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Create table for tracking changes across tables and operations

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thiloho
2024-09-11 12:14:10 +02:00
parent c0288d2980
commit b7174530e8
5 changed files with 140 additions and 29 deletions
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19
rest-api/db/migrations/20240719071602_main_tables.sql
View File

@@ -82,6 +82,8 @@ CREATE TABLE internal.docs_category (
user_id UUID REFERENCES internal.user (id) ON DELETE SET NULL DEFAULT (CURRENT_SETTING('request.jwt.claims', TRUE)::JSON ->> 'user_id') ::UUID,
category_name VARCHAR(50) NOT NULL CHECK (TRIM(category_name) != ''),
category_weight INTEGER CHECK (category_weight >= 0) NOT NULL,
last_modified_at TIMESTAMPTZ NOT NULL DEFAULT CLOCK_TIMESTAMP(),
last_modified_by UUID REFERENCES internal.user (id) ON DELETE SET NULL,
UNIQUE (website_id, category_name),
UNIQUE (website_id, category_weight)
);
@@ -94,14 +96,15 @@ CREATE TABLE internal.article (
meta_description VARCHAR(250) CHECK (TRIM(meta_description) != ''),
meta_author VARCHAR(100) CHECK (TRIM(meta_author) != ''),
cover_image UUID REFERENCES internal.media (id) ON DELETE SET NULL,
publication_date DATE DEFAULT CURRENT_DATE,
publication_date DATE,
main_content TEXT CHECK (TRIM(main_content) != ''),
category UUID REFERENCES internal.docs_category (id) ON DELETE SET NULL,
article_weight INTEGER CHECK (article_weight IS NULL OR article_weight >= 0),
created_at TIMESTAMPTZ NOT NULL DEFAULT CLOCK_TIMESTAMP(),
last_modified_at TIMESTAMPTZ NOT NULL DEFAULT CLOCK_TIMESTAMP(),
last_modified_by UUID REFERENCES internal.user (id) ON DELETE SET NULL,
title_description_search TSVECTOR GENERATED ALWAYS AS (TO_TSVECTOR('english', COALESCE(title, '') || ' ' || COALESCE(meta_description, ''))) STORED
title_description_search TSVECTOR GENERATED ALWAYS AS (TO_TSVECTOR('english', COALESCE(title, '') || ' ' || COALESCE(meta_description, ''))) STORED,
UNIQUE (website_id, category, article_weight)
);
CREATE TABLE internal.footer (
@@ -128,19 +131,7 @@ CREATE TABLE internal.collab (
PRIMARY KEY (website_id, user_id)
);
CREATE TABLE internal.change_log (
website_id UUID REFERENCES internal.website (id) ON DELETE CASCADE,
user_id UUID REFERENCES internal.user (id) ON DELETE CASCADE DEFAULT (CURRENT_SETTING('request.jwt.claims', TRUE)::JSON ->> 'user_id') ::UUID,
change_summary VARCHAR(255) NOT NULL,
previous_value JSONB,
new_value JSONB,
timestamp TIMESTAMPTZ NOT NULL DEFAULT CLOCK_TIMESTAMP(),
PRIMARY KEY (website_id, user_id, TIMESTAMP)
);
-- migrate:down
DROP TABLE internal.change_log;
DROP TABLE internal.collab;
DROP TABLE internal.legal_information;

13
rest-api/db/migrations/20240720132802_exposed_views_functions.sql
View File

@@ -82,13 +82,6 @@ SELECT
FROM
internal.collab;
CREATE VIEW api.change_log WITH ( security_invoker = ON
) AS
SELECT
*
FROM
internal.change_log;
CREATE FUNCTION api.create_website (content_type VARCHAR(10), title VARCHAR(50), OUT website_id UUID)
AS $$
DECLARE
@@ -170,15 +163,9 @@ GRANT SELECT, INSERT, UPDATE, DELETE ON internal.collab TO authenticated_user;
GRANT SELECT, INSERT, UPDATE, DELETE ON api.collab TO authenticated_user;
GRANT SELECT ON internal.change_log TO authenticated_user;
GRANT SELECT ON api.change_log TO authenticated_user;
-- migrate:down
DROP FUNCTION api.create_website (VARCHAR(10), VARCHAR(50));
DROP VIEW api.change_log;
DROP VIEW api.collab;
DROP VIEW api.legal_information;

