> On 16 Nov 2020, at 16.24, Afriyie Abraham Kwabena <afriyie.abra...@gmail.com>
> wrote:
>
> Hi ,
>
> You are right but am new to programming and currently this what i have done.
> I have an http server handler that receives the PATCH request and stores the
> id and the current time stamp of the request.
> But my problem is how to write the worker function to do the clean up every X
> seconds.
>
> Code:
> func UpdateData(response http.ResponseWriter, request *http.Request) {
>
> var (
> localVarHTTPMethod = http.MethodPatch
> patchItems model.PatchItem
> )
>
> id := config.GetIdFromRequest(request)
>
> if request.Method == localVarHTTPMethod {
>
> err := json.NewDecoder(request.Body).Decode(&patchItems)
> if err != nil {
> common.WriteError(response, common.ErrBadRequest)
> return
> }
>
> defer request.Body.Close()
>
> var idtime = make(map[string]string)
>
> delete(idtime, id) // delete if already exist
> idtime[id] = time.Now() // store id and time stamp in map
You should store idtime inside the server/service type (the one that have HTTP
handlers). For example,
----
type Server struct {
idtime map[string]string
}
func (my *Server) UpdateData(...) {
...
my.idtime[id] = time.Now()
...
}
----
>
> // how do i write a worker to the clean up after every X seconds?
>
Create a function that loop forever and loop the map to check the time, then
run the function using goroutine before you start your HTTP server.
> } else {
> common.WriteError(response, common.ErrMethodNotAllowed)
> return
> }
> }
>
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