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/
main.go
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/
main.go
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package main
import (
"fmt"
"log"
"os"
"os/exec"
"path/filepath"
"strings"
"github.com/BurntSushi/toml"
"github.com/adrg/xdg"
"github.com/benjamineskola/rss2dayone/cache"
"github.com/mmcdole/gofeed"
)
type Feed struct {
URL string
Journal string
Tags []string
}
type Config struct {
Feeds []Feed `toml:"feed"`
}
func main() {
configPath := filepath.Join(xdg.ConfigHome, "rss2dayone.toml")
configFile, err := os.Open(configPath)
if err != nil {
log.Panicf("cannot read config file %s: %s", configPath, err)
}
var config Config
if _, err := toml.NewDecoder(configFile).Decode(&config); err != nil {
log.Panicf("error decoding TOML: %s", err)
}
processed, err := cache.Init()
if err != nil {
log.Panic("Could not load seen items cache: ", err)
}
for _, feed := range config.Feeds {
if err = processFeed(feed.URL, feed.Journal, feed.Tags, processed); err != nil {
log.Print(err)
}
}
if err = processed.Save(); err != nil {
log.Panic("Failed to save seen items cache: ", err)
}
}
func processFeed(feedURL, journal string, tags []string, processed *cache.Cache) error {
fp := gofeed.NewParser()
feed, err := fp.ParseURL(feedURL)
if err != nil {
return fmt.Errorf("failed to process feed %s: %w", feedURL, err)
}
for _, item := range feed.Items {
if processed.Contains(item.GUID) {
continue
}
post, err := NewPost(item)
if err != nil {
log.Print(err)
continue
}
if err := invokeDayOne(post, journal, tags); err != nil {
log.Printf("failed invocation of dayone2: %s", err)
continue
}
processed.Add(item.GUID)
}
return nil
}
func invokeDayOne(post *Post, journal string, tags []string) error {
cmdArgs := []string{"new", "--journal", journal, "--isoDate", post.date.Format("2006-01-02T15:04:05"), "--tags"}
cmdArgs = append(cmdArgs, tags...)
downloadDir, err := os.MkdirTemp("", "rss2dayone-")
if err != nil {
log.Fatalf("Could not create temporary directory: %s", err)
}
defer os.Remove(downloadDir)
post.FetchAttachments(downloadDir)
for _, i := range *post.AttachmentFiles {
cmdArgs = append(cmdArgs, "-a", i)
defer os.Remove(i)
}
cmd := exec.Command("dayone2", cmdArgs...)
cmd.Stdin = strings.NewReader(post.Render())
var stdout strings.Builder
cmd.Stdout = &stdout
var stderr strings.Builder
cmd.Stderr = &stderr
if err := cmd.Run(); err != nil {
return fmt.Errorf("failed to execute dayone2: %w\nstdout: %s\nstderr: %s", err, stdout.String(), stderr.String())
}
return nil
}