3142e0ce84
* Delete all change logs AboutUserID on account deletion, and export them in the data export zip. * Log admin changes to ban/admin status of other users. * Log user deactivations/reactivations and deletions (self serve or admin deletion).
341 lines
8.7 KiB
Go
341 lines
8.7 KiB
Go
package deletion
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import (
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"fmt"
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"code.nonshy.com/nonshy/website/pkg/log"
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"code.nonshy.com/nonshy/website/pkg/models"
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"code.nonshy.com/nonshy/website/pkg/photo"
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)
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// DeleteUser wipes a user and all associated data from the database.
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func DeleteUser(user *models.User) error {
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log.Error("BEGIN DeleteUser(%d, %s)", user.ID, user.Username)
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// Remove all linked tables and assets.
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type remover struct {
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Step string
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Fn func(uint64) error
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}
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// Blank out the user's profile photo ID to avoid conflict removing their picture.
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user.RemoveProfilePhoto()
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// Tables to remove. In case of any unexpected DB errors, these tables are ordered
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// to remove the "safest" fields first.
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var todo = []remover{
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{"Notifications", DeleteNotifications},
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{"Likes", DeleteLikes},
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{"Threads", DeleteForumThreads},
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{"Comments", DeleteComments},
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{"Subscriptions", DeleteSubscriptions},
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{"Photos", DeleteUserPhotos},
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{"Private Photo Grants", DeletePrivateGrants},
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{"Certification Photo", DeleteCertification},
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{"Who's Nearby Locations", DeleteUserLocation},
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{"Comment Photos", DeleteUserCommentPhotos},
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{"Messages", DeleteUserMessages},
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{"Friends", DeleteFriends},
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{"Blocks", DeleteBlocks},
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{"Feedbacks", DeleteFeedbacks},
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{"Two Factor", DeleteTwoFactor},
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{"Profile Fields", DeleteProfile},
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{"User Notes", DeleteUserNotes},
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{"Change Logs", DeleteChangeLogs},
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}
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for _, item := range todo {
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if err := item.Fn(user.ID); err != nil {
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return fmt.Errorf("%s: %s", item.Step, err)
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}
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}
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// Remove the user itself.
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return user.Delete()
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}
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// DeleteUserPhotos scrubs data for deleting a user.
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func DeleteUserPhotos(userID uint64) error {
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log.Error("DeleteUser: BEGIN DeleteUserPhotos(%d)", userID)
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// Deeply scrub all user photos.
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pager := &models.Pagination{
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Page: 1,
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PerPage: 20,
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Sort: "photos.id",
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}
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for {
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photos, err := models.PaginateUserPhotos(
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userID,
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models.UserGallery{
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Visibility: models.PhotoVisibilityAll,
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},
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pager,
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)
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if err != nil {
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return err
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}
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if len(photos) == 0 {
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break
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}
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for _, item := range photos {
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log.Warn("DeleteUserPhotos(%d): remove file %s", userID, item.Filename)
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photo.Delete(item.Filename)
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if item.CroppedFilename != "" {
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log.Warn("DeleteUserPhotos(%d): remove file %s", userID, item.CroppedFilename)
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photo.Delete(item.CroppedFilename)
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}
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if err := item.Delete(); err != nil {
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return err
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}
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}
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}
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log.Error("DeleteUser: END DeleteUserPhotos(%d)", userID)
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return nil
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}
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// DeleteUserCommentPhotos scrubs data for deleting a user.
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func DeleteUserCommentPhotos(userID uint64) error {
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log.Error("DeleteUser: BEGIN DeleteUserCommentPhotos(%d)", userID)
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// Deeply scrub all user photos.
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pager := &models.Pagination{
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Page: 1,
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PerPage: 20,
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Sort: "comment_photos.id",
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}
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for {
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photos, err := models.PaginateUserCommentPhotos(
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userID,
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pager,
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)
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if err != nil {
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return err
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}
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if len(photos) == 0 {
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break
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}
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for _, item := range photos {
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log.Warn("DeleteUserCommentPhotos(%d): remove file %s", userID, item.Filename)
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photo.Delete(item.Filename)
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if err := item.Delete(); err != nil {
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return err
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}
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}
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}
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log.Error("DeleteUser: END DeleteUserPhotos(%d)", userID)
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return nil
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}
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// DeleteCertification scrubs data for deleting a user.
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func DeleteCertification(userID uint64) error {
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log.Error("DeleteUser: DeleteCertification(%d)", userID)
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if cert, err := models.GetCertificationPhoto(userID); err == nil {
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if cert.Filename != "" {
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log.Warn("DeleteCertification(%d): remove file %s", userID, cert.Filename)
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photo.Delete(cert.Filename)
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}
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return cert.Delete()
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}
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return nil
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}
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// DeleteTwoFactor scrubs data for deleting a user.
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func DeleteTwoFactor(userID uint64) error {
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log.Error("DeleteUser: DeleteTwoFactor(%d)", userID)
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result := models.DB.Where(
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"user_id = ?",
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userID,
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).Delete(&models.TwoFactor{})
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return result.Error
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}
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// DeleteUserLocation scrubs data for deleting a user.
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func DeleteUserLocation(userID uint64) error {
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log.Error("DeleteUser: DeleteUserLocation(%d)", userID)
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result := models.DB.Where(
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"user_id = ?",
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userID,
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).Delete(&models.UserLocation{})
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return result.Error
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}
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// DeleteUserMessages scrubs data for deleting a user.
