69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
package api
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import (
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"database/sql"
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"net/http"
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"strconv"
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)
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type YMTMerchantsAPI struct {
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ymt *sql.DB
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}
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func YMTMerchantsHandler(ymt *sql.DB) http.Handler {
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api := &YMTMerchantsAPI{ymt: ymt}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodGet {
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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 *YMTMerchantsAPI) list(w http.ResponseWriter, r *http.Request) {
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q := r.URL.Query()
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userIDStr := q.Get("user_id")
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like := q.Get("q")
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limitStr := q.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 {
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limit = n
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}
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}
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sql1 := "SELECT id, name FROM merchant WHERE delete_time IS NULL"
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args := []interface{}{}
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if userIDStr != "" {
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// user_id 匹配 或者 operation_user JSON 中包含该 user_id
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sql1 += " AND (user_id = ? OR JSON_CONTAINS(operation_user, JSON_OBJECT('user_id', CAST(? AS SIGNED))))"
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args = append(args, userIDStr, userIDStr)
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}
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if like != "" {
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sql1 += " AND (CAST(id AS CHAR) LIKE ? OR name LIKE ?)"
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s := "%" + like + "%"
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args = append(args, s, s)
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}
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sql1 += " ORDER BY 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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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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out = append(out, map[string]interface{}{"id": id.Int64, "name": name.String})
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}
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ok(w, r, out)
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}
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