135 lines
2.8 KiB
Go
135 lines
2.8 KiB
Go
package database
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import (
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"database/sql"
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"errors"
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"fmt"
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log "maunium.net/go/maulogger/v2"
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"maunium.net/go/mautrix/util/dbutil"
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)
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type GuildQuery 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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guildSelect = "SELECT discord_id, guild_id, guild_name, bridge FROM guild"
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)
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func (gq *GuildQuery) New() *Guild {
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return &Guild{
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db: gq.db,
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log: gq.log,
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}
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}
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func (gq *GuildQuery) Get(discordID, guildID string) *Guild {
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query := guildSelect + " WHERE discord_id=$1 AND guild_id=$2"
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row := gq.db.QueryRow(query, discordID, guildID)
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if row == nil {
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return nil
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}
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return gq.New().Scan(row)
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}
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func (gq *GuildQuery) GetAll(discordID string) []*Guild {
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query := guildSelect + " WHERE discord_id=$1"
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rows, err := gq.db.Query(query, discordID)
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if err != nil || rows == nil {
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return nil
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}
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guilds := []*Guild{}
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for rows.Next() {
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guilds = append(guilds, gq.New().Scan(rows))
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}
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return guilds
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}
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func (gq *GuildQuery) Prune(discordID string, guilds []string) {
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// We need this interface slice because a variadic function can't mix
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// arguements with a `...` expanded slice.
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args := []interface{}{discordID}
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nGuilds := len(guilds)
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if nGuilds <= 0 {
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return
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}
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gq.log.Debugfln("prunning guilds for %s", discordID)
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// Build the in query
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inQuery := "$2"
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for i := 1; i < nGuilds; i++ {
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inQuery += fmt.Sprintf(", $%d", i+2)
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}
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// Add the arguements for the build query
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for _, guildID := range guilds {
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args = append(args, guildID)
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}
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// Now remove any guilds that the user has left.
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query := "DELETE FROM guild WHERE discord_id=$1 AND guild_id NOT IN (" +
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inQuery + ")"
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_, err := gq.db.Exec(query, args...)
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if err != nil {
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gq.log.Warnfln("Failed to remove old guilds for user %s: %v", discordID, err)
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}
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}
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type Guild struct {
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db *Database
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log log.Logger
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DiscordID string
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GuildID string
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GuildName string
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Bridge bool
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}
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func (g *Guild) Scan(row dbutil.Scannable) *Guild {
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err := row.Scan(&g.DiscordID, &g.GuildID, &g.GuildName, &g.Bridge)
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if err != nil {
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if !errors.Is(err, sql.ErrNoRows) {
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g.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 g
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}
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func (g *Guild) Upsert() {
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query := "INSERT INTO guild" +
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" (discord_id, guild_id, guild_name, bridge)" +
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" VALUES ($1, $2, $3, $4)" +
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" ON CONFLICT(discord_id, guild_id)" +
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" DO UPDATE SET guild_name=excluded.guild_name, bridge=excluded.bridge"
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_, err := g.db.Exec(query, g.DiscordID, g.GuildID, g.GuildName, g.Bridge)
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if err != nil {
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g.log.Warnfln("Failed to upsert guild %s for %s: %v", g.GuildID, g.DiscordID, err)
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}
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}
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func (g *Guild) Delete() {
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query := "DELETE FROM guild WHERE discord_id=$1 AND guild_id=$2"
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_, err := g.db.Exec(query, g.DiscordID, g.GuildID)
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if err != nil {
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g.log.Warnfln("Failed to delete guild %s for user %s: %v", g.GuildID, g.DiscordID, err)
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}
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}
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