subtree(users/wpcarro): docking briefcase at '24f5a642'

git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789

users/wpcarro/assessments/tt/src/init.sql

@@ -0,0 +1,67 @@
+-- Run `.read init.sql` from within a SQLite3 REPL to initialize the tables we
+-- need for this application. This will erase all current entries, so use with
+-- caution.
+-- Make sure to set `PRAGMA foreign_keys = on;` when transacting with the
+-- database.
+
+BEGIN TRANSACTION;
+
+DROP TABLE IF EXISTS Accounts;
+DROP TABLE IF EXISTS Trips;
+DROP TABLE IF EXISTS Sessions;
+DROP TABLE IF EXISTS LoginAttempts;
+DROP TABLE IF EXISTS PendingAccounts;
+DROP TABLE IF EXISTS Invitations;
+
+CREATE TABLE Accounts (
+  username TEXT CHECK(LENGTH(username) > 0) NOT NULL,
+  password TEXT CHECK(LENGTH(password) > 0) NOT NULL,
+  email TEXT CHECK(LENGTH(email) > 0) NOT NULL UNIQUE,
+  role TEXT CHECK(role IN ('user', 'manager', 'admin')) NOT NULL,
+  profilePicture BLOB,
+  PRIMARY KEY (username)
+);
+
+CREATE TABLE Trips (
+  username TEXT NOT NULL,
+  destination TEXT CHECK(LENGTH(destination) > 0) NOT NULL,
+  startDate TEXT CHECK(LENGTH(startDate) == 10) NOT NULL, -- 'YYYY-MM-DD'
+  endDate TEXT CHECK(LENGTH(endDate) == 10) NOT NULL, -- 'YYYY-MM-DD'
+  comment TEXT NOT NULL,
+  PRIMARY KEY (username, destination, startDate),
+  FOREIGN KEY (username) REFERENCES Accounts ON DELETE CASCADE
+);
+
+CREATE TABLE Sessions (
+  uuid TEXT CHECK(LENGTH(uuid) == 36) NOT NULL,
+  username TEXT NOT NULL UNIQUE,
+  -- TODO(wpcarro): Add a LENGTH CHECK here
+  tsCreated TEXT NOT NULL, -- 'YYYY-MM-DD HH:MM:SS'
+  PRIMARY KEY (uuid),
+  FOREIGN KEY (username) REFERENCES Accounts ON DELETE CASCADE
+);
+
+CREATE TABLE LoginAttempts (
+  username TEXT NOT NULL UNIQUE,
+  numAttempts INTEGER NOT NULL,
+  PRIMARY KEY (username),
+  FOREIGN KEY (username) REFERENCES Accounts ON DELETE CASCADE
+);
+
+CREATE TABLE PendingAccounts (
+  secret TEXT CHECK(LENGTH(secret) == 36) NOT NULL,
+  username TEXT CHECK(LENGTH(username) > 0) NOT NULL,
+  password TEXT CHECK(LENGTH(password) > 0) NOT NULL,
+  role TEXT CHECK(role IN ('user', 'manager', 'admin')) NOT NULL,
+  email TEXT CHECK(LENGTH(email) > 0) NOT NULL UNIQUE,
+  PRIMARY KEY (username)
+);
+
+CREATE TABLE Invitations (
+  email TEXT CHECK(LENGTH(email) > 0) NOT NULL UNIQUE,
+  role TEXT CHECK(role IN ('user', 'manager', 'admin')) NOT NULL,
+  secret TEXT CHECK(LENGTH(secret) == 36) NOT NULL,
+  PRIMARY KEY (email)
+);
+
+COMMIT;