From 5505f1397f7130b9731e51cb52abd820a8564cb8 Mon Sep 17 00:00:00 2001
From: drebs <drebs@leap.se>
Date: Thu, 31 Jan 2013 18:15:02 -0200
Subject: Soledad server can store using CouchDB.

---
 src/leap/soledad/backends/couch.py        | 48 +++++++++++++++----------------
 src/leap/soledad/backends/leap_backend.py | 23 ---------------
 src/leap/soledad/server.py                | 10 +++----
 3 files changed, 27 insertions(+), 54 deletions(-)

(limited to 'src/leap')

diff --git a/src/leap/soledad/backends/couch.py b/src/leap/soledad/backends/couch.py
index 56b12574..11122aa8 100644
--- a/src/leap/soledad/backends/couch.py
+++ b/src/leap/soledad/backends/couch.py
@@ -7,6 +7,7 @@ from u1db import errors
 from u1db.sync import LocalSyncTarget
 from u1db.backends.inmemory import InMemoryIndex
 from u1db.remote.server_state import ServerState
+from u1db.errors import DatabaseDoesNotExist
 # couchdb
 from couchdb.client import Server, Document as CouchDocument
 from couchdb.http import ResourceNotFound
@@ -30,7 +31,7 @@ class CouchDatabase(ObjectStore):
     @classmethod
     def open_database(cls, url, create):
         # get database from url
-        m = re.match('(.*)/([^/]+)$', url)
+        m = re.match('(^https?://[^/]+)/(.+)$', url)
         if not m:
             raise InvalidURLError
         url = m.group(1)
@@ -40,8 +41,8 @@ class CouchDatabase(ObjectStore):
             server[dbname]
         except ResourceNotFound:
             if not create:
-                raise
-            return cls(url, dbname)
+                raise DatabaseDoesNotExist()
+        return cls(url, dbname)
 
     def __init__(self, url, database, replica_uid=None, full_commit=True,
                  session=None):
@@ -242,29 +243,26 @@ class CouchSyncTarget(LocalSyncTarget):
             source_replica_uid, source_replica_generation,
             source_replica_transaction_id)
 
-
 class CouchServerState(ServerState):
-
-    def open_database(self, path):
-        """
-        Open a database at the given location.
-        """
-        return CouchDatabase.open_database(path, create=False)
-
-    def check_database(self, path):
-        """
-        Check if the database at the given location exists.
-        """
-        db = self.open_database(path)
-        db.close()
-
-    def ensure_database(self, path):
-        """Ensure database at the given location."""
-        db = CouchDatabase.open_database(path,
+    """
+    Inteface of the WSGI server with the CouchDB backend.
+    """
+
+    def __init__(self, couch_url):
+        self.couch_url = couch_url
+
+    def open_database(self, dbname):
+        # TODO: open couch
+        from leap.soledad.backends.couch import CouchDatabase
+        return CouchDatabase.open_database(self.couch_url + '/' + dbname,
+                                           create=False)
+
+    def ensure_database(self, dbname):
+        from leap.soledad.backends.couch import CouchDatabase
+        db = CouchDatabase.open_database(self.couch_url + '/' + dbname,
                                          create=True)
         return db, db._replica_uid
 
-    def delete_database(self, path):
-        """Delete database at the given location."""
-        db = CouchDatabase.open_database(path)
-        db.delete_database()
+    def delete_database(self, dbname):
+        from leap.soledad.backends.couch import CouchDatabase
+        CouchDatabase.delete_database(self.couch_url + '/' + dbname)
diff --git a/src/leap/soledad/backends/leap_backend.py b/src/leap/soledad/backends/leap_backend.py
index e1acabec..f9d37e19 100644
--- a/src/leap/soledad/backends/leap_backend.py
+++ b/src/leap/soledad/backends/leap_backend.py
@@ -7,7 +7,6 @@ from u1db import Document
 from u1db.remote import utils
 from u1db.remote.http_target import HTTPSyncTarget
 from u1db.remote.http_database import HTTPDatabase
-from u1db.remote.server_state import ServerState
 from u1db.errors import BrokenSyncStream
 
 import uuid
@@ -202,25 +201,3 @@ class LeapSyncTarget(HTTPSyncTarget):
         data = None
         return res['new_generation'], res['new_transaction_id']
 
-
-class LeapServerState(ServerState):
-    """
-    Inteface of the WSGI server with the CouchDB backend.
-    """
-
-    def __init__(self):
-        pass
-
-    def open_database(self, url):
-        # TODO: open couch
-        from leap.soledad.backends.couch import CouchDatabase
-        return CouchDatabase(url, create=False)
-
-    def ensure_database(self, url):
-        from leap.soledad.backends.couch import CouchDatabase
-        db = CouchDatabase(url, create=True)
-        return db, db._replica_uid
-
-    def delete_database(self, url):
-        from leap.soledad.backends.couch import CouchDatabase
-        CouchDatabase.delete_database(url)
diff --git a/src/leap/soledad/server.py b/src/leap/soledad/server.py
index 708e2e8c..4fc97be5 100644
--- a/src/leap/soledad/server.py
+++ b/src/leap/soledad/server.py
@@ -7,13 +7,11 @@ This should be run with:
 
 from twisted.web.wsgi import WSGIResource
 from twisted.internet import reactor
+from u1db.remote import http_app
+from leap.soledad.backends.couch import CouchServerState
 
-from u1db.remote import (
-    http_app,
-    server_state,
-)
-
-state = server_state.ServerState()
+couch_url = 'http://localhost:5984'
+state = CouchServerState(couch_url)
 # TODO: change working dir to something meaningful
 state.set_workingdir('/tmp')
 # TODO: write a LeapHTTPApp that will use Couch as backend instead of SQLite
-- 
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