4 files changed, 21 insertions, 14 deletions

diff --git a/internal/feed/feed.go b/internal/feed/feed.go
index 4e84443..de28ef8 100644
--- a/internal/feed/feed.go
+++ b/internal/feed/feed.go
@@ -1,6 +1,7 @@
 package feed
 
 import (
+	"fmt"
 	"strings"
 	"time"
 
@@ -58,3 +59,14 @@ func (feed *Feed) MarkSuccess() {
 		feed.cached.Commit()
 	}
 }
+
+func Create(parsedFeed *config.Feed, global config.GlobalOptions) (*Feed, error) {
+	var itemFilter *filter.Filter
+	var err error
+	if parsedFeed.ItemFilter != "" {
+		if itemFilter, err = filter.New(parsedFeed.ItemFilter); err != nil {
+			return nil, fmt.Errorf("Feed %s: Parsing item-filter: %w", parsedFeed.Name, err)
+		}
+	}
+	return &Feed{Feed: parsedFeed, Global: global, filter: itemFilter}, nil
+}
diff --git a/internal/feed/state.go b/internal/feed/state.go
index 41d8751..364616f 100644
--- a/internal/feed/state.go
+++ b/internal/feed/state.go
@@ -2,12 +2,10 @@ package feed
 
 import (
 	"encoding/json"
-	"fmt"
 	"sync"
 
 	"github.com/mmcdole/gofeed"
 
-	"github.com/Necoro/feed2imap-go/internal/feed/filter"
 	"github.com/Necoro/feed2imap-go/pkg/config"
 	"github.com/Necoro/feed2imap-go/pkg/log"
 )
@@ -163,14 +161,11 @@ func NewState(cfg *config.Config) (*State, error) {
 	}
 
 	for name, parsedFeed := range cfg.Feeds {
-		var itemFilter *filter.Filter
-		var err error
-		if parsedFeed.ItemFilter != "" {
-			if itemFilter, err = filter.New(parsedFeed.ItemFilter); err != nil {
-				return nil, fmt.Errorf("Feed %s: Parsing item-filter: %w", parsedFeed.Name, err)
-			}
+		feed, err := Create(parsedFeed, cfg.GlobalOptions)
+		if err != nil {
+			return nil, err
 		}
-		state.feeds[name] = &Feed{Feed: parsedFeed, Global: cfg.GlobalOptions, filter: itemFilter}
+		state.feeds[name] = feed
 	}
 
 	return &state, nil
diff --git a/main.go b/main.go
index 99f104b..abc80fa 100644
--- a/main.go
+++ b/main.go
@@ -81,10 +81,6 @@ func run() error {
 		return err
 	}
 
-	if err = cfg.Validate(); err != nil {
-		return fmt.Errorf("Configuration invalid: %w", err)
-	}
-
 	state, err := feed.NewState(cfg)
 	if err != nil {
 		return err
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 31012a1..bfaefdf 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -104,7 +104,7 @@ func (opt GlobalOptions) WithPartHtml() bool {
 	return util.StrContains(opt.Parts, "html")
 }
 
-// Load configuration from file
+// Load configuration from file and validate it
 func Load(path string) (*Config, error) {
 	log.Printf("Reading configuration file '%s'", path)
 
@@ -118,6 +118,10 @@ func Load(path string) (*Config, error) {
 		return nil, fmt.Errorf("while parsing: %w", err)
 	}
 
+	if err = cfg.Validate(); err != nil {
+		return nil, fmt.Errorf("Configuration invalid: %w", err)
+	}
+
 	return cfg, nil
 }