Add authenticated finance REST API

app/database.py

@@ -23,13 +23,18 @@ def connect(path=None):
         db.close()
 
 
-def ensure_asset(db, name, asset_type='other', ticker=None):
+def validate_asset(name, asset_type='other', ticker=None):
     name = canonical_name(name)
     if asset_type not in ASSET_TYPES:
         raise ValueError('Ungültiger Positionstyp.')
     ticker = (ticker or '').strip()
     if len(ticker) > 30:
         raise ValueError('Ticker darf maximal 30 Zeichen enthalten.')
+    return name, ticker or None
+
+
+def ensure_asset(db, name, asset_type='other', ticker=None):
+    name, ticker = validate_asset(name, asset_type, ticker)
     db.execute('INSERT INTO assets (name, normalized_name, ticker, asset_type) VALUES (?, ?, ?, ?) ON CONFLICT(normalized_name) DO NOTHING',
                (name, name_key(name), ticker or None, asset_type))
     return db.execute('SELECT id FROM assets WHERE normalized_name = ?', (name_key(name),)).fetchone()['id']
@@ -39,6 +44,7 @@ def initialize(path=None):
     target = Path(path or db_path())
     target.parent.mkdir(parents=True, exist_ok=True)
     with connect(target) as db:
+        first_setup = db.execute("SELECT 1 FROM sqlite_master WHERE type='table' AND name='assets'").fetchone() is None
         db.execute('PRAGMA journal_mode = WAL')
         db.executescript('''
         CREATE TABLE IF NOT EXISTS assets (
@@ -67,7 +73,8 @@ def initialize(path=None):
         );
         PRAGMA user_version = 1;
         ''')
-        for name, kind in [('AGNC','stock'), ('Main Street Capital','stock'), ('Capital Southwest','stock'),
-                           ('Ares Capital','stock'), ('Realty Income','stock'), ('Enbridge','stock'),
-                           ('Bayer','stock'), ('STOXX Global Select Dividend 100','etf'), ('airBaltic','bond')]:
-            ensure_asset(db, name, kind)
+        if first_setup:
+            for name, kind in [('AGNC','stock'), ('Main Street Capital','stock'), ('Capital Southwest','stock'),
+                               ('Ares Capital','stock'), ('Realty Income','stock'), ('Enbridge','stock'),
+                               ('Bayer','stock'), ('STOXX Global Select Dividend 100','etf'), ('airBaltic','bond')]:
+                ensure_asset(db, name, kind)