v1.0

backend/app/services/session_recipes.py

@@ -0,0 +1,57 @@
+from ..models import db
+from ..models.session import Recipe, Vote
+from .recipes import get_recipes
+
+
+def serialize_recipe(recipe):
+    return {
+        "id": recipe.id,
+        "title": recipe.title,
+        "url": recipe.url,
+        "imageUrl": recipe.image_url,
+        "meta": recipe.meta,
+        "position": recipe.position,
+    }
+
+
+def add_recipe_batch(session, size=8):
+    existing_urls = {recipe.url for recipe in session.recipes}
+    next_position = len(session.recipes)
+    added = 0
+
+    for _ in range(3):
+        for recipe_data in get_recipes():
+            if recipe_data["url"] in existing_urls:
+                continue
+
+            session.recipes.append(Recipe(position=next_position, **recipe_data))
+            existing_urls.add(recipe_data["url"])
+            next_position += 1
+            added += 1
+
+            if added == size:
+                db.session.flush()
+                return added
+
+    if added:
+        db.session.flush()
+        return added
+
+    for recipe_data in get_recipes()[:size]:
+        session.recipes.append(Recipe(position=next_position, **recipe_data))
+        next_position += 1
+        added += 1
+
+    db.session.flush()
+    return added
+
+
+def replace_recipe_batch(session, size=8):
+    session.matched_recipe_id = None
+    Vote.query.filter_by(session_id=session.id).delete()
+    for recipe in list(session.recipes):
+        db.session.delete(recipe)
+
+    db.session.flush()
+    session.recipes.clear()
+    return add_recipe_batch(session, size)