miniflux-archiver/internal/app/archive.go

69 lines
1.7 KiB
Go

package app
import (
"sync"
"time"
"git.alecodes.page/alecodes/miniflux-archiver/internal/logger"
"git.alecodes.page/alecodes/miniflux-archiver/internal/miniflux"
"git.alecodes.page/alecodes/miniflux-archiver/internal/service"
)
// NewRateLimiter creates a rate limiter that emits time events at a specified rate.
// request_per specifies the number of requests allowed per time_scale duration.
// time_scale specifies the duration over which the requests are allowed.
func newRateLimiter(request_per int, time_scale time.Duration) <-chan time.Time {
rate_limit := make(chan time.Time, request_per)
tickrate := time_scale / time.Duration(request_per)
for range request_per {
rate_limit <- time.Now()
}
go func() {
for t := range time.Tick(tickrate) {
rate_limit <- t
}
}()
return rate_limit
}
func Archive(minifluxConfig miniflux.MinifluxConfig, serviceConfig service.ServiceConfig) {
mf, err := miniflux.NewMiniflux(minifluxConfig)
if err != nil {
logger.Fatal("Could not connect to the miniflux server: %v", err)
}
externalService, err := service.ResolveService(serviceConfig)
if err != nil {
logger.Fatal(err.Error())
}
result, err := mf.GetEntries()
if err != nil {
logger.Fatal("Could not retrieve entries from the miniflux feed: %v", err)
}
var wg sync.WaitGroup
ticker := newRateLimiter(5, 10*time.Second)
for _, entry := range result.Entries {
wg.Add(1)
go func() {
defer wg.Done()
<-ticker
// logger.Debug("Sending url \"%v\" to be marked as read", entry.URL)
err := externalService.Archive(entry.URL)
if err != nil {
logger.Fatal("Could not archive url \"%v\" from the service: %v", entry.URL, err)
}
logger.Info("Url \"%v\" has been marked as read", entry.URL)
}()
}
wg.Wait()
}