| gio | 134be72 | 2025-07-20 19:01:17 +0400 | [diff] [blame] | 1 | CREATE TABLE IF NOT EXISTS users ( |
| 2 | id TEXT PRIMARY KEY, |
| 3 | username TEXT NOT NULL, |
| 4 | email TEXT NOT NULL, |
| 5 | UNIQUE(username), |
| 6 | UNIQUE (email) |
| 7 | ); |
| 8 | |
| 9 | CREATE TABLE IF NOT EXISTS keys ( |
| 10 | user_id TEXT, |
| 11 | public_key TEXT, |
| 12 | UNIQUE (public_key), |
| 13 | FOREIGN KEY(user_id) REFERENCES users(id) |
| 14 | ); |
| 15 | |
| 16 | CREATE TABLE IF NOT EXISTS groups ( |
| 17 | id TEXT PRIMARY KEY, |
| 18 | title TEXT NOT NULL, |
| 19 | description TEXT, |
| 20 | external_id TEXT |
| 21 | ); |
| 22 | |
| 23 | CREATE TABLE IF NOT EXISTS memberships ( |
| 24 | id TEXT NOT NULL, |
| 25 | membership_type TEXT CHECK(membership_type IN ('member', 'owner')) NOT NULL, |
| 26 | member_type TEXT CHECK(member_type IN ('user', 'group')) NOT NULL, |
| 27 | user_id TEXT, |
| 28 | group_id TEXT, |
| 29 | FOREIGN KEY(id) REFERENCES groups(id) |
| 30 | FOREIGN KEY(user_id) REFERENCES users(id), |
| 31 | FOREIGN KEY(group_id) REFERENCES groups(id), |
| 32 | CHECK(user_id IS NULL OR group_id IS NULL), |
| 33 | CHECK((member_type = 'user' AND user_id IS NOT NULL) OR (member_type = 'group' AND group_id IS NOT NULL)), |
| 34 | UNIQUE (id, membership_type, member_type, user_id, group_id) |
| 35 | ); |