Yotas Migrations (#15)

* feat(backend): writing migrations

* feat(backend): migrations - Updates fields

* feat(backend): [2]migrations - Updates fields

* fix(backend): Applying PR-updates from comments

* fix(backend): [2]Applying PR-updates from comments

* fix(backend): [3]Applying PR-updates from comments

backend/.gitignore

@@ -0,0 +1,3 @@
+.history
+dist
+build

backend/migrations/001_initial.sql

@@ -0,0 +1,145 @@
+-- +goose Up
+
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS organisations (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    `name` VARCHAR(150),
+    email VARCHAR(150) NOT NULL,
+    github_id VARCHAR(150) NOT NULL,
+    avatar_url VARCHAR(300),
+    web_site VARCHAR(300),
+    `description` VARCHAR(300),
+
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+
+    UNIQUE(email, github_id),
+    PRIMARY KEY(Id)
+);
+
+CREATE TABLE IF NOT EXISTS users (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    `name` VARCHAR(150),
+    email VARCHAR(150) NOT NULL,
+    github_id VARCHAR(150) NOT NULL,
+    avatar_url VARCHAR(300),
+
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+
+    UNIQUE(email, github_id),
+    PRIMARY KEY(Id)
+);
+
+CREATE TABLE IF NOT EXISTS wallets (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    wallet_id VARCHAR(300) NOT NULL,
+    user_id   INT NOT NULL,
+    organisation_id   INT NOT NULL,
+    balance INT NOT NULL,
+
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+
+    UNIQUE(id, wallet_id),
+    PRIMARY KEY(Id),
+    FOREIGN KEY (user_id) REFERENCES Users(user_id),
+    FOREIGN KEY (organisation_id) REFERENCES Organisations(organisation_id)
+);
+
+CREATE TABLE IF NOT EXISTS articles (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    `name` VARCHAR(150),
+    `description` TEXT,
+    quantity INTEGER,
+    price INT NOT NULL,
+    metadata TEXT,
+
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+
+    UNIQUE(id),
+    PRIMARY KEY(Id)
+);
+
+CREATE TABLE IF NOT EXISTS orders (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    wallet_id VARCHAR(300),
+    article_id INT NOT NULL,
+    quantity INTEGER,
+
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+
+    UNIQUE(id),
+    PRIMARY KEY(Id),
+    FOREIGN KEY (wallet_id) REFERENCES Wallets(wallet_id),
+    FOREIGN KEY (article_id) REFERENCES Articles(article_id)
+);
+
+CREATE TABLE IF NOT EXISTS organisations_articles (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    organisation_id INT NOT NULL,
+    article_id INT NOT NULL,
+
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+
+    UNIQUE(id),
+    PRIMARY KEY(Id),
+    FOREIGN KEY (organisation_id) REFERENCES Organisations(organisation_id),
+    FOREIGN KEY (article_id) REFERENCES Articles(article_id)
+);
+
+CREATE TABLE IF NOT EXISTS organisations_users (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    organisation_id INT NOT NULL,
+    user_id INT NOT NULL,
+    active BOOLEAN,
+
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+
+    UNIQUE(id),
+    PRIMARY KEY(Id),
+    FOREIGN KEY (organisation_id) REFERENCES Organisations(organisation_id),
+    FOREIGN KEY (user_id) REFERENCES Users(user_id)
+);
+
+CREATE TABLE IF NOT EXISTS operations (
+    id INT NOT NULL AUTO_INCREMENT,
+
+    amount INT NOT NULL,
+    wallet_id VARCHAR(300),
+    operation_type ENUM ('buy','receive'),
+    approuved BOOLEAN,
+    operation_hash TEXT,
+
+    created_at TIMESTAMP,
+
+    UNIQUE(operation_hash),
+    PRIMARY KEY(Id)
+    FOREIGN KEY (wallet_id) REFERENCES Wallets(wallet_id),
+);
+
+-- +goose StatementEnd
+
+-- +goose Down
+
+-- +goose StatementBegin
+DROP TABLE organisations;
+DROP TABLE users;
+DROP TABLE wallets;
+DROP TABLE articles;
+DROP TABLE orders;
+DROP TABLE organisations_articles;
+DROP TABLE organisations_users;
+DROP TABLE operations;
+-- +goose StatementEnd