340 lines
8.5 KiB
Go
340 lines
8.5 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package bundb
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import (
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"context"
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"slices"
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"time"
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"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/state"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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"github.com/uptrace/bun"
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)
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type filterDB struct {
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db *bun.DB
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state *state.State
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}
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func (f *filterDB) GetFilterByID(ctx context.Context, id string) (*gtsmodel.Filter, error) {
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filter, err := f.state.Caches.GTS.Filter.LoadOne(
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"ID",
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func() (*gtsmodel.Filter, error) {
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var filter gtsmodel.Filter
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err := f.db.
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NewSelect().
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Model(&filter).
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Where("? = ?", bun.Ident("id"), id).
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Scan(ctx)
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return &filter, err
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},
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id,
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)
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if err != nil {
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// already processed
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return nil, err
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}
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if !gtscontext.Barebones(ctx) {
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if err := f.populateFilter(ctx, filter); err != nil {
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return nil, err
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}
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}
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return filter, nil
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}
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func (f *filterDB) GetFiltersForAccountID(ctx context.Context, accountID string) ([]*gtsmodel.Filter, error) {
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// Fetch IDs of all filters owned by this account.
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var filterIDs []string
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if err := f.db.
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NewSelect().
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Model((*gtsmodel.Filter)(nil)).
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Column("id").
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Where("? = ?", bun.Ident("account_id"), accountID).
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Scan(ctx, &filterIDs); err != nil {
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return nil, err
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}
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if len(filterIDs) == 0 {
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return nil, nil
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}
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// Get each filter by ID from the cache or DB.
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uncachedFilterIDs := make([]string, 0, len(filterIDs))
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filters, err := f.state.Caches.GTS.Filter.Load(
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"ID",
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func(load func(keyParts ...any) bool) {
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for _, id := range filterIDs {
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if !load(id) {
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uncachedFilterIDs = append(uncachedFilterIDs, id)
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}
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}
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},
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func() ([]*gtsmodel.Filter, error) {
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uncachedFilters := make([]*gtsmodel.Filter, 0, len(uncachedFilterIDs))
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if err := f.db.
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NewSelect().
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Model(&uncachedFilters).
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Where("? IN (?)", bun.Ident("id"), bun.In(uncachedFilterIDs)).
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Scan(ctx); err != nil {
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return nil, err
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}
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return uncachedFilters, nil
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},
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)
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if err != nil {
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return nil, err
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}
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// Put the filter structs in the same order as the filter IDs.
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util.OrderBy(filters, filterIDs, func(filter *gtsmodel.Filter) string { return filter.ID })
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if gtscontext.Barebones(ctx) {
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return filters, nil
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}
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// Populate the filters. Remove any that we can't populate from the return slice.
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errs := gtserror.NewMultiError(len(filters))
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filters = slices.DeleteFunc(filters, func(filter *gtsmodel.Filter) bool {
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if err := f.populateFilter(ctx, filter); err != nil {
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errs.Appendf("error populating filter %s: %w", filter.ID, err)
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return true
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}
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return false
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})
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return filters, errs.Combine()
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}
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func (f *filterDB) populateFilter(ctx context.Context, filter *gtsmodel.Filter) error {
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var err error
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errs := gtserror.NewMultiError(2)
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if filter.Keywords == nil {
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// Filter keywords are not set, fetch from the database.
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filter.Keywords, err = f.state.DB.GetFilterKeywordsForFilterID(
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gtscontext.SetBarebones(ctx),
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filter.ID,
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)
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if err != nil {
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errs.Appendf("error populating filter keywords: %w", err)
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}
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for i := range filter.Keywords {
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filter.Keywords[i].Filter = filter
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}
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}
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if filter.Statuses == nil {
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// Filter statuses are not set, fetch from the database.
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filter.Statuses, err = f.state.DB.GetFilterStatusesForFilterID(
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gtscontext.SetBarebones(ctx),
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filter.ID,
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)
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if err != nil {
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errs.Appendf("error populating filter statuses: %w", err)
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}
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for i := range filter.Statuses {
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filter.Statuses[i].Filter = filter
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}
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}
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return errs.Combine()
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}
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func (f *filterDB) PutFilter(ctx context.Context, filter *gtsmodel.Filter) error {
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// Update database.
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if err := f.db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
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if _, err := tx.
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NewInsert().
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Model(filter).
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Exec(ctx); err != nil {
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return err
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}
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if len(filter.Keywords) > 0 {
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if _, err := tx.
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NewInsert().
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Model(&filter.Keywords).
