diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/cetus/main.go | 263 |
1 files changed, 148 insertions, 115 deletions
diff --git a/cmd/cetus/main.go b/cmd/cetus/main.go index f73e391..08e7440 100644 --- a/cmd/cetus/main.go +++ b/cmd/cetus/main.go @@ -12,6 +12,22 @@ import ( "framagit.org/andinus/cetus/pkg/bpod" ) +var ( + apodAPI *string + apodKey *string + apodDate *string + apodRand *bool + apodPathOnly *bool + apodQuiet *bool + apodDump *bool + + bpodAPI *string + bpodRand *bool + bpodPathOnly *bool + bpodQuiet *bool + bpodDump *bool +) + func main() { // Early Check: If command was not passed then print usage and // exit. Later command & service both are checked, this check @@ -43,22 +59,22 @@ func main() { defDate := time.Now().UTC().Format("2006-01-02") // Flags to parse for apod service. - apodAPI := apodCmd.String("api", "https://api.nasa.gov/planetary/apod", "APOD API link") - apodKey := apodCmd.String("api-key", "DEMO_KEY", "NASA API Key for expanded usage") - apodDate := apodCmd.String("date", defDate, "Date of NASA APOD to retrieve") - apodRand := apodCmd.Bool("random", false, "Choose a date random starting from 1995-06-16") - apodPathOnly := apodCmd.Bool("path-only", false, "Print only the path") - apodQuiet := apodCmd.Bool("quiet", false, "Stay quiet") - apodDump := apodCmd.Bool("dump", false, "Dump received response") + apodAPI = apodCmd.String("api", "https://api.nasa.gov/planetary/apod", "APOD API link") + apodKey = apodCmd.String("api-key", "DEMO_KEY", "NASA API Key for expanded usage") + apodDate = apodCmd.String("date", defDate, "Date of NASA APOD to retrieve") + apodRand = apodCmd.Bool("random", false, "Choose a date random starting from 1995-06-16") + apodPathOnly = apodCmd.Bool("path-only", false, "Print only the path") + apodQuiet = apodCmd.Bool("quiet", false, "Stay quiet") + apodDump = apodCmd.Bool("dump", false, "Dump received response") bpodCmd := flag.NewFlagSet("bpod", flag.ExitOnError) // Flags to parse for bpod service. - bpodAPI := bpodCmd.String("api", "https://www.bing.com/HPImageArchive.aspx", "BPOD API") - bpodRand := bpodCmd.Bool("random", false, "Choose a random image from last week's BPOD") - bpodPathOnly := bpodCmd.Bool("path-only", false, "Print only the path") - bpodQuiet := bpodCmd.Bool("quiet", false, "Stay quiet") - bpodDump := bpodCmd.Bool("dump", false, "Dump received response") + bpodAPI = bpodCmd.String("api", "https://www.bing.com/HPImageArchive.aspx", "BPOD API") + bpodRand = bpodCmd.Bool("random", false, "Choose a random image from last week's BPOD") + bpodPathOnly = bpodCmd.Bool("path-only", false, "Print only the path") + bpodQuiet = bpodCmd.Bool("quiet", false, "Stay quiet") + bpodDump = bpodCmd.Bool("dump", false, "Dump received response") // Switching on commands will cause more repetition than // switching on service. If we switch on commands then switch @@ -82,135 +98,152 @@ func main() { switch os.Args[2] { case "apod", "nasa": apodCmd.Parse(os.Args[3:]) + if apodCmd.Parsed() { + execAPOD() + } case "bpod", "bing": bpodCmd.Parse(os.Args[3:]) + if bpodCmd.Parsed() { + execBPOD() + } default: fmt.Printf("Invalid service: %q\n", os.Args[2]) printUsage() os.Exit(1) } +} - if apodCmd.Parsed() { - // reqInfo holds all the parameters that needs to be - // sent with the request. GetJson() will pack apiKey & - // date in params map before sending it to another - // function. Adding params here will not change the - // behaviour of the function, changes have to be made - // in GetJson() too. - reqInfo := make(map[string]string) - reqInfo["api"] = string(*apodAPI) - reqInfo["apiKey"] = string(*apodKey) - reqInfo["date"] = string(*apodDate) - - if *apodRand { - reqInfo["apiKey"] = apod.RandDate() - } +func printUsage() { + fmt.Println("Usage: cetus <command> <service> [<args>]\n") + fmt.Println("Commands: ") + fmt.Println(" set Set the latest image as background") + fmt.Println(" fetch Fetch the latest image information") + fmt.Println(" version Print version") + fmt.Println("\nServices: ") + fmt.Println(" apod NASA Astronomy Picture of the Day") + fmt.Println(" bpod Bing Photo of the Day") +} - body, err := apod.GetJson(reqInfo) - chkErr(err) +func execAPOD() { + // reqInfo holds all the parameters that needs to be + // sent with the request. GetJson() will pack apiKey & + // date in params map before sending it to another + // function. Adding params here will not change the + // behaviour of the function, changes have to be made + // in GetJson() too. + reqInfo := make(map[string]string) + reqInfo["api"] = string(*apodAPI) + reqInfo["apiKey"] = string(*apodKey) + reqInfo["date"] = string(*apodDate) + + if *apodRand { + reqInfo["apiKey"] = apod.RandDate() + } - if *apodDump { - fmt.Printf(body) - os.Exit(0) - } + body, err := apod.GetJson(reqInfo) + chkErr(err) - res := apod.Res{} - err = apod.UnmarshalJson(&res, body) - chkErr(err) + if *apodDump { + fmt.Printf(body) + os.Exit(0) + } - // res.Msg will be returned when there is error on - // user input or the api server. - if len(res.Msg) != 0 { - fmt.Printf("Message: %s", res.Msg) - os.Exit(1) - } + res := apod.Res{} + err = apod.UnmarshalJson(&res, body) + chkErr(err) - // If path-only is passed then it will only print the - // path, even if quiet is passed. If the user wants - // the program to be quiet then path-only shouldn't be - // passed. If path-only is not passed & quiet is also - // not passed then print the response. - // - // Path is only printed when the media type is an - // image because res.HDURL is empty on non image media - // type. - if *apodPathOnly { - fmt.Println(res.HDURL) - } else if !