1package main
 2
 3import (
 4	"fmt"
 5	"path"
 6	"strings"
 7	"time"
 8)
 9
10func timeago(t *time.Time) string {
11	d := time.Since(*t)
12	if d.Seconds() < 60 {
13		return fmt.Sprintf("%d seconds ago", int(d.Seconds()))
14	} else if d.Minutes() < 60 {
15		return fmt.Sprintf("%d minutes ago", int(d.Minutes()))
16	} else if d.Hours() < 24 {
17		return fmt.Sprintf("%d hours ago", int(d.Hours()))
18	} else {
19		return fmt.Sprintf("%d days ago", int(d.Hours())/24)
20	}
21}
22
23/// Perform some checks to make sure the file is OK
24func checkIfValidFile(filename string, fileBytes []byte) error {
25	if len(filename) == 0 {
26		return fmt.Errorf("Please enter a filename")
27	}
28	ext := strings.ToLower(path.Ext(filename))
29	found := false
30	for _, mimetype := range c.OkExtensions {
31		if ext == mimetype {
32			found = true
33		}
34	}
35	if !found {
36		return fmt.Errorf("Invalid file extension: %s", ext)
37	}
38	fmt.Println(len(fileBytes))
39	if len(fileBytes) > c.MaxFileSize {
40		return fmt.Errorf("File too large. File was %d bytes, Max file size is %d", len(fileBytes), c.MaxFileSize)
41	}
42	return nil
43}