func (tr *TodoResource) PatchTodo(c *gin.Context) {
id, err := tr.getId(c)
if err != nil {
c.JSON(400, api.NewError("problem decoding id sent"))
return
}
// this is a hack because Gin falsely claims my unmarshalled obj is invalid.
// recovering from the panic and using my object that already has the json body bound to it.
var json []api.Patch
defer func() {
if r := recover(); r != nil {
if json[0].Op != "replace" && json[0].Path != "/status" {
c.JSON(400, api.NewError("PATCH support is limited and can only replace the /status path"))
return
}
var todo api.Todo
if tr.db.First(&todo, id).RecordNotFound() {
c.JSON(404, api.NewError("not found"))
} else {
todo.Status = json[0].Value
tr.db.Save(&todo)
c.JSON(200, todo)
}
}
}()
c.Bind(&json)
}
func (tr *TodoResource) UpdateTodo(c *gin.Context) {
id, err := tr.getId(c)
if err != nil {
c.JSON(400, api.NewError("problem decoding id sent"))
return
}
var todo api.Todo
if !c.Bind(&todo) {
c.JSON(400, api.NewError("problem decoding body"))
return
}
todo.Id = int32(id)
var existing api.Todo
if tr.db.First(&existing, id).RecordNotFound() {
c.JSON(404, api.NewError("not found"))
} else {
tr.db.Save(&todo)
c.JSON(200, todo)
}
}
func (tr *TodoResource) DeleteTodo(c *gin.Context) {
id, err := tr.getId(c)
if err != nil {
c.JSON(400, api.NewError("problem decoding id sent"))
return
}
var todo api.Todo
if tr.db.First(&todo, id).RecordNotFound() {
c.JSON(404, api.NewError("not found"))
} else {
tr.db.Delete(&todo)
c.Data(204, "application/json", make([]byte, 0))
}
}
func (tr *TodoResource) CreateTodo(c *gin.Context) {
var todo api.Todo
if !c.Bind(&todo) {
c.JSON(400, api.NewError("problem decoding body"))
return
}
todo.Status = api.TodoStatus
todo.Created = int32(time.Now().Unix())
tr.db.Save(&todo)
c.JSON(201, todo)
}
func (tr *TodoResource) GetTodo(c *gin.Context) {
id, err := tr.getId(c)
if err != nil {
c.JSON(400, api.NewError("problem decoding id sent"))
return
}
var todo api.Todo
if tr.db.First(&todo, id).RecordNotFound() {
c.JSON(404, gin.H{"error": "not found"})
} else {
c.JSON(200, todo)
}
}