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Todo App

This is a simple todo app built using Go. It uses the Gorilla mux router and Gorm ORM.

Endpoints

The app has the following endpoints:

GET /todos

Returns a JSON array of all todos.

POST /todos

Creates a new todo. The todo data should be sent in the request body as JSON.

GET /todos/{id}

Returns the todo with the given ID.

PUT /todos/{id}

Updates the todo with the given ID. The new todo data should be sent in the request body as JSON.

DELETE /todos/{id}

Deletes the todo with the given ID.

How the program works?

  1. create a todoModel struct
  2. create a todos slice of todoModel
  3. create a getTodos function
  4. create a createTodo function
  5. create a getTodo function
  6. create a updateTodo function
  7. create a deleteTodo function
  8. create a router
  9. create a main function
  10. create a db connection
  11. migrate the db
  12. run the server

Get Started!

  • set Environment variable:

export DATABASE_URL= < url >

Database url example:

postgres://username:password@localhost:5432/todo?sslmode=disable

Start The Server:

  • go run todo.go

or

  • ./bin/todo

Example:

  • curl -X POST -H "Content-Type: application/json" -d '{"title":"Buy milk","completed":false,"due":"0001-01-01T00:00:00Z"}' http://localhost:8000/todos

  • curl -X GET -H "Content-Type: application/json" http://localhost:8000/todos

  • curl -X GET -H "Content-Type: application/json" http://localhost:8000/todos/1

  • curl -X PUT -H "Content-Type: application/json" -d '{"title":"Buy milk","completed":true,"due":"0001-01-01T00:00:00Z"}' http://localhost:8000/todos/1

  • curl -X DELETE -H "Content-Type: application/json" http://localhost:8000/todos/1