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add migration for signature tables

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This commit is contained in:
Benjamin Neff 2016-07-21 00:51:02 +02:00
parent 081d0167b7
commit b82d1c2ca9
2 changed files with 141 additions and 15 deletions
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87
db/migrate/20160720212620_create_signature_tables.rb Normal file
View file

@ -0,0 +1,87 @@
class CreateSignatureTables < ActiveRecord::Migration
class SignatureOrder < ActiveRecord::Base
end
RELAYABLES = %i(comment like poll_participation).freeze
def self.up
create_table :signature_orders do |t|
t.string :order, null: false
end
add_index :signature_orders, :order, length: 191, unique: true
RELAYABLES.each {|relayable_type| create_signature_table(relayable_type) }
migrate_signatures
RELAYABLES.each {|relayable_type| remove_column "#{relayable_type}s", :author_signature }
end
def self.down
RELAYABLES.each {|relayable_type| add_column "#{relayable_type}s", :author_signature, :text }
RELAYABLES.each {|relayable_type| restore_signatures(relayable_type) }
drop_table :comment_signatures
drop_table :like_signatures
drop_table :poll_participation_signatures
drop_table :signature_orders
end
private
def create_signature_table(relayable_type)
create_table "#{relayable_type}_signatures", id: false do |t|
t.integer "#{relayable_type}_id", null: false
t.text :author_signature, null: false
t.integer :signature_order_id, null: false
t.text :additional_data
end
add_index "#{relayable_type}_signatures", "#{relayable_type}_id", unique: true
add_foreign_key "#{relayable_type}_signatures", :signature_orders,
name: "#{relayable_type}_signatures_signature_orders_id_fk"
add_foreign_key "#{relayable_type}_signatures", "#{relayable_type}s",
name: "#{relayable_type}_signatures_#{relayable_type}_id_fk", on_delete: :cascade
end
def migrate_signatures
comment_order_id = SignatureOrder.create!(order: "guid parent_guid text author").id
comment_parent_join = "INNER JOIN posts AS parent ON relayable.commentable_id = parent.id"
migrate_signatures_for(:comment, comment_order_id, comment_parent_join)
like_order_id = SignatureOrder.create!(order: "positive guid parent_type parent_guid author").id
post_like_join = "INNER JOIN posts AS parent ON relayable.target_id = parent.id AND relayable.target_type = 'Post'"
comment_like_join = "INNER JOIN comments ON relayable.target_id = comments.id " \
"AND relayable.target_type = 'Comment' " \
"INNER JOIN posts AS parent ON comments.commentable_id = parent.id"
migrate_signatures_for(:like, like_order_id, post_like_join)
migrate_signatures_for(:like, like_order_id, comment_like_join)
poll_participation_order_id = SignatureOrder.create!(order: "guid parent_guid author poll_answer_guid").id
poll_participation_parent_join = "INNER JOIN polls ON relayable.poll_id = polls.id " \
"INNER JOIN posts AS parent ON polls.status_message_id = parent.id"
migrate_signatures_for(:poll_participation, poll_participation_order_id, poll_participation_parent_join)
end
def migrate_signatures_for(relayable_type, order_id, parent_join)
execute "INSERT INTO #{relayable_type}_signatures (#{relayable_type}_id, signature_order_id, author_signature) " \
"SELECT relayable.id, #{order_id}, relayable.author_signature FROM #{relayable_type}s AS relayable " \
"INNER JOIN people AS author ON relayable.author_id = author.id " \
"#{parent_join} INNER JOIN people AS parent_author ON parent.author_id = parent_author.id " \
"WHERE author.owner_id IS NULL AND parent_author.owner_id IS NOT NULL"
end
def restore_signatures(relayable_type)
if AppConfig.postgres?
execute "UPDATE #{relayable_type}s SET author_signature = #{relayable_type}_signatures.author_signature " \
"FROM #{relayable_type}_signatures " \
"WHERE #{relayable_type}s.id = #{relayable_type}_signatures.#{relayable_type}_id "
else
execute "UPDATE #{relayable_type}s INNER JOIN #{relayable_type}_signatures " \
"ON #{relayable_type}s.id = #{relayable_type}_signatures.#{relayable_type}_id " \
"SET #{relayable_type}s.author_signature = #{relayable_type}_signatures.author_signature"
end
end
end

