-- $Id$ 

CREATE SEQUENCE transport_id;

CREATE TABLE transport (

    tid         bigint NOT NULL DEFAULT nextval('transport_id'),

    CONSTRAINT pkey_transport PRIMARY KEY (tid),

    CONSTRAINT ukey_transport UNIQUE (transport)

);

-- Insert default transport

INSERT INTO transport(transport) VALUES ('dovecot:');

);

-- Insert default Maildir-folder name

CREATE SEQUENCE domains_gid

    START WITH 70000

    INCREMENT BY 1

    MINVALUE 70000

    MAXVALUE 4294967294

    NO CYCLE;

CREATE SEQUENCE users_uid

    START WITH 70000

    INCREMENT BY 1

    MINVALUE 70000

    MAXVALUE 4294967294

    NO CYCLE;

CREATE TABLE domains (

    gid         bigint NOT NULL DEFAULT nextval('domains_gid'),

    domainname  varchar(255) NOT NULL,

    domaindir   varchar(40) NOT NULL, --/srv/mail/$RAND/4294967294

    CONSTRAINT pkey_domains PRIMARY KEY (gid),

);

CREATE TABLE users (

    local_part  varchar(64) NOT NULL,-- only localpart w/o '@'

    passwd      varchar(74) NOT NULL,-- {CRAM-MD5}+64hex numbers

    name        varchar(128) NULL,

    uid         bigint NOT NULL DEFAULT nextval('users_uid'),

    gid         bigint NOT NULL,

    mid         bigint NOT NULL DEFAULT 1,

    tid         bigint NOT NULL DEFAULT 1,

    disabled    boolean NOT NULL DEFAULT FALSE,

    CONSTRAINT pkye_users PRIMARY KEY (local_part, gid),

    CONSTRAINT ukey_users_uid UNIQUE (uid),

    CONSTRAINT fkey_users_gid_domains FOREIGN KEY (gid)

        REFERENCES domains (gid),

    CONSTRAINT fkey_users_tid_transport FOREIGN KEY (tid)

        REFERENCES transport (tid)

);

CREATE TABLE alias (

    gid         bigint NOT NULL,

    address     varchar(256) NOT NULL,

    destination varchar(320) NOT NULL,

    CONSTRAINT pkey_alias PRIMARY KEY (gid, address, destination),

    CONSTRAINT fkey_alias_gid_domains FOREIGN KEY (gid)

        REFERENCES domains (gid)

);

CREATE TABLE relocated (

    gid         bigint NOT NULL,

    address     varchar(64) NOT NULL,

    destination varchar(320) NOT NULL,

    CONSTRAINT pkey_relocated PRIMARY KEY (gid, address),

    CONSTRAINT fkey_relocated_gid_domains FOREIGN KEY (gid)

        REFERENCES domains (gid)

);

CREATE OR REPLACE VIEW dovecot_password AS

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

           passwd AS "password"

      FROM users

           LEFT JOIN domains USING (gid);

CREATE OR REPLACE VIEW dovecot_user AS

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

           domains.domaindir || '/' || uid AS home,

           uid,

           gid

      FROM users

           LEFT JOIN domains USING (gid);

CREATE OR REPLACE VIEW postfix_gid AS

    SELECT gid, domainname

      FROM domains;

CREATE OR REPLACE VIEW postfix_uid AS

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

           uid

      FROM users

           LEFT JOIN domains USING (gid);

CREATE OR REPLACE VIEW postfix_maildir AS

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

      FROM users

           LEFT JOIN domains USING (gid)

CREATE OR REPLACE VIEW postfix_relocated AS

    SELECT address || '@' || domains.domainname AS address, destination

      FROM relocated

           LEFT JOIN domains USING (gid);

CREATE OR REPLACE VIEW postfix_alias AS

    SELECT address || '@' || domains.domainname AS address, destination, gid

      FROM alias

           LEFT JOIN domains USING (gid);

CREATE OR REPLACE VIEW postfix_transport AS

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

           transport.transport

      FROM users

           LEFT JOIN transport USING (tid)

           LEFT JOIN domains USING (gid);

CREATE OR REPLACE VIEW vmm_alias_count AS

    SELECT count(DISTINCT address) AS aliases, gid

      FROM alias 

  GROUP BY gid;