feat: add initial migration

db/migrations/20240329172935_init.up.sql

@@ -0,0 +1,50 @@
+BEGIN;
+
+CREATE SCHEMA IF NOT EXISTS training;
+
+CREATE TABLE IF NOT EXISTS training.trainings (
+  id          UUID PRIMARY KEY,
+  name        varchar(255) NOT NULL,
+  description text NOT NULL,
+  days        smallint NOT NULL,
+  price       decimal NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS training.dates (
+  id          UUID PRIMARY KEY,
+  training_id UUID NOT NULL,
+  date        date NOT NULL,
+  start_time  time NOT NULL,
+  days        smallint NOT NULL,
+  price       decimal NOT NULL,
+  is_online   boolean NOT NULL,
+  location    varchar(255) NOT NULL,
+  address     varchar(255) NOT NULL,
+  capacity    smallint NOT NULL,
+  FOREIGN KEY (training_id) REFERENCES training.trainings(id)
+);
+
+CREATE TABLE IF NOT EXISTS training.attendees (
+  id            UUID PRIMARY KEY,
+  date_id       UUID NOT NULL,
+  name          varchar(255) NOT NULL,
+  email         varchar(255) NOT NULL,
+  company       varchar(255) NOT NULL,
+  role          varchar(255) NOT NULL,
+  is_student    boolean NOT NULL,
+  has_attended  boolean NOT NULL,
+  has_paid      boolean NOT NULL,
+  FOREIGN KEY (date_id) REFERENCES training.dates(id)
+);
+
+CREATE TABLE IF NOT EXISTS training.feedback (
+  id                  UUID PRIMARY KEY,
+  attendee_id         UUID NOT NULL,
+  rating              smallint NOT NULL,
+  comment             text NOT NULL,
+  is_anonymous        boolean NOT NULL,
+  is_sharing_allowed  boolean NOT NULL,
+  FOREIGN KEY (attendee_id) REFERENCES training.attendees(id)
+);
+
+COMMIT;