db: add initial postgresql schema

db/20180416163802-init-schema.sql

@@ -0,0 +1,155 @@
+-- Initial PostgreSQL database schema
+
+CREATE TABLE IF NOT EXISTS config (
+  allowNewOwners           BOOLEAN       NOT NULL
+);
+
+INSERT INTO
+config (allowNewOwners)
+VALUES (true);
+
+CREATE TABLE IF NOT EXISTS owners (
+  ownerHex                 TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  email                    TEXT          NOT NULL  UNIQUE                   ,
+  name                     TEXT          NOT NULL                           ,
+  passwordHash             TEXT          NOT NULL                           ,
+  confirmedEmail           TEXT          NOT NULL  DEFAULT false            ,
+  joinDate                 TIMESTAMP     NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS ownerSessions (
+  session                  TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  ownerHex                 TEXT          NOT NULL                           ,
+  loginDate                TIMESTAMP     NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS ownerConfirmHexes (
+  confirmHex               TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  ownerHex                 TEXT          NOT NULL                           ,
+  sendDate                 TEXT          NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS ownerResetHexes (
+  resetHex                 TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  ownerHex                 TEXT          NOT NULL                           ,
+  sendDate                 TEXT          NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS domains (
+  domain                   TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  ownerHex                 TEXT          NOT NULL                           ,
+  name                     TEXT          NOT NULL                           ,
+  creationDate             TIMESTAMP     NOT NULL                           ,
+  state                    TEXT          NOT NULL  DEFAULT 'unfrozen'       ,
+  importedComments         TEXT          NOT NULL  DEFAULT false            ,
+  autoSpamFilter           BOOLEAN       NOT NULL  DEFAULT true             ,
+  requireModeration        BOOLEAN       NOT NULL  DEFAULT false            ,
+  requireIdentification    BOOLEAN       NOT NULL  DEFAULT true             ,
+  viewsThisMonth           INTEGER       NOT NULL  DEFAULT 0
+);
+
+CREATE TABLE IF NOT EXISTS moderators (
+  domain                   TEXT          NOT NULL                           ,
+  email                    TEXT          NOT NULL                           ,
+  addDate                  TIMESTAMP     NOT NULL                           ,
+  PRIMARY KEY (domain, email)
+);
+
+CREATE TABLE IF NOT EXISTS commenters (
+  commenterHex             TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  email                    TEXT          NOT NULL                           ,
+  name                     TEXT          NOT NULL                           ,
+  link                     TEXT          NOT NULL                           ,
+  photo                    TEXT          NOT NULL                           ,
+  provider                 TEXT          NOT NULL                           ,
+  joinDate                 TIMESTAMP     NOT NULL                           ,
+  state                    TEXT          NOT NULL  DEFAULT 'ok'
+);
+
+CREATE TABLE IF NOT EXISTS commenterSessions (
+  session                  TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  commenterHex             TEXT          NOT NULL  DEFAULT 'none'           ,
+  creationDate             TIMESTAMP     NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS comments (
+  commentHex               TEXT          NOT NULL  UNIQUE  PRIMARY KEY      ,
+  domain                   TEXT          NOT NULL                           ,
+  path                     TEXT          NOT NULL                           ,
+  commenterHex             TEXT          NOT NULL                           ,
+  markdown                 TEXT          NOT NULL                           ,
+  html                     TEXT          NOT NULL                           ,
+  parentHex                TEXT          NOT NULL                           ,
+  score                    INTEGER       NOT NULL  DEFAULT 0                ,
+  state                    TEXT          NOT NULL  DEFAULT 'unapproved'     , -- not a BOOLEAN because I expect more states in the future
+  creationDate             TIMESTAMP     NOT NULL
+);
+
+-- DELETEing a comment should recursively delete all children
+CREATE OR REPLACE FUNCTION commentsDeleteTriggerFunction() RETURNS TRIGGER AS $trigger$
+BEGIN
+  DELETE FROM comments
+  WHERE parentHex = old.commentHex;
+
+  RETURN NULL;
+END;
+$trigger$ LANGUAGE plpgsql;
+
+CREATE TRIGGER commentsDeleteTrigger AFTER DELETE ON comments
+FOR EACH ROW EXECUTE PROCEDURE commentsDeleteTriggerFunction();
+
+CREATE TABLE IF NOT EXISTS votes (
+  commentHex               TEXT          NOT NULL                           ,
+  commenterHex             TEXT          NOT NULL                           ,
+  direction                INTEGER       NOT NULL                           ,
+  voteDate                 TIMESTAMP     NOT NULL
+);
+
+CREATE UNIQUE INDEX votesUniqueIndex ON votes(commentHex, commenterHex);
+
+CREATE OR REPLACE FUNCTION votesInsertTriggerFunction() RETURNS TRIGGER AS $trigger$
+BEGIN
+  UPDATE comments
+  SET score = score + new.direction
+  WHERE commentHex = new.commentHex;
+
+  RETURN NEW;
+END;
+$trigger$ LANGUAGE plpgsql;
+
+CREATE TRIGGER votesInsertTrigger AFTER INSERT ON votes
+FOR EACH ROW EXECUTE PROCEDURE votesInsertTriggerFunction();
+
+CREATE OR REPLACE FUNCTION votesUpdateTriggerFunction() RETURNS TRIGGER AS $trigger$
+BEGIN
+  UPDATE comments
+  SET score = score - old.direction + new.direction
+  WHERE commentHex = old.commentHex;
+
+  RETURN NEW;
+END;
+$trigger$ LANGUAGE plpgsql;
+
+CREATE TRIGGER votesUpdateTrigger AFTER UPDATE ON votes
+FOR EACH ROW EXECUTE PROCEDURE votesUpdateTriggerFunction();
+
+CREATE TABLE IF NOT EXISTS views (
+  domain                   TEXT          NOT NULL                           ,
+  commenterHex             TEXT          NOT NULL                           ,
+  viewDate                 TIMESTAMP     NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS domainIndex ON views(domain);
+
+CREATE OR REPLACE FUNCTION viewsInsertTriggerFunction() RETURNS TRIGGER AS $trigger$
+BEGIN
+  UPDATE domains
+  SET viewsThisMonth = viewsThisMonth + 1
+  WHERE domain = new.domain;
+
+  RETURN NULL;
+END;
+$trigger$ LANGUAGE plpgsql;
+
+CREATE TRIGGER viewsInsertTrigger AFTER INSERT ON views
+FOR EACH ROW EXECUTE PROCEDURE viewsInsertTriggerFunction();