PRAGMA foreign_keys = on;
create table post_types (
name varchar(32) not null primary key
);
insert into post_types (name) values ('article'), ('note');
create table posts (
id integer not null primary key autoincrement,
created_at bigint not null default (unixepoch()),
updated_at bigint,
post_type varchar(32) not null default ('note'),
foreign key (post_type) references post_types(name)
);
create table tags (
name varchar(128) not null primary key
);
create table posts_tags (
post_id integer not null,
tag varchar(128) not null,
foreign key (post_id) references posts(id),
foreign key (tag) references tags(name),
primary key (post_id, tag)
);
create table articles (
post_id integer not null,
source varchar(128) not null,
hash varchar(64) not null,
foreign key (post_id) references posts(id)
);
create table notes (
post_id integer not null,
content text,
foreign key (post_id) references posts(id)
);
create table media_types (
name varchar(32) not null primary key
);
insert into media_types (name) values ('image'), ('video'), ('audio');
create table media (
id integer not null primary key autoincrement,
media_type varchar(32) not null,
source varchar(128) not null,
foreign key (media_type) references media_types(name)
);
create table notes_media (
note_id integer not null,
media_id integer not null,
foreign key (note_id) references notes(note_id),
foreign key (media_id) references media(id),
primary key (note_id, media_id)
);
