Open Library search API

If nothing is found on the server, returns results from open library
API. Clicking on a book imports it.

internal/openlibrary/openlibraryauthor.go

@@ -0,0 +1,58 @@
+package openlibrary
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+type OpenLibraryAuthorResult struct {
+	Name        string
+	Description string
+}
+
+type openLibraryParsedAuthor struct {
+	Name        string               `json:"name" binding:"required"`
+	Description openLibraryAuthorBio `json:"bio"`
+}
+
+type openLibraryAuthorBio struct {
+	Value string
+}
+
+func (b *openLibraryAuthorBio) UnmarshalJSON(data []byte) error {
+	var possibleFormat struct {
+		Type  string `json:"type"`
+		Value string `json:"value"`
+	}
+	err := json.Unmarshal(data, &possibleFormat)
+	if err != nil {
+		//if unmarshalling failed, try to decode as string
+		var value string
+		err = json.Unmarshal(data, &value)
+		if err != nil {
+			return err
+		}
+		b.Value = value
+	} else {
+		b.Value = possibleFormat.Value
+	}
+	return nil
+}
+
+func CallOpenLibraryAuthor(openLibraryId string) (OpenLibraryAuthorResult, error) {
+	var response OpenLibraryAuthorResult
+	u, err := computeOpenLibraryUrl("authors", fmt.Sprintf("%s.json", openLibraryId))
+	if err != nil {
+		return response, err
+	}
+	var queryResult openLibraryParsedAuthor
+	err = fetchAndParseResult(u, &queryResult)
+	if err != nil {
+		return response, err
+	}
+	response = OpenLibraryAuthorResult{
+		Name:        queryResult.Name,
+		Description: queryResult.Description.Value,
+	}
+	return response, err
+}