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// Copyright (c) 2020, Andinus <andinus@inventati.org>
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
package main
import (
"flag"
"fmt"
"log"
"time"
"framagit.org/andinus/cetus/pkg"
"framagit.org/andinus/cetus/pkg/nasa"
)
var (
quiet bool
fetchOnly bool
api string
apiKey string
date string
random bool
dateHelp string
dateDefault string
timeout time.Duration
)
func main() {
var (
picturePath string
apodRes nasa.APOD
err error
apodInfo map[string]string
)
dateHelp = fmt.Sprintf("Choose a random date between 1995-06-16 & %s",
time.Now().UTC().Format("2006-01-02"))
dateDefault = time.Now().UTC().Format("2006-01-02")
parseFlags()
// Convert timeout to seconds
timeout = timeout * time.Second
if random {
date = nasa.RandDate()
}
apodInfo = make(map[string]string)
apodInfo["api"] = api
apodInfo["apiKey"] = apiKey
apodInfo["date"] = date
apodRes, err = nasa.APODPath(apodInfo, timeout)
if err != nil {
if len(apodRes.Msg) != 0 {
log.Println("Message: ", apodRes.Msg)
}
log.Fatal(err)
}
if !quiet {
fmt.Printf("Title: %s\n\n", apodRes.Title)
fmt.Printf("Copyright: %s\n", apodRes.Copyright)
fmt.Printf("Date: %s\n\n", apodRes.Date)
fmt.Printf("URL: %s\n\n", apodRes.HDURL)
fmt.Printf("Explanation: %s\n", apodRes.Explanation)
}
// if fetchOnly is true then don't set background
if fetchOnly {
return
}
picturePath = apodRes.HDURL
err = background.Set(picturePath)
if err != nil {
log.Fatal(err)
}
}
func parseFlags() {
flag.BoolVar(&quiet, "quiet", false, "No output")
flag.BoolVar(&fetchOnly, "fetch-only", false, "Don't set background, only fetch info")
flag.BoolVar(&random, "random", false, dateHelp)
flag.StringVar(&api, "api", "https://api.nasa.gov/planetary/apod", "APOD API URL")
flag.StringVar(&apiKey, "api-key", "DEMO_KEY", "api.nasa.gov key for expanded usage")
flag.StringVar(&date, "date", dateDefault, "Date of the APOD image to retrieve")
flag.DurationVar(&timeout, "timeout", 32*time.Second, "Timeout for http client in seconds")
flag.Parse()
}
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