refactor(metadata): rename contact to author

Renamed contact to author since unlike REST APIs a workflow is most likely developed by several individuals or organizations.

Also added the option to have multiple authors for a workflow.

queenbee/schema/metadata.py

@@ -8,23 +8,24 @@
 
 from queenbee.schema.qutil import BaseModel
 from pydantic import Field
+from typing import List, Union
 
 
-class Contact(BaseModel):
-    """Contact information."""
+class Author(BaseModel):
+    """Author information."""
     name: str = Field(
         ...,
-        description='The name of the contact person or organization.'
+        description='The name of the author person or organization.'
     )
 
     url: str = Field(
         None,
-        description='The url pointing to the contact information.'
+        description='The url pointing to the author information.'
     )
 
     email: str = Field(
         None,
-        description='The email address of the contact person or organization.'
+        description='The email address of the author person or organization.'
     )
 
 
@@ -48,9 +49,9 @@ class MetaData(BaseModel):
         description='A short description of the workflow.'
     )
 
-    contact: Contact = Field(
+    author: Union[Author, List[Author]] = Field(
         None,
-        description='The contact information.'
+        description='A single author or list of workflow authors.'
     )
 
     license: License = Field(

tests/schema/metadata.py

@@ -0,0 +1,25 @@
+from queenbee.schema.metadata import MetaData
+
+single_author = {
+    'description': 'test metadata',
+    'author': {
+        'name': 'John Dao',
+        'email': '[email protected]'
+    }
+}
+
+multi_authors = {
+    'description': 'test metadata',
+    'author': [
+        {'name': 'John Smith', 'email': '[email protected]'},
+        {'name': 'Jane Smith', 'email': '[email protected]'},
+    ]
+}
+
+
+def test_load_single_author():
+    MetaData.parse_obj(single_author)
+
+
+def test_load_multi_authors():
+    MetaData.parse_obj(multi_authors)