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scrapers.go
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/
scrapers.go
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package models
import (
"context"
"fmt"
)
// ScraperConfig is a JSON compatible struct to keep the configuration of a scraper
type ScraperConfig interface{}
// ScraperState is a JSON compatible struct to keep the state of a scraper
type ScraperState interface{}
func (rdb *RelDB) GetScraperState(ctx context.Context, scraperName string, state ScraperState) error {
return rdb.postgresClient.QueryRow(ctx, fmt.Sprintf("select state from %s where name=$1", scrapersTable), scraperName).Scan(state)
}
func (rdb *RelDB) SetScraperState(ctx context.Context, scraperName string, state ScraperState) error {
_, err := rdb.postgresClient.Exec(ctx, fmt.Sprintf("insert into %s(name, state) values($1, $2) on conflict(name) do update set state=excluded.state", scrapersTable),
scraperName,
state,
)
return err
}
func (rdb *RelDB) GetScraperConfig(ctx context.Context, scraperName string, config ScraperConfig) error {
return rdb.postgresClient.QueryRow(ctx, fmt.Sprintf("select conf from %s where name=$1", scrapersTable), scraperName).Scan(config)
}
func (rdb *RelDB) SetScraperConfig(ctx context.Context, scraperName string, config ScraperConfig) error {
_, err := rdb.postgresClient.Exec(ctx, fmt.Sprintf("insert into %s(name, conf) values($1, $2) on conflict(name) do update set conf=excluded.conf", scrapersTable),
scraperName,
config,
)
return err
}