sergeanthoma / java-filmorate

Template repository for Filmorate project.

java-filmorate

Репозиторий для проекта Filmorate.

Схема базы данных

https://dbdiagram.io/d/66cd4a9f3f611e76e99165ef

---

CREATE TABLE "genre" (
  "film_id" int PRIMARY KEY,
  "name" varchar
);

CREATE TABLE "film_genre" (
  "film_id" bigint,
  "genre_id" bigint,
  PRIMARY KEY ("film_id", "genre_id")
);

CREATE TABLE "users" (
  "film_id" bigint PRIMARY KEY,
  "name" varchar,
  "login" varchar,
  "email" varchar,
  "birthday" data
);

CREATE TABLE "likes" (
  "film_id" bigint,
  "user_id" bigint,
  PRIMARY KEY ("film_id", "user_id")
);

CREATE TABLE "mpa" (
  "film_id" int PRIMARY KEY,
  "name" varchar
);

CREATE TABLE "friends" (
  "user_id" bigint,
  "user_friend_id" bigint,
  "status" bool,
  PRIMARY KEY ("user_id", "user_friend_id")
);

CREATE TABLE "films" (
  "film_id" bigint PRIMARY KEY,
  "name" varchar,
  "description" varchar,
  "release_date" date,
  "duration" int,
  "mpa_id" int
);

ALTER TABLE "film_genre" ADD FOREIGN KEY ("genre_id") REFERENCES "genre" ("film_id");

ALTER TABLE "film_genre" ADD FOREIGN KEY ("film_id") REFERENCES "films" ("film_id");

ALTER TABLE "films" ADD FOREIGN KEY ("mpa_id") REFERENCES "mpa" ("film_id");

ALTER TABLE "likes" ADD FOREIGN KEY ("film_id") REFERENCES "films" ("film_id");

ALTER TABLE "likes" ADD FOREIGN KEY ("user_id") REFERENCES "users" ("film_id");

ALTER TABLE "friends" ADD FOREIGN KEY ("user_friend_id") REFERENCES "users" ("film_id");

ALTER TABLE "friends" ADD FOREIGN KEY ("user_id") REFERENCES "users" ("film_id");

Пример использования запроса

Получение списка самых популярных фильмов:

SELECT f.* FROM films f 
JOIN likes l ON f.ID = l.film_id 
GROUP BY f.id 
ORDER BY COUNT(l.user_id) DESC"

java-filmorate's Issues

тесты противоречат гитигнору

if [[ "$FILENAMES" =~ ".class" ]] [[ "$FILENAMES" =~ ".jar" ]] [[ "$FILENAMES" =~ "mvn" ]] [[ "$FILENAMES" =~ ".DS_Store" ]] \ [[ "$FILENAMES" =~ ".idea" ]] [[ "$FILENAMES" =~ ".iws" ]] [[ "$FILENAMES" =~ ".iml" ]] [[ "$FILENAMES" =~ ".ipr" ]] \ [[ "$FILENAMES" =~ ".db" ]] [[ "$FILENAMES" =~ ".log" ]] [[ "$FILENAMES" =~ "out/" ]] [[ "$FILENAMES" =~ "target/" ]] then echo "The pull request contains the binary files. Remove them (*.class, *.jar, *.DS_Store ...) from PR" echo "Pull request содержит двоичные файлы. Удалите их (*.class, *.jar, *.DS_Store ...) из PR" exit -3

против

!.mvn/wrapper/maven-wrapper.jar