/
csvResponse.go
84 lines (76 loc) · 2.52 KB
/
csvResponse.go
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// Copyright The Linux Foundation and each contributor to CommunityBridge.
// SPDX-License-Identifier: MIT
package events
import (
"bytes"
"fmt"
"net/http"
"github.com/communitybridge/easycla/cla-backend-go/utils"
"github.com/communitybridge/easycla/cla-backend-go/gen/v1/models"
log "github.com/communitybridge/easycla/cla-backend-go/logging"
"github.com/go-openapi/runtime"
"github.com/go-openapi/runtime/middleware"
)
// CSVEventsResponse creates a new response handler for CSV files
func CSVEventsResponse(filename string, events *models.EventList) middleware.Responder {
return &CSVEventsResponderFunc{
Filename: filename,
Events: events,
}
}
// CSVEventsResponderFunc wraps a func as a Responder interface
type CSVEventsResponderFunc struct {
Filename string
Events *models.EventList
}
// WriteResponse writes to the response
func (fn CSVEventsResponderFunc) WriteResponse(rw http.ResponseWriter, pr runtime.Producer) {
rw.Header().Set("Content-Disposition", fmt.Sprintf("attachment;filename=%s", fn.Filename))
rw.Header().Set(runtime.HeaderContentType, runtime.CSVMime)
if err := pr.Produce(rw, fn.convertToCSV(fn.Events, ",")); err != nil {
msg := fmt.Sprintf("issue converting event models to CSV format - error: %+v.", err)
log.Warn(msg)
rw.Header().Del("Content-Disposition")
rw.Header().Set(runtime.HeaderContentType, runtime.JSONMime)
rw.WriteHeader(http.StatusInternalServerError)
_, writeErr := rw.Write([]byte("{\"error\":\"" + msg + "\"}"))
if writeErr != nil {
log.Warnf("issue writing error response response - error: %+v", writeErr)
}
return
}
}
func (fn CSVEventsResponderFunc) convertToCSV(events *models.EventList, delimiter string) []string {
var csvLines []string
var b bytes.Buffer
b.WriteString("Date-Time,Activity,Performed By,Company Name,Project")
csvLines = append(csvLines, b.String())
b.Reset()
for _, event := range events.Events {
et, err := utils.ParseDateTime(event.EventTime)
if err != nil {
b.WriteString(event.EventTime)
} else {
b.WriteString(utils.TimeToString(et))
}
b.WriteString(delimiter)
b.WriteString(`"`)
b.WriteString(event.EventData)
b.WriteString(`"`)
b.WriteString(delimiter)
b.WriteString(`"`)
b.WriteString(event.UserName)
b.WriteString(`"`)
b.WriteString(delimiter)
b.WriteString(`"`)
b.WriteString(event.EventCompanyName)
b.WriteString(`"`)
b.WriteString(delimiter)
b.WriteString(`"`)
b.WriteString(event.EventProjectSFName)
b.WriteString(`"`)
csvLines = append(csvLines, b.String())
b.Reset()
}
return csvLines
}