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gotosocial/internal/gtsmodel/conversation.go

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// 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 (
"slices"
"strings"
"time"
"github.com/superseriousbusiness/gotosocial/internal/util/xslices"
)
// Conversation represents direct messages between the owner account and a set of other accounts.
type Conversation struct {
// ID of this item in the database.
ID string `bun:"type:CHAR(26),pk,nullzero,notnull,unique"`
// When was this item created?
CreatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"`
// When was this item last updated?
UpdatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"`
// Account that owns the conversation.
AccountID string `bun:"type:CHAR(26),nullzero,notnull,unique:conversations_thread_id_account_id_other_accounts_key_uniq,unique:conversations_account_id_last_status_id_uniq"`
Account *Account `bun:"-"`
// Other accounts participating in the conversation.
// Doesn't include the owner. May be empty in the case of a DM to yourself.
OtherAccountIDs []string `bun:"other_account_ids,array"`
OtherAccounts []*Account `bun:"-"`
// Denormalized lookup key derived from unique OtherAccountIDs, sorted and concatenated with commas.
// May be empty in the case of a DM to yourself.
OtherAccountsKey string `bun:",notnull,unique:conversations_thread_id_account_id_other_accounts_key_uniq"`
// Thread that the conversation is part of.
ThreadID string `bun:"type:CHAR(26),nullzero,notnull,unique:conversations_thread_id_account_id_other_accounts_key_uniq"`
// ID of the last status in this conversation.
LastStatusID string `bun:"type:CHAR(26),nullzero,notnull,unique:conversations_account_id_last_status_id_uniq"`
LastStatus *Status `bun:"-"`
// Has the owner read all statuses in this conversation?
Read *bool `bun:",default:false"`
}
// ConversationOtherAccountsKey creates an OtherAccountsKey from a list of OtherAccountIDs.
func ConversationOtherAccountsKey(otherAccountIDs []string) string {
otherAccountIDs = xslices.Deduplicate(otherAccountIDs)
slices.Sort(otherAccountIDs)
return strings.Join(otherAccountIDs, ",")
}
// ConversationToStatus is an intermediate struct to facilitate the many2many relationship between a conversation and its statuses,
// including but not limited to the last status. These are used only when deleting a status from a conversation.
type ConversationToStatus struct {
ConversationID string `bun:"type:CHAR(26),unique:conversation_to_statuses_conversation_id_status_id_uniq,nullzero,notnull"`
Conversation *Conversation `bun:"rel:belongs-to"`
StatusID string `bun:"type:CHAR(26),unique:conversation_to_statuses_conversation_id_status_id_uniq,nullzero,notnull"`
Status *Status `bun:"rel:belongs-to"`
}