alex/restaurant-search
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Alex Yatskov 2015-08-12 18:25:55 +09:00
parent 61267464fb
commit c60b29c270
1 changed files with 38 additions and 51 deletions
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89
tabelog.go
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@ -24,49 +24,31 @@ package main
import (
"bytes"
"errors"
"encoding/json"
"io/ioutil"
"log"
"regexp"
"strconv"
"strings"
"sync"
"text/template"
"github.com/PuerkitoBio/goquery"
)
const (
tabelogTemplate = "http://tabelog.com/en/rstLst/{{.Page}}/?lat=35.465808055555996&lon=139.61964361111&zoom=16&RdoCosTp=2&LstCos=0&LstCosT=11&LstSitu=0&LstRev=0&LstReserve=0&ChkParking=0&LstSmoking=0"
)
const ()
type tabelogParams struct {
Page int
}
type tabelogReview struct {
name string
address string
dishes float64
service float64
atmosphere float64
cost float64
drinks float64
url string
}
func parseCounts(doc *goquery.Document) (from, to, total int64, err error) {
t := doc.Find("#js-item-count-downside").Text()
r := regexp.MustCompile(`(\d+)\D*(\d+)\D*(\d+)`)
if c := r.FindStringSubmatch(t); c != nil {
from, _ = strconv.ParseInt(c[1], 10, 8)
to, _ = strconv.ParseInt(c[2], 10, 8)
total, _ = strconv.ParseInt(c[3], 10, 8)
} else {
err = errors.New("failed to parse counts")
}
return
Name string
Address string
Dishes float64
Service float64
Atmosphere float64
Cost float64
Drinks float64
Url string
}
func scrapeReview(url string, out chan tabelogReview) {
@ -78,23 +60,23 @@ func scrapeReview(url string, out chan tabelogReview) {
var r tabelogReview
r.url = url
r.name = doc.Find("body > article > header > div.rd-header.l-container > div > div.rd-header__headline > h2 > a").Text()
r.address = strings.TrimSpace(doc.Find("#anchor-rd-detail > section > table > tbody > tr > td > p.rd-detail-info__rst-address").First().Text())
r.Url = url
r.Name = doc.Find("body > article > header > div.rd-header.l-container > div > div.rd-header__headline > h2 > a").Text()
r.Address = strings.TrimSpace(doc.Find("#anchor-rd-detail > section > table > tbody > tr > td > p.rd-detail-info__rst-address > span").Text())
if r.dishes, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(2)").Text(), 8); err != nil {
if r.Dishes, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(2)").Text(), 8); err != nil {
return
}
if r.service, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(4)").Text(), 8); err != nil {
if r.Service, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(4)").Text(), 8); err != nil {
return
}
if r.atmosphere, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(6)").Text(), 8); err != nil {
if r.Atmosphere, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(6)").Text(), 8); err != nil {
return
}
if r.cost, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(8)").Text(), 8); err != nil {
if r.Cost, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(8)").Text(), 8); err != nil {
return
}
if r.drinks, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(10)").Text(), 8); err != nil {
if r.Drinks, err = strconv.ParseFloat(doc.Find("#js-rating-detail > dd:nth-child(10)").Text(), 8); err != nil {
return
}
@ -116,28 +98,35 @@ func scrapeIndex(url string, out chan tabelogReview) error {
return nil
}
func dumpReviews(c chan tabelogReview, cond *sync.Cond) {
func dumpReviews(filename string, in chan tabelogReview, out chan error) {
var reviews []tabelogReview
for {
review, ok := <-c
if !ok {
if review, ok := <-in; ok {
log.Println(review.Name)
reviews = append(reviews, review)
} else {
break
}
log.Print(review)
}
cond.Signal()
js, err := json.MarshalIndent(reviews, "", " ")
if err != nil {
out <- err
return
}
out <- ioutil.WriteFile(filename, js, 0644)
}
func scrapeTabelog() error {
var cond sync.Cond
func scrapeTabelog(filename, url string) error {
out := make(chan tabelogReview)
go dumpReviews(out, &cond)
in := make(chan error)
go dumpReviews(filename, out, in)
t := template.New("tabelog")
t.Parse(tabelogTemplate)
t.Parse(url)
for i := 1; i <= 60; i++ {
for i := 1; i <= 2; i++ {
var url bytes.Buffer
if err := t.Execute(&url, tabelogParams{i}); err != nil {
log.Fatal(err)
@ -149,7 +138,5 @@ func scrapeTabelog() error {
}
close(out)
cond.Wait()
return nil
return <-in
}