Added a initial database model

server/.gitignore

@@ -10,3 +10,7 @@
 # production
 /build
 
+# database
+*.db
+*.sqlite3
+

server/knexfile.ts

+
+module.exports = {
+    development: {
+        client: "sqlite3",
+        connection: {
+            filename: "./dev.sqlite3"
+        }
+    },
+    staging: {
+        client: "postgresql",
+        connection: {
+            database: "my_db",
+            user: "username",
+            password: "password"
+        },
+        pool: {
+            min: 2,
+            max: 10
+        },
+        migrations: {
+            tableName: "knex_migrations"
+        }
+    },
+    production: {
+        client: "postgresql",
+        connection: {
+            database: "my_db",
+            user: "username",
+            password: "password"
+        },
+        pool: {
+            min: 2,
+            max: 10
+        },
+        migrations: {
+            tableName: "knex_migrations"
+        }
+    }
+};
+

server/migrations/0000_initial.ts

+
+import { Knex } from "knex";
+
+export async function up(database: Knex): Promise<void> {
+    return database.schema
+        .createTable('users', table => {
+            table.uuid('id').notNullable().primary();
+            table.string('user_name').unique().notNullable();
+            table.string('passwd_hash', 60).notNullable();
+            table.text('email');
+            table.text('real_name');
+        })
+        .createTable('teams', table => {
+            table.uuid('id').notNullable().primary();
+            table.text('name').notNullable();
+        })
+        .createTable('team_members', table => {
+            table.uuid('user_id').notNullable().references('users.id');
+            table.uuid('team_id').notNullable().references('teams.id');
+            table.primary(['user_id', 'team_id']);
+            table.uuid('role_id').notNullable().references('roles.id');
+        })
+        .createTable('roles', table => {
+            table.uuid('id').notNullable().primary();
+            table.uuid('team_id').notNullable().references('teams.id');
+            table.text('name').notNullable();
+        })
+        .createTable('projects', table => {
+            table.uuid('id').notNullable().primary();
+            table.text('name').notNullable();
+        })
+        .createTable('team_projects', table => {
+            table.uuid('project_id').notNullable().references('projects.id');
+            table.uuid('team_id').notNullable().references('teams.id');
+            table.primary(['project_id', 'team_id']);
+        })
+        .createTable('tasks', table => {
+            table.uuid('id').notNullable().primary();
+            table.uuid('project_id').notNullable().references('projects.id');
+            table.text('name').notNullable();
+            table.text('text').notNullable();
+            table.enum('status', [ 'open', 'closed', 'suspended' ]).notNullable();
+        })
+        .createTable('task_requirements', table => {
+            table.uuid('task_id').notNullable().references('tasks.id');
+            table.uuid('role_id').notNullable().references('users.id');
+            table.primary(['task_id', 'role_id']);
+            table.integer('time').notNullable();
+        })
+        .createTable('task_assignees', table => {
+            table.uuid('user_id').notNullable().references('users.id');
+            table.uuid('task_id').notNullable().references('tasks.id');
+            table.primary(['user_id', 'task_id']);
+            table.integer('time').notNullable();
+            table.boolean('assigned').notNullable();
+            table.boolean('working').notNullable();
+        })
+        .createTable('comments', table => {
+            table.uuid('id').notNullable().primary();
+            table.uuid('task_id').notNullable().references('tasks.id');
+            table.uuid('user_id').notNullable().references('users.id');
+            table.text('text').notNullable();
+        });
+}
+
+export async function down(database: Knex): Promise<void> {
+    return database.schema
+        .dropTable('comments')
+        .dropTable('task_assignees')
+        .dropTable('task_requirements')
+        .dropTable('tasks')
+        .dropTable('team_projects')
+        .dropTable('projects')
+        .dropTable('roles')
+        .dropTable('team_members')
+        .dropTable('teams')
+        .dropTable('users');
+}
+

server/package.json

@@ -8,7 +8,10 @@
     "private": true,
     "main": "src/index.ts",
     "dependencies": {
-        "express": "^4.17.1"
+        "express": "^4.17.1",
+        "knex": "^0.95.4",
+        "sqlite3": "^5.0.2",
+        "uuid": "^8.3.2"
     },
     "scripts": {
         "start": "nodemon src/index.ts",

server/src/database.ts

+
+import knex from 'knex';
+
+const database = knex({
+    client: 'sqlite3',
+    connection: {
+        filename: './database.db'
+    }
+});
+database.migrate.latest();
+
+export default function getDatabase() {
+    return database;
+}
+