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func DeleteUserMessages(userID uint64) error {
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log.Error("DeleteUser: DeleteUserMessages(%d)", userID)
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result := models.DB.Where(
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"source_user_id = ? OR target_user_id = ?",
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userID, userID,
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).Delete(&models.Message{})
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return result.Error
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}
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// DeleteFriends scrubs data for deleting a user.
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func DeleteFriends(userID uint64) error {
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log.Error("DeleteUser: DeleteUserFriends(%d)", userID)
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result := models.DB.Where(
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"source_user_id = ? OR target_user_id = ?",
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userID, userID,
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).Delete(&models.Friend{})
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return result.Error
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}
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// DeleteBlocks scrubs data for deleting a user.
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func DeleteBlocks(userID uint64) error {
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log.Error("DeleteUser: DeleteBlocks(%d)", userID)
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result := models.DB.Where(
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"source_user_id = ? OR target_user_id = ?",
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userID, userID,
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).Delete(&models.Block{})
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return result.Error
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}
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// DeleteFeedbacks scrubs data for deleting a user.
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func DeleteFeedbacks(userID uint64) error {
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log.Error("DeleteUser: DeleteFeedbacks(%d)", userID)
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result := models.DB.Where(
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"user_id = ? OR (table_name='users' AND table_id=?)",
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userID, userID,
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).Delete(&models.Feedback{})
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return result.Error
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}
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// DeletePrivateGrants scrubs data for deleting a user.
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func DeletePrivateGrants(userID uint64) error {
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log.Error("DeleteUser: DeletePrivateGrants(%d)", userID)
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result := models.DB.Where(
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"source_user_id = ? OR target_user_id = ?",
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userID, userID,
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).Delete(&models.PrivatePhoto{})
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return result.Error
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}
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// DeleteNotifications scrubs all notifications about a user.
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func DeleteNotifications(userID uint64) error {
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log.Error("DeleteUser: DeleteNotifications(%d)", userID)
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result := models.DB.Where(
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"user_id = ? OR about_user_id = ?",
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userID, userID,
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).Delete(&models.Notification{})
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return result.Error
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}
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// DeleteSubscriptions scrubs all notification subscriptions about a user.
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func DeleteSubscriptions(userID uint64) error {
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log.Error("DeleteUser: DeleteSubscriptions(%d)", userID)
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result := models.DB.Where(
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"user_id = ?",
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userID,
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).Delete(&models.Subscription{})
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return result.Error
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}
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// DeleteLikes scrubs all Likes about a user.
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func DeleteLikes(userID uint64) error {
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log.Error("DeleteUser: DeleteLikes(%d)", userID)
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result := models.DB.Where(
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"user_id = ? OR (table_name='users' AND table_id=?)",
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userID, userID,
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).Delete(&models.Like{})
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return result.Error
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}
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// DeleteProfile scrubs data for deleting a user.
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func DeleteProfile(userID uint64) error {
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log.Error("DeleteUser: DeleteProfile(%d)", userID)
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result := models.DB.Where(
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"user_id = ?",
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userID,
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).Delete(&models.ProfileField{})
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return result.Error
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}
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// DeleteForumThreads scrubs all forum threads started by the user.
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func DeleteForumThreads(userID uint64) error {
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log.Error("DeleteUser: DeleteForumThreads(%d)", userID)
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var threadIDs = []uint64{}
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result := models.DB.Table(
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"threads",
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).Joins(
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"JOIN comments ON (threads.comment_id = comments.id)",
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).Select(
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"distinct(threads.id) as id",
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).Where(
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"comments.user_id = ?",
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userID,
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).Scan(&threadIDs)
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if result.Error != nil {
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return fmt.Errorf("Couldn't list thread IDs created by user: %s", result.Error)
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}
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log.Warn("thread IDs to wipe: %+v", threadIDs)
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// Wipe all these threads and their comments.
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if len(threadIDs) > 0 {
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// First, delete the threads - so they won't be referring to comment_ids that we
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// delete next and causing errors to arise.
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result = models.DB.Where(
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"id IN ?",
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threadIDs,
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).Delete(&models.Thread{})
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if result.Error != nil {
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return fmt.Errorf("Couldn't delete your forum threads: %s", result.Error)
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}
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// Remove the comments.
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result = models.DB.Where(
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"table_name = ? AND table_id IN ?",
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"threads", threadIDs,
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).Delete(&models.Comment{})
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if result.Error != nil {
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return fmt.Errorf("Couldn't wipe threads of comments: %s", result.Error)
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}
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return result.Error
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}
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return nil
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}
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// DeleteComments deletes all comments by the user.
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func DeleteComments(userID uint64) error {
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log.Error("DeleteUser: DeleteComments(%d)", userID)
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result := models.DB.Where(
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"user_id = ?",
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userID,
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).Delete(&models.Comment{})
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return result.Error
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}
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// DeleteUserNotes scrubs data for deleting a user.
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func DeleteUserNotes(userID uint64) error {
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log.Error("DeleteUser: DeleteUserNotes(%d)", userID)
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result := models.DB.Where(
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"user_id = ? OR about_user_id = ?",
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userID, userID,
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).Delete(&models.UserNote{})
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return result.Error
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}
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// DeleteChangeLogs scrubs data for deleting a user.
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func DeleteChangeLogs(userID uint64) error {
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log.Error("DeleteUser: DeleteChangeLogs(%d)", userID)
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result := models.DB.Where(
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"about_user_id = ?",
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userID,
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).Delete(&models.ChangeLog{})
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return result.Error
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}
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