150 lines
3.7 KiB
Go
150 lines
3.7 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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"errors"
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"time"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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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 ruleDB struct {
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db *bun.DB
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state *state.State
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}
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func (r *ruleDB) GetRuleByID(ctx context.Context, id string) (*gtsmodel.Rule, error) {
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var rule gtsmodel.Rule
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q := r.db.
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NewSelect().
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Model(&rule).
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Where("? = ?", bun.Ident("rule.id"), id)
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if err := q.Scan(ctx); err != nil {
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return nil, err
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}
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return &rule, nil
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}
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func (r *ruleDB) GetRulesByIDs(ctx context.Context, ids []string) ([]*gtsmodel.Rule, error) {
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rules := make([]*gtsmodel.Rule, 0, len(ids))
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for _, id := range ids {
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// Attempt to fetch status from DB.
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rule, err := r.GetRuleByID(ctx, id)
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if err != nil {
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log.Errorf(ctx, "error getting rule %q: %v", id, err)
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continue
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}
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// Append status to return slice.
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rules = append(rules, rule)
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}
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return rules, nil
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}
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func (r *ruleDB) GetActiveRules(ctx context.Context) ([]gtsmodel.Rule, error) {
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rules := make([]gtsmodel.Rule, 0)
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q := r.db.
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NewSelect().
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Model(&rules).
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// Ignore deleted (ie., inactive) rules.
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Where("? = ?", bun.Ident("rule.deleted"), false).
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Order("rule.order ASC")
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if err := q.Scan(ctx); err != nil {
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return nil, err
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}
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return rules, nil
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}
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func (r *ruleDB) PutRule(ctx context.Context, rule *gtsmodel.Rule) error {
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var lastRuleOrder uint
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// Select highest existing rule order.
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err := r.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("rules"), bun.Ident("rule")).
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Column("rule.order").
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Order("rule.order DESC").
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Limit(1).
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Scan(ctx, &lastRuleOrder)
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switch {
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case errors.Is(err, db.ErrNoEntries):
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// No rules set yet, index from 0.
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rule.Order = util.Ptr(uint(0))
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case err != nil:
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// Real db error.
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return err
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default:
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// No error means previous rule(s)
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// existed. New rule order should
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// be 1 higher than previous rule.
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rule.Order = func() *uint {
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o := lastRuleOrder + 1
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return &o
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}()
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}
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if _, err := r.db.
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NewInsert().
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Model(rule).
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Exec(ctx); err != nil {
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return err
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}
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// invalidate cached local instance response, so it gets updated with the new rules
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r.state.Caches.GTS.Instance.Invalidate("Domain", config.GetHost())
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return nil
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}
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func (r *ruleDB) UpdateRule(ctx context.Context, rule *gtsmodel.Rule) (*gtsmodel.Rule, error) {
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// Update the rule's last-updated
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rule.UpdatedAt = time.Now()
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if _, err := r.db.
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NewUpdate().
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Model(rule).
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WherePK().
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Exec(ctx); err != nil {
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return nil, err
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}
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// invalidate cached local instance response, so it gets updated with the new rules
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r.state.Caches.GTS.Instance.Invalidate("Domain", config.GetHost())
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return rule, nil
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}
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