remove PathDetails*, and use marshmallow schemas with methods to get icon_url, and "path" renamed to "root_dir", updated move* code to use new data structure

path.py

@@ -42,53 +42,3 @@ class Path(db.Model):
 
     def __repr__(self):
         return f"<id: {self.id}, path_prefix: {self.path_prefix}, num_files={self.num_files}, type={self.type}>"
-
-
-################################################################################
-# Class describing PathDetail (quick connvenence class for MovePathDetails())
-################################################################################
-class PathDetail(PA):
-    """Class describing details of a Path [internal class used in MovePathDetais()]"""
-
-    def __init__(self,ptype,path):
-        """Initialisation function for PathDetail class
-
-        Args:
-            id (int): database id of row in PathDetail table / primary key
-            ptype (int): database id of row in PathType table / foreign key
-        """
-
-        self.type:int=ptype
-        self.path:str=path
-        # construct icon_url based on type of storage path (icons.svg contains icons for each)
-        self.icon_url:str=url_for("internal", filename="icons.svg") + "#" + ICON[self.type]
-
-    def to_dict(self):
-        return {key: value for key, value in vars(self).items()}
-
-################################################################################
-# helper function to find path details for move destinations - used in html
-# for move DBox to show potential storage paths to move files into
-################################################################################
-def MovePathDetails():
-    """helper function to find path details for move destinations
-
-       used in html/javascript for move Dialog Box to show potential storage paths to move files into
-
-       Args:
-           None
-
-       Returns:
-           ret (List[PathDetail]): a list of Path Details for where files can be moved
-
-    """
-    ret=[]
-    sps=Path.query.join(PathType).filter(PathType.name=="Storage").all()
-    for p in sps:
-        obj = PathDetail( ptype="Storage", path=p.path_prefix.replace("static/Storage/","") )
-        ret.append( obj.to_dict() )
-    ips=Path.query.join(PathType).filter(PathType.name=="Import").all()
-    for p in ips:
-        obj = PathDetail( ptype="Import", path=p.path_prefix.replace("static/Import/","") )
-        ret.append( obj.to_dict() )
-    return ret