fixed BUG-76 - no existing for a non-date with move

BUGs

@@ -17,24 +17,3 @@ BUG-75: Tried moving 111 working dir and it failed as dt is invalid/empty?  just
            2 |   43545
 
     Test move between paths in DEV, should now work
-BUG-76: Tried moving 111 working dir and it failed as dt is invalid/empty?  just means buttons for existing are empty
-        paweb                 | [2022-01-09 15:42:19,485] ERROR in app: Exception on /getexistingpaths/undefined [POST]
-        paweb                 | Traceback (most recent call last):
-        paweb                 |   File "/usr/local/lib/python3.8/dist-packages/flask/app.py", line 2070, in wsgi_app
-        paweb                 |     response = self.full_dispatch_request()
-        paweb                 |   File "/usr/local/lib/python3.8/dist-packages/flask/app.py", line 1515, in full_dispatch_request
-        paweb                 |     rv = self.handle_user_exception(e)
-        paweb                 |   File "/usr/local/lib/python3.8/dist-packages/flask/app.py", line 1513, in full_dispatch_request
-        paweb                 |     rv = self.dispatch_request()
-        paweb                 |   File "/usr/local/lib/python3.8/dist-packages/flask/app.py", line 1499, in dispatch_request
-        paweb                 |     return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
-        paweb                 |   File "/usr/local/lib/python3.8/dist-packages/flask_login/utils.py", line 272, in decorated_view
-        paweb                 |     return func(*args, **kwargs)
-        paweb                 |   File "/code/files.py", line 631, in GetExistingPathsAsDiv
-        paweb                 |     new_dtime=datetime.datetime.strptime(dt, "%Y%m%d") + datetime.timedelta(days=delta)
-        paweb                 |   File "/usr/lib/python3.8/_strptime.py", line 568, in _strptime_datetime
-        paweb                 |     tt, fraction, gmtoff_fraction = _strptime(data_string, format)
-        paweb                 |   File "/usr/lib/python3.8/_strptime.py", line 349, in _strptime
-        paweb                 |     raise ValueError("time data %r does not match format %r" %
-        paweb                 | ValueError: time data 'undefined' does not match format '%Y%m%d'
-

files.py

@@ -628,7 +628,12 @@ def GetExistingPathsAsDiv(dt):
     dir_ft=FileType.query.filter(FileType.name=='Directory').first()
     dirs_arr=[]
     for delta in range(-7, 8):
-        new_dtime=datetime.datetime.strptime(dt, "%Y%m%d") + datetime.timedelta(days=delta)
+        try:
+            new_dtime=datetime.datetime.strptime(dt, "%Y%m%d") + datetime.timedelta(days=delta)
+        except:
+            # this is not a date, so we cant work out possible dirs, just
+            # return an empty set
+            return "[]"
         new_dt=new_dtime.strftime('%Y%m%d')
         dirs_arr+=Dir.query.distinct(Dir.rel_path).filter(Dir.rel_path.ilike('%'+new_dt+'%')).all();
         dirs_arr+=Dir.query.distinct(Dir.rel_path).join(EntryDirLink).join(Entry).filter(Entry.type_id!=dir_ft.id).filter(Entry.name.ilike('%'+new_dt+'%')).all()

internal/js/files_support.js

@@ -48,6 +48,8 @@ function GetExistingDirsAsDiv( dt, divname )
             dirs.forEach( function(item, index) {
                 s+= '<button class="btn btn-outline-primary" type="button" onClick="$(\'#prefix\').val(\''+item.prefix+'\'); $(\'#suffix\').val(\''+item.suffix+'\');return false;">'+item.prefix+'/'+item.suffix+'</button>'
             } )
+            if( s == '' )
+                $('#existing').html('')
             $('#'+divname).html(s)
         }
     } )
@@ -69,7 +71,7 @@ function MoveDBox(path_details, db_url)
     div+=GetSelnAsDiv()
     yr=$('.highlight').first().attr('yr')
     dt=$('.highlight').first().attr('date')
-    div+='<div class="col-12">Use Existing:</div><div id="existing"></div>'
+    div+='<div id="existing" class="col-12">Use Existing:</div><div id="existing"></div>'
     GetExistingDirsAsDiv( dt, "existing" )
     div+=`
         <div class="input-group my-3">