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filter_rules.go
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/
filter_rules.go
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package history
import (
"context"
"database/sql"
sq "github.com/Masterminds/squirrel"
"github.com/lib/pq"
)
const (
assetFilterRulesTableName = "asset_filter_rules"
accountFilterRulesTableName = "account_filter_rules"
whitelistColumnName = "whitelist"
enabledColumnName = "enabled"
lastModifiedColumnName = "last_modified"
)
type AssetFilterConfig struct {
Enabled bool `db:"enabled"`
Whitelist pq.StringArray `db:"whitelist"`
LastModified int64 `db:"last_modified"`
}
type AccountFilterConfig struct {
Enabled bool `db:"enabled"`
Whitelist pq.StringArray `db:"whitelist"`
LastModified int64 `db:"last_modified"`
}
type QFilter interface {
GetAccountFilterConfig(ctx context.Context) (AccountFilterConfig, error)
GetAssetFilterConfig(ctx context.Context) (AssetFilterConfig, error)
UpdateAssetFilterConfig(ctx context.Context, config AssetFilterConfig) (AssetFilterConfig, error)
UpdateAccountFilterConfig(ctx context.Context, config AccountFilterConfig) (AccountFilterConfig, error)
}
func (q *Q) GetAccountFilterConfig(ctx context.Context) (AccountFilterConfig, error) {
filterConfig := AccountFilterConfig{}
sql := sq.Select("*").From(accountFilterRulesTableName)
err := q.Get(ctx, &filterConfig, sql)
return filterConfig, err
}
func (q *Q) GetAssetFilterConfig(ctx context.Context) (AssetFilterConfig, error) {
filterConfig := AssetFilterConfig{}
sql := sq.Select("*").From(assetFilterRulesTableName)
err := q.Get(ctx, &filterConfig, sql)
return filterConfig, err
}
func (q *Q) UpdateAssetFilterConfig(ctx context.Context, config AssetFilterConfig) (AssetFilterConfig, error) {
updateCols := map[string]interface{}{
lastModifiedColumnName: sq.Expr(`extract(epoch from now() at time zone 'utc')`),
enabledColumnName: config.Enabled,
whitelistColumnName: config.Whitelist,
}
sqlUpdate := sq.Update(assetFilterRulesTableName).SetMap(updateCols)
rowCnt, err := q.checkForError(sqlUpdate, ctx)
if err != nil {
return AssetFilterConfig{}, err
}
if rowCnt < 1 {
return AssetFilterConfig{}, sql.ErrNoRows
}
return q.GetAssetFilterConfig(ctx)
}
func (q *Q) UpdateAccountFilterConfig(ctx context.Context, config AccountFilterConfig) (AccountFilterConfig, error) {
updateCols := map[string]interface{}{
lastModifiedColumnName: sq.Expr(`extract(epoch from now() at time zone 'utc')`),
enabledColumnName: config.Enabled,
whitelistColumnName: config.Whitelist,
}
sqlUpdate := sq.Update(accountFilterRulesTableName).SetMap(updateCols)
rowCnt, err := q.checkForError(sqlUpdate, ctx)
if err != nil {
return AccountFilterConfig{}, err
}
if rowCnt < 1 {
return AccountFilterConfig{}, sql.ErrNoRows
}
return q.GetAccountFilterConfig(ctx)
}
func (q *Q) checkForError(builder sq.Sqlizer, ctx context.Context) (int64, error) {
result, err := q.Exec(ctx, builder)
if err != nil {
return 0, err
}
return result.RowsAffected()
}