youtu_server/game_open_api/model/gamescoremodel.go

package model

import (
	"context"
	"database/sql"
	"errors"
	"fmt"
	"gitea.youtukeji.com.cn/xiabin/youtu_server/game_open_api/internal/types"
	"github.com/zeromicro/go-zero/core/stores/cache"
	"github.com/zeromicro/go-zero/core/stores/sqlc"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
)

var _ GameScoreModel = (*customGameScoreModel)(nil)

const (
	cacheEcpmRankListPrefix                     = "cache:ecpm:game:rankList:appId:"
	cacheEcpmUserRankPrefix                     = "cache:ecpm:game:userRank:userId:"
	cacheEcpmGameScoreAppUserIdAppAccountPrefix = "cache:ecpm:gameScore:"
)

type (
	// GameScoreModel is an interface to be customized, add more methods here,
	// and implement the added methods in customGameScoreModel.
	GameScoreModel interface {
		gameScoreModel
		GetRankList(ctx context.Context, appId uint64, userId uint64) ([]types.RankingData, error)
		GetUserRank(ctx context.Context, appId uint64, userId uint64) (types.RankingData, error)
		FindUserScore(ctx context.Context, appId uint64, userId uint64) (*GameScore, error)
		UpdateScore(ctx context.Context, appId uint64, userId uint64, score uint64) error
	}

	customGameScoreModel struct {
		*defaultGameScoreModel
	}
)

// NewGameScoreModel returns a model for the database table.
func NewGameScoreModel(conn sqlx.SqlConn, c cache.CacheConf, opts ...cache.Option) GameScoreModel {
	return &customGameScoreModel{
		defaultGameScoreModel: newGameScoreModel(conn, c, opts...),
	}
}

func (m *defaultGameScoreModel) GetRankList(ctx context.Context, appId uint64, userId uint64) (resp []types.RankingData, err error) {
	ecpmGameScoreAppUserIdKey := fmt.Sprintf("%s%v", cacheEcpmRankListPrefix, appId)
	err = m.QueryRowCtx(ctx, &resp, ecpmGameScoreAppUserIdKey, func(ctx context.Context, conn sqlx.SqlConn, v any) error {
		query := "SELECT game_score.score,app_user.nickname,app_user.avatar,game_score.app_user_id,rank() over(ORDER BY game_score.score desc) t_rank FROM `game_score` JOIN app_user ON app_user.id=game_score.app_user_id WHERE game_score.app_account=? ORDER BY game_score.score DESC LIMIT 20"
		return conn.QueryRowsPartialCtx(ctx, v, query, appId)
	})
	switch {
	case err == nil:
		return resp, nil
	case errors.Is(err, sqlc.ErrNotFound):
		return nil, ErrNotFound
	default:
		return nil, err
	}
}

func (m *defaultGameScoreModel) GetUserRank(ctx context.Context, appId uint64, userId uint64) (resp types.RankingData, err error) {
	ecpmGameScoreAppUserIdKey := fmt.Sprintf("%s%v", cacheEcpmUserRankPrefix, userId)
	var res []types.RankingData
	err = m.QueryRowCtx(ctx, &res, ecpmGameScoreAppUserIdKey, func(ctx context.Context, conn sqlx.SqlConn, v any) error {
		query := `SELECT
  app_user.nickname,
  app_user.avatar,
  gs.score,
  gs.app_user_id,
  gs.t_rank
FROM
  (
    SELECT
      game_score.score,
      game_score.app_user_id,
      game_score.app_account,
      rank() over (ORDER BY game_score.score DESC) t_rank 
    FROM
  game_score) AS gs
  LEFT JOIN app_user ON app_user.id = gs.app_user_id 
  AND gs.app_account = ? 
WHERE
  gs.app_user_id = ? 
  LIMIT 1 `
		return conn.QueryRowsPartialCtx(ctx, v, query, appId, userId)
	})
	switch {
	case err == nil:
		if len(res) == 1 {
			resp = res[0]
		}
		return resp, nil
	case errors.Is(err, sqlc.ErrNotFound):
		return resp, ErrNotFound
	default:
		return resp, err
	}
}

func (m *defaultGameScoreModel) FindUserScore(ctx context.Context, appId uint64, userId uint64) (*GameScore, error) {
	ecpmGameScoreAppUserIdKey := fmt.Sprintf("%sappId:%d:userId:%d", cacheEcpmGameScoreAppUserIdAppAccountPrefix, appId, userId)
	var (
		resp GameScore
		err  error
	)
	err = m.QueryRowCtx(ctx, &resp, ecpmGameScoreAppUserIdKey, func(ctx context.Context, conn sqlx.SqlConn, v any) error {
		query := fmt.Sprintf("select %s from %s where `app_user_id` = ? and app_account = ?  limit 1", gameScoreRows, m.table)
		return conn.QueryRowCtx(ctx, v, query, userId, appId)
	})
	switch err {
	case nil:
		return &resp, nil
	case sqlc.ErrNotFound:
		return nil, ErrNotFound
	default:
		return nil, err
	}
}

func (m *defaultGameScoreModel) UpdateScore(ctx context.Context, appId uint64, userId uint64, score uint64) error {
	ecpmGameScoreAppUserIdAppAccountKey := fmt.Sprintf("%sappId:%d:userId:%d", cacheEcpmGameScoreAppUserIdAppAccountPrefix, appId, userId)
	_, err := m.ExecCtx(ctx, func(ctx context.Context, conn sqlx.SqlConn) (result sql.Result, err error) {
		query := fmt.Sprintf("update %s set `score` = ? where `app_account` = ? and `app_user_id` = ?", m.table)
		return conn.ExecCtx(ctx, query, score, appId, userId)
	}, ecpmGameScoreAppUserIdAppAccountKey)
	return err
}