60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
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// This package parse a http request from datatables (jQuery plugin) to a friendly structure
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// More details in https://github.com/saulortega/datatables
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// import "github.com/saulortega/datatables"
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package datatables
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import (
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"encoding/json"
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"errors"
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"net/http"
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)
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type Response struct {
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Draw int `json:"draw"`
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RecordsTotal int `json:"recordsTotal"`
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RecordsFiltered int `json:"recordsFiltered"`
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Data interface{} `json:"data"`
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Error error `json:"error,omitempty"`
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}
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func (r *Response) Check() error {
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var err error
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if r.Data == nil || r.RecordsFiltered == 0 {
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r.Data = []string{} //Vacío, no nulo
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}
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if r.RecordsFiltered > r.RecordsTotal {
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err = errors.New("wrong filtered or total records")
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}
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return err
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}
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func (r *Response) WriteResponseOnSuccess(w http.ResponseWriter) error {
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err := r.Check()
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if err != nil {
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return err
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}
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RJSON, err := json.Marshal(r)
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if err != nil {
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return err
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}
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w.WriteHeader(http.StatusOK)
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w.Write(RJSON)
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return nil
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}
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func (r *Response) WriteResponse(w http.ResponseWriter) error {
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err := r.WriteResponseOnSuccess(w)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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}
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return err
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}
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