// DBML source code of the database
// Use https://dbdiagram.io to visualize it

Project meeting_planner {
database_type: 'PostgreSQL'
}

Table account as A {
  id int [pk, unique, increment] // auto-increment, uuid
  username string
  email string
  password string
  timezone string
  earliest_time string
  latest_time string
  created_at datetime [default: `now()`]
  updated_at datetime [default: `now()`]
}

Table meeting as M {
  id uuid [pk, unique]
  title string
  description string
  start_time datetime
  duration int
  status status
  password string
  created_at datetime [default: `now()`]
  updated_at datetime [default: `now()`]
}

Table participant as P {
  account_id int [ref: > A.id]
  meeting_id uuid [ref: > M.id]
  quorum boolean
  mandatory boolean
  host boolean
  answered boolean
  created_at datetime [default: `now()`]
  updated_at datetime [default: `now()`]
  
  indexes {
    (account_id, meeting_id) [pk] // composite primary key
  }
}

Table possible_date as D {
  id int [pk, increment, unique]
  meeting_id string [ref: > M.id]
  possible_date string
  created_at datetime [default: `now()`]
}

Table availability {
  id int [pk, increment, unique]
  account_id participant_id [ref: > P.account_id]
  meeting_id participant_id [ref: > P.meeting_id]
  possible_date_id int [ref: > D.id]
  preference availability_preference
  start_time datetime
  end_time datetime
  created_at datetime [default: `now()`]
}

Enum status {
  0_proposed
  1_confirmed
}

Enum availability_preference {
  0_yes
  1_ideal
}