77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
package api
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import (
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"database/sql"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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)
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type YMTUsersAPI struct {
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ymt *sql.DB
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}
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func YMTUsersHandler(ymt *sql.DB) http.Handler {
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api := &YMTUsersAPI{ymt: ymt}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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p := strings.TrimPrefix(r.URL.Path, "/api/ymt/users")
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if r.Method == http.MethodGet && p == "" {
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api.list(w, r)
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return
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}
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w.WriteHeader(http.StatusNotFound)
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})
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}
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func (a *YMTUsersAPI) list(w http.ResponseWriter, r *http.Request) {
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q := r.URL.Query().Get("q")
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limitStr := r.URL.Query().Get("limit")
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limit := 2000
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if limitStr != "" {
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if n, err := strconv.Atoi(limitStr); err == nil && n > 0 && n <= 10000 { limit = n }
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}
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sql1 := "SELECT DISTINCT user_id, COALESCE(user_name, '') AS name FROM activity WHERE user_id IS NOT NULL"
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args := []interface{}{}
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if q != "" {
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sql1 += " AND (CAST(user_id AS CHAR) LIKE ? OR user_name LIKE ?)"
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like := "%" + q + "%"
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args = append(args, like, like)
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}
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sql1 += " ORDER BY user_id ASC LIMIT ?"
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args = append(args, limit)
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rows, err := a.ymt.Query(sql1, args...)
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if err != nil {
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fail(w, r, http.StatusInternalServerError, err.Error())
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return
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}
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defer rows.Close()
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out := []map[string]interface{}{}
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used := map[int64]struct{}{}
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for rows.Next() {
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var id sql.NullInt64
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var name sql.NullString
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if err := rows.Scan(&id, &name); err != nil {
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continue
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}
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if !id.Valid {
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continue
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}
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if _, ok := used[id.Int64]; ok {
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// 根据 ID 去重
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continue
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}
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used[id.Int64] = struct{}{}
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n := strings.TrimSpace(name.String)
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if n == "" {
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n = strconv.FormatInt(id.Int64, 10)
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}
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display := fmt.Sprintf("%s（%d）", n, id.Int64)
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out = append(out, map[string]interface{}{"id": id.Int64, "name": display})
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}
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ok(w, r, out)
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}
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