generated => true)
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drop_trigger("user_follows_after_delete_row_tr", "user_follows", :generated => true)
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drop_trigger("user_follows_after_delete_row_when_old_followed_item_type_co_tr", "user_follows", :generated => true)
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drop_table :user_follows
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drop_table :collection_item_upvotes
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drop_table :collection_item_datas
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drop_table :collection_items
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drop_table :collections
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end
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def self.down
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create_table "user_follows", :force => true do |t|
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t.integer "following_user_id", :limit => 8, :null => false
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t.string "followed_item_type"
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t.integer "followed_item_id", :limit => 8, :null => false
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t.datetime "created_at"
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t.datetime "updated_at"
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end
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add_index "user_follows", ["followed_item_id", "followed_item_type"], :name => "index_user_follows_inverse"
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add_index "user_follows", ["following_user_id", "followed_item_type", "followed_item_id"], :name => "index_user_follows_unique", :unique => true
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create_table "collection_item_upvotes", :force => true do |t|
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t.integer "collection_item_data_id", :limit => 8, :null => false
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t.integer "user_id", :limit => 8, :null => false
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t.datetime "created_at"
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t.datetime "updated_at"
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end
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add_index "collection_item_upvotes", ["collection_item_data_id", "user_id"], :name => "index_collection_item_upvotes_join", :unique => true
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create_table "collection_item_datas", :force => true do |t|
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t.string "item_type"
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t.text "link_url", :null => false
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t.integer "root_item_id", :limit => 8
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t.integer "post_count", :default => 0
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t.integer "upvote_count", :default => 0
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t.datetime "created_at"
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t.datetime "updated_at"
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t.boolean "image_pending"
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t.integer "image_attachment_id", :limit => 8
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t.text "image_url"
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t.text "html_preview"
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t.string "title"
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t.text "description"
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end
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create_table "collection_items", :force => true do |t|
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t.integer "collection_item_data_id", :limit => 8, :null => false
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t.integer "collection_id", :limit => 8, :null => false
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t.string "workflow_state", :null => false
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t.text "user_comment"
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t.datetime "created_at"
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t.datetime "updated_at"
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t.integer "user_id", :limit => 8, :null => false
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end
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add_index "collection_items", ["collection_id", "workflow_state"], :name => "index_collection_items_on_collection_id_and_workflow_state"
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add_index "collection_items", ["collection_item_data_id", "workflow_state"], :name => "index_collection_items_on_data_id"
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create_table "collections", :force => true do |t|
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t.string "name"
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t.string "visibility", :default => "private"
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t.string "context_type", :null => false
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t.integer "context_id", :limit => 8, :null => false
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t.string "workflow_state", :null => false
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t.datetime "created_at"
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t.datetime "updated_at"
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t.integer "followers_count", :default => 0
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t.integer "items_count", :default => 0
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end
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add_index "collections", ["context_id", "context_type", "workflow_state", "visibility"], :name => "index_collections_for_finding"
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create_trigger("user_follows_after_insert_row_tr", :generated => true, :compatibility => 1).
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on("user_follows").
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after(:insert) do |t|
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t.where("NEW.followed_item_type = 'Collection'") do
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<<-SQL_ACTIONS
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UPDATE collections
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SET followers_count = followers_count + 1
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WHERE id = NEW.followed_item_id;
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SQL_ACTIONS
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end
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end
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create_trigger("user_follows_after_delete_row_tr", :generated => true, :compatibility => 1).
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on("user_follows").
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after(:delete) do |t|
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t.where("OLD.followed_item_type = 'Collection'") do
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<<-SQL_ACTIONS
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UPDATE collections
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SET followers_count = followers_count - 1
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WHERE id = OLD.followed_item_id;
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SQL_ACTIONS
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end
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end
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create_trigger("collection_items_after_insert_row_tr", :generated => true, :compatibility => 1).
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on("collection_items").
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after(:insert) do |t|
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t.where("NEW.workflow_state = 'active'") do
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<<-SQL_ACTIONS
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UPDATE collections
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SET items_count = items_count + 1
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WHERE id = NEW.collection_id;
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SQL_ACTIONS
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end
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end
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create_trigger("collection_items_after_update_row_tr", :generated => true, :compatibility => 1).
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on("collection_items").
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after(:update) do |t|
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t.where("NEW.workflow_state <> OLD.workflow_state") do
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<<-SQL_ACTIONS
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UPDATE collections
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SET items_count = items_count + CASE WHEN (NEW.workflow_state = 'active') THEN 1 ELSE -1 END
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WHERE id = NEW.collection_id;
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SQL_ACTIONS
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end
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end
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create_trigger("collection_items_after_delete_row_tr", :generated => true, :compatibility => 1).
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on("collection_items").
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after(:delete) do |t|
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t.where("OLD.workflow_state = 'active'") do
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<<-SQL_ACTIONS
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UPDATE collections
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SET items_count = items_count - 1
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WHERE id = OLD.collection_id;
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SQL_ACTIONS
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end
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end
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end
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end
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