url-parser/command/query.go

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package command
import (
"fmt"
"github.com/thegeeklab/url-parser/config"
"github.com/urfave/cli/v2"
)
// QueryFlags defines flags for query subcommand.
func QueryFlags(config *config.Config) []cli.Flag {
return []cli.Flag{
&cli.StringFlag{
Name: "query-field",
Usage: "filter parsed query string by field name",
EnvVars: []string{"URL_PARSER_QUERY_FIELD"},
Destination: &config.QueryField,
},
}
}
// Query prints out the query part from url.
func Query(config *config.Config) cli.ActionFunc {
return func(ctx *cli.Context) error {
parts := parseURL(config.URL)
f := config.QueryField
if len(parts.RawQuery) > 0 {
if f != "" {
if result := parts.Query().Get(f); result != "" {
fmt.Println(result)
}
} else {
fmt.Println(parts.RawQuery)
}
}
return nil
}
}