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Diffstat (limited to 'internal/config/yaml.go')
-rw-r--r--internal/config/yaml.go71
1 files changed, 71 insertions, 0 deletions
diff --git a/internal/config/yaml.go b/internal/config/yaml.go
new file mode 100644
index 0000000..335dede
--- /dev/null
+++ b/internal/config/yaml.go
@@ -0,0 +1,71 @@
+package config
+
+import "fmt"
+
+type Group struct {
+ Group string
+ Feeds []configGroupFeed
+}
+
+type configGroupFeed struct {
+ Target *string
+ Feed `yaml:",inline"`
+ Group `yaml:",inline"`
+}
+
+func (grpFeed *configGroupFeed) isGroup() bool {
+ return grpFeed.Group.Group != ""
+}
+
+func (grpFeed *configGroupFeed) isFeed() bool {
+ return grpFeed.Name != ""
+}
+
+func (grpFeed *configGroupFeed) target() string {
+ if grpFeed.Target != nil {
+ return *grpFeed.Target
+ }
+ if grpFeed.Name != "" {
+ return grpFeed.Name
+ }
+
+ return grpFeed.Group.Group
+}
+
+func appTarget(target, app string) string {
+ if target == "" {
+ return app
+ }
+
+ if app == "" {
+ return target
+ }
+
+ return target + "/" + app
+}
+
+// Parse the group structure and populate the `Target` fields in the feeds
+func buildFeeds(cfg []configGroupFeed, target string, feeds Feeds) error {
+ for _, f := range cfg {
+ target := appTarget(target, f.target())
+ switch {
+ case f.isFeed() && f.isGroup():
+ return fmt.Errorf("Entry with Target %s is both a Feed and a group", target)
+
+ case f.isFeed():
+ name := f.Feed.Name
+ if _, ok := feeds[name]; !ok {
+ return fmt.Errorf("Duplicate Feed Name '%s'", name)
+ }
+ f.Feed.Target = target
+ feeds[name] = &f.Feed
+
+ case f.isGroup():
+ if err := buildFeeds(f.Group.Feeds, target, feeds); err != nil {
+ return err
+ }
+ }
+ }
+
+ return nil
+}