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CLI: Create 'scan' subparser using Kong
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package commands | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
| "sort" | ||
|
|
||
| "github.com/RyanConnell/concert-watcher/internal/watcher" | ||
| "github.com/RyanConnell/concert-watcher/pkg/ticketmaster" | ||
| ) | ||
|
|
||
| // ScanCmd defines arguments for the "./concert-watcher scan" sub-command. | ||
| type ScanCmd struct { | ||
| APIKey string `help:"Ticketmaster API Key"` | ||
| ArtistFile string `help:"Path to file containing a list of artists to monitor"` | ||
| DiscordWebhookURL string `help:"Discord Webhook URL"` | ||
| TicketmasterConfig string `help:"Path to file containing ticketmaster search criteria"` | ||
| Diff bool `help:"Only notify for events we haven't already seen"` | ||
| DiffFile string `default:"previous-ids" help:"Path to a file that stores the list of events we have previously sent notifications for"` | ||
| } | ||
|
|
||
| func (s *ScanCmd) Run() { | ||
| // Ticketmaster will give us an authentication error if we don't have an API key. | ||
| if s.APIKey == "" { | ||
| log.Fatalf("Unable to run without a Ticketmaster API key. " + | ||
| "Please pass one via the --apiKey option") | ||
| return | ||
| } | ||
|
|
||
| // Read artists | ||
| artists, err := readLines(s.ArtistFile) | ||
| if err != nil { | ||
| log.Fatalf("Error reading file: %v", err) | ||
| return | ||
| } | ||
|
|
||
| reader := ticketmaster.NewReader(s.APIKey) | ||
| watcher := watcher.NewWatcher(reader, s.TicketmasterConfig, artists, | ||
| s.DiscordWebhookURL, s.DiffFile) | ||
| events, err := watcher.FindEvents(s.Diff) | ||
| if err != nil { | ||
| log.Fatalf("Error retrieving events: %v", err) | ||
| return | ||
| } | ||
|
|
||
| // Sort our events by date | ||
| sort.Slice(events, func(i, j int) bool { | ||
| return events[i].Date() < events[j].Date() | ||
| }) | ||
| fmt.Printf("Found %d matching events\n", len(events)) | ||
| for _, event := range events { | ||
| fmt.Printf("- %s\n", event.String()) | ||
| } | ||
|
|
||
| if err := watcher.Notify(events); err != nil { | ||
| log.Fatalf("Error notifying discord: %v", err) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| func readLines(fileName string) ([]string, error) { | ||
| file, err := os.Open(fileName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer file.Close() | ||
|
|
||
| scanner := bufio.NewScanner(file) | ||
| var lines []string | ||
| for scanner.Scan() { | ||
| lines = append(lines, scanner.Text()) | ||
| } | ||
| return lines, nil | ||
| } |