7
rest-api/db/migrations/20240805132306_last_modified_triggers.sql
View File

@@ -44,6 +44,11 @@ CREATE TRIGGER update_article_last_modified
FOR EACH ROW
EXECUTE FUNCTION internal.update_last_modified ();
CREATE TRIGGER update_docs_category_modified
BEFORE INSERT OR UPDATE OR DELETE ON internal.docs_category
FOR EACH ROW
EXECUTE FUNCTION internal.update_last_modified ();
CREATE TRIGGER update_footer_last_modified
BEFORE UPDATE ON internal.footer
FOR EACH ROW
@@ -70,6 +75,8 @@ DROP TRIGGER update_home_last_modified ON internal.home;
DROP TRIGGER update_article_last_modified ON internal.article;
DROP TRIGGER update_docs_category_modified ON internal.docs_category;
DROP TRIGGER update_footer_last_modified ON internal.footer;
DROP TRIGGER update_legal_information_last_modified ON internal.legal_information;

126
rest-api/db/migrations/20240911070907_change_log.sql Normal file
View File

@@ -0,0 +1,126 @@
-- migrate:up
CREATE EXTENSION hstore;
CREATE TABLE internal.change_log (
id UUID PRIMARY KEY DEFAULT gen_random_uuid (),
website_id UUID REFERENCES internal.website (id) ON DELETE CASCADE,
user_id UUID REFERENCES internal.user (id) ON DELETE CASCADE DEFAULT (CURRENT_SETTING('request.jwt.claims', TRUE)::JSON ->> 'user_id') ::UUID,
tstamp TIMESTAMPTZ NOT NULL DEFAULT CLOCK_TIMESTAMP(),
table_name TEXT NOT NULL,
operation TEXT NOT NULL,
old_value HSTORE,
new_value HSTORE
);
CREATE FUNCTION internal.track_changes ()
RETURNS TRIGGER
AS $$
DECLARE
_website_id UUID;
BEGIN
IF TG_TABLE_NAME = 'website' THEN
_website_id := NEW.id;
ELSE
_website_id := NEW.website_id;
END IF;
IF TG_OP = 'INSERT' THEN
INSERT INTO internal.change_log (website_id, table_name, operation, new_value)
VALUES (_website_id, TG_TABLE_NAME, TG_OP, HSTORE (NEW));
RETURN NEW;
ELSIF TG_OP = 'UPDATE' THEN
INSERT INTO internal.change_log (website_id, table_name, operation, old_value, new_value)
VALUES (_website_id, TG_TABLE_NAME, TG_OP, HSTORE (OLD) - HSTORE (NEW), HSTORE (NEW) - HSTORE (OLD));
RETURN NEW;
ELSIF TG_OP = 'DELETE' THEN
INSERT INTO internal.change_log (website_id, table_name, operation, old_value)
VALUES (_website_id, TG_TABLE_NAME, TG_OP, HSTORE (OLD));
RETURN NEW;
END IF;
END;
$$
LANGUAGE plpgsql
SECURITY DEFINER;
CREATE TRIGGER website_track_changes
AFTER INSERT OR UPDATE OR DELETE ON internal.website
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER settings_track_changes
AFTER UPDATE ON internal.settings
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER header_track_changes
AFTER UPDATE ON internal.header
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER home_track_changes
AFTER UPDATE ON internal.home
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER article_track_changes
AFTER INSERT OR UPDATE OR DELETE ON internal.article
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER docs_category_track_changes
AFTER INSERT OR UPDATE OR DELETE ON internal.docs_category
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER footer_track_changes
AFTER UPDATE ON internal.footer
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER legal_information_track_changes
AFTER UPDATE ON internal.legal_information
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE TRIGGER collab_track_changes
AFTER INSERT OR UPDATE OR DELETE ON internal.collab
FOR EACH ROW
EXECUTE FUNCTION internal.track_changes ();
CREATE VIEW api.change_log WITH ( security_invoker = ON
) AS
SELECT
*
FROM
internal.change_log;
GRANT SELECT ON internal.change_log TO authenticated_user;
GRANT SELECT ON api.change_log TO authenticated_user;
-- migrate:down
DROP TRIGGER website_track_changes ON internal.website;
DROP TRIGGER settings_track_changes ON internal.settings;
DROP TRIGGER header_track_changes ON internal.header;
DROP TRIGGER home_track_changes ON internal.home;
DROP TRIGGER article_track_changes ON internal.article;
DROP TRIGGER docs_category_track_changes ON internal.docs_category;
DROP TRIGGER footer_track_changes ON internal.footer;
DROP TRIGGER legal_information_track_changes ON internal.legal_information;
DROP TRIGGER collab_track_changes ON internal.collab;
DROP FUNCTION internal.track_changes ();
DROP VIEW api.change_log;
DROP TABLE internal.change_log;
DROP EXTENSION hstore;