madbean / cqrs-es-todo

Todo-App

Write side

interface graphql

• todo-graphql

  • post /todos
  • put /todos/:id
  • put /todos/:id/title
  • put /todos/:id/description
  • put /todos/:id/state
  • delete /todos/:id

• global Types :

  • ActionResultEvent: { todoId: number, success: bool, errorMessage: string, status: number, }

• func createTodo(TodoInput payload)

  • TodoInput: { ownerId: number todoId: number, title: string, description: string, state: string, }
  • resolver: { const createTodoCommand = { userId: number, todo: { ...payload, timestamp }, }; publish('/createTodo', createTodoCommand); }

• func updateTodo(TodoUpdateInput payload)

  • TodoUpdateInput: { todoId: number, title: string, description: string, state: string, }
  • resolver: { const updateTodoCommand = { userId: number, todo: { ...payload, timestamp }, }; publish('/updateTodo', updateTodoCommand); }

• func updateTodoTitle(TodoTitleInput payload)

  • TodoTitleInput: { todoId: number, title: string, }
  • resolver: { const updateTodoTitleCommand = { userId: number, todo: { ...payload, timestamp }, }; publish('/updateTodoTitle', updateTodoTitleCommand); }

• func updateTodoDescription(TodoDescriptionInput payload)

  • TodoDescriptionInput: { todoId: number, description: string, }
  • resolver: { const updateTodoDescriptionCommand = { userId: number, todo: { ...payload, timestamp }, }; publish('/updateTodoDescription', updateTodoDescriptionCommand); }

• func updateTodoState(TodoStateInput payload)

  • TodoStateInput: { todoId: number, state: string, }
  • resolver: { const updateTodoStateCommand = { userId: number, todo: { ...payload, timestamp }, }; publish('/updateTodoState', updateTodoStateCommand); }

• func deleteTodo(number todoId)

  • resolver: { const deleteTodoCommand = { userId: number, todo: { todoId, timestamp }, }; publish('/deleteTodo', deleteTodoCommand); }

Read Side

interface graphql

• todo-graphql

  • get /todos/:id
  • get /todos

• func getTodo(number todoId) : Todo

  • Todo: { ownerId: number todoId: number, title: string, description: string, state: string, creationDate: date, lastUpdateDate: date, }
  • resolver: { todoService.getTodo(number todoId) : Todo }

• func getTodos() : [TodoLine]

  • TodoLine: { ownerId: number todoId: number, title: string, state: string, }
  • resolver: { todoService.getTodos() : [Todo] }

Architecture

• domain
  • entities
    • todo
      • createTodo
      • updateTodo
      • updateTodoTitle
      • updateTodoDescription
      • updateTodoState
      • deleteTodo
  • todoReducer
    • switch(type):
      • todoCreated
      • titleUpdated
      • descriptionUpdated
      • stateUpdated
      • todoDeleted
  • todoRepository
    • getById: ownerId => db.loadEvents(ownerId).then(history => ({ todoState: reduceToTodo(history), save: events => db.append(ownerId, history.length, events) })),
    • create: ownerId => ({ save: events => db.append(ownerId, 0, events) })
  • types
    • command //=> io-ts check graphql-input
    • model //=> graphql-type
    • events
      • createTodo: [todoCreated, titleUpdated, descriptionUpdated]
        • todoCreated: { aggregateId: number, version: number, id: guid, type: 'todoCreated', payload: { ownerId: number, todoId: number, dateCreation: timestamp, }, }
        • titleUpdated: { aggregateId: number, version: number, id: guid, type: 'titleUpdated', payload: { todoId: number, title: string, }, }
        • descriptionUpdated: { aggregateId: number, version: number, id: guid, type: 'descriptionUpdated', payload: { todoId: number, description: string, }, }
      • updateTodo : [titleUpdated, descriptionUpdated, stateUpdated]
        • stateUpdated: { aggregateId: number, version: number, id: guid, type: 'stateUpdated', payload: { todoId: number, state: string, }, }
      • updateTodoTitle : [titleUpdated]
      • updateTodoDescription : [descriptionUpdated]
      • updateTodoState : [stateUpdated]
      • deleteTodo : [todoDeleted]
        • todoDeleted: { aggregateId: number, version: number, id: guid, type: 'todoDeleted', payload: { todoId: number, state: string, }, }

Func command