GraphQL API and utilities for the rpdata project
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package main
import (
"context"
"fmt"
"git.aiterp.net/rpdata/api/database"
"git.aiterp.net/rpdata/api/graph2"
"git.aiterp.net/rpdata/api/internal/config"
"git.aiterp.net/rpdata/api/internal/instrumentation"
"git.aiterp.net/rpdata/api/models"
"git.aiterp.net/rpdata/api/services"
"git.aiterp.net/rpdata/api/space"
"github.com/99designs/gqlgen/handler"
"github.com/prometheus/client_golang/prometheus/promhttp"
"log"
"net/http"
"runtime/debug"
)
func main() {
cfg := config.Global()
db, err := database.Init(cfg.Database)
if err != nil {
log.Fatalln("Failed to init db:", err)
}
defer db.Close(context.Background())
var spaceClient *space.Client
if cfg.Space.Enabled {
spaceClient, err = space.Connect(cfg.Space)
if err != nil {
log.Fatalln("Failed to init space:", err)
}
log.Println("Space loaded")
} else {
log.Println("Space is disabled, file upload will not work!")
}
serviceBundle := services.NewBundle(db, spaceClient)
instrumentation.Register()
http.Handle("/", handler.Playground("RPData API", "/graphql"))
http.Handle("/graphql", queryHandler(serviceBundle))
http.Handle("/metrics", promhttp.Handler())
go func() {
err := serviceBundle.Logs.RefreshAllLogCharacters(context.Background())
if err != nil {
log.Println("Refresh Characters:", err)
}
}()
go logListedChanges(serviceBundle.Changes)
log.Fatal(http.ListenAndServe(":8081", nil))
}
func logListedChanges(changes *services.ChangeService) {
sub := changes.Subscribe(context.Background(), models.ChangeFilter{})
for change := range sub {
log.Printf("Change: Author=%#+v Model=%#+v Op=%#+v", change.Author, change.Model, change.Op)
for _, object := range change.Objects() {
switch object := object.(type) {
case models.Log:
log.Printf("\tLog: %s (%s)", object.ID, object.ShortID)
case models.Character:
log.Printf("\tCharacter: %s", object.ID)
case models.Channel:
log.Printf("\tChannel: %s", object.Name)
case models.Post:
log.Printf("\tPost: %s", object.ID)
case models.Story:
log.Printf("\tStory: %s", object.ID)
case models.Tag:
log.Printf("\tTag: (%s,%s)", object.Kind, object.Name)
case models.Chapter:
log.Printf("\tChapter: %s", object.ID)
case models.Comment:
log.Printf("\tComment: %s", object.ID)
}
}
}
log.Println("Change subscription closed.")
}
func queryHandler(services *services.Bundle) http.HandlerFunc {
handler := handler.GraphQL(
graph2.New(services),
handler.UploadMaxSize(10485760),
handler.UploadMaxMemory(1048576),
handler.RecoverFunc(func(ctx context.Context, err interface{}) error {
log.Println(err)
log.Println(string(debug.Stack()))
return fmt.Errorf("The server failed to serve your request due to an internal error, it has been logged")
}),
handler.ComplexityLimit(300),
handler.RequestMiddleware(instrumentation.RequestMiddleware()),
handler.ResolverMiddleware(instrumentation.ResolverMiddleware()),
)
return func(w http.ResponseWriter, r *http.Request) {
r = services.Auth.RequestWithToken(r)
handler.ServeHTTP(w, r)
}
}