photo library planning

photoapp/api.py

@@ -8,6 +8,7 @@ from photoapp.types import Photo, PhotoSet, Tag, TagItem, PhotoStatus, User
 from jinja2 import Environment, FileSystemLoader, select_autoescape
 from sqlalchemy import desc
 from sqlalchemy import func, and_, or_
+from sqlalchemy.exc import IntegrityError
 from photoapp.common import pwhash
 import math
 from urllib.parse import urlparse
@@ -33,8 +34,16 @@ class StorageAdapter(object):
         # TODO erase the path
         raise NotImplementedError()
 
+    def dedupe_name(self, path):
+        # TODO modify and return the passed path such that writing to it does not overwrite an existing file
+        raise NotImplementedError()
+
 
 class FilesystemAdapter(StorageAdapter):
+    def __init__(self, root):
+        super().__init__()
+        self.root = root  # root path
+
     def file_exists(self, path):
         # TODO return true/false if the file path exists
         raise NotImplementedError()
@@ -47,6 +56,10 @@ class FilesystemAdapter(StorageAdapter):
         # TODO erase the path
         raise NotImplementedError()
 
+    def dedupe_name(self, path):
+        # TODO modify and return the passed path such that writing to it does not overwrite an existing file
+        raise NotImplementedError()
+
 
 class S3Adapter(StorageAdapter):
     def file_exists(self, path):
@@ -61,15 +74,20 @@ class S3Adapter(StorageAdapter):
         # TODO erase the path
         raise NotImplementedError()
 
+    def dedupe_name(self, path):
+        # TODO modify and return the passed path such that writing to it does not overwrite an existing file
+        raise NotImplementedError()
+
 
 class GfapiAdapter(StorageAdapter):
-    pass
+    pass   # TODO gluster storage backend
 
 
 #This is largely duplicated from library.py, but written with intent for later refactoring to support abstract storage.
 class LibraryManager(object):
-    def __init__(self):
-        pass
+    def __init__(self, storage):
+        assert isinstance(storage, StorageAdapter)
+        self.storage = storage
 
     def add_photoset(self, photoset):
         """
@@ -108,13 +126,14 @@ class LibraryManager(object):
 
 
 class PhotosApi(object):
-    def __init__(self):
-        self.v1 = PhotosApiV1()
+    def __init__(self, library):
+        self.library = library
+        self.v1 = PhotosApiV1(self.library)
 
 
 class PhotosApiV1(object):
-    def __init__(self):
-        self.lib = LibraryManager()
+    def __init__(self, library):
+        self.library = library
 
     @cherrypy.expose
     def index(self):

photoapp/daemon.py

@@ -8,7 +8,7 @@ from jinja2 import Environment, FileSystemLoader, select_autoescape
 from sqlalchemy import desc
 from sqlalchemy import func, and_, or_
 from photoapp.common import pwhash
-from photoapp.api import PhotosApi
+from photoapp.api import PhotosApi, LibraryManager, FilesystemAdapter
 from photoapp.dbutils import SAEnginePlugin, SATool
 import math
 from urllib.parse import urlparse
@@ -471,7 +471,11 @@ def main():
 
     cherrypy.tools.db = SATool()
     SAEnginePlugin(cherrypy.engine, library.engine).subscribe()
-    api = PhotosApi()
+
+    library_storage = FilesystemAdapter(args.library)
+    library_manager = LibraryManager(library_storage)
+
+    api = PhotosApi(library_manager)
     cherrypy.tree.mount(api, '/api', {'/': {'tools.trailing_slash.on': False,
                                             'tools.auth_basic.on': True,
                                             'tools.auth_basic.realm': 'photolib',