*apodQuiet { - apod.Print(res) - } + // res.Msg will be returned when there is error on + // user input or the api server. + if len(res.Msg) != 0 { + fmt.Printf("Message: %s", res.Msg) + os.Exit(1) + } - // Proceed only if the command was set because if it - // was fetch then it's already finished & should exit - // now. - if os.Args[1] == "fetch" { - os.Exit(0) - } + // If path-only is passed then it will only print the + // path, even if quiet is passed. If the user wants + // the program to be quiet then path-only shouldn't be + // passed. If path-only is not passed & quiet is also + // not passed then print the response. + // + // Path is only printed when the media type is an + // image because res.HDURL is empty on non image media + // type. + if *apodPathOnly { + fmt.Println(res.HDURL) + } else if !*apodQuiet { + apod.Print(res) + } - // Try to set background only if the media type is an - // image. - if res.MediaType == "image" { - err = background.Set(res.HDURL) - chkErr(err) - } + // Proceed only if the command was set because if it + // was fetch then it's already finished & should exit + // now. + if os.Args[1] == "fetch" { + os.Exit(0) } - if bpodCmd.Parsed() { - // reqInfo here works similar to apodCmd block's - // reqInfo, refer to explanation there. - reqInfo := make(map[string]string) - reqInfo["api"] = string(*bpodAPI) + // Try to set background only if the media type is an + // image. + if res.MediaType == "image" { + err = background.Set(res.HDURL) + chkErr(err) + } +} - if *bpodRand { - reqInfo["random"] = "true" - } +func execBPOD() { + // reqInfo holds all the parameters that needs to be + // sent with the request. GetJson() will pack apiKey & + // date in params map before sending it to another + // function. Adding params here will not change the + // behaviour of the function, changes have to be made + // in GetJson() too. + reqInfo := make(map[string]string) + reqInfo["api"] = string(*bpodAPI) + + if *bpodRand { + reqInfo["random"] = "true" + } - body, err := bpod.GetJson(reqInfo) - chkErr(err) + body, err := bpod.GetJson(reqInfo) + chkErr(err) - if *bpodDump { - fmt.Printf(body) - os.Exit(0) - } + if *bpodDump { + fmt.Printf(body) + os.Exit(0) + } - res, err := bpod.UnmarshalJson(body) - chkErr(err) + res, err := bpod.UnmarshalJson(body) + chkErr(err) - // Correct format - res.Url = fmt.Sprintf("%s%s", "https://www.bing.com", res.Url) - dt, err := time.Parse("20060102", res.StartDate) - chkErr(err) - res.StartDate = dt.Format("2006-01-02") - - // path-only here works similar to apodCmd block's - // path-only, refer to explanation there. - if *bpodPathOnly { - fmt.Println(res.Url) - } else if !*bpodQuiet { - bpod.Print(res) - } + // Correct format + res.Url = fmt.Sprintf("%s%s", "https://www.bing.com", res.Url) + dt, err := time.Parse("20060102", res.StartDate) + chkErr(err) + res.StartDate = dt.Format("2006-01-02") - // Proceed only if the command was set because if it - // was fetch then it's already finished & should exit - // now. - if os.Args[1] == "fetch" { - os.Exit(0) - } + // If path-only is passed then it will only print the + // path, even if quiet is passed. If the user wants + // the program to be quiet then path-only shouldn't be + // passed. If path-only is not passed & quiet is also + // not passed then print the response. + // + // Path is only printed when the media type is an + // image because res.HDURL is empty on non image media + // type. + if *bpodPathOnly { + fmt.Println(res.Url) + } else if !*bpodQuiet { + bpod.Print(res) + } - err = background.Set(res.Url) - chkErr(err) + // Proceed only if the command was set because if it + // was fetch then it's already finished & should exit + // now. + if os.Args[1] == "fetch" { + os.Exit(0) } -} -func printUsage() { - fmt.Println("Usage: cetus <command> <service> [<args>]\n") - fmt.Println("Commands: ") - fmt.Println(" set Set the latest image as background") - fmt.Println(" fetch Fetch the latest image information") - fmt.Println(" version Print version") - fmt.Println("Services: ") - fmt.Println(" apod NASA Astronomy Picture of the Day") - fmt.Println(" bpod Bing Photo of the Day") + err = background.Set(res.Url) + chkErr(err) } func chkErr(err error) { |