69
db/schema.rb
View file

@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20160618033455) do
ActiveRecord::Schema.define(version: 20160720212620) do
create_table "account_deletions", force: :cascade do |t|
t.string "diaspora_handle", limit: 255
@ -100,12 +100,21 @@ ActiveRecord::Schema.define(version: 20160618033455) do
t.datetime "created_at", null: false
end
create_table "comment_signatures", id: false, force: :cascade do |t|
t.integer "comment_id", limit: 4, null: false
t.text "author_signature", limit: 65535, null: false
t.integer "signature_order_id", limit: 4, null: false
t.text "additional_data", limit: 65535
end
add_index "comment_signatures", ["comment_id"], name: "index_comment_signatures_on_comment_id", unique: true, using: :btree
add_index "comment_signatures", ["signature_order_id"], name: "comment_signatures_signature_orders_id_fk", using: :btree
create_table "comments", force: :cascade do |t|
t.text "text", limit: 65535, null: false
t.integer "commentable_id", limit: 4, null: false
t.integer "author_id", limit: 4, null: false
t.string "guid", limit: 255, null: false
t.text "author_signature", limit: 65535
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "likes_count", limit: 4, default: 0, null: false
@ -186,15 +195,24 @@ ActiveRecord::Schema.define(version: 20160618033455) do
add_index "invitations", ["recipient_id"], name: "index_invitations_on_recipient_id", using: :btree
add_index "invitations", ["sender_id"], name: "index_invitations_on_sender_id", using: :btree
create_table "like_signatures", id: false, force: :cascade do |t|
t.integer "like_id", limit: 4, null: false
t.text "author_signature", limit: 65535, null: false
t.integer "signature_order_id", limit: 4, null: false
t.text "additional_data", limit: 65535
end
add_index "like_signatures", ["like_id"], name: "index_like_signatures_on_like_id", unique: true, using: :btree
add_index "like_signatures", ["signature_order_id"], name: "like_signatures_signature_orders_id_fk", using: :btree
create_table "likes", force: :cascade do |t|
t.boolean "positive", default: true
t.integer "target_id", limit: 4
t.integer "author_id", limit: 4
t.string "guid", limit: 255
t.text "author_signature", limit: 65535
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "target_type", limit: 60, null: false
t.boolean "positive", default: true
t.integer "target_id", limit: 4
t.integer "author_id", limit: 4
t.string "guid", limit: 255
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "target_type", limit: 60, null: false
end
add_index "likes", ["author_id"], name: "likes_author_id_fk", using: :btree
@ -394,12 +412,21 @@ ActiveRecord::Schema.define(version: 20160618033455) do
add_index "poll_answers", ["guid"], name: "index_poll_answers_on_guid", unique: true, length: {"guid"=>191}, using: :btree
add_index "poll_answers", ["poll_id"], name: "index_poll_answers_on_poll_id", using: :btree
create_table "poll_participation_signatures", id: false, force: :cascade do |t|
t.integer "poll_participation_id", limit: 4, null: false
t.text "author_signature", limit: 65535, null: false
t.integer "signature_order_id", limit: 4, null: false
t.text "additional_data", limit: 65535
end
add_index "poll_participation_signatures", ["poll_participation_id"], name: "index_poll_participation_signatures_on_poll_participation_id", unique: true, using: :btree
add_index "poll_participation_signatures", ["signature_order_id"], name: "poll_participation_signatures_signature_orders_id_fk", using: :btree
create_table "poll_participations", force: :cascade do |t|
t.integer "poll_answer_id", limit: 4, null: false
t.integer "author_id", limit: 4, null: false
t.integer "poll_id", limit: 4, null: false
t.string "guid", limit: 255
t.text "author_signature", limit: 65535
t.integer "poll_answer_id", limit: 4, null: false
t.integer "author_id", limit: 4, null: false
t.integer "poll_id", limit: 4, null: false
t.string "guid", limit: 255
t.datetime "created_at"
t.datetime "updated_at"
end
@ -557,6 +584,12 @@ ActiveRecord::Schema.define(version: 20160618033455) do
add_index "share_visibilities", ["shareable_id"], name: "index_post_visibilities_on_post_id", using: :btree
add_index "share_visibilities", ["user_id"], name: "index_share_visibilities_on_user_id", using: :btree
create_table "signature_orders", force: :cascade do |t|
t.string "order", limit: 255, null: false
end
add_index "signature_orders", ["order"], name: "index_signature_orders_on_order", unique: true, length: {"order"=>191}, using: :btree
create_table "simple_captcha_data", force: :cascade do |t|
t.string "key", limit: 40
t.string "value", limit: 12
@ -662,6 +695,8 @@ ActiveRecord::Schema.define(version: 20160618033455) do
add_foreign_key "aspect_visibilities", "aspects", name: "aspect_visibilities_aspect_id_fk", on_delete: :cascade
add_foreign_key "authorizations", "o_auth_applications"
add_foreign_key "authorizations", "users"
add_foreign_key "comment_signatures", "comments", name: "comment_signatures_comment_id_fk", on_delete: :cascade
add_foreign_key "comment_signatures", "signature_orders", name: "comment_signatures_signature_orders_id_fk"
add_foreign_key "comments", "people", column: "author_id", name: "comments_author_id_fk", on_delete: :cascade
add_foreign_key "contacts", "people", name: "contacts_person_id_fk", on_delete: :cascade
add_foreign_key "conversation_visibilities", "conversations", name: "conversation_visibilities_conversation_id_fk", on_delete: :cascade
@ -670,6 +705,8 @@ ActiveRecord::Schema.define(version: 20160618033455) do
add_foreign_key "id_tokens", "authorizations"
add_foreign_key "invitations", "users", column: "recipient_id", name: "invitations_recipient_id_fk", on_delete: :cascade
add_foreign_key "invitations", "users", column: "sender_id", name: "invitations_sender_id_fk", on_delete: :cascade
add_foreign_key "like_signatures", "likes", name: "like_signatures_like_id_fk", on_delete: :cascade
add_foreign_key "like_signatures", "signature_orders", name: "like_signatures_signature_orders_id_fk"
add_foreign_key "likes", "people", column: "author_id", name: "likes_author_id_fk", on_delete: :cascade
add_foreign_key "messages", "conversations", name: "messages_conversation_id_fk", on_delete: :cascade
add_foreign_key "messages", "people", column: "author_id", name: "messages_author_id_fk", on_delete: :cascade
@ -677,6 +714,8 @@ ActiveRecord::Schema.define(version: 20160618033455) do
add_foreign_key "o_auth_access_tokens", "authorizations"
add_foreign_key "o_auth_applications", "users"
add_foreign_key "people", "pods", name: "people_pod_id_fk", on_delete: :cascade
add_foreign_key "poll_participation_signatures", "poll_participations", name: "poll_participation_signatures_poll_participation_id_fk", on_delete: :cascade
add_foreign_key "poll_participation_signatures", "signature_orders", name: "poll_participation_signatures_signature_orders_id_fk"
add_foreign_key "posts", "people", column: "author_id", name: "posts_author_id_fk", on_delete: :cascade
add_foreign_key "ppid", "o_auth_applications"
add_foreign_key "ppid", "users"