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package dao
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import (
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"github.com/rocboss/paopao-ce/internal/core"
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"github.com/rocboss/paopao-ce/internal/model"
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"github.com/sirupsen/logrus"
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)
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func (d *dataServant) IndexPosts(userId int64, offset int, limit int) ([]*model.PostFormated, error) {
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if d.useCacheIndex {
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if posts, err := d.cacheIndex.IndexPosts(userId, offset, limit); err == nil {
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logrus.Debugf("get index posts from cached by userId: %d", userId)
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return posts, nil
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}
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}
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logrus.Debugf("get index posts from database but useCacheIndex: %t", d.useCacheIndex)
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return d.getIndexPosts(userId, offset, limit)
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}
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func (d *dataServant) MergePosts(posts []*model.Post) ([]*model.PostFormated, error) {
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postIds := make([]int64, 0, len(posts))
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userIds := make([]int64, 0, len(posts))
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for _, post := range posts {
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postIds = append(postIds, post.ID)
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userIds = append(userIds, post.UserID)
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}
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postContents, err := d.GetPostContentsByIDs(postIds)
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if err != nil {
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return nil, err
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}
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users, err := d.GetUsersByIDs(userIds)
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if err != nil {
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return nil, err
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}
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userMap := make(map[int64]*model.UserFormated, len(users))
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for _, user := range users {
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userMap[user.ID] = user.Format()
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}
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contentMap := make(map[int64][]*model.PostContentFormated, len(postContents))
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for _, content := range postContents {
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contentMap[content.PostID] = append(contentMap[content.PostID], content.Format())
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}
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// 数据整合
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postsFormated := make([]*model.PostFormated, 0, len(posts))
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for _, post := range posts {
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postFormated := post.Format()
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postFormated.User = userMap[post.UserID]
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postFormated.Contents = contentMap[post.ID]
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postsFormated = append(postsFormated, postFormated)
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}
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return postsFormated, nil
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}
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// getIndexPosts _userId保留未来使用
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// TODO: 未来可能根据userId查询广场推文列表，简单做到不同用户的主页都是不同的；
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func (d *dataServant) getIndexPosts(_userId int64, offset int, limit int) ([]*model.PostFormated, error) {
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posts, err := (&model.Post{}).List(d.engine, &model.ConditionsT{
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"visibility IN ?": []model.PostVisibleT{model.PostVisitPublic, model.PostVisitFriend},
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"ORDER": "is_top DESC, latest_replied_on DESC",
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}, offset, limit)
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if err != nil {
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logrus.Debugf("getIndexPosts err: %v", err)
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return nil, err
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}
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return d.MergePosts(posts)
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}
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func (d *dataServant) indexActive(act core.IndexActionT) {
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if d.useCacheIndex {
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d.cacheIndex.SendAction(act)
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}
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}
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