Add server

musicus_server/migrations/00000000000000_diesel_initial_setup/down.sql

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+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();

musicus_server/migrations/00000000000000_diesel_initial_setup/up.sql

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+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;

musicus_server/migrations/2020-11-09-153819_initial_schema/down.sql

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+DROP TABLE performances;
+
+DROP TABLE recordings;
+
+DROP TABLE ensembles;
+
+DROP TABLE work_sections;
+
+DROP TABLE work_parts;
+
+DROP TABLE instrumentations;
+
+DROP TABLE works;
+
+DROP TABLE instruments;
+
+DROP TABLE persons;
+
+DROP TABLE users;

musicus_server/migrations/2020-11-09-153819_initial_schema/up.sql

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+CREATE TABLE users (
+    username TEXT NOT NULL PRIMARY KEY,
+    password_hash TEXT NOT NULL,
+    email TEXT,
+    is_admin BOOLEAN NOT NULL DEFAULT FALSE,
+    is_editor BOOLEAN NOT NULL DEFAULT FALSE,
+    is_banned BOOLEAN NOT NULL DEFAULT FALSE
+);
+
+CREATE TABLE persons (
+    id BIGINT NOT NULL PRIMARY KEY,
+    first_name TEXT NOT NULL,
+    last_name TEXT NOT NULL,
+    created_by TEXT NOT NULL REFERENCES users(username)
+);
+
+CREATE TABLE instruments (
+    id BIGINT NOT NULL PRIMARY KEY,
+    name TEXT NOT NULL,
+    created_by TEXT NOT NULL REFERENCES users(username)
+);
+
+CREATE TABLE works (
+    id BIGINT NOT NULL PRIMARY KEY,
+    composer BIGINT NOT NULL REFERENCES persons(id),
+    title TEXT NOT NULL,
+    created_by TEXT NOT NULL REFERENCES users(username)
+);
+
+CREATE TABLE instrumentations (
+    id BIGINT NOT NULL PRIMARY KEY,
+    work BIGINT NOT NULL REFERENCES works(id) ON DELETE CASCADE,
+    instrument BIGINT NOT NULL REFERENCES instruments(id) ON DELETE CASCADE
+);
+
+CREATE TABLE work_parts (
+    id BIGINT NOT NULL PRIMARY KEY,
+    work BIGINT NOT NULL REFERENCES works(id) ON DELETE CASCADE,
+    part_index BIGINT NOT NULL,
+    title TEXT NOT NULL,
+    composer BIGINT REFERENCES persons(id)
+);
+
+CREATE TABLE work_sections (
+    id BIGINT NOT NULL PRIMARY KEY,
+    work BIGINT NOT NULL REFERENCES works(id) ON DELETE CASCADE,
+    title TEXT NOT NULL,
+    before_index BIGINT NOT NULL
+);
+
+CREATE TABLE ensembles (
+    id BIGINT NOT NULL PRIMARY KEY,
+    name TEXT NOT NULL,
+    created_by TEXT NOT NULL REFERENCES users(username)
+);
+
+CREATE TABLE recordings (
+    id BIGINT NOT NULL PRIMARY KEY,
+    work BIGINT NOT NULL REFERENCES works(id),
+    comment TEXT NOT NULL,
+    created_by TEXT NOT NULL REFERENCES users(username)
+);
+
+CREATE TABLE performances (
+    id BIGINT NOT NULL PRIMARY KEY,
+    recording BIGINT NOT NULL REFERENCES recordings(id) ON DELETE CASCADE,
+    person BIGINT REFERENCES persons(id),
+    ensemble BIGINT REFERENCES ensembles(id),
+    role BIGINT REFERENCES instruments(id)
+);