SET client_encoding = 'UTF8';

SET client_min_messages = warning;

-- ---

-- Make room for sha512-crypt.hex hashed passwords

-- ---

DROP VIEW dovecot_password;

ALTER TABLE users ALTER COLUMN passwd TYPE varchar(270);

CREATE VIEW dovecot_password AS

    SELECT local_part || '@' || domain_name.domainname AS "user",

           passwd AS "password", smtp, pop3, imap, sieve

      FROM users

           LEFT JOIN domain_name USING (gid);

-- ---

-- Make room for different mailbox formats.

-- ---

DROP VIEW dovecot_user;

DROP VIEW postfix_maildir;

CREATE SEQUENCE mailboxformat_id;

CREATE TABLE mailboxformat (

    fid         bigint NOT NULL DEFAULT nextval('mailboxformat_id'),

    format      varchar(20) NOT NULL,

    CONSTRAINT  pkey_mailboxformat PRIMARY KEY (fid),

    CONSTRAINT  ukey_mailboxformat UNIQUE (format)

);

-- Insert supported mailbox formats

INSERT INTO mailboxformat(format) VALUES ('maildir');

INSERT INTO mailboxformat(format) VALUES ('mdbox');

INSERT INTO mailboxformat(format) VALUES ('sdbox');

-- Adjust maillocation table

ALTER TABLE maillocation DROP CONSTRAINT ukey_maillocation;

ALTER TABLE maillocation RENAME COLUMN maillocation TO directory;

ALTER TABLE maillocation

    ADD COLUMN fid bigint NOT NULL DEFAULT 1,

    ADD COLUMN extra varchar(1024);

ALTER TABLE maillocation ADD CONSTRAINT fkey_maillocation_fid_mailboxformat

    FOREIGN KEY (fid) REFERENCES mailboxformat (fid);

CREATE VIEW dovecot_user AS

    SELECT local_part || '@' || domain_name.domainname AS userid,

           uid, gid, domain_data.domaindir || '/' || uid AS home,

           mailboxformat.format || ':~/' || maillocation.directory AS mail

      FROM users

           LEFT JOIN domain_data USING (gid)

           LEFT JOIN domain_name USING (gid)

           LEFT JOIN maillocation USING (mid)

           LEFT JOIN mailboxformat USING (fid);

CREATE VIEW postfix_maildir AS

    SELECT local_part || '@' || domain_name.domainname AS address,

           domain_data.domaindir||'/'||uid||'/'||maillocation.directory||'/'

           AS maildir

      FROM users

           LEFT JOIN domain_data USING (gid)

           LEFT JOIN domain_name USING (gid)

           LEFT JOIN maillocation USING (mid);