backend: полная реструктуризация

backend/textsouls/common/api.py

@@ -0,0 +1,74 @@
+from flask import request
+from flask.views import MethodView
+
+from flask_admin.contrib.sqla import ModelView
+
+from textsouls import db
+
+
+class CommonAdminView(ModelView):
+    def __init__(self, model, *args, **kwargs):
+        self.column_list = [c.key for c in model.__table__.columns]
+        super(CommonAdminView, self).__init__(model, *args, **kwargs)
+
+
+class ItemAPI(MethodView):
+    init_every_request = False
+
+    def __init__(self, model, filter_field):
+        self.model = model
+        self.filter_field = filter_field
+
+    def _get_item(self, field_value):
+        return self.model.query.filter(
+            getattr(self.model, self.filter_field) == field_value
+        ).first()
+
+    def get(self, field_value):
+        item = self._get_item(field_value)
+        return item.to_dict() if item else []
+
+    def delete(self, field_value):
+        item = self._get_item(field_value)
+        db.session.delete(item)
+        db.session.commit()
+        return "", 200
+
+
+class ListAPI(MethodView):
+    init_every_request = False
+
+    def __init__(self, model, filter_field):
+        self.model = model
+        self.filter_field = filter_field
+
+    def _get_item(self, field_value):
+        return self.model.query.filter(
+            getattr(self.model, self.filter_field) == field_value
+        )
+
+    def get(self):
+        items = self.model.query.all()
+        return [item.to_dict() for item in items]
+
+    def post(self):
+
+        data = request.json
+
+        field_value = data.get("field_value")
+        if field_value:
+            item = self._get_item(field_value)
+
+            if item:
+                return "Already exists!", 400
+
+        db.session.add(self.model(**data))
+        db.session.commit()
+        return "", 200
+
+
+def register_api(app, model, name, filter_field="id"):
+    item = ItemAPI.as_view(f"{name}-item", model, filter_field)
+    group = ListAPI.as_view(f"{name}-list", model, filter_field)
+    app.add_url_rule(f"/{name}/<int:field_value>", view_func=item)
+    app.add_url_rule(f"/{name}/", view_func=group)