From 251648e9a47c50ce54c2cff1d1fafd039a197e0f Mon Sep 17 00:00:00 2001
From: Ferdinand Thiessen <rpm@fthiessen.de>
Date: Thu, 18 Feb 2021 12:41:25 +0100
Subject: [PATCH] [System] plugins can register a post install routine, for
 e.g. filling the database.

---
 flaschengeist/app.py              | 6 +++++-
 flaschengeist/plugins/__init__.py | 6 ++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/flaschengeist/app.py b/flaschengeist/app.py
index 1a80aa0..c460e99 100644
--- a/flaschengeist/app.py
+++ b/flaschengeist/app.py
@@ -50,7 +50,7 @@ def __load_plugins(app):
                 app.config["FG_AUTH_BACKEND"] = plugin
             else:
                 del plugin
-        else:
+        if plugin:
             app.config["FG_PLUGINS"][entry_point.name] = plugin
     if "FG_AUTH_BACKEND" not in app.config:
         logger.error("No authentication plugin configured or authentication plugin not found")
@@ -61,14 +61,18 @@ def install_all():
 
     db.create_all()
     db.session.commit()
+    installed = []
     for name, plugin in current_app.config["FG_PLUGINS"].items():
         if not plugin:
             logger.debug("Skip disabled plugin {}".format(name))
             continue
         logger.info("Install plugin {}".format(name))
         plugin.install()
+        installed.append(plugin)
         if plugin.permissions:
             roleController.create_permissions(plugin.permissions)
+    for plugin in installed:
+        plugin.post_install()
 
 
 def create_app(test_config=None):
diff --git a/flaschengeist/plugins/__init__.py b/flaschengeist/plugins/__init__.py
index 2aa8234..41a019e 100644
--- a/flaschengeist/plugins/__init__.py
+++ b/flaschengeist/plugins/__init__.py
@@ -44,6 +44,12 @@ class Plugin:
         """
         pass
 
+    def post_install(self):
+        """Fill database or do other stuff
+        Called after all plugins are installed
+        """
+        pass
+
     def serialize(self):
         """Serialize a plugin into a dict