Improve "account_activities" DB table structure

#475

db/migrate/20170506155009_rename_account_activity_log_pricelist_id_to_price_id.rb

@@ -0,0 +1,6 @@
+class RenameAccountActivityLogPricelistIdToPriceId < ActiveRecord::Migration
+  def change
+    rename_column :account_activities, :log_pricelist_id, :price_id
+    add_foreign_key :account_activities, :prices
+  end
+end

db/migrate/20170506162952_add_account_activity_account_id_foreign_key.rb

@@ -0,0 +1,6 @@
+class AddAccountActivityAccountIdForeignKey < ActiveRecord::Migration
+  def change
+    change_column :account_activities, :account_id, :integer, null: false
+    add_foreign_key :account_activities, :accounts
+  end
+end

db/migrate/20170506205356_add_account_activity_invoice_id_fk.rb

@@ -0,0 +1,5 @@
+class AddAccountActivityInvoiceIdFk < ActiveRecord::Migration
+  def change
+    add_foreign_key :account_activities, :invoices
+  end
+end

db/migrate/20170506205946_add_account_activity_bank_transaction_id_fk.rb

@@ -0,0 +1,5 @@
+class AddAccountActivityBankTransactionIdFk < ActiveRecord::Migration
+  def change
+    add_foreign_key :account_activities, :bank_transactions
+  end
+end

db/structure.sql

@@ -287,7 +287,7 @@ SET default_with_oids = false;
 
 CREATE TABLE account_activities (
     id integer NOT NULL,
-    account_id integer,
+    account_id integer NOT NULL,
     invoice_id integer,
     sum numeric(10,2),
     currency character varying,
@@ -298,7 +298,7 @@ CREATE TABLE account_activities (
     creator_str character varying,
     updator_str character varying,
     activity_type character varying,
-    log_pricelist_id integer
+    price_id integer
 );
 
 
@@ -4776,6 +4776,38 @@ ALTER TABLE ONLY prices
     ADD CONSTRAINT fk_rails_78c376257f FOREIGN KEY (zone_id) REFERENCES zones(id);
 
 
+--
+-- Name: fk_rails_86cd2b09f5; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY account_activities
+    ADD CONSTRAINT fk_rails_86cd2b09f5 FOREIGN KEY (account_id) REFERENCES accounts(id);
+
+
+--
+-- Name: fk_rails_b80dbb973d; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY account_activities
+    ADD CONSTRAINT fk_rails_b80dbb973d FOREIGN KEY (bank_transaction_id) REFERENCES bank_transactions(id);
+
+
+--
+-- Name: fk_rails_ce38d749f6; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY account_activities
+    ADD CONSTRAINT fk_rails_ce38d749f6 FOREIGN KEY (invoice_id) REFERENCES invoices(id);
+
+
+--
+-- Name: fk_rails_d2cc3c2fa9; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY account_activities
+    ADD CONSTRAINT fk_rails_d2cc3c2fa9 FOREIGN KEY (price_id) REFERENCES prices(id);
+
+
 --
 -- PostgreSQL database dump complete
 --
@@ -5258,3 +5290,11 @@ INSERT INTO schema_migrations (version) VALUES ('20170424115801');
 
 INSERT INTO schema_migrations (version) VALUES ('20170506144743');
 
+INSERT INTO schema_migrations (version) VALUES ('20170506155009');
+
+INSERT INTO schema_migrations (version) VALUES ('20170506162952');
+
+INSERT INTO schema_migrations (version) VALUES ('20170506205356');
+
+INSERT INTO schema_migrations (version) VALUES ('20170506205946');
+