From 093670db1ca6bf677f409998fc8b5eed232640e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Vizcaino?= <jerome.vizcaino@gmail.com>
Date: Fri, 7 Oct 2016 21:46:52 +0200
Subject: [PATCH] First version

---
 .gitignore         |  4 +++
 Makefile           | 16 +++++++++++
 auvieux-scraper.go | 71 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 91 insertions(+)
 create mode 100644 Makefile
 create mode 100644 auvieux-scraper.go

diff --git a/.gitignore b/.gitignore
index c0d92d0..417b1df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,7 @@ _testmain.go
 
 # Vendor libs
 vendor/
+
+.vscode/
+auvieux-scraper
+debug
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..fd1a25e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,16 @@
+#!/usr/bin/make -f
+
+all: auvieux-scraper
+	
+
+.PHONY: all deps clean
+
+deps:
+	glide install
+
+auvieux-scraper: auvieux-scraper.go
+	go build -o $@ $^
+
+clean:
+	rm -rf auvieux-scraper
+
diff --git a/auvieux-scraper.go b/auvieux-scraper.go
new file mode 100644
index 0000000..c72305e
--- /dev/null
+++ b/auvieux-scraper.go
@@ -0,0 +1,71 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"regexp"
+	"strconv"
+
+	"github.com/PuerkitoBio/goquery"
+)
+
+const searchURLBase = "http://www.auvieuxcampeur.fr/catalogsearch/result/?q="
+
+func searchURL(id string) string {
+	return fmt.Sprintf("%s%s", searchURLBase, id)
+}
+
+type product struct {
+	ID    string
+	Name  string
+	Price float32
+}
+
+func convertPrice(pstr string) (float64, error) {
+	// Remove trailing ' €'
+	re := regexp.MustCompile(`^(\d+),(\d+).*$`)
+	s := re.ReplaceAllString(pstr, "$1.$2")
+	return strconv.ParseFloat(s, 32)
+}
+
+func scrapeProduct(id string) (*product, error) {
+	url := searchURL(id)
+	doc, err := goquery.NewDocument(url)
+	if err != nil {
+		return nil, err
+	}
+
+	name := doc.Find(".product-name > a").First().Text()
+	priceStr := doc.Find(".regular-price .price").First().Text()
+
+	price, err := convertPrice(priceStr)
+	if err != nil {
+		return nil, err
+	}
+
+	return &product{
+		ID:    id,
+		Name:  name,
+		Price: float32(price),
+	}, nil
+}
+
+func main() {
+	products := os.Args[1:]
+
+	if len(products) == 0 {
+		fmt.Printf("Usage: auvieux-scraper product_id [product_id ...]")
+		os.Exit(1)
+	}
+
+	fmt.Printf("Référence;Désignation;Prix TTC\n")
+	for _, productID := range products {
+		p, err := scrapeProduct(productID)
+		if err != nil {
+			fmt.Printf("Error getting product %s (%s)\n", productID, err)
+			continue
+		}
+		fmt.Printf("%s;%s;%.2f\n", p.ID, p.Name, p.Price)
+	}
+
+}