SFM-loan-Rest-Api/apiV1UploadAsImage.go

package main

import (
	"biukop.com/sfm/loan"
	log "github.com/sirupsen/logrus"
	"net/http"
	"os"
	"strings"
)

func apiV1UploadAsImage(w http.ResponseWriter, r *http.Request, ss *loan.Session) {
	// time.Sleep(5* time.Second)

	strId := r.URL.Path[len(apiV1Prefix+"upload-as-image/"):] //remove prefix
	if strId == "default" {
		http.ServeFile(w, r, config.UploadsDir.JpgDefault)
		return
	}

	ul, e := getRequestedUpload(strId, w, r, ss)
	if e != nil {
		return
	}

	// if this is image itself, serve it directly
	if strings.Contains(strings.ToLower(ul.Upload.Format), "image") {
		f, e := os.Open(ul.filePath())
		if e == nil {
			defer f.Close()
			fi, e := f.Stat()
			if e == nil {
				//w.Header().Set("Content-Disposition", "attachment; filename="+ul.Upload.FileName)
				http.ServeContent(w, r, ul.filePath(), fi.ModTime(), f)
				return
			}
		}
		// if we reach here, some err has happened
		log.Error("failed to serve image file ", ul, e)
		apiV1Server500Error(w, r)
		return
	}

	// see if a converted image exist, if not convert it and then send
	if !fileExists(ul.jpgPath()) {
		e = ul.convertUploadsToJpg()
		if e != nil {
			// serve a default no preview is available
			http.ServeFile(w, r, config.UploadsDir.JpgDefault)
			log.Error("error creating preview image", ul, e)
			return
		}
	}
	if fileExists(ul.jpgPath()) {
		http.ServeFile(w, r, ul.jpgPath())
		return
	} else {
		apiV1Client404Error(w, r, ss)
	}

}
func apiV1UploadCreateImage(w http.ResponseWriter, r *http.Request, ss *loan.Session) {
	//time.Sleep(1 * time.Second)

	strId := r.URL.Path[len(apiV1Prefix+"upload-as-image/"):] //remove prefix
	if strId == "" {
		apiV1Client404Error(w, r, ss)
		return
	}

	ul, e := getRequestedUpload(strId, w, r, ss)
	if e != nil {
		return
	}

	// if this is image itself, serve it directly
	if strings.Contains(strings.ToLower(ul.Upload.Format), "image") {
		apiV1SendJson(true, w, r, ss)
		return
	}

	// see if a converted image exist, if not convert it and then send
	if !fileExists(ul.jpgPath()) {
		e = ul.convertUploadsToJpg()
		if e != nil {
			log.Error("error creating preview image", ul, e)
		}
	}

	if fileExists(ul.jpgPath()) {
		apiV1SendJson(true, w, r, ss)
		return
	} else {
		apiV1SendJson(false, w, r, ss)
	}
}