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 parseMulticolor(s *brew.Search, args url.Values) error {
switch args.Get("multicolor") {
case "true":
s.IncludeMulticolor = true
s.Multicolor = true
case "false":
s.IncludeMulticolor = true
s.Multicolor = false
case "":
s.IncludeMulticolor = false
return nil
default:
return fmt.Errorf("Multicolor should be either 'true' or 'false'")
}
return nil
}
func parseMultiverseIDs(s *brew.Search, args url.Values) error {
ids := args["multiverseid"][:]
for _, m := range args["m"] {
ids = append(ids, m)
}
s.MultiverseIDs = ids
return nil
}
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
}
// TODO: Add validation
func parseSets(s *brew.Search, args url.Values) error {
s.Sets = toLower(args["set"])
return nil
}
// TODO: Add validation
func parseSubtypes(s *brew.Search, args url.Values) error {
s.Subtypes = toLower(args["subtype"])
return nil
}