Add read-only NAS and WebDAV photo sources with random scheduling

pigway_frame_flow/display/service.py

@@ -12,9 +12,11 @@ from pigway_frame_flow.models import (
     DisplayRequest,
     FutureContent,
     ImageContent,
+    PhotoSourceContent,
     TemplateContent,
     URLContent,
 )
+from pigway_frame_flow.providers.photo_sources import PhotoSources
 from pigway_frame_flow.renderers.images import convert
 from pigway_frame_flow.storage.database import encode, now_iso
 
@@ -23,6 +25,7 @@ class DisplayService:
     """One persistent queue; injected driver registry. No vendor imports."""
 
     def __init__(self, db, settings, registry: DriverRegistry, assets, renderer):
+        self.photo_sources = PhotoSources(db, settings, assets)
         self.db, self.settings, self.registry, self.assets, self.renderer = (
             db,
             settings,
@@ -49,6 +52,8 @@ class DisplayService:
             )
         if isinstance(request.content, TemplateContent):
             self.renderer.info(request.content.template)
+        if isinstance(request.content, PhotoSourceContent):
+            self.photo_sources.get(request.content.source_id)
         if writing and not self.settings.mock and not self.settings.write_enabled:
             raise FlowError(E.WRITE_DISABLED, "Real device writes are disabled", 403)
 
@@ -167,6 +172,9 @@ class DisplayService:
                 (asset["asset_id"], encode(source)),
             )
             return asset
+        if isinstance(content, PhotoSourceContent):
+            data, name = self.photo_sources.read(content.source_id, content.item_id)
+            return self.assets.put(convert(data, content.fit, content.profile), name)
         if isinstance(content, URLContent):
             data = self.assets.fetch_url(content.url)
         elif isinstance(content, ImageContent) and content.asset_id: