From ae7ed42df6a55e36c82b88e7c71569951847a68c Mon Sep 17 00:00:00 2001
From: Max
Date: Thu, 8 Feb 2018 16:08:18 +0100
Subject: Adds missing utility functions.

---
 crawler/utility.go | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 crawler/utility.go

(limited to 'crawler/utility.go')

diff --git a/crawler/utility.go b/crawler/utility.go
new file mode 100644
index 0000000..a794c4b
--- /dev/null
+++ b/crawler/utility.go
@@ -0,0 +1,65 @@
+package main
+
+import (
+	"log"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+func detect_spirit_type(name string) string {
+	if strings.Contains(name, "Gin") {
+		return "Gin"
+	}
+	if strings.Contains(name, "Rum") {
+		return "Rum"
+	}
+	if strings.Contains(name, "Vodka") {
+		return "Wodka"
+	}
+	if strings.Contains(name, "Wodka") {
+		return "Wodka"
+	}
+	if strings.Contains(name, "Whisky") {
+		return "Whisky"
+	}
+	if strings.Contains(name, "Whiskey") {
+		return "Whisky"
+	}
+
+	return "Anderes"
+}
+
+func extract_volume(volume string) (float32, error) {
+	r_liter, err := regexp.Compile(`[0-9]+([,.][0-9]+)?( )?[lL](iter)?`)
+	if err != nil {
+		log.Fatal(err)
+	}
+	volume_noisy := r_liter.FindString(volume)
+
+	r_liter2, err := regexp.Compile(`[0-9]+([,.][0-9]+)?`)
+	if err != nil {
+		log.Fatal(err)
+	}
+	volume_noisy = r_liter2.FindString(volume_noisy)
+	volume_noisy = strings.Replace(volume_noisy, ",", ".", 1)
+	volume64, err := strconv.ParseFloat(volume_noisy, 32)
+	if err != nil {
+		return 0, err
+	}
+	return float32(volume64), err
+}
+
+func extract_abv(abv_noisy string) (float32, error) {
+	if strings.Contains(abv_noisy, "%") {
+		abv_noisy = strings.Replace(abv_noisy, "%", "", 1)
+	}
+	abv_noisy = strings.Replace(abv_noisy, ",", ".", 1)
+	abv_noisy = strings.TrimSpace(abv_noisy)
+
+	abv64, err := strconv.ParseFloat(abv_noisy, 32)
+	if err != nil {
+		return 0, err
+	}
+	return float32(abv64), nil
+}
-- 
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