misc: add analysis scripts

Author: j178

.gitignore

@@ -9,3 +9,4 @@ out/
 go.work
 go.work.sum
 misc/*.gif
+misc/questions.json

scripts/analyze.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/goccy/go-json"
+
+	"github.com/j178/leetgo/config"
+	"github.com/j178/leetgo/lang"
+	"github.com/j178/leetgo/leetcode"
+)
+
+func main() {
+	f, err := os.Open("misc/questions.json")
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+
+	_ = os.Chdir(os.Getenv("LEETGO_WORKDIR"))
+	err = config.Load(false)
+	if err != nil {
+		panic(err)
+	}
+
+	var questions []*leetcode.QuestionData
+	err = json.NewDecoder(f).Decode(&questions)
+	if err != nil {
+		panic(err)
+	}
+	c := leetcode.NewClient(leetcode.NonAuth())
+
+	categories := map[leetcode.CategoryTitle]int{}
+	for _, q := range questions {
+		q.SetClient(c)
+
+		categories[q.CategoryTitle]++
+		if q.MetaData.Manual && q.CategoryTitle == leetcode.CategoryAlgorithms {
+			fmt.Printf("%s.%s\n", q.QuestionFrontendId, q.TitleSlug)
+			out, err := lang.Generate(q)
+			if err != nil {
+				fmt.Println(err)
+			}
+			f, _ := os.Create(filepath.Join(out.TargetDir(), "question.json"))
+			enc := json.NewEncoder(f)
+			enc.SetIndent("", "  ")
+			enc.Encode(q)
+			f.Close()
+		}
+	}
+
+	fmt.Printf(
+		"total: %d, %v, manual: %d\n",
+		len(questions),
+		categories,
+	)
+}

scripts/fetch_question_data.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/goccy/go-json"
+
+	"github.com/j178/leetgo/leetcode"
+)
+
+func main() {
+	client := leetcode.NewClient(leetcode.ReadCredentials())
+	cache := leetcode.GetCache(client)
+	questions := cache.GetAllQuestions()
+	paidOnly := 0
+	for _, q := range questions {
+		if q.IsPaidOnly {
+			paidOnly++
+		}
+	}
+	fmt.Printf("Total questions: %d, paid only: %d\n", len(questions), paidOnly)
+
+	for i, q := range questions {
+		if q.IsPaidOnly {
+			continue
+		}
+		err := q.Fulfill()
+		if err != nil {
+			fmt.Printf("fetch error: %s, q=%s\n", err, q.TitleSlug)
+			continue
+		}
+		if i > 0 && i%100 == 0 {
+			fmt.Printf("\rfetching %d/%d", i+1, len(questions))
+			save(questions)
+		}
+		time.Sleep(10 * time.Millisecond)
+	}
+	fmt.Println("\nDone")
+}
+
+func save(questions []*leetcode.QuestionData) {
+	f, err := os.Create("./misc/questions.json")
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+	enc := json.NewEncoder(f)
+	enc.SetIndent("", "  ")
+	err = enc.Encode(questions)
+	if err != nil {
+		panic(err)
+	}
+}