|
| 1 | +package formdata |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "net/url" |
| 6 | + "regexp" |
| 7 | + |
| 8 | + "github.com/nuts-foundation/nuts-knooppunt/component/mcsdadmin/valuesets" |
| 9 | + "github.com/rs/zerolog/log" |
| 10 | + "github.com/zorgbijjou/golang-fhir-models/fhir-models/fhir" |
| 11 | +) |
| 12 | + |
| 13 | +var keyExp regexp.Regexp |
| 14 | + |
| 15 | +func init() { |
| 16 | + exp, err := regexp.Compile(`(\w+)\[(\d*)\]\[(\w+)\]`) |
| 17 | + if err != nil { |
| 18 | + log.Error().Err(err).Msg("could not parse regular expression") |
| 19 | + return |
| 20 | + } |
| 21 | + keyExp = *exp |
| 22 | +} |
| 23 | + |
| 24 | +func ParseMaps(postform url.Values, fieldName string) []map[string]string { |
| 25 | + type index = string |
| 26 | + type key = string |
| 27 | + type value = string |
| 28 | + var partials = map[index]map[key]value{} |
| 29 | + |
| 30 | + // Iterate over relevant keys and pull out the relevant data into partials |
| 31 | + for fk, val := range postform { |
| 32 | + matches := keyExp.FindStringSubmatch(fk) |
| 33 | + if len(matches) < 4 { |
| 34 | + continue |
| 35 | + } |
| 36 | + fieldNameMatch := matches[1] |
| 37 | + indexMatch := matches[2] |
| 38 | + propKeyMatch := matches[3] |
| 39 | + |
| 40 | + if fieldNameMatch != fieldName { |
| 41 | + continue |
| 42 | + } |
| 43 | + |
| 44 | + // Find if we already have some data from other keys... |
| 45 | + // ... if not create a new map |
| 46 | + partial, ok := partials[indexMatch] |
| 47 | + if !ok { |
| 48 | + partial = map[key]value{} |
| 49 | + partials[indexMatch] = partial |
| 50 | + } |
| 51 | + |
| 52 | + if len(val) > 1 { |
| 53 | + log.Warn().Msg(fmt.Sprintf("conflicting values found for key: %s", fk)) |
| 54 | + } |
| 55 | + partial[propKeyMatch] = val[0] |
| 56 | + } |
| 57 | + |
| 58 | + // Now let's construct the return value |
| 59 | + partialsLen := len(partials) |
| 60 | + out := make([]map[key]value, 0, partialsLen) |
| 61 | + for _, part := range partials { |
| 62 | + out = append(out, part) |
| 63 | + } |
| 64 | + return out |
| 65 | +} |
| 66 | + |
| 67 | +func CodablesFromForm(postform url.Values, set []fhir.Coding, key string) ([]fhir.CodeableConcept, bool) { |
| 68 | + nonEmpty := filterEmpty(postform[key]) |
| 69 | + return valuesets.CodablesFrom(set, nonEmpty) |
| 70 | +} |
| 71 | + |
| 72 | +func filterEmpty(multiStrings []string) []string { |
| 73 | + out := make([]string, 0, len(multiStrings)) |
| 74 | + for _, str := range multiStrings { |
| 75 | + if str != "" { |
| 76 | + out = append(out, str) |
| 77 | + } |
| 78 | + } |
| 79 | + return out |
| 80 | +} |
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