func ParseSearch(u *url.URL) (brew.Search, error, []string) {
args := u.Query()
search := brew.Search{}
funcs := []func(*brew.Search, url.Values) error{
parseMulticolor,
parseRarity,
parseTypes,
parseSupertypes,
parseColors,
parseSubtypes,
parseFormat,
parseStatus,
parseMultiverseIDs,
parseSets,
parseName,
parseRules,
parsePaging,
}
var err error
results := []string{}
for _, fun := range funcs {
if e := fun(&search, args); e != nil {
results = append(results, e.Error())
err = fmt.Errorf("Errors while processing the search")
}
}
// By default, include 100 cards
search.Limit = 100
return search, err, results
}
func parsePaging(s *brew.Search, args url.Values) error {
s.Limit = 100
pagenum := args.Get("page")
if pagenum == "" {
return nil
}
page, err := strconv.Atoi(pagenum)
if err != nil {
return err
}
if page < 0 {
return fmt.Errorf("Page parameter must be >= 0")
}
s.Page = page
s.Offset = s.Page * s.Limit
return nil
}