add support for copying files after download

Author: aperrin66

geospaas_rest_api/processing_api/models.py

@@ -80,7 +80,10 @@ class Meta:
 
     @classmethod
     def get_signature(cls, parameters):
-        tasks = [tasks_core.download.signature()]
+        tasks = [
+            tasks_core.download.signature(),
+            tasks_core.copy.signature(kwargs={'copy_to': parameters.get('copy_to', None)}),
+        ]
 
         # only unarchive if cropping is needed
         bounding_box = parameters.get('bounding_box', None)
@@ -104,8 +107,10 @@ def check_parameters(parameters):
             - dataset_id: integer
             - bounding_box: 4-elements list
         """
-        if not set(parameters).issubset(set(('dataset_id', 'bounding_box', 'publish'))):
-            raise ValidationError("The download action accepts only one parameter: 'dataset_id'")
+        allowed_parameters = ('dataset_id', 'bounding_box', 'publish', 'copy_to')
+        if not set(parameters).issubset(set(allowed_parameters)):
+            raise ValidationError(
+                f"The download action accepts only the following parameters: {allowed_parameters}")
         if not isinstance(parameters['dataset_id'], int):
             raise ValidationError("'dataset_id' must be an integer")
         if ('bounding_box' in parameters and
@@ -115,6 +120,8 @@ def check_parameters(parameters):
                                   "west, north, east, south")
         if ('publish' in parameters and not isinstance(parameters['publish'], bool)):
             raise ValidationError("'publish' must be a boolean")
+        if 'copy_to' in parameters and not isinstance(parameters['copy_to'], str):
+            raise ValidationError("'copy_to' must be a string")
         return parameters
 
     @staticmethod
@@ -136,6 +143,7 @@ def get_signature(cls, parameters):
         if conversion_format == 'idf':
             return celery.chain(
                 tasks_core.download.signature(),
+                tasks_core.copy.signature(copy_to=parameters.get('copy_to', None)),
                 tasks_core.unarchive.signature(),
                 tasks_core.crop.signature(
                     kwargs={'bounding_box': parameters.get('bounding_box', None)}),
@@ -145,6 +153,7 @@ def get_signature(cls, parameters):
         elif conversion_format == 'syntool':
             syntool_tasks = [
                 tasks_core.download.signature(),
+                tasks_core.copy.signature(kwargs={'copy_to': parameters.get('copy_to', None)}),
                 tasks_core.unarchive.signature(),
                 tasks_core.crop.signature(
                     kwargs={'bounding_box': parameters.get('bounding_box', None)}),
@@ -181,7 +190,8 @@ def check_parameters(parameters):
             'skip_check',
             'converter_options',
             'remove_downloaded',
-            'ttl')
+            'ttl',
+            'copy_to')
         if not set(parameters).issubset(set(accepted_keys)):
             raise ValidationError(
                 f"The convert action accepts only these parameters: {', '.join(accepted_keys)}")
@@ -208,6 +218,9 @@ def check_parameters(parameters):
                 parameters['ttl'] is None or isinstance(parameters['ttl'], dict))):
             raise ValidationError("'ttl' should be a dictionary or None")
 
+        if 'copy_to' in parameters and not isinstance(parameters['copy_to'], str):
+            raise ValidationError("'copy_to' must be a string")
+
         return parameters
 
     @staticmethod