[LIB-852] re-work hosting; add HostingFile models; add update_file me…

…thod;
Syncano · opalczynski · Aug 30, 2016 · Aug 29, 2016 · Aug 29, 2016 · Aug 29, 2016
commit 962253e4db463a5522568d57b04ae236187c900f
diff --git a/syncano/models/hosting.py b/syncano/models/hosting.py
@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
+
+from syncano.exceptions import SyncanoRequestError
+
 from . import fields
 from .base import Instance, Model, logger
 
@@ -31,24 +34,51 @@ class Meta:
         }
 
     def upload_file(self, path, file):
+        """
+        Upload a new file to the hosting.
+        :param path: the file path;
+        :param file: the file to be uploaded;
+        :return: the response from the API;
+        """
         files_path = self.links.files
         data = {'path': path}
         connection = self._get_connection()
-        params = connection.build_params(params={})
-        headers = params['headers']
-        headers.pop('content-type')
-        response = connection.session.post(connection.host + files_path, headers=headers,
+        headers = self._prepare_header(connection)
+        response = connection.session.post('{}{}'.format(connection.host, files_path), headers=headers,
                                            data=data, files=[('file', file)])
         if response.status_code != 201:
             logger.error(response.text)
             return
-        return response
+        return HostingFile(**response.json())
+
+    def update_file(self, path, file):
+        """
+        Updates an existing file.
+        :param path: the file path;
+        :param file: the file to be uploaded;
+        :return: the response from the API;
+        """
+        hosting_files = self._get_files()
+        is_found = False
+        for hosting_file in hosting_files:
+            if hosting_file.path == path:
+                is_found = True
+                break
+
+        if not is_found:
+            raise SyncanoRequestError('File with path {} not found.'.format(path))
 
-    def list_files(self):
-        files_path = self.links.files
         connection = self._get_connection()
-        response = connection.request('GET', files_path)
-        return [f['path'] for f in response['objects']]
+        headers = self._prepare_header(connection)
+        response = connection.session.patch('{}{}'.format(connection.host, hosting_file.links.self), headers=headers,
+                                            files=[('file', file)])
+        if response.status_code != 200:
+            logger.error(response.text)
+            return
+        return HostingFile(**response.json())
+
+    def list_files(self):
+        return self._get_files()
 
     def set_default(self):
         default_path = self.links.set_default
@@ -57,3 +87,35 @@ def set_default(self):
         response = connection.make_request('POST', default_path)
         self.to_python(response)
         return self
+
+    def _prepare_header(self, connection):
+        params = connection.build_params(params={})
+        headers = params['headers']
+        headers.pop('content-type')
+        return headers
+
+    def _get_files(self):
+        return [hfile for hfile in HostingFile.please.list(hosting_id=self.id)]
+
+
+class HostingFile(Model):
+    """
+        OO wrapper around hosting file.
+    """
+
+    path = fields.StringField(max_length=300)
+    file = fields.FileField()
+    links = fields.LinksField()
+
+    class Meta:
+        parent = Hosting
+        endpoints = {
+            'detail': {
+                'methods': ['delete', 'get', 'put', 'patch'],
+                'path': '/files/{id}/',
+            },
+            'list': {
+                'methods': ['post', 'get'],
+                'path': '/files/',
+            }
+        }
diff --git a/tests/integration_tests_hosting.py b/tests/integration_tests_hosting.py
@@ -25,12 +25,23 @@ def test_create_file(self):
         a_hosting_file.write('h1 {color: #541231;}')
         a_hosting_file.seek(0)
 
-        self.hosting.upload_file(path='styles/main.css', file=a_hosting_file)
-
-        files_list = self.hosting.list_files()
-
-        self.assertIn('styles/main.css', files_list)
+        hosting_file = self.hosting.upload_file(path='styles/main.css', file=a_hosting_file)
+        self.assertEqual(hosting_file.path, 'styles/main.css')
 
     def test_set_default(self):
         hosting = self.hosting.set_default()
         self.assertIn('default', hosting.domains)
+
+    def test_update_file(self):
+        a_hosting_file = StringIO()
+        a_hosting_file.write('h1 {color: #541231;}')
+        a_hosting_file.seek(0)
+
+        self.hosting.upload_file(path='styles/main.css', file=a_hosting_file)
+
+        a_hosting_file = StringIO()
+        a_hosting_file.write('h2 {color: #541231;}')
+        a_hosting_file.seek(0)
+
+        hosting_file = self.hosting.update_file(path='styles/main.css', file=a_hosting_file)
+        self.assertEqual(hosting_file.path, 'styles/main.css')