From b01a98682ad7881c997fe5fc0770ef984013111f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20=27Necoro=27=20Neumann?= <necoro@necoro.eu>
Date: Fri, 17 Apr 2020 21:53:15 +0200
Subject: Split up main.go

---
 main.go | 138 ----------------------------------------------------------------
 1 file changed, 138 deletions(-)
 delete mode 100644 main.go

(limited to 'main.go')

diff --git a/main.go b/main.go
deleted file mode 100644
index b238ff0..0000000
--- a/main.go
+++ /dev/null
@@ -1,138 +0,0 @@
-package main
-
-import (
-	"flag"
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-
-	"gopkg.in/yaml.v3"
-)
-
-var cfg = flag.String("f", "config.yml", "configuration file")
-
-type ConfigMap map[string]interface{}
-
-type configFeed struct {
-	Name      string
-	Url       string
-	MinFreq   int `yaml:"min-frequency"`
-	ConfigMap `yaml:",inline"`
-}
-
-type configGroup struct {
-	Group string
-	Feeds []configGroupFeed
-}
-
-type configGroupFeed struct {
-	Target      *string
-	configFeed  `yaml:",inline"`
-	configGroup `yaml:",inline"`
-}
-
-func (grpFeed *configGroupFeed) isGroup() bool {
-	return grpFeed.configGroup.Group != ""
-}
-
-func (grpFeed *configGroupFeed) isFeed() bool {
-	return grpFeed.configFeed.Name != ""
-}
-
-func (grpFeed *configGroupFeed) target() string {
-	if grpFeed.Target != nil {
-		return *grpFeed.Target
-	}
-	if grpFeed.Name != "" {
-		return grpFeed.Name
-	}
-
-	return grpFeed.Group
-}
-
-type config struct {
-	GlobalConfig ConfigMap `yaml:",inline"`
-	Feeds        []configGroupFeed
-}
-
-type feed struct {
-	name    string
-	target  string
-	url     string
-	minFreq int
-	config  ConfigMap
-}
-
-var feeds = make(map[string]*feed)
-
-func appTarget(target, app string) string {
-	if target == "" {
-		return app
-	}
-
-	if app == "" {
-		return target
-	}
-
-	return target + "/" + app
-}
-
-func buildFeeds(cfg []configGroupFeed, target string) 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.Name
-			if _, ok := feeds[name]; !ok {
-				return fmt.Errorf("Duplicate feed name '%s'", name)
-			}
-			feeds[name] = &feed{
-				name:    name,
-				target:  target,
-				url:     f.Url,
-				minFreq: f.MinFreq,
-				config:  f.ConfigMap,
-			}
-		case f.isGroup():
-			if err := buildFeeds(f.Feeds, target); err != nil {
-				return err
-			}
-		}
-	}
-
-	return nil
-}
-
-func run() error {
-	log.Print("Starting up...")
-	flag.Parse()
-
-	log.Printf("Reading configuration file '%s'", *cfg)
-	buf, err := ioutil.ReadFile(*cfg)
-	if err != nil {
-		return fmt.Errorf("while reading '%s': %w", *cfg, err)
-	}
-
-	var parsedCfg config
-	if err := yaml.Unmarshal(buf, &parsedCfg); err != nil {
-		return fmt.Errorf("while unmarshalling: %w", err)
-	}
-	fmt.Printf("--- parsedCfg:\n%+v\n\n", parsedCfg)
-
-	if err := buildFeeds(parsedCfg.Feeds, ""); err != nil {
-		return fmt.Errorf("while parsing: %w", err)
-	}
-
-	return nil
-}
-
-func main() {
-	if err := run(); err != nil {
-		log.SetOutput(os.Stderr)
-		log.Print("Error: ", err)
-		os.Exit(1)
-	}
-}
-- 
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