Files
mautrix-discord/database/attachment.go
2022-05-28 23:03:24 +03:00

127 lines
3.1 KiB
Go

package database
import (
"database/sql"
"errors"
log "maunium.net/go/maulogger/v2"
"maunium.net/go/mautrix/id"
"maunium.net/go/mautrix/util/dbutil"
)
type AttachmentQuery struct {
db *Database
log log.Logger
}
const (
attachmentSelect = "SELECT dcid, dc_msg_id, dc_chan_id, dc_chan_receiver, dc_thread_id FROM attachment"
)
func (aq *AttachmentQuery) New() *Attachment {
return &Attachment{
db: aq.db,
log: aq.log,
}
}
func (aq *AttachmentQuery) GetAllByDiscordMessageID(key PortalKey, discordMessageID string) []*Attachment {
query := attachmentSelect + " WHERE dc_chan_id=$1 AND dc_chan_receiver=$2 AND dc_msg_id=$3"
return aq.getAll(query, key.ChannelID, key.Receiver, discordMessageID)
}
func (aq *AttachmentQuery) getAll(query string, args ...interface{}) []*Attachment {
rows, err := aq.db.Query(query, args...)
if err != nil {
aq.log.Debugfln("getAll failed: %v", err)
return nil
}
if rows == nil {
return nil
}
var attachments []*Attachment
for rows.Next() {
attachments = append(attachments, aq.New().Scan(rows))
}
return attachments
}
func (aq *AttachmentQuery) GetByDiscordID(key PortalKey, discordMessageID, discordID string) *Attachment {
query := attachmentSelect + " WHERE dc_chan_id=$1 AND dc_chan_receiver=$2 AND dc_msg_id=$3 AND dcid=$4"
return aq.get(query, key.ChannelID, key.Receiver, discordMessageID, discordID)
}
func (aq *AttachmentQuery) GetByMatrixID(key PortalKey, matrixEventID id.EventID) *Attachment {
query := attachmentSelect + " WHERE dc_chan_id=$1 AND dc_chan_receiver=$2 AND mxid=$3"
return aq.get(query, key.ChannelID, key.Receiver, matrixEventID)
}
func (aq *AttachmentQuery) get(query string, args ...interface{}) *Attachment {
row := aq.db.QueryRow(query, args...)
if row == nil {
return nil
}
return aq.New().Scan(row)
}
type Attachment struct {
db *Database
log log.Logger
Channel PortalKey
ThreadID string
MessageID string
ID string
MXID id.EventID
}
func (a *Attachment) DiscordProtoChannelID() string {
if a.ThreadID != "" {
return a.ThreadID
} else {
return a.Channel.ChannelID
}
}
func (a *Attachment) Scan(row dbutil.Scannable) *Attachment {
err := row.Scan(&a.ID, &a.MessageID, &a.Channel.ChannelID, &a.Channel.Receiver, &a.ThreadID, &a.MXID)
if err != nil {
if !errors.Is(err, sql.ErrNoRows) {
a.log.Errorln("Database scan failed:", err)
panic(err)
}
return nil
}
return a
}
func (a *Attachment) Insert() {
query := `
INSERT INTO attachment (dcid, dc_msg_id, dc_chan_id, dc_chan_receiver, mxid)
VALUES ($1, $2, $3, $4, $5)
`
_, err := a.db.Exec(query, a.ID, a.MessageID, a.Channel.ChannelID, a.Channel.Receiver, strPtr(a.ThreadID), a.MXID)
if err != nil {
a.log.Warnfln("Failed to insert attachment for %s@%s: %v", a.ID, a.Channel, err)
panic(err)
}
}
func (a *Attachment) Delete() {
query := `DELETE FROM attachment WHERE dc_chan_id=$1 AND dc_chan_receiver=$2 AND dcid=$3`
_, err := a.db.Exec(query, a.Channel.ChannelID, a.Channel.Receiver, a.ID)
if err != nil {
a.log.Warnfln("Failed to delete attachment for %s@%s: %v", a.ID, a.Channel, err)
panic(err)
}
}