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// SPDX-License-Identifier: ISC
// Copyright © 2021 siddharth <s@ricketyspace.net>
package main
import (
"fmt"
"os"
"ricketyspace.net/fern/config"
"ricketyspace.net/fern/db"
"ricketyspace.net/fern/state"
)
var fConf *config.FernConfig
var pState *state.ProcessState
func init() {
var err error
// Get fern config.
fConf, err = config.Read()
if err != nil {
fmt.Printf("Error: %v\n", err.Error())
os.Exit(1)
}
// Initialize process state.
pState = state.NewProcessState()
// Open database.
pState.DB, err = db.Open()
if err != nil {
fmt.Printf("Error: %v\n", err.Error())
os.Exit(1)
}
}
func main() {
defer pState.DB.Write() // Write database to disk before returning.
// Process all feeds.
processing := 0
for _, feed := range fConf.Feeds {
f := feed
go f.Process(pState)
processing += 1
}
// Wait for all feeds finish processing.
for processing > 0 {
fTxt := "feeds"
if processing == 1 {
fTxt = "feed"
}
fmt.Printf("Waiting for %d %s to finish processing\n",
processing, fTxt)
fr := <-pState.FeedResultChan
if fr.Err == nil {
fmt.Printf("[%s]: %s\n",
fr.FeedId, fr.FeedResult)
} else {
fmt.Printf("[%s]: %s: %v\n",
fr.FeedId, fr.FeedResult, fr.Err.Error())
}
processing -= 1
}
}
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