Updated the SQL template to include some cost of ownership information, at least the first draft of the concept.

scripts/table_template.sql

@@ -1,13 +1,22 @@
 -- Version 0.5.5.1 Removed character length restrictions as the docs for POSTGRESQL recommend not specifying a limit.
 -- Version 0.6.0.0 Changed the numeric values to integers as Golang doesn't have a native decimal type.
+-- Version 0.6.2.0 Added the first draft for cost of ownership. Added quantity to the item table.
+-- Version 0.6.5.0 Added a documents table along with the tables to reference them as either an expense or as a document for an item.
 
 DROP TABLE IF EXISTS property_value;
 DROP TABLE IF EXISTS property;
 DROP TABLE IF EXISTS property_data_type;
 DROP TABLE IF EXISTS item_component;
+DROP TABLE IF EXISTS coo_document;
+DROP TABLE IF EXISTS item_document;
+DROP TABLE IF EXISTS document_file;
+DROP TABLE IF EXISTS coo_line_item;
+DROP TABLE IF EXISTS cost_of_ownership;
+DROP TABLE IF EXISTS expense_type;
 DROP TABLE IF EXISTS item;
 DROP TABLE IF EXISTS subcategory;
 DROP TABLE IF EXISTS category;
+DROP TABLE IF EXISTS document_type;
 
 CREATE TABLE property_data_type (
 	property_data_type_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
@@ -40,6 +49,7 @@ CREATE TABLE item (
 	notes CHARACTER VARYING,
 	sold_for_cents INT DEFAULT 0,
 	sold_to CHARACTER VARYING, -- Could be a pointer TO a TABLE OF comtacts.
+	quantity INT DEFAULT 1,
 	category_id INT NOT NULL REFERENCES category(category_id),
 	subcategory_id INT REFERENCES subcategory(subcategory_id)
 );
@@ -47,7 +57,7 @@ CREATE TABLE item (
 -- Example: property_name of "Author" which maps to property_data_type of "Text".
 CREATE TABLE property (
 	property_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
-	property_name CHARACTER varying NOT NULL,
+	property_name CHARACTER VARYING NOT NULL,
 	property_type_id INT NOT NULL REFERENCES property_data_type(property_data_type_id),
 	category_id INT NOT NULL REFERENCES category(category_id),
 	subcategory_id INT REFERENCES subcategory(subcategory_id)
@@ -67,6 +77,75 @@ CREATE TABLE property_value (
 	value CHARACTER VARYING NOT NULL
 );
 
+CREATE TABLE cost_of_ownership (
+	coo_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+	coo_description CHARACTER VARYING,
+	coo_display_text CHARACTER VARYING NOT NULL, -- I.E. "Transmission Rebuild" etc.
+	coo_service_rendered_date TIMESTAMP WITH TIME ZONE
+	--service BIT Like was this a service or did you buy a replacement and do it yourself?
+	
+	--coo type eg 'Regular Maintence' etc
+);
+
+-- An item or items associated with the cost of ownership, i.e. a replacement motor.
+--CREATE TABLE coo_item (
+--	coo_item_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+--	item_id INT NOT NULL REFERENCES item(item_id),
+--	coo_id INT NOT NULL REFERENCES cost_of_ownership(coo_id),
+--	
+--)
+
+CREATE TABLE expense_type (
+	expense_type_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+	expense_type_name CHARACTER VARYING UNIQUE NOT NULL --LIKE "Sales Tax" OR "Labour"
+);
+
+INSERT INTO expense_type (expense_type_name) VALUES ('Sales Tax');
+INSERT INTO expense_type (expense_type_name) VALUES ('Labour');
+INSERT INTO expense_type (expense_type_name) VALUES ('Grand Total');
+
+-- An itemized expense, like cost of labour, or cost of parts for whoever is doing the repairs / replacement, taxes etc..
+CREATE TABLE coo_line_item (
+	coo_line_item_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+	cost_cents INT DEFAULT 0,
+	expense_type_id INT NOT NULL REFERENCES expense_type(expense_type_id),
+	coo_id INT NOT NULL REFERENCES cost_of_ownership(coo_id),
+	item_id INT REFERENCES item(item_id)
+);
+
+CREATE TABLE document_type (
+	document_type_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+	document_type_name CHARACTER VARYING UNIQUE NOT NULL
+);
+
+INSERT INTO document_type (document_type_name) VALUES ('Certificate of Authenticity');
+INSERT INTO document_type (document_type_name) VALUES ('Sales Contract');
+INSERT INTO document_type (document_type_name) VALUES ('Invoice');
+INSERT INTO document_type (document_type_name) VALUES ('Title');
+INSERT INTO document_type (document_type_name) VALUES ('Deed');
+INSERT INTO document_type (document_type_name) VALUES ('Receipt');
+
+CREATE TABLE document_file (
+	document_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+	original_filename CHARACTER VARYING NOT NULL,
+	display_name CHARACTER VARYING NOT NULL,
+	mime_type CHARACTER VARYING NOT NULL,
+	file_extension CHARACTER VARYING NOT NULL,
+	document_type_id INT NOT NULL REFERENCES document_type(document_type_id)
+);
+
+CREATE TABLE item_document (
+	item_document_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+	item_id INT NOT NULL REFERENCES item(item_id),
+	document_file_id INT NOT NULL REFERENCES document_file(document_id)
+);
+
+CREATE TABLE coo_document (
+	coo_document_id INT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+	coo_id INT NOT NULL REFERENCES cost_of_ownership(coo_id),
+	document_file_id INT NOT NULL REFERENCES document_file(document_id)
+);
+
 INSERT INTO category (category_name) VALUES ('Books');
 INSERT INTO category (category_name) VALUES ('Electronics');
 INSERT INTO category (category_name) VALUES ('Appliances');