-- LegacyWorlds Beta 6
-- PostgreSQL database scripts
--
-- Tables that support the bug tracking system
--
-- Copyright(C) 2004-2010, DeepClone Development
-- --------------------------------------------------------


--
-- Bug event types
--

CREATE TYPE bug_event_type
	AS ENUM( 'INIT' , 'MERGE' , 'STATUS' , 'COMMENT' , 'VISIBILITY' );



--
-- Bug statuses
--

CREATE TYPE bug_status_type
	AS ENUM( 'OPEN' , 'NOT_A_BUG' , 'WONT_FIX' , 'RESOLVED' );



--
-- Bug submitters
--

CREATE TABLE bugs.submitters (
	submitter_id	BIGSERIAL PRIMARY KEY ,
	is_admin		BOOLEAN NOT NULL ,
	name			VARCHAR( 64 ) NOT NULL
);

CREATE INDEX idx_submitters_isadmin
	ON bugs.submitters ( is_admin );



--
-- Bug submitters - administrators
--

CREATE TABLE bugs.admin_submitters(
	submitter_id	BIGINT PRIMARY KEY ,
	admin_id		INT NOT NULL UNIQUE
);

ALTER TABLE bugs.admin_submitters
	ADD CONSTRAINT fk_adminsubs_submitter
		FOREIGN KEY ( submitter_id ) REFERENCES bugs.submitters ,
	ADD CONSTRAINT fk_adminsubs_admin
		FOREIGN KEY ( admin_id ) REFERENCES admin.administrators
			ON DELETE CASCADE;



--
-- Bug submitters - users
--

CREATE TABLE bugs.user_submitters(
	submitter_id	BIGINT PRIMARY KEY ,
	account_id		INT NOT NULL UNIQUE
);

ALTER TABLE bugs.user_submitters
	ADD CONSTRAINT fk_usersubs_submitter
		FOREIGN KEY ( submitter_id ) REFERENCES bugs.submitters ,
	ADD CONSTRAINT fk_usersubs_account
		FOREIGN KEY ( account_id ) REFERENCES users.active_accounts
			ON DELETE CASCADE ON UPDATE CASCADE;



--
-- Report groups
--

CREATE TABLE bugs.groups(
	group_id		BIGSERIAL PRIMARY KEY
);



--
-- Report events - main table
--

CREATE TABLE bugs.events(
	event_id		BIGSERIAL PRIMARY KEY ,
	group_id		BIGINT NOT NULL ,
	submitter_id	BIGINT NOT NULL ,
	e_type			bug_event_type NOT NULL ,
	t				TIMESTAMP WITHOUT TIME ZONE
						NOT NULL
						DEFAULT now( )
);

CREATE INDEX idx_events_group
	ON bugs.events( group_id );

CREATE INDEX idx_events_submitter
	ON bugs.events( submitter_id );

CREATE INDEX idx_events_time
	ON bugs.events( t );

ALTER TABLE bugs.events
	ADD CONSTRAINT fk_events_group
		FOREIGN KEY ( group_id ) REFERENCES bugs.groups ,
	ADD CONSTRAINT fk_events_submitter
		FOREIGN KEY ( submitter_id ) REFERENCES bugs.submitters;

GRANT SELECT ON bugs.events TO :dbuser;



--
-- Report events - initial reports
--

CREATE TABLE bugs.initial_report_events(
	event_id		BIGINT PRIMARY KEY ,
	title			VARCHAR( 128 ) NOT NULL ,
	description		TEXT NOT NULL
);

ALTER TABLE bugs.initial_report_events
	ADD CONSTRAINT fk_initialreports_event
		FOREIGN KEY ( event_id ) REFERENCES bugs.events;



--
-- Report events - mergers
--

CREATE TABLE bugs.merge_events(
	event_id		BIGINT PRIMARY KEY ,
	initial_post_id	BIGINT NOT NULL
);

CREATE INDEX idx_mergers_initialpost
	ON bugs.merge_events( initial_post_id );

ALTER TABLE bugs.merge_events
	ADD CONSTRAINT fk_mergers_event
		FOREIGN KEY ( event_id ) REFERENCES bugs.events ,
	ADD CONSTRAINT fk_mergers_initial
		FOREIGN KEY ( initial_post_id ) REFERENCES bugs.initial_report_events;



--
-- Report events - status change
--

CREATE TABLE bugs.status_change_events(
	event_id		BIGINT PRIMARY KEY ,
	status			bug_status_type NOT NULL
);

ALTER TABLE bugs.status_change_events
	ADD CONSTRAINT fk_statuschanges_event
		FOREIGN KEY ( event_id ) REFERENCES bugs.events;



--
-- Report events - comments
--

CREATE TABLE bugs.comment_events(
	event_id		BIGINT PRIMARY KEY ,
	comment			TEXT NOT NULL ,
	visible			BOOLEAN NOT NULL
);

ALTER TABLE bugs.comment_events
	ADD CONSTRAINT fk_comments_event
		FOREIGN KEY ( event_id ) REFERENCES bugs.events;



--
-- Report events - visibility changes
--

CREATE TABLE bugs.visibility_events(
	event_id		BIGINT PRIMARY KEY ,
	visible			BOOLEAN NOT NULL
);


ALTER TABLE bugs.visibility_events
	ADD CONSTRAINT fk_visibility_event
		FOREIGN KEY ( event_id ) REFERENCES bugs.events;



--
-- Account status information submitted along with bug reports by players
--

CREATE TABLE bugs.account_status_data(
	event_id		BIGINT PRIMARY KEY ,
	account_status	TEXT
);

ALTER TABLE bugs.account_status_data
	ADD CONSTRAINT fk_accountstatus_event
		FOREIGN KEY ( event_id ) REFERENCES bugs.initial_report_events;

GRANT SELECT ON bugs.account_status_data TO :dbuser;



--
-- View status - administrators
--

CREATE TABLE bugs.admin_view_status(
	group_id		BIGINT NOT NULL ,
	admin_id		INT NOT NULL ,
	last_view		TIMESTAMP WITHOUT TIME ZONE
						NOT NULL DEFAULT now( ) ,
	PRIMARY KEY( group_id , admin_id )
);

CREATE INDEX idx_adminview_admin
	ON bugs.admin_view_status ( admin_id );
 
CREATE INDEX idx_adminview_lastview
	ON bugs.admin_view_status ( last_view );

ALTER TABLE bugs.admin_view_status
	ADD CONSTRAINT fk_adminview_group
		FOREIGN KEY ( group_id ) REFERENCES bugs.groups
			ON DELETE CASCADE ,
	ADD CONSTRAINT fk_adminview_admin
		FOREIGN KEY ( admin_id ) REFERENCES admin.administrators; 



--
-- View status - players
--

CREATE TABLE bugs.user_view_status(
	group_id		BIGINT NOT NULL ,
	user_id			INT NOT NULL ,
	last_view		TIMESTAMP WITHOUT TIME ZONE
						NOT NULL DEFAULT now( ) ,
	PRIMARY KEY( group_id , user_id )
);

CREATE INDEX idx_userview_user
	ON bugs.user_view_status ( user_id );
 
CREATE INDEX idx_userview_lastview
	ON bugs.user_view_status ( last_view );

ALTER TABLE bugs.user_view_status
	ADD CONSTRAINT fk_userview_group
		FOREIGN KEY ( group_id ) REFERENCES bugs.groups
			ON DELETE CASCADE , 
	ADD CONSTRAINT fk_userview_user
		FOREIGN KEY ( user_id ) REFERENCES users.active_accounts
			ON DELETE CASCADE ON UPDATE CASCADE;