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util.go
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util.go
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// Copyright 2011 The Open-VN.org Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package galleyes
import (
"encoding/json"
"github.com/openvn/nstuff"
"github.com/openvn/nstuff/model"
"net/url"
"path"
)
func ValidURL(url string) bool {
if len(url) > 3 {
return true
}
return false
}
func FullURL(abs, href string) (string, error) {
u, err := url.Parse(abs)
if err != nil {
return "", err
}
dir, _ := path.Split(u.Path)
result := ""
if u.Scheme != "" {
result += u.Scheme + ":"
}
if u.Opaque != "" {
result += u.Opaque
} else {
if u.Host != "" || u.User != nil {
result += "//"
if u := u.User; u != nil {
result += u.String() + "@"
}
result += u.Host
}
result += path.Join(dir, href)
}
return result, nil
}
type JsonImage struct {
SavedLocation string
Description string
Location string
PageLocation string
}
func fullResult(s *nstuff.Host, img []Image) string {
n := len(img)
result := make([]JsonImage, n, n)
pagCol := s.Conn.Storage("Page")
var page Page
for i := 0; i < n; i++ {
result[i].Description = img[i].Description
result[i].Location = img[i].Location
result[i].SavedLocation = img[i].SavedLocation
key, err := pagCol.DecodeKey(img[i].PageID)
if err != nil {
continue
}
err = pagCol.Get(key, &page)
if err != nil {
continue
}
result[i].PageLocation = page.Location
}
b, err := json.Marshal(result)
if err == nil {
return string(b)
}
return ""
}
func FindImage(s *nstuff.Host, checksum string, phash int64, p [8]int8) {
var err error
imgColl := s.Conn.Storage("Image")
//find exacts image
var exacts []Image
_, err = imgColl.NewQuery().Filter("CheckSum", model.EQ, checksum).GetAll(&exacts)
if err == nil {
s.Print("parent.ShowResult('", fullResult(s, exacts), "');\n")
}
//find very similars image
var similars []Image
_, err = imgColl.NewQuery().Filter("CheckSum", model.GT, checksum).
Filter("PHash", model.EQ, phash).GetAll(&similars)
if err == nil {
s.Print("parent.ShowResult('", fullResult(s, similars), "');\n")
}
_, err = imgColl.NewQuery().Filter("CheckSum", model.LT, checksum).
Filter("PHash", model.EQ, phash).GetAll(&similars)
if err == nil {
s.Print("parent.ShowResult('", fullResult(s, similars), "');\n")
}
//find some maybe image
part := [8]string{"Part0", "Part1", "Part2", "Part3", "Part4", "Part5", "Part6", "Part7"}
var maybes []Image
for i := 0; i < 8; i++ {
a := imgColl.NewQuery()
for j := 0; j < 8; j++ {
if j == i {
a.Filter(part[j], model.GT, p[j])
} else {
a.Filter(part[j], model.EQ, p[j])
}
}
_, err = a.GetAll(&maybes)
if err == nil {
s.Print("parent.ShowResult('", fullResult(s, maybes), "');\n")
}
b := imgColl.NewQuery()
for j := 0; j < 8; j++ {
if j == i {
b.Filter(part[j], model.LT, p[j])
} else {
b.Filter(part[j], model.EQ, p[j])
}
}
_, err = b.GetAll(&maybes)
if err == nil {
s.Print("parent.ShowResult('", fullResult(s, maybes), "');\n")
}
}
}