111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
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package plug
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import (
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"context"
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"slices"
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"git.anthrove.art/Anthrove/otter-space-sdk/v3/pkg/database"
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"git.anthrove.art/Anthrove/otter-space-sdk/v3/pkg/models"
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"gorm.io/gorm"
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)
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var BatchSize = 50
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func BatchPostProcessing(ctx context.Context, userSource models.UserSource, posts []models.Post) error {
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db, err := database.GetGorm(ctx)
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if err != nil {
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return err
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}
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postIDs := make([]string, 0, len(posts))
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for _, post := range posts {
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postIDs = append(postIDs, post.References[0].SourcePostID)
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}
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existingPosts, err := getAnthrovePost(ctx, db, userSource.SourceID, postIDs) // Third Query
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if err != nil {
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return err
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}
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// for loop to convert PostReference to Post IDs
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var existingPostIDs []models.PostID
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for _, post := range existingPosts {
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existingPostIDs = append(existingPostIDs, models.PostID(post.PostID))
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}
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var existingFavPostIDs []models.PostID
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existingFavPostIDs, err = getAlreadyFavoritesPostIDs(ctx, db, existingPostIDs, userSource.ID) // Fourth Query
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if err != nil {
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return err
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}
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anthroveFaves := make([]models.UserFavorite, 0, len(existingPosts))
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newPosts := make([]models.Post, 0, len(existingPosts))
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for _, post := range posts {
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if !slices.ContainsFunc(existingPosts, func(reference models.PostReference) bool {
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found := reference.SourcePostID == post.References[0].SourcePostID
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if found {
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// If Favoure is already existing skip this step TODO
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if !slices.Contains(existingFavPostIDs, models.PostID(reference.PostID)) {
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anthroveFaves = append(anthroveFaves, models.UserFavorite{
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UserID: userSource.UserID,
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PostID: models.PostID(reference.PostID),
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UserSourceID: userSource.ID,
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})
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}
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}
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return found
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}) {
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// Here we always need to create a fav because new post, so new fav too!
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anthroveFaves = append(anthroveFaves, models.UserFavorite{
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UserID: userSource.UserID,
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PostID: post.ID,
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UserSourceID: userSource.ID,
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})
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newPosts = append(newPosts, post)
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}
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}
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if len(newPosts) > 0 {
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err = database.CreatePostInBatch(ctx, newPosts, BatchSize) // Fifth Query
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if err != nil {
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return err
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}
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}
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if len(anthroveFaves) > 0 {
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err = database.CreateUserFavoriteInBatch(ctx, anthroveFaves, BatchSize) // Sixth Query
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if err != nil {
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return err
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}
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}
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return nil
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}
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func getAnthrovePost(ctx context.Context, gorm *gorm.DB, id models.SourceID, postIDs []string) ([]models.PostReference, error) {
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var existingPosts []models.PostReference
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err := gorm.WithContext(ctx).Model(models.PostReference{}).Find(&existingPosts, "source_id = ? AND source_post_id IN ?", id, postIDs).Error
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if err != nil {
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return existingPosts, err
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}
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return existingPosts, nil
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}
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func getAlreadyFavoritesPostIDs(ctx context.Context, gorm *gorm.DB, existingPostIDs []models.PostID, userSourceID models.UserSourceID) ([]models.PostID, error) {
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var existingFavPostIDS []models.PostID
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// SELECT * FROM UserFavourite WHERE post_id IN (Post IDS) AND user_source_id = {your id} // Second Query
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err := gorm.WithContext(ctx).Model(&models.UserFavorite{}).Select("post_id").Find(&existingFavPostIDS, "user_source_id = ? AND post_id IN ?", userSourceID, existingPostIDs).Error
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if err != nil {
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return existingFavPostIDS, err
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}
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return existingFavPostIDS, nil
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}
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