Moved generic and broadly useful helper functions upstream into feedkit

internal/sinks/postgres/schema.go

@@ -1,10 +1,6 @@
 package postgres
 
 import (
-	"fmt"
-	"strings"
-
-	"gitea.maximumdirect.net/ejr/feedkit/config"
 	fksinks "gitea.maximumdirect.net/ejr/feedkit/sinks"
 )
 
@@ -18,31 +14,8 @@ const (
 	tableAlertReferences           = "alert_references"
 )
 
-// RegisterPostgresSchemas registers weatherfeeder's Postgres schema for each
-// configured sink using driver=postgres.
-func RegisterPostgresSchemas(cfg *config.Config) error {
-	if cfg == nil {
-		return fmt.Errorf("register postgres schemas: config is nil")
-	}
-
-	schema := weatherPostgresSchema()
-	for i, sk := range cfg.Sinks {
-		if !isPostgresDriver(sk.Driver) {
-			continue
-		}
-		if err := fksinks.RegisterPostgresSchema(sk.Name, schema); err != nil {
-			return fmt.Errorf("register postgres schema for sinks[%d] name=%q: %w", i, sk.Name, err)
-		}
-	}
-
-	return nil
-}
-
-func isPostgresDriver(driver string) bool {
-	return strings.EqualFold(strings.TrimSpace(driver), "postgres")
-}
-
-func weatherPostgresSchema() fksinks.PostgresSchema {
+// PostgresSchema returns weatherfeeder's Postgres schema definition.
+func PostgresSchema() fksinks.PostgresSchema {
 	return fksinks.PostgresSchema{
 		Tables: []fksinks.PostgresTable{
 			{