gno.land/r/akkadia/beta/lotto⧉

1package lotto23import (4	"net/url"5	"strconv"6)78func Render(path string) string {9	output := `# AKKADIA Lotto1011Look up owners and their quantities for a number.1213<gno-form path="number">14  <gno-input name="number" placeholder="Enter a number" />15</gno-form>1617`18	u, err := url.Parse(path)19	if err != nil {20		return output + "Invalid URL\n"21	}22	query, err := url.ParseQuery(u.RawQuery)23	if err != nil {24		return output + "Invalid query\n"25	}26	switch u.Path {27	case "":28		return output29	case "number":30		raw := query.Get("number")31		if raw == "" {32			return output + "Number is required\n"33		}34		number, err := strconv.ParseUint(raw, 10, 64)35		if err != nil {36			return output + "Invalid number\n"37		}38		afterOwner := query.Get("afterOwner")39		if afterOwner != "" && !address(afterOwner).IsValid() {40			return output + "Invalid cursor address\n"41		}42		numberStr := strconv.FormatUint(number, 10)43		page := ListOwnersByNumber(number, afterOwner, 20)44		output += "## Number " + numberStr + "\n\n"45		output += "[Home](./lotto:)\n\n"46		if afterOwner != "" {47			output += "[First page](./lotto:number?number=" + numberStr + ")\n\n"48		}49		if len(page) == 0 {50			return output + "No owners on this page.\n"51		}52		output += "| Owner | Count |\n| --- | ---: |\n"53		for _, item := range page {54			// Owners are validated addresses and counts are formatted integers.55			output += "| " + item["owner"] + " | " + item["count"] + " |\n"56		}57		if page[0]["nextOwner"] != "" {58			output += "\n[Next](./lotto:number?number=" + numberStr + "&afterOwner=" + url.QueryEscape(page[0]["nextOwner"]) + ")\n"59		}60		return output61	default:62		return output + "Page not found\n"63	}64}65