Yufan Sheng
a9aaecc002
* feat: add new comment user merge service. * feat: better hide the commenter email.
122 lines
3.2 KiB
Go
122 lines
3.2 KiB
Go
package cmd
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import (
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"fmt"
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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"github.com/spf13/cobra"
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"log"
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"time"
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)
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var (
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artalkCmd = &cobra.Command{
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Use: "artalk",
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Short: "A tool for merging the duplicated users",
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Run: func(cmd *cobra.Command, args []string) {
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mergeUsers()
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},
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}
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host = ""
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port = 0
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database = ""
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username = ""
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password = ""
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)
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func init() {
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artalkCmd.Flags().StringVarP(&host, "host", "", "", "The database host")
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artalkCmd.Flags().IntVarP(&port, "port", "", 0, "The database port")
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artalkCmd.Flags().StringVarP(&database, "database", "", "", "The database name")
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artalkCmd.Flags().StringVarP(&username, "username", "", "", "The database username")
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artalkCmd.Flags().StringVarP(&password, "password", "", "", "The database password")
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_ = artalkCmd.MarkFlagRequired("host")
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_ = artalkCmd.MarkFlagRequired("port")
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_ = artalkCmd.MarkFlagRequired("database")
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_ = artalkCmd.MarkFlagRequired("username")
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_ = artalkCmd.MarkFlagRequired("password")
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rootCmd.AddCommand(artalkCmd)
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}
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type UserStatistic struct {
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Email string `db:"email"`
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Counts int32 `db:"counts"`
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}
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type User struct {
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ID int64 `db:"id"`
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Email string `db:"email"`
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Name string `db:"name"`
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Link string `db:"link"`
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UpdatedAt time.Time `db:"updated_at"`
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}
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func mergeUsers() {
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log.Println("Try to connect to the database.")
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connStr := fmt.Sprintf("postgres://%s:%s@%s:%d/%s?sslmode=disable", username, password, host, port, database)
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db, err := sqlx.Connect("postgres", connStr)
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if err != nil {
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log.Fatal(err)
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}
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if err = db.Ping(); err != nil {
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log.Fatal(err)
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}
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log.Println("Try to query the duplicated users.")
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var duplicatedUsers []UserStatistic
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err = db.Select(&duplicatedUsers, "SELECT email, count(email) AS counts FROM atk_users GROUP BY email HAVING count(email) > 1 ORDER BY count(email) DESC;")
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if err != nil {
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log.Fatal(err)
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}
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if duplicatedUsers != nil && len(duplicatedUsers) > 0 {
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log.Printf("Find %d duplicated users.", len(duplicatedUsers))
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} else {
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log.Println("No duplicated users find, exit.")
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}
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for _, user := range duplicatedUsers {
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deleteDuplicateUsers(db, user)
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}
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}
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func deleteDuplicateUsers(db *sqlx.DB, user UserStatistic) {
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var users []User
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err := db.Select(&users, "SELECT id, email, name, link, updated_at FROM atk_users WHERE email = $1", user.Email)
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if err != nil {
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log.Fatal(err)
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}
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if len(users) <= 1 {
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fmt.Println("No duplicated users find.")
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return
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}
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fmt.Println("Start to remove duplicated user", user.Email)
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for i, u := range users {
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fmt.Println("Index", i)
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fmt.Printf("name: %s link: %s update: %s\n\n", u.Name, u.Link, u.UpdatedAt)
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}
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fmt.Println("Input the index to choose the user to keep, other users will be merged into the selected user.")
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var index = -1
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_, _ = fmt.Scanln(&index)
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for index < 0 || index >= len(users) {
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fmt.Printf("Invalid index number. It should in range [0, %d)\n", len(users))
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_, _ = fmt.Scanln(&index)
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}
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keptID := users[index].ID
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for i, u := range users {
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if i == index {
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continue
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}
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// Delete the user.
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db.MustExec("UPDATE atk_comments SET user_id = $1 WHERE user_id = $2", keptID, u.ID)
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db.MustExec("DELETE FROM atk_users WHERE id = $1", u.ID)
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}
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}
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