From 64011a0f5cec9c7033d73873035dc8aa5f38bca0 Mon Sep 17 00:00:00 2001
From: Raphael Roberts <raphael.roberts48@gmail.com>
Date: Fri, 16 Nov 2018 00:49:03 -0600
Subject: [PATCH] added find by path

---
 gapi/drive_api.py | 67 ++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 64 insertions(+), 3 deletions(-)

diff --git a/gapi/drive_api.py b/gapi/drive_api.py
index b757b05..580e487 100644
--- a/gapi/drive_api.py
+++ b/gapi/drive_api.py
@@ -1,5 +1,16 @@
 from gapi.api import API
+import re
 APPLICATION_NAME = "Google Calendar API Python"
+def is_folder(element):
+    return element['mimeType'] == 'application/vnd.google-apps.folder'
+def split_path(path,rev=False):
+
+    s = re.findall(r'(?:^/|[^/\x00]+)',path)
+    if rev:
+        return s[::-1]
+    else:
+        return s
+
 class drive_api(API):
     def __init__(
             self,
@@ -10,8 +21,58 @@ class drive_api(API):
             version = 'v3',
         ):
         super().__init__('drive',scopes,app_name,client_secret_file,credentials_dir,version)
-    def get_files(self):
-        pass
+        self.filesystem = {'/':{}}
+        root_meta = self.service.files().get(fileId='root').execute()
+        del root_meta['kind']
+        self.filesystem['/'][0] = root_meta
+
+    def __inner_path_func__(self,path,parent):
+        print(path)
+        if len(path) > 1:
+            n = path.pop()
+            try:
+                new_parent = parent[n]
+            except KeyError:
+                self.fill_in(parent)
+                new_parent = parent[n]
+            return self.__inner_path_func__(path,new_parent)
+        else:
+            try:
+                return parent[path[0]]
+            except KeyError:
+                self.fill_in(parent)
+            try:
+                return parent[path[0]]
+            except KeyError:
+                raise FileNotFoundError()
+
+    def get_file_by_path(self,path):
+        path = split_path(path,True)
+        return self.__inner_path_func__(path,self.filesystem)
+
+    # finds all files and folders from a parent
+    def fill_in(self,parent):
+        parent_id = parent[0]['id']
+        child_list = self.list_children(parent_id)
+        for child in child_list:
+            del child['kind']
+            name = child.pop('name')
+            if is_folder(child):
+                parent[name] = {}
+                parent[name][0] = child
+            else:
+                parent[name] = child
+
+    def list_children(self,parent_id):
+        page_token = None
+        first = True
+        while page_token or first:
+            first = False
+            response = self.service.files().list(q = "'{}' in parents".format(parent_id),pageToken=page_token).execute()
+            page_token = response.get('nextPageToken',None)
+            for file in response['files']:
+                yield file
+
 if __name__ == "__main__":
     my_api = drive_api(APPLICATION_NAME,r'..\test\drive\client_secret.json',r'..\test\drive')
-    service = my_api.service
\ No newline at end of file
+    service = my_api.service