scheduler initial impl

app/app.go

@@ -1,20 +1,38 @@
 package app
 
-import (
-	"fmt"
-	"log"
-
-	"go.balki.me/tss/config"
-)
-
 func Run(configPath string) {
-	cfg, err := config.Parse(configPath)
+	/*
+		cfg, err := ParseConfig(configPath)
 		if err != nil {
 			log.Fatal(err)
 		}
 
+		for _, feed := range cfg.Feeds {
+			log.Println("Processing feed", feed.Name)
+			data, err := Download(feed.Url, feed.Proxy)
+			if err != nil {
+				log.Fatal(err)
+			}
+		}
+
 		for _, feed := range c.Feeds {
 			log.Println("Processing feed", feed.Name)
+
+			links, err := parseFeed(data)
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			for _, link := range links {
+				if alreadySent(link) {
+					continue
+				}
+				err := sendTelegram(link, feed.Channel, feed.Rhash)
+				if err != nil {
+					log.Fatal(err)
+				}
+			}
 		}
 		fmt.Println(configPath)
+	*/
 }

app/config.go

@@ -1,4 +1,4 @@
-package config
+package app
 
 import (
 	"os"
@@ -17,8 +17,8 @@ type Config struct {
 	} `yaml:"feeds"`
 }
 
-func Parse(configPath string) (*Config, error) {
-	cfg, err := os.ReadFile("tss.yaml")
+func ParseConfig(configPath string) (*Config, error) {
+	cfg, err := os.ReadFile(configPath)
 	if err != nil {
 		return nil, err
 	}

app/download.go

@@ -0,0 +1,5 @@
+package app
+
+func Download(url string, proxy string) ([]byte, error) {
+	return nil, nil
+}

app/schedule.go

@@ -0,0 +1,52 @@
+package app
+
+import (
+	"os"
+	"time"
+
+	"github.com/robfig/cron/v3"
+	"gopkg.in/yaml.v3"
+)
+
+type Scheduler struct {
+	filePath        string
+	lastSuccessTime map[string]time.Time
+}
+
+func NewScheduler(filePath string) (*Scheduler, error) {
+	s := Scheduler{filePath: filePath}
+	data, err := os.ReadFile(filePath)
+	if err != nil {
+		return nil, err
+	}
+	err = yaml.Unmarshal(data, &s.lastSuccessTime)
+	if err != nil {
+		return nil, err
+	}
+	return &s, nil
+}
+
+func (s *Scheduler) Save() error {
+	data, err := yaml.Marshal(&s.lastSuccessTime)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(s.filePath, data, 0644)
+}
+
+func (s *Scheduler) Good(name string) {
+	s.lastSuccessTime[name] = time.Now()
+}
+
+func (s *Scheduler) ShouldDownload(name string, scheduleSpec string) (bool, error) {
+	lastSuccess, ok := s.lastSuccessTime[name]
+	if !ok {
+		return true, nil
+	}
+	cron, err := cron.ParseStandard(scheduleSpec)
+	if err != nil {
+		return false, err
+	}
+	n := cron.Next(lastSuccess)
+	return n.Before(time.Now()), nil
+}

app/schedule_test.go

@@ -0,0 +1,28 @@
+package app
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"gopkg.in/yaml.v3"
+)
+
+func TestYamlMap(t *testing.T) {
+	yesterday := time.Now().Add(-24 * time.Hour)
+	m := map[string]time.Time{
+		"Bala":  time.Now(),
+		"Linus": yesterday,
+	}
+	out, err := yaml.Marshal(&m)
+	if err != nil {
+		t.Fatalf("got err: %v", err)
+	}
+	// assert.Equal(t, nil, fmt.Sprintf("%s", out))
+	var m2 map[string]time.Time
+	err = yaml.Unmarshal(out, &m2)
+	assert.NoError(t, err)
+
+	assert.Equal(t, "foobar", fmt.Sprint(m2["Bala"]))
+}

go.mod

@@ -4,5 +4,11 @@ go 1.17
 
 require (
 	github.com/robfig/cron/v3 v3.0.1
+	github.com/stretchr/testify v1.7.1
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+)

go.sum

@@ -1,6 +1,14 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
 github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -9,28 +9,6 @@ import (
 func main() {
 	var err error
 
-	for _, feed := range c.Feeds {
-		log.Println("Processing feed", feed.Name)
-		data, err := download(feed.Url)
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		links, err := parseFeed(data)
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		for _, link := range links {
-			if alreadySent(link) {
-				continue
-			}
-			err := sendTelegram(link, feed.Channel, feed.Rhash)
-			if err != nil {
-				log.Fatal(err)
-			}
-		}
-	}
 }
 
 func download(url string) ([]byte, error) {