improve wikidata data parsing.

pkg/rest/wikidata.go

@@ -128,7 +128,6 @@ func (w WikidataRest) extractDescriptions(item WikidataItem) map[string]string {
 }
 
 func (w WikidataRest) extractProperties(item WikidataItem) map[string][]*shared.Data {
-
 	properties := map[string][]*shared.Data{}
 label:
 	for statementKey, statementItem := range item.Statements {
@@ -141,14 +140,14 @@ label:
 		}
 		for _, statement := range statementItem {
 			switch statement.Property.DataType {
-			case "commonsMedia", "geographicshape", "tabular-data":
+			case "commonsMedia", "geo-shape", "tabular-data":
 				if _, ok := properties[statementKey]; !ok {
 					properties[statementKey] = []*shared.Data{}
 				}
 				properties[statementKey] = append(properties[statementKey], &shared.Data{
 					Simple: CommonsUrl + strings.Replace(statement.Value.Content.(string), " ", SpaceReplacement, -1),
 				})
-			case "globecoordinate":
+			case "globe-coordinate":
 				if _, ok := properties[statementKey]; !ok {
 					properties[statementKey] = []*shared.Data{}
 				}
@@ -178,7 +177,7 @@ label:
 				properties[statementKey] = append(properties[statementKey], &shared.Data{
 					Time: statement.Value.GetTime(),
 				})
-			case "wikibase-item", "external-id", "url", "string", "musicalnote", "mathematical-expression":
+			case "wikibase-item", "wikibase-property", "external-id", "url", "string", "musicalnote", "mathematical-expression":
 				if _, ok := properties[statementKey]; !ok {
 					properties[statementKey] = []*shared.Data{}
 				}

pkg/rest/wikidata_item.go

@@ -95,7 +95,10 @@ func (v StatementValue) GetMonolingualText() *shared.MonoLingualText {
 }
 
 func (v StatementValue) GetGlobeCoordinate() *shared.GlobeCoordinate {
-	content := v.Content.(map[string]interface{})
+	content, ok := v.Content.(map[string]interface{})
+	if !ok {
+		return &shared.GlobeCoordinate{}
+	}
 	lat, latOk := content["latitude"].(string)
 	lon, lonOk := content["longitude"].(string)
 	globe, globeOk := content["globe"].(string)