cli

.gitignore

@@ -1,2 +1,5 @@
 
 /.idea
+*.pem
+*.key
+*.exe

cmd/cli.go

@@ -0,0 +1,122 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"github.com/ByteSizedMarius/rewerse-engineering/pkg"
+	"os"
+	"strings"
+)
+
+func hdl(err error) {
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func main() {
+	flag.Usage = func() {
+		fmt.Println("Usage: rewerse-cli [flags] [subcommand] [subcommand-flags]")
+		fmt.Println("\nFlags:")
+		fmt.Println(align("-cert <path>") + "Path to the certificate file (default 'certificate.pem')")
+		fmt.Println(align("-key <path>") + "Path to the key file (default 'private.key')")
+		fmt.Println(align("-json") + "Output in JSON format (default false)")
+		fmt.Println("\nSubcommands:")
+		fmt.Println(align("marketsearch -query <query>") + "Search for markets")
+		fmt.Println(align("marketdetails -id <market-id>") + "Get details for a market")
+		fmt.Println(align("coupons") + "Get coupons")
+		fmt.Println(align("recalls") + "Get recalls")
+		fmt.Println(align("discounts -id <market-id> [-raw] [-catGroup]") + "Get discounts")
+		fmt.Println("\nSubcommand-Flags:")
+		fmt.Println(align("-query <query>") + "Search query. Can be a city, postal code, street, etc.")
+		fmt.Println(align("-id <market-id>") + "ID of the market or discount. Get it from marketsearch.")
+		fmt.Println(align("-raw") + "Raw output format (directly from the API). Otherwise, it's parsed and cleaned based on what I thought was useful.")
+		fmt.Println(align("-catGroup") + "Group by product category instead of rewe-app-category")
+		fmt.Println("\nExamples:")
+		fmt.Println("   rewerse.exe marketsearch -query Köln")
+		fmt.Println("   rewerse.exe marketdetails -id 1763153")
+		fmt.Println("   rewerse.exe discounts -id 1763153")
+		fmt.Println("   rewerse.exe -json discounts -id 1763153 -raw")
+		fmt.Println("   rewerse.exe discounts -id 1763153 -catGroup")
+		fmt.Println("   rewerse.exe -cert cert.pem -key p.key marketsearch -query Köln")
+	}
+	certFile := flag.String("cert", "certificate.pem", "Path to the certificate file")
+	keyFile := flag.String("key", "private.key", "Path to the key file")
+	jsonOutput := flag.Bool("json", false, "Output in JSON format (default false)")
+	flag.Parse()
+
+	var err error
+	err = rewerse.SetCertificate(*certFile, *keyFile)
+	hdl(err)
+
+	if flag.NArg() == 0 {
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	marketSearchCmd := flag.NewFlagSet("marketsearch", flag.ExitOnError)
+	marketSearchQuery := marketSearchCmd.String("query", "", "Search query")
+
+	marketDetailsCmd := flag.NewFlagSet("marketdetails", flag.ExitOnError)
+	marketDetailsID := marketDetailsCmd.String("id", "", "ID of the market details")
+
+	discountsCmd := flag.NewFlagSet("discounts", flag.ExitOnError)
+	discountsID := discountsCmd.String("id", "", "Market-ID")
+	rawOutput := discountsCmd.Bool("raw", false, "Whether to return raw API Data")
+	groupProduct := discountsCmd.Bool("catGroup", false, "Group by product category instead of app-category")
+
+	var data any
+	switch flag.Arg(0) {
+	case "marketsearch":
+		hdl(marketSearchCmd.Parse(flag.Args()[1:]))
+		if *marketSearchQuery == "" {
+			fmt.Println("Expected search query")
+			os.Exit(1)
+		}
+		data, err = rewerse.MarketSearch(*marketSearchQuery)
+	case "marketdetails":
+		hdl(marketDetailsCmd.Parse(flag.Args()[1:]))
+		if *marketDetailsID == "" {
+			fmt.Println("Expected market ID")
+			os.Exit(1)
+		}
+		data, err = rewerse.GetMarketDetails(*marketDetailsID)
+	case "coupons":
+		var oc rewerse.OneScanCoupons
+		var c rewerse.Coupons
+		oc, c, err = rewerse.GetCoupons()
+		data = []any{oc, c}
+	case "recalls":
+		data, err = rewerse.GetRecalls()
+	case "discounts":
+		hdl(discountsCmd.Parse(flag.Args()[1:]))
+		if *rawOutput {
+			data, err = rewerse.GetDiscountsRaw(*discountsID)
+			*jsonOutput = true
+		} else {
+			data, err = rewerse.GetDiscounts(*discountsID)
+		}
+		if *groupProduct {
+			data = data.(rewerse.Discounts).GroupByProductCategory()
+		}
+
+	default:
+		fmt.Println("Expected 'marketsearch', 'marketdetails', 'coupons', 'recalls' or 'discounts' subcommands")
+		os.Exit(1)
+	}
+
+	hdl(err)
+	if *jsonOutput {
+		var bt []byte
+		bt, err = json.MarshalIndent(data, "", "  ")
+		hdl(err)
+		data = string(bt)
+	}
+	fmt.Println(data)
+}
+
+func align(s string) string {
+	return "   " + s + strings.Repeat(" ", 40-len(s))
+}