refactor(postgres): Refactor post retrieval functions and remove unnecessary code in tag and user creation

Signed-off-by: soxx <soxx@fenpa.ws>

internal/postgres/post.go

@@ -32,60 +32,42 @@ func CreateAnthrovePostNode(ctx context.Context, db *gorm.DB, anthrovePost *mode
 
 func GetPostByAnthroveID(ctx context.Context, db *gorm.DB, anthrovePostID string) (*models.Post, error) {
 	if anthrovePostID == "" {
-		return false, fmt.Errorf("anthrovePostID is required")
+		return nil, fmt.Errorf("anthrovePostID is required")
 	}
 
-	return executeCheckQuery(ctx, db, "id = ?", string(anthrovePostID))
+	var post models.Post
+	err := db.WithContext(ctx).First(&post, "id = ?", anthrovePostID).Error
+	if err != nil {
+		return nil, err
+	}
+
+	return &post, nil
 }
 
-func GetPostBySourceURL(ctx context.Context, db *gorm.DB, sourceURL string) (*models.Post, bool, error) {
+func GetPostBySourceURL(ctx context.Context, db *gorm.DB, sourceURL string) (*models.Post, error) {
 	var post models.Post
 	err := db.WithContext(ctx).Raw(`SELECT p.id AS id, p.rating as rating FROM "Post" AS p INNER JOIN "PostReference" AS pr ON p.id = pr.post_id AND pr.url = $1 LIMIT 1`, sourceURL).First(&post).Error
 
 	if err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
-			return nil, false, nil
+			return nil, nil
 		}
-		return nil, false, err
+		return nil, err
 	}
 
-	var post models.Post
-	err = db.WithContext(ctx).First(&post, "id = ?", postRef.PostID).Error
-
-	if err != nil {
-		return nil, false, err
-	}
-
-	pgPost := graphModels.AnthrovePost{
-		PostID: models.AnthrovePostID(post.ID),
-		Rating: post.Rating,
-	}
-
-	//TODO Now test it! :D
-	// Naaa
-	// D:
-	return &pgPost, true, nil
+	return &post, nil
 }
 
 func GetPostBySourceID(ctx context.Context, db *gorm.DB, sourceID string) (*models.Post, error) {
-	return executeCheckQuery(ctx, db, "source_id = ?", sourceID)
-}
+	var post models.Post
+	err := db.WithContext(ctx).Raw(`SELECT p.id AS id, p.rating as rating FROM "Post" AS p INNER JOIN "PostReference" AS pr ON p.id = pr.post_id AND pr.source_id = $1 LIMIT 1`, sourceID).First(&post).Error
 
-func executeCheckQuery(ctx context.Context, db *gorm.DB, query string, args ...interface{}) (bool, error) {
-	var count int64
-
-	err := db.WithContext(ctx).Model(&models.Post{}).Where(query, args...).Count(&count).Error
 	if err != nil {
-		return false, err
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, err
 	}
 
-	exists := count > 0
-
-	log.WithFields(log.Fields{
-		"query":  query,
-		"args":   args,
-		"exists": exists,
-	}).Trace("database: executed check query")
-
-	return exists, nil
+	return &post, nil
 }

internal/postgres/tag.go

@@ -30,12 +30,6 @@ func CreateTagNodeWitRelation(ctx context.Context, db *gorm.DB, PostID models.An
 		return fmt.Errorf("PostID is empty")
 	}
 
-	resultTag := db.WithContext(ctx).Where(tag).FirstOrCreate(tag)
-
-	if resultTag.Error != nil {
-		return resultTag.Error
-	}
-
 	pgPost := models.Post{
 		BaseModel: models.BaseModel{
 			ID: string(PostID),

internal/postgres/user.go

@@ -37,19 +37,6 @@ func CreateUserNodeWithSourceRelation(ctx context.Context, db *gorm.DB, anthrove
 		return fmt.Errorf("anthroveUserID cannot be empty")
 	}
 
-	user := models.User{
-		BaseModel: models.BaseModel{
-			ID: string(anthroveUserID),
-		},
-	}
-
-	if err := db.WithContext(ctx).FirstOrCreate(&user).Error; err != nil {
-		log.WithFields(log.Fields{
-			"anthrove_user_id": anthroveUserID,
-		}).Error("database: failed to find or create user")
-		return err
-	}
-
 	source := models.Source{
 		Domain: sourceDomain,
 	}
@@ -62,7 +49,7 @@ func CreateUserNodeWithSourceRelation(ctx context.Context, db *gorm.DB, anthrove
 	}
 
 	userSource := models.UserSource{
-		UserID:          user.ID,
+		User:            models.User{BaseModel: models.BaseModel{ID: string(anthroveUserID)}},
 		SourceID:        source.ID,
 		AccountUsername: username,
 		AccountID:       userID,

pkg/models/userSource.go

@@ -1,6 +1,7 @@
 package models
 
 type UserSource struct {
+	User               User   `gorm:"foreignKey:ID;references:UserID"`
 	UserID             string `gorm:"primaryKey"`
 	Source             Source `gorm:"foreignKey:ID;references:SourceID"`
 	SourceID           string `gorm:"primaryKey"`