Adding go.mod, removing ./vendor, using a Makefile

.gitignore

@@ -16,3 +16,4 @@ cf
 *.out
 
 .vscode
+bin

Makefile

@@ -0,0 +1,28 @@
+#!make
+
+all: build
+
+.PHONY: vet
+vet:
+	go vet ./...
+
+.PHONY: fmt
+fmt:
+	go fmt ./...
+
+.PHONY: clean
+clean:
+	rm -rf ./bin/*
+
+.PHONY: build
+build: clean fmt
+	mkdir -p ./bin/
+	go build -o ./bin/cf ./cf.go
+
+.PHONY: run
+run: clean fmt vet
+	go run ./...
+
+.PHONY: test
+test: vet
+	go test -v  -failfast ./...

client/client.go

@@ -9,7 +9,8 @@ import (
 	"path/filepath"
 
 	"github.com/fatih/color"
-	"github.com/xalanq/cf-tool/cookiejar"
+	// "github.com/xalanq/cf-tool/cookiejar"
+	"net/http/cookiejar"
 )
 
 // Client codeforces client

client/langs.go

@@ -2,7 +2,8 @@ package client
 
 // Langs generated by
 // ^[\s\S]*?value="(.+?)"[\s\S]*?>([\s\S]+?)<[\s\S]*?$
-//     "\1": "\2",
+//
+//	"\1": "\2",
 var Langs = map[string]string{
 	"43": "GNU GCC C11 5.1.0",
 	"52": "Clang++17 Diagnostics",

client/login.go

@@ -14,7 +14,9 @@ import (
 	"syscall"
 
 	"github.com/fatih/color"
-	"github.com/xalanq/cf-tool/cookiejar"
+	// "github.com/xalanq/cf-tool/cookiejar"
+	"net/http/cookiejar"
+
 	"github.com/xalanq/cf-tool/util"
 	"golang.org/x/crypto/ssh/terminal"
 )

client/parse.go

@@ -11,13 +11,14 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/xalanq/cf-tool/util"
-
-	"github.com/k0kubun/go-ansi"
-
+	"github.com/draychev/go-toolbox/pkg/logger"
 	"github.com/fatih/color"
+	"github.com/k0kubun/go-ansi"
+	"github.com/xalanq/cf-tool/util"
 )
 
+var log = logger.NewPretty("client")
+
 func findSample(body []byte) (input [][]byte, output [][]byte, err error) {
 	irg := regexp.MustCompile(`class="input"[\s\S]*?<pre>([\s\S]*?)</pre>`)
 	org := regexp.MustCompile(`class="output"[\s\S]*?<pre>([\s\S]*?)</pre>`)
@@ -123,13 +124,14 @@ func (c *Client) Parse(info Info) (problems []string, paths []string, err error)
 		go func(problemID, path string) {
 			defer wg.Done()
 			mu.Lock()
-			fmt.Printf("Parsing %v\n", problemID)
+			fmt.Printf("Parsing contest:%s, problem:%v into %s\n", info.ContestID, problemID, path)
 			mu.Unlock()
 
-			err = os.MkdirAll(path, os.ModePerm)
-			if err != nil {
+			if err = os.MkdirAll(path, os.ModePerm); err != nil {
+				log.Error().Err(err).Msgf("Error creating directory %s", path)
 				return
 			}
+			log.Debug().Msgf("Created directory: %s", path)
 			URL := fmt.Sprintf(urlFormatter, problemID)
 
 			samples, standardIO, err := c.ParseProblem(URL, path, &mu)

config/config.go

@@ -1,10 +1,10 @@
 package config
 
 import (
+	"bytes"
 	"encoding/json"
 	"io/ioutil"
 	"os"
-	"bytes"
 	"path/filepath"
 
 	"github.com/fatih/color"