Milkshakes!

An app to manage your recipes

Technical name: milkshakes-app

Notice! When launching the app (hosted by Heroku) for the first time, it may take a few (2 < n < 8) seconds to launch.

Live version: https://milkshakes-app.herokuapp.com/

This is a very simple app (application, program, software) that you can use to view and edit recipes of milkshakes. A milkshake consists of a name, description and a collection (array) of ingredients. An ingredient has a name and a type associated with it.

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Languages used: Java, HTML, CSS, JavaScript, SQL, XML

Technologies used: Maven, Spark, Thymeleaf, reCAPTCHA

Databases: SQLite (locally), PostgreSQL (online)

Services used: GitHub, Heroku

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The database tables are listed here.

For PostgreSQL, the column 'id' will be of type SERIAL. SQLite uses an INTEGER.

Table: Recipe

CREATE TABLE "Recipe" (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  name VARCHAR(32) CHECK(name <> "") NOT NULL UNIQUE,
  description VARCHAR(64) CHECK(description <> "") NOT NULL,
  isInitial BOOLEAN DEFAULT FALSE,
  createTime TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
  updateTime TIMESTAMP DEFAULT NULL
);

Table: Ingredient

CREATE TABLE "Ingredient" (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  name VARCHAR(32) CHECK(name <> "") NOT NULL UNIQUE,
  unit CHAR(1) NOT NULL,
  isInitial BOOLEAN DEFAULT FALSE,
  createTime TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
  updateTime TIMESTAMP DEFAULT NULL
);

Table: Recipe_Ingredient

CREATE TABLE "Recipe_Ingredient" (
  recipe_id INT,
  ingredient_id INT,
  step INT CHECK(step >= 1) NOT NULL,
  amount FLOAT(2) NOT NULL,
  instructions VARCHAR(32),
  isInitial BOOLEAN DEFAULT FALSE,
  createTime TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
  updateTime TIMESTAMP DEFAULT NULL,
  PRIMARY KEY ("recipe_id", "ingredient_id"),
  FOREIGN KEY ("recipe_id") REFERENCES "Recipe"("id"),
  FOREIGN KEY ("ingredient_id") REFERENCES "Ingredient"("id")
);