bsky-feedgen/cmd/api/main.go

105 lines
2.2 KiB
Go

package main
import (
"context"
"flag"
"fmt"
"os"
"os/signal"
"strings"
"syscall"
"github.com/aykhans/bsky-feedgen/pkg/api"
"github.com/aykhans/bsky-feedgen/pkg/config"
"github.com/aykhans/bsky-feedgen/pkg/feed"
"github.com/aykhans/bsky-feedgen/pkg/logger"
"github.com/aykhans/bsky-feedgen/pkg/storage/mongodb"
"github.com/aykhans/bsky-feedgen/pkg/storage/mongodb/collections"
_ "go.uber.org/automaxprocs"
)
type flags struct {
version bool
}
func main() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
go listenForTermination(func() { cancel() })
flags := getFlags()
if flags.version == true {
fmt.Printf("API version: %v\n", version)
os.Exit(0)
}
apiConfig, errMap := config.NewAPIConfig()
if errMap != nil {
logger.Log.Error("API ENV error", "error", errMap.ToStringMap())
os.Exit(1)
}
mongoDBConfig, errMap := config.NewMongoDBConfig()
if errMap != nil {
logger.Log.Error("mongodb ENV error", "error", errMap.ToStringMap())
os.Exit(1)
}
client, err := mongodb.NewDB(ctx, mongoDBConfig)
if err != nil {
logger.Log.Error("mongodb connection error", "error", err)
os.Exit(1)
}
feedAzCollection, err := collections.NewFeedAzCollection(client)
if err != nil {
logger.Log.Error(err.Error())
os.Exit(1)
}
feeds := []feed.Feed{
feed.NewFeedAz("AzPulse", apiConfig.FeedgenPublisherDID, feedAzCollection),
}
if err := api.Run(ctx, apiConfig, feeds); err != nil {
logger.Log.Error("API error", "error", err)
}
}
func listenForTermination(do func()) {
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
<-sigChan
do()
}
func getFlags() *flags {
flags := &flags{}
flag.Usage = func() {
fmt.Println(
`Usage:
consumer [flags]
Flags:
-version version information
-h, -help Display this help message`)
}
flag.BoolVar(&flags.version, "version", false, "print version information")
flag.Parse()
if args := flag.Args(); len(args) > 0 {
if len(args) == 1 {
fmt.Printf("unexpected argument: %s\n\n", args[0])
} else {
fmt.Printf("unexpected arguments: %v\n\n", strings.Join(args, ", "))
}
flag.CommandLine.Usage()
os.Exit(1)
}
return flags
}