1 files changed, 0 insertions, 127 deletions
diff --git a/internal/db/follows.go b/internal/db/follows.go
deleted file mode 100644
index bf50042a..00000000
--- a/internal/db/follows.go
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2022 The Gogs Authors. All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-
-package db
-
-import (
-	"context"
-
-	"github.com/pkg/errors"
-	"gorm.io/gorm"
-)
-
-// FollowsStore is the persistent interface for user follows.
-//
-// NOTE: All methods are sorted in alphabetical order.
-type FollowsStore interface {
-	// Follow marks the user to follow the other user.
-	Follow(ctx context.Context, userID, followID int64) error
-	// IsFollowing returns true if the user is following the other user.
-	IsFollowing(ctx context.Context, userID, followID int64) bool
-	// Unfollow removes the mark the user to follow the other user.
-	Unfollow(ctx context.Context, userID, followID int64) error
-}
-
-var Follows FollowsStore
-
-var _ FollowsStore = (*follows)(nil)
-
-type follows struct {
-	*gorm.DB
-}
-
-// NewFollowsStore returns a persistent interface for user follows with given
-// database connection.
-func NewFollowsStore(db *gorm.DB) FollowsStore {
-	return &follows{DB: db}
-}
-
-func (*follows) updateFollowingCount(tx *gorm.DB, userID, followID int64) error {
-	/*
-		Equivalent SQL for PostgreSQL:
-
-		UPDATE "user"
-		SET num_followers = (
-			SELECT COUNT(*) FROM follow WHERE follow_id = @followID
-		)
-		WHERE id = @followID
-	*/
-	err := tx.Model(&User{}).
-		Where("id = ?", followID).
-		Update(
-			"num_followers",
-			tx.Model(&Follow{}).Select("COUNT(*)").Where("follow_id = ?", followID),
-		).
-		Error
-	if err != nil {
-		return errors.Wrap(err, `update "user.num_followers"`)
-	}
-
-	/*
-		Equivalent SQL for PostgreSQL:
-
-		UPDATE "user"
-		SET num_following = (
-			SELECT COUNT(*) FROM follow WHERE user_id = @userID
-		)
-		WHERE id = @userID
-	*/
-	err = tx.Model(&User{}).
-		Where("id = ?", userID).
-		Update(
-			"num_following",
-			tx.Model(&Follow{}).Select("COUNT(*)").Where("user_id = ?", userID),
-		).
-		Error
-	if err != nil {
-		return errors.Wrap(err, `update "user.num_following"`)
-	}
-	return nil
-}
-
-func (db *follows) Follow(ctx context.Context, userID, followID int64) error {
-	if userID == followID {
-		return nil
-	}
-
-	return db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
-		f := &Follow{
-			UserID:   userID,
-			FollowID: followID,
-		}
-		result := tx.FirstOrCreate(f, f)
-		if result.Error != nil {
-			return errors.Wrap(result.Error, "upsert")
-		} else if result.RowsAffected <= 0 {
-			return nil // Relation already exists
-		}
-
-		return db.updateFollowingCount(tx, userID, followID)
-	})
-}
-
-func (db *follows) IsFollowing(ctx context.Context, userID, followID int64) bool {
-	return db.WithContext(ctx).Where("user_id = ? AND follow_id = ?", userID, followID).First(&Follow{}).Error == nil
-}
-
-func (db *follows) Unfollow(ctx context.Context, userID, followID int64) error {
-	if userID == followID {
-		return nil
-	}
-
-	return db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
-		err := tx.Where("user_id = ? AND follow_id = ?", userID, followID).Delete(&Follow{}).Error
-		if err != nil {
-			return errors.Wrap(err, "delete")
-		}
-		return db.updateFollowingCount(tx, userID, followID)
-	})
-}
-
-// Follow represents relations of users and their followers.
-type Follow struct {
-	ID       int64 `gorm:"primaryKey"`
-	UserID   int64 `xorm:"UNIQUE(follow)" gorm:"uniqueIndex:follow_user_follow_unique;not null"`
-	FollowID int64 `xorm:"UNIQUE(follow)" gorm:"uniqueIndex:follow_user_follow_unique;not null"`
-}