97 lines
6.5 KiB
Go
97 lines
6.5 KiB
Go
// GoToSocial
|
|
// Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package gtsmodel
|
|
|
|
import (
|
|
"regexp"
|
|
"time"
|
|
)
|
|
|
|
// Filter stores a filter created by a local account.
|
|
type Filter struct {
|
|
ID string `bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // id of this item in the database
|
|
CreatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item created
|
|
UpdatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item last updated
|
|
ExpiresAt time.Time `bun:"type:timestamptz,nullzero"` // Time filter should expire. If null, should not expire.
|
|
AccountID string `bun:"type:CHAR(26),notnull,nullzero"` // ID of the local account that created the filter.
|
|
Title string `bun:",nullzero,notnull,unique"` // The name of the filter.
|
|
Action FilterAction `bun:",nullzero,notnull"` // The action to take.
|
|
Keywords []*FilterKeyword `bun:"-"` // Keywords for this filter.
|
|
Statuses []*FilterStatus `bun:"-"` // Statuses for this filter.
|
|
ContextHome *bool `bun:",nullzero,notnull,default:false"` // Apply filter to home timeline and lists.
|
|
ContextNotifications *bool `bun:",nullzero,notnull,default:false"` // Apply filter to notifications.
|
|
ContextPublic *bool `bun:",nullzero,notnull,default:false"` // Apply filter to home timeline and lists.
|
|
ContextThread *bool `bun:",nullzero,notnull,default:false"` // Apply filter when viewing a status's associated thread.
|
|
ContextAccount *bool `bun:",nullzero,notnull,default:false"` // Apply filter when viewing an account profile.
|
|
}
|
|
|
|
// Expired returns whether the filter has expired at a given time.
|
|
// Filters without an expiration timestamp never expire.
|
|
func (f *Filter) Expired(now time.Time) bool {
|
|
return !f.ExpiresAt.IsZero() && !f.ExpiresAt.After(now)
|
|
}
|
|
|
|
// FilterKeyword stores a single keyword to filter statuses against.
|
|
type FilterKeyword struct {
|
|
ID string `bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // id of this item in the database
|
|
CreatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item created
|
|
UpdatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item last updated
|
|
AccountID string `bun:"type:CHAR(26),notnull,nullzero"` // ID of the local account that created the filter keyword.
|
|
FilterID string `bun:"type:CHAR(26),notnull,nullzero,unique:filter_keywords_filter_id_keyword_uniq"` // ID of the filter that this keyword belongs to.
|
|
Filter *Filter `bun:"-"` // Filter corresponding to FilterID
|
|
Keyword string `bun:",nullzero,notnull,unique:filter_keywords_filter_id_keyword_uniq"` // The keyword or phrase to filter against.
|
|
WholeWord *bool `bun:",nullzero,notnull,default:false"` // Should the filter consider word boundaries?
|
|
Regexp *regexp.Regexp `bun:"-"` // pre-prepared regular expression
|
|
}
|
|
|
|
// Compile will compile this FilterKeyword as a prepared regular expression.
|
|
func (k *FilterKeyword) Compile() (err error) {
|
|
var wordBreak string
|
|
if k.WholeWord != nil && *k.WholeWord {
|
|
wordBreak = `\b`
|
|
}
|
|
|
|
// Compile keyword filter regexp.
|
|
quoted := regexp.QuoteMeta(k.Keyword)
|
|
k.Regexp, err = regexp.Compile(`(?i)` + wordBreak + quoted + wordBreak)
|
|
return // caller is expected to wrap this error
|
|
}
|
|
|
|
// FilterStatus stores a single status to filter.
|
|
type FilterStatus struct {
|
|
ID string `bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // id of this item in the database
|
|
CreatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item created
|
|
UpdatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item last updated
|
|
AccountID string `bun:"type:CHAR(26),notnull,nullzero"` // ID of the local account that created the filter keyword.
|
|
FilterID string `bun:"type:CHAR(26),notnull,nullzero,unique:filter_statuses_filter_id_status_id_uniq"` // ID of the filter that this keyword belongs to.
|
|
Filter *Filter `bun:"-"` // Filter corresponding to FilterID
|
|
StatusID string `bun:"type:CHAR(26),notnull,nullzero,unique:filter_statuses_filter_id_status_id_uniq"` // ID of the status to filter.
|
|
}
|
|
|
|
// FilterAction represents the action to take on a filtered status.
|
|
type FilterAction string
|
|
|
|
const (
|
|
// FilterActionNone filters should not exist, except internally, for partially constructed or invalid filters.
|
|
FilterActionNone FilterAction = ""
|
|
// FilterActionWarn means that the status should be shown behind a warning.
|
|
FilterActionWarn FilterAction = "warn"
|
|
// FilterActionHide means that the status should be removed from timeline results entirely.
|
|
FilterActionHide FilterAction = "hide"
|
|
)
|