backend: добавлены базовые модели классов, расс и персонажей

backend/textsouls/common/views.py

@@ -0,0 +1,68 @@
+from .. import db
+
+from flask import request
+from flask import jsonify
+from flask.views import MethodView
+
+
+class ItemAPI(MethodView):
+    init_every_request = False
+
+    def __init__(self, model):
+        self.model = model
+
+    def _get_item(self, id):
+        return self.model.query.get_or_404(id)
+
+    def get(self, id):
+        item = self._get_item(id)
+        return item.to_dict()
+
+    def patch(self, id):
+        item = self._get_item(id)
+        errors = self.validator.validate(item, request.json)
+
+        if errors:
+            return jsonify(errors), 400
+
+        item.update_from_json(request.json)
+        db.session.commit()
+        return item.to_dict()
+
+    def delete(self, id):
+        item = self._get_item(id)
+        db.session.delete(item)
+        db.session.commit()
+        return "", 200
+
+
+class ListAPI(MethodView):
+    init_every_request = False
+
+    def __init__(self, model):
+        self.model = model
+
+    def _get_item(self, id):
+        return self.model.query.filter_by(id=id).first()
+
+    def get(self):
+        items = self.model.query.all()
+        return jsonify([item.to_dict() for item in items])
+
+    def post(self):
+
+        item = self._get_item(request.json["id"])
+
+        if item:
+            return "Already exists!", 400
+
+        db.session.add(self.model(**request.json))
+        db.session.commit()
+        return "", 200
+
+
+def register_api(app, model, name):
+    item = ItemAPI.as_view(f"{name}-item", model)
+    group = ListAPI.as_view(f"{name}-list", model)
+    app.add_url_rule(f"/{name}/<int:id>", view_func=item)
+    app.add_url_rule(f"/{name}/", view_func=group)