feat(auth): Initial Investigation

.run/start - auth.run.xml

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+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="start - auth" type="js.build_tools.npm">
+    <package-json value="$PROJECT_DIR$/examples/package.json" />
+    <command value="run" />
+    <scripts>
+      <script value="start" />
+    </scripts>
+    <arguments value="-- auth" />
+    <node-interpreter value="project" />
+    <envs />
+    <method v="2" />
+  </configuration>
+</component>

examples/auth/e2e/fixtures.ts

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+import { Connection } from 'typeorm';
+import { SubTaskEntity } from '../src/sub-task/sub-task.entity';
+import { TagEntity } from '../src/tag/tag.entity';
+import { TodoItemEntity } from '../src/todo-item/todo-item.entity';
+import { executeTruncate } from '../../helpers';
+import { UserEntity } from '../src/user/user.entity';
+
+const tables = ['todo_item', 'sub_task', 'tag', 'user'];
+export const truncate = async (connection: Connection): Promise<void> => executeTruncate(connection, tables);
+
+export const refresh = async (connection: Connection): Promise<void> => {
+  await truncate(connection);
+
+  const userRepo = connection.getRepository(UserEntity);
+  const todoRepo = connection.getRepository(TodoItemEntity);
+  const subTaskRepo = connection.getRepository(SubTaskEntity);
+  const tagsRepo = connection.getRepository(TagEntity);
+
+  const users = await userRepo.save([
+    { username: 'nestjs-query', password: '123' },
+    { username: 'nestjs-query-2', password: '123' },
+    { username: 'nestjs-query-3', password: '123' },
+  ]);
+
+  const urgentTag = await tagsRepo.save({ name: 'Urgent' });
+  const homeTag = await tagsRepo.save({ name: 'Home' });
+  const workTag = await tagsRepo.save({ name: 'Work' });
+  const questionTag = await tagsRepo.save({ name: 'Question' });
+  const blockedTag = await tagsRepo.save({ name: 'Blocked' });
+
+  const todoItems: TodoItemEntity[] = await users.reduce(async (prev, user) => {
+    const allTodos = await prev;
+    const userTodos = await todoRepo.save([
+      { title: 'Create Nest App', completed: true, priority: 0, tags: [urgentTag, homeTag], owner: user },
+      { title: 'Create Entity', completed: false, priority: 1, tags: [urgentTag, workTag], owner: user },
+      { title: 'Create Entity Service', completed: false, priority: 2, tags: [blockedTag, workTag], owner: user },
+      { title: 'Add Todo Item Resolver', completed: false, priority: 3, tags: [blockedTag, homeTag], owner: user },
+      {
+        title: 'How to create item With Sub Tasks',
+        completed: false,
+        priority: 4,
+        tags: [questionTag, blockedTag],
+        owner: user,
+      },
+    ]);
+    return [...allTodos, ...userTodos];
+  }, Promise.resolve([] as TodoItemEntity[]));
+
+  await subTaskRepo.save(
+    todoItems.reduce((subTasks, todo) => {
+      return [
+        ...subTasks,
+        { completed: true, title: `${todo.title} - Sub Task 1`, todoItem: todo },
+        { completed: false, title: `${todo.title} - Sub Task 2`, todoItem: todo },
+        { completed: false, title: `${todo.title} - Sub Task 3`, todoItem: todo },
+      ];
+    }, [] as Partial<SubTaskEntity>[]),
+  );
+};

examples/auth/e2e/graphql-fragments.ts

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+export const todoItemFields = `
+    id
+    title
+    completed
+    description
+    age
+  `;
+
+export const subTaskFields = `
+id
+title
+description
+completed
+todoItemId
+`;
+
+export const tagFields = `
+id
+name
+`;
+
+export const pageInfoField = `
+pageInfo{
+  hasNextPage
+  hasPreviousPage
+  startCursor
+  endCursor
+}
+`;
+
+export const edgeNodes = (fields: string): string => {
+  return `
+  edges {
+    node{
+      ${fields}    
+    }
+    cursor
+  }  
+  `;
+};
+
+export const todoItemAggregateFields = `
+count {
+  id
+  title
+  description
+  completed
+  created
+  updated
+}
+sum {
+  id
+}
+avg {
+  id
+}
+min {
+  id
+  title
+  description
+}
+max {
+  id
+  title
+  description
+}    
+`;
+
+export const tagAggregateFields = `
+count {
+  id
+  name
+  created
+  updated
+}
+sum {
+  id
+}
+avg {
+  id
+}
+min {
+  id
+  name
+}
+max {
+  id
+  name
+}
+`;
+
+export const subTaskAggregateFields = `
+count {
+  id
+  title
+  description
+  completed
+  todoItemId
+}
+sum {
+  id      
+}
+avg {
+  id
+}
+min {
+  id
+  title
+  description      
+  todoItemId
+}
+max {
+  id
+  title
+  description    
+  todoItemId
+}
+`;