PRAGMA foreign_keys = on;
-- a user jid will never change, only a chat user will change
create table if not exists users(
-- bare jid
jid text primary key not null,
nick text,
avatar text,
-- can receive presence status from non-contacts
cached_status_message text
-- TODO: last_seen
);
-- links to messages, jabber users, stores jid history, etc.
-- every identity requires a user, so imported messages must be assigned to an existing jabber account.
create table if not exists identities(
id text primary key not null,
-- each time a user moves, their identity's primary jid is updated, and the new jid is added to the identities log
primary_jid text not null unique,
foreign key(primary_jid) references users(jid)
);
-- this also allows e.g. mucs with imported histories to assign messages temporarily to muc-generated temporary users, then send user move events to assign message ownership once that person joins the new group chat with a jabber account.
-- identities log basically.
create table if not exists identities_users(
id text not null,
jid text not null,
-- what to do when somebody moves, but then the old jid is used again without having explicitly moved back? create new identity to assign ownership to?
-- merging of identities?
activated_timestamp not null,
foreign key(id) references identities(id),
foreign key(jid) references users(jid),
primary key(id, jid)
);
-- enum for subscription state
create table if not exists subscription(
state text primary key not null
);
insert into subscription ( state ) values ('none'), ('pending-out'), ('pending-in'), ('pending-in-pending-out'), ('only-out'), ('only-in'), ('out-pending-in'), ('in-pending-out'), ('buddy') on conflict do nothing;
-- a roster contains users, with client-set nickname
CREATE TABLE if not exists roster(
user_jid text primary key not null,
name TEXT,
subscription text not null,
foreign key(subscription) references subscription(state),
foreign key(user_jid) references users(jid)
);
create table if not exists groups(
group_name text primary key not null
);
create table if not exists groups_roster(
group_name text not null,
contact_jid text not null,
foreign key(group_name) references groups(group_name),
foreign key(contact_jid) references roster(user_jid) on delete cascade,
primary key(group_name, contact_jid)
);
-- chat includes reference to user jid chat is with
-- specifically for dms, groups should be different
-- can send chat message to user (creating a new chat if not already exists)
create table if not exists chats (
id text primary key not null,
have_chatted bool not null,
correspondent text not null unique,
-- TODO: how many messages to store locally/rely on mam, whether to auto-download/store media too.
foreign key(correspondent) references identities(id)
);
-- enum for subscription state
create table if not exists delivery(
state text primary key not null
);
insert into delivery ( state ) values ('sending'), ('written'), ('sent'), ('delivered'), ('read'), ('failed'), ('queued') on conflict do nothing;
-- messages include reference to chat they are in, and who sent them.
create table if not exists messages (
id text primary key not null,
body text,
-- delivery is nullable as only messages sent by the user are markable
delivery text,
chat_id text not null,
-- TODO: channel stuff
-- channel_id uuid,
-- check ((chat_id == null) <> (channel_id == null)),
-- check ((chat_id == null) or (channel_id == null)),
-- TODO: queued messages offline
timestamp text not null,
-- the identity to show it coming from (not necessarily the original sender)
from_identity text not null,
-- TODO: unread message count, read bool not null,
foreign key(delivery) references delivery(state),
foreign key(chat_id) references chats(id) on delete cascade,
foreign key(from_identity) references identities(id)
);
-- enum for subscription state
create table if not exists show (
state text primary key not null
);
insert into show ( state ) values ('away'), ('chat'), ('do-not-disturb'), ('extended-away') on conflict do nothing;
create table if not exists cached_status (
id integer primary key not null,
show text,
message text,
foreign key(show) references show(state)
);
insert into cached_status (id) values (0) on conflict do nothing;
create table if not exists capability_hash_nodes (
node text primary key not null,
timestamp text,
-- TODO: normalization
capabilities text not null
);
insert into capability_hash_nodes ( node, capabilities ) values ('https://bunny.garden/filamento#mSavc/SLnHm8zazs5RlcbD/iXoc=', 'aHR0cDovL2phYmJlci5vcmcvcHJvdG9jb2wvY2Fwcx9odHRwOi8vamFiYmVyLm9yZy9wcm90b2NvbC9kaXNjbyNpbmZvH2h0dHA6Ly9qYWJiZXIub3JnL3Byb3RvY29sL2Rpc2NvI2l0ZW1zH2h0dHA6Ly9qYWJiZXIub3JnL3Byb3RvY29sL25pY2sfaHR0cDovL2phYmJlci5vcmcvcHJvdG9jb2wvbmljaytub3RpZnkfHGNsaWVudB9wYx8fZmlsYW1lbnRvIDAuMS4wHx4cHA==') on conflict do nothing;
-- TODO: later maybe just a full stanza log period?
create table if not exists message_stanzas (
id integer primary key not null,
raw text not null,
timestamp text not null,
-- should be 1 to many as the same original stanza could technically have multiple envelopes...(e.g. message sync, mam), also makes making dangling stanzas not possible easier when modeling the relationship this way.
envelope_of integer,
linked_message text,
-- check that stanza is either linked to another stanza, or a message (no dangling stanzas)
check ((envelope_of == null) <> (linked_message == null)),
foreign key(linked_message) references messages(id),
foreign key(envelope_of) references message_stanzas(id)
)