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import os
from django.core.files.storage import FileSystemStorage
from django_pgschemas.routing.info import DomainInfo
from django_pgschemas.schema import get_current_schema
from django_pgschemas.settings import get_pathname_function
class TenantFileSystemStorage(FileSystemStorage):
"""
Tenant aware file system storage. Appends the tenant identifier to the base
location and base URL.
"""
def get_schema_path_identifier(self):
schema = get_current_schema()
if schema is None:
return ""
path_identifier = schema.schema_name
if hasattr(schema, "schema_pathname"):
path_identifier = schema.schema_pathname()
elif pathname_function := get_pathname_function():
path_identifier = pathname_function(schema)
return path_identifier
@property # To avoid caching of tenant
def base_location(self):
"""
Appends base location with the schema path identifier.
"""
file_folder = self.get_schema_path_identifier()
location = os.path.join(super().base_location, file_folder)
if not location.endswith("/"):
location += "/"
return location
@property # To avoid caching of tenant
def location(self):
return super().location
@property # To avoid caching of tenant
def base_url(self):
"""
Optionally appends base URL with the schema path identifier.
If the current schema is already using a folder, no path identifier is
appended.
"""
schema = get_current_schema()
url_folder = self.get_schema_path_identifier()
# Specific case of domain+folder routing
if (
url_folder
and schema
and isinstance(schema.routing, DomainInfo)
and schema.routing.folder
):
# Since we're already prepending all URLs with schema, there is no
# need to make the differentiation here
url_folder = ""
parent_base_url = super().base_url.strip("/")
url = "/".join(["", parent_base_url, url_folder])
if not url.endswith("/"):
url += "/"
return url
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