Initial schema.

service/README.md

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+## Database
+
+Uses [db-migrate][http://db-migrate.readthedocs.org/en/latest/] to manage
+database migrations. Migration scripts live if `src/main/db`.
+
+Database environment configuration lives in `database.json`. 
+
+To initialize a new database do:
+
+    db-migrate -m src/main/db up

service/database.json

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+{
+  "defaultEnv": "dev",
+  "sql-file": true,
+  "dev": "postgres://jonathan@localhost/wdiwtlt"
+}

service/src/main/db/20151209054632-initial-schema.js

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+var dbm = global.dbm || require('db-migrate');
+var type = dbm.dataType;
+var fs = require('fs');
+var path = require('path');
+
+exports.up = function(db, callback) {
+  var filePath = path.join(__dirname + '/sqls/20151209054632-initial-schema-up.sql');
+  fs.readFile(filePath, {encoding: 'utf-8'}, function(err,data){
+    if (err) return callback(err);
+      console.log('received data: ' + data);
+
+    db.runSql(data, function(err) {
+      if (err) return callback(err);
+      callback();
+    });
+  });
+};
+
+exports.down = function(db, callback) {
+  var filePath = path.join(__dirname + '/sqls/20151209054632-initial-schema-down.sql');
+  fs.readFile(filePath, {encoding: 'utf-8'}, function(err,data){
+    if (err) return callback(err);
+      console.log('received data: ' + data);
+
+    db.runSql(data, function(err) {
+      if (err) return callback(err);
+      callback();
+    });
+  });
+};

service/src/main/db/sqls/20151209054632-initial-schema-down.sql

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+DROP TABLE artists_albums;
+DROP TABLE albums_images;
+DROP TABLE artists_images;
+DROP TABLE albums;
+DROP TABLE artists;
+DROP TABLE media_files_tags;
+DROP TABLE bookmarks;
+DROP TABLE playlists;
+DROP TABLE tags;
+DROP TABLE media_files;

service/src/main/db/sqls/20151209054632-initial-schema-up.sql

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+CREATE TABLE media_files (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR NOT NULL,
+  artist_id INTEGER,
+  album_id INTEGER,
+  play_count INTEGER NOT NULL DEFAULT 0,
+  comment VARCHAR DEFAULT ''
+);
+
+CREATE TABLE tags (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR UNIQUE NOT NULL
+);
+
+CREATE TABLE playlists (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR NOT NULL,
+  media_file_ids INTEGER[] NOT NULL
+);
+
+CREATE TABLE bookmarks (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR,
+  playlist_id INTEGER NOT NULL,
+  media_file_id INTEGER NOT NULL,
+  play_index INTEGER NOT NULL,
+  FOREIGN KEY (playlist_id) REFERENCES playlists(id),
+  FOREIGN KEY (media_file_id) REFERENCES media_files(id)
+);
+
+CREATE TABLE media_files_tags (
+  id SERIAL PRIMARY KEY,
+  media_file_id INTEGER,
+  tag_id INTEGER,
+  FOREIGN KEY (media_file_id) REFERENCES media_files(id),
+  FOREIGN KEY (tag_id) REFERENCES tags(id)
+);
+
+CREATE TABLE artists (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR NOT NULL
+);
+
+CREATE TABLE albums (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR NOT NULL,
+  year INTEGER
+);
+
+CREATE TABLE images (
+  id SERIAL PRIMARY KEY,
+  url VARCHAR
+);
+
+CREATE TABLE artists_images (
+  id SERIAL PRIMARY KEY,
+  artist_id INTEGER,
+  image_id INTEGER,
+  FOREIGN KEY (artist_id) REFERENCES artists (id),
+  FOREIGN KEY (image_id) REFERENCES images (id)
+);
+
+CREATE TABLE albums_images (
+  id SERIAL PRIMARY KEY,
+  album_id INTEGER,
+  image_id INTEGER,
+  FOREIGN KEY (album_id) REFERENCES albums (id),
+  FOREIGN KEY (image_id) REFERENCES images (id)
+);
+
+CREATE TABLE artists_albums (
+  artist_id INTEGER NOT NULL,
+  album_id INTEGER NOT NULL,
+  PRIMARY KEY (artist_id, album_id),
+  FOREIGN KEY (artist_id) REFERENCES artists (id),
+  FOREIGN KEY (album_id) REFERENCES albums (id)
+);