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|
package user
import (
"context"
"database/sql"
"errors"
"time"
"git.anhgelus.world/anhgelus/les-copaings-bot/common"
)
type Copaing struct {
ID uint64
CopaingXPs []CopaingXP `gorm:"constraint:OnDelete:SET NULL;"`
GuildID uint64 `gorm:"not null"`
lastSaved int
}
type CopaingXP struct {
XP uint `gorm:"default:0"`
CopaingID uint64
GuildID uint64 `gorm:"not null;"`
CreatedAt time.Time
}
type CopaingAccess interface {
Copaing() *Copaing
GetXP() uint
}
func GetCopaing(ctx context.Context, discordID, guildID uint64) *CopaingCached {
state := GetState(ctx)
cc, err := state.Copaing(guildID, discordID)
if err != nil {
c := Copaing{ID: discordID, GuildID: guildID}
if err := c.load(ctx); err != nil {
panic(err)
}
cc = FromCopaing(&c)
}
return cc
}
func (c *Copaing) load(ctx context.Context) error {
db := common.GetDB(ctx)
row := db.QueryRowContext(
ctx,
`SELECT id, guild_id FROM copaings WHERE id = ? AND guild_id = ?`,
c.ID, c.GuildID,
)
c.CopaingXPs = make([]CopaingXP, 0)
c.lastSaved = 0
err := row.Err()
if err != nil {
if !errors.Is(err, sql.ErrNoRows) {
return err
}
_, err = db.ExecContext(
ctx,
`INSERT INTO copaings (id, guild_id) VALUES (?, ?)`,
c.ID, c.GuildID,
)
return err
}
rows, err := db.QueryContext(
ctx,
`SELECT xp, created_at FROM copaing_xps WHERE copaing_id = ? AND guild_id = ?`,
c.ID, c.GuildID,
)
if err != nil {
if !errors.Is(err, sql.ErrNoRows) {
return err
}
return nil
}
for rows.Next() {
var xp CopaingXP
err = rows.Scan(&xp.XP, &xp.CreatedAt)
if err != nil {
return err
}
xp.CopaingID = c.ID
xp.GuildID = c.GuildID
c.CopaingXPs = append(c.CopaingXPs, xp)
}
c.lastSaved = len(c.CopaingXPs)
return nil
}
func (c *Copaing) Save(ctx context.Context) error {
if c.lastSaved == len(c.CopaingXPs) {
return nil
}
db := common.GetDB(ctx)
for _, xp := range c.CopaingXPs[c.lastSaved:] {
_, err := db.ExecContext(
ctx,
`INSERT INTO copaing_xps (copaing_id, guild_id, xp) VALUES (?, ?, ?)`,
c.ID, c.GuildID, xp.XP,
)
if err != nil {
return err
}
c.lastSaved++
}
return nil
}
func (c *Copaing) Delete(ctx context.Context) error {
_, err := common.GetDB(ctx).ExecContext(
ctx,
`DELETE FROM copaings WHERE copaing_id = ? AND guild_id = ?`,
c.ID, c.GuildID,
)
c.lastSaved = 0
c.CopaingXPs = nil
return err
}
|
