84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package repository
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import (
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"context"
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"git.hlsq.asia/mmorpg/service-common/db/mysql"
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"git.hlsq.asia/mmorpg/service-common/db/redis"
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"git.hlsq.asia/mmorpg/service-common/utils"
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"git.hlsq.asia/mmorpg/service-qgdzs/internal/dao/model"
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"git.hlsq.asia/mmorpg/service-qgdzs/internal/dao/query"
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"gorm.io/gorm"
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"time"
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)
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type QuestionDao struct {
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ctx context.Context
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query *query.Query
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cache *redis.CacheClient
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}
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func NewQuestionDao(ctx context.Context, cache ...*redis.CacheClient) *QuestionDao {
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dao := &QuestionDao{
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ctx: ctx,
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query: query.Use(mysql.GetDB(dbName)),
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}
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if len(cache) > 0 {
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dao.cache = cache[0]
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}
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return dao
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}
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func (d *QuestionDao) Create(question *model.Question) error {
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err := d.query.Question.WithContext(d.ctx).
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Create(question)
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return err
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}
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func (d *QuestionDao) FindByRandom() (*model.Question, error) {
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count, err := d.query.Question.WithContext(d.ctx).Count()
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if err != nil {
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return nil, err
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}
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if count == 0 {
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return nil, gorm.ErrRecordNotFound
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}
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first, err := d.query.Question.WithContext(d.ctx).
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Offset(utils.RandInt(0, int(count-1))).
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First()
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if err != nil {
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return nil, err
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}
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return first, nil
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}
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func (d *QuestionDao) FindBySn(sn string) (*model.Question, error) {
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if d.cache != nil {
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var question model.Question
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if ok := d.cache.Get(d.ctx, keyCacheBySn(sn, question.TableName()), &question); ok {
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return &question, nil
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}
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}
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first, err := d.query.Question.WithContext(d.ctx).
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Where(d.query.Question.Sn.Eq(sn)).
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First()
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if err != nil {
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return nil, err
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}
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if d.cache != nil {
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d.cache.Set(d.ctx, keyCacheBySn(sn, first.TableName()), first, 5*time.Minute)
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}
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return first, nil
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}
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func (d *QuestionDao) FindCategory() ([]string, error) {
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var categories []string
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err := d.query.Question.WithContext(d.ctx).
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Select(d.query.Question.Category).
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Distinct().
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Scan(&categories)
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if err != nil {
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return nil, err
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}
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return categories, nil
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}
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