mail/back/db/structure

create table addresses (
    id          int not null auto_increment,
    name        text,
    localpart   text not null,
    domain      text not null,
    email       text not null,
    primary key (id),
    unique key (email)
);

create table mailboxes (
    -- Grant: select, insert, update
    id          serial primary key,
    name        text not null unique,
    -- owner       int references users(id), todo

    -- The UID that will be assigned to the next delivered message.
    -- Incremented after each successful delivery.
    uidnext     int not null default 1,

    -- The next modsequence value for this mailbox.
    nextmodseq  bigint not null default 1,

    -- The UID of the first message that should be marked \Recent.
    -- Set to uidnext when each new IMAP session is created.
    first_recent int not null default 1,

    -- The IMAP mailbox UIDVALIDITY value, which, along with a message UID,
    -- is forever guaranteed to uniquely refer to a single message.
    uidvalidity int not null default 1,

    -- When a mailbox is deleted, its entry is marked (not removed), so
    -- that its UIDVALIDITY can be incremented if it is ever re-created.
    deleted     boolean not null default false
);

/**
 * Store message
 */

create table messages (
    -- Grant: select, insert
    id          int primary key auto_increment,
    -- the time the message was added to the mailbox, as a unix time_t
    idate       timestamp not null,
    -- the size of the message in RFC 822 format, in bytes
    rfc822size  int
);

-- todo make this work
--     foreign key (mailbox) references mailboxes(id),
--    foreign key (uid) references messages(id),
create table mailbox_messages (
    -- Grant: select, insert, update
    mailbox     int not null,
    -- the message's number in the mailbox
    uid         int not null,
    message     int not null,
    modseq      bigint not null,
    seen        boolean not null default false,
    deleted     boolean not null default false,
    primary key (mailbox, uid)
);

-- tood should not be auto increment but nextval('bodypart_ids')
create table bodyparts (
    -- Grant: select, insert
    id          int primary key auto_increment,
    -- the size of either text or data, whichever is used
    bytes       int not null,
    -- MD5 hash of either text or data
    hash        text not null,
    text        text,
    data        binary
);

create table part_numbers (
    -- Grant: select, insert
    message     int references messages(id) on delete cascade,
    part        text not null,
    bodypart    int references bodyparts(id),
    bytes       int,
    nbLines       int,
    primary key (message)
);

create table field_names (
    -- Grant: select, insert
    id          serial primary key,
    name        text unique
);

-- add     foreign key (message, part)
               -- references part_numbers(message, part)
                --on delete cascade at the end
--  references field_names(id) to field
create table header_fields (
    -- Grant: select, insert
    id          serial primary key,
    message     int not null,
    part        text not null,
    position    int not null,
    field       int not null,
    value       text,
    unique (message, part, position, field)
);

create table address_fields (
    -- Grant: select, insert
    message     int not null,
    part        text not null,
    position    int not null,
    field       int not null,
    number      int,
    address     int not null-- references addresses(id),
--    foreign key (message, part)
              --  references part_numbers(message, part)
               -- on delete cascade
);

create table date_fields (
    -- Grant: select, insert
    message     int not null references messages(id)
                on delete cascade,
    value       timestamp --with time zone
);

/**
 * APP tables
 */
create table app_accounts (
    id          int not null auto_increment,
    user        varchar(255) not null,
    password    binary(20),
    xoauth      varchar(116),
    xoauth2     varchar(116),
    host        varchar(255) not null default 'localhost',
    port        int(5) not null default 143,
    tls         int(1) not null default 0,
    primary key (id)
);

create table app_rooms (
    id          int not null auto_increment,
    name        text not null,
    owner       int not null,
    isGroup     BIT(1) not null default 0,
    notSeen     int not null default 0,
    lastUpdate  timestamp not null,
    primary key (id)
);

create table app_room_messages (
    message     int [not null]
    room        int,
    primary key()
)