[feat] install extensions from dir (#2781)

* feat: search ext dir and install
* fix: `upgrade_hash` logic
* chore: clean-up `upgrade_hash` logic
* fix: screen refresh
* fix: ignore non-ext dirs
* fix: ext migration

lnbits/app.py

@@ -21,6 +21,7 @@ from lnbits.core.crud import (
     get_installed_extensions,
     update_installed_extension_state,
 )
+from lnbits.core.crud.extensions import create_installed_extension
 from lnbits.core.helpers import migrate_extension_database
 from lnbits.core.services.extensions import deactivate_extension, get_valid_extensions
 from lnbits.core.tasks import (  # watchdog_task
@@ -265,6 +266,25 @@ async def build_all_installed_extensions_list(
     installed_extensions = await get_installed_extensions()
     settings.lnbits_all_extensions_ids = {e.id for e in installed_extensions}
 
+    for ext_dir in Path(settings.lnbits_extensions_path, "extensions").iterdir():
+        try:
+            if not ext_dir.is_dir():
+                continue
+            ext_id = ext_dir.name
+            if ext_id in settings.lnbits_all_extensions_ids:
+                continue
+            ext_info = InstallableExtension.from_ext_dir(ext_id)
+            if not ext_info:
+                continue
+
+            installed_extensions.append(ext_info)
+            await create_installed_extension(ext_info)
+            current_version = await get_db_version(ext_id)
+            await migrate_extension_database(ext_info, current_version)
+
+        except Exception as e:
+            logger.warning(e)
+
     for ext_id in settings.lnbits_extensions_default_install:
         if ext_id in settings.lnbits_all_extensions_ids:
             continue