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Exec(ctx); err != nil {
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return err
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}
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}
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if len(filter.Statuses) > 0 {
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if _, err := tx.
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NewInsert().
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Model(&filter.Statuses).
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Exec(ctx); 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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}); err != nil {
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return err
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}
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// Update cache.
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f.state.Caches.GTS.Filter.Put(filter)
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f.state.Caches.GTS.FilterKeyword.Put(filter.Keywords...)
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f.state.Caches.GTS.FilterStatus.Put(filter.Statuses...)
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return nil
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}
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func (f *filterDB) UpdateFilter(
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ctx context.Context,
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filter *gtsmodel.Filter,
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filterColumns []string,
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filterKeywordColumns []string,
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deleteFilterKeywordIDs []string,
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deleteFilterStatusIDs []string,
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) error {
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updatedAt := time.Now()
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filter.UpdatedAt = updatedAt
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for _, filterKeyword := range filter.Keywords {
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filterKeyword.UpdatedAt = updatedAt
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}
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for _, filterStatus := range filter.Statuses {
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filterStatus.UpdatedAt = updatedAt
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}
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// If we're updating by column, ensure "updated_at" is included.
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if len(filterColumns) > 0 {
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filterColumns = append(filterColumns, "updated_at")
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}
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if len(filterKeywordColumns) > 0 {
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filterKeywordColumns = append(filterKeywordColumns, "updated_at")
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}
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// Update database.
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if err := f.db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
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if _, err := tx.
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NewUpdate().
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Model(filter).
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Column(filterColumns...).
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Where("? = ?", bun.Ident("id"), filter.ID).
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Exec(ctx); err != nil {
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return err
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}
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if len(filter.Keywords) > 0 {
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if _, err := NewUpsert(tx).
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Model(&filter.Keywords).
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Constraint("id").
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Column(filterKeywordColumns...).
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Exec(ctx); err != nil {
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return err
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}
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}
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if len(filter.Statuses) > 0 {
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if _, err := tx.
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NewInsert().
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Ignore().
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Model(&filter.Statuses).
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Exec(ctx); err != nil {
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return err
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}
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}
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if len(deleteFilterKeywordIDs) > 0 {
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if _, err := tx.
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NewDelete().
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Model((*gtsmodel.FilterKeyword)(nil)).
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Where("? = (?)", bun.Ident("id"), bun.In(deleteFilterKeywordIDs)).
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Exec(ctx); err != nil {
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return err
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}
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}
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if len(deleteFilterStatusIDs) > 0 {
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if _, err := tx.
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NewDelete().
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Model((*gtsmodel.FilterStatus)(nil)).
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Where("? = (?)", bun.Ident("id"), bun.In(deleteFilterStatusIDs)).
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Exec(ctx); 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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}); err != nil {
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return err
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}
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// Update cache.
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f.state.Caches.GTS.Filter.Put(filter)
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f.state.Caches.GTS.FilterKeyword.Put(filter.Keywords...)
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f.state.Caches.GTS.FilterStatus.Put(filter.Statuses...)
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// TODO: (Vyr) replace with cache multi-invalidate call
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for _, id := range deleteFilterKeywordIDs {
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f.state.Caches.GTS.FilterKeyword.Invalidate("ID", id)
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}
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for _, id := range deleteFilterStatusIDs {
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f.state.Caches.GTS.FilterStatus.Invalidate("ID", id)
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}
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return nil
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}
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func (f *filterDB) DeleteFilterByID(ctx context.Context, id string) error {
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if err := f.db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
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// Delete all keywords attached to filter.
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if _, err := tx.
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NewDelete().
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Model((*gtsmodel.FilterKeyword)(nil)).
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Where("? = ?", bun.Ident("filter_id"), id).
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Exec(ctx); err != nil {
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return err
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}
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// Delete all statuses attached to filter.
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if _, err := tx.
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NewDelete().
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Model((*gtsmodel.FilterStatus)(nil)).
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Where("? = ?", bun.Ident("filter_id"), id).
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Exec(ctx); err != nil {
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return err
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}
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// Delete the filter itself.
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_, err := tx.
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NewDelete().
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Model((*gtsmodel.Filter)(nil)).
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Where("? = ?", bun.Ident("id"), id).
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Exec(ctx)
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return err
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}); err != nil {
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return err
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}
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// Invalidate this filter.
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f.state.Caches.GTS.Filter.Invalidate("ID", id)
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// Invalidate all keywords and statuses for this filter.
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f.state.Caches.GTS.FilterKeyword.Invalidate("FilterID", id)
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f.state.Caches.GTS.FilterStatus.Invalidate("FilterID", id)
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return nil
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}
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