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