func addSource(
trailk *context.Context,
c appengine.Context,
keyTool *key.Tool,
fetcher *urlfetch.Fetcher,
data *sourceAddData) (*datastore.Key, error) {
var s *source.Source
switch data.Type {
case "Source":
s = source.NewSources(trailk, c, keyTool).Make("Source")
case "Reference":
s = source.NewSources(trailk, c, keyTool).Make("Reference")
default:
return nil, errors.New("Unknown source type")
}
if len(data.Name) < config.Source_NameMinLen {
return nil, errors.New(fmt.Sprintf(
"Source name can't be shorter than %d", config.Source_NameMinLen))
} else if len(data.Name) > config.Source_NameMaxLen {
return nil, errors.New(fmt.Sprintf(
"Source name can't be longer than %d", config.Source_NameMaxLen))
}
if len(data.URL) < config.Source_URLMinLen {
return nil, errors.New(fmt.Sprintf(
"Source URL can't be shorter than %d", config.Source_URLMinLen))
} else if len(data.URL) > config.Source_URLMaxLen {
return nil, errors.New(fmt.Sprintf(
"Source URL can't be longer than %d", config.Source_URLMaxLen))
}
matched, matchErr := regexp.MatchString(
"([a-z0-9]+)://([a-zA-Z0-9.-_/]+)", data.URL)
if matchErr != nil {
return nil, errors.New(fmt.Sprintf(
"Source URL contains invalid format: %v", matchErr))
}
if !matched {
return nil, errors.New("Source URL contains invalid format")
}
_, fetchErr := fetcher.Get(data.URL, config.Benchmark_ConnectionTimeoutMax)
if fetchErr != nil {
return nil, errors.New(fmt.Sprintf(
"Sorry, we can't access to the URL. Error: %v", fetchErr))
}
s.Name = data.Name
s.URL = data.URL
s.Updated = trailk.Time().Now()
s.Sampled = 0
return s.Insert()
}
