template = """
Return product name, price, and url as a python dictionary. 
You should always return a Python dictionary with keys price, name and url for single product.
You should always return a Python list of dictionaries with keys price, name and url for multiple products.
Do not return any explanation.

Legitimate Response Schema:
{"price": "float", "name": "string", "url": "string"}
Legitimate Response Schema for multiple products:
[{"price": "float", "name": "string", "url": "string"},{"price": "float", "name": "string", "url": "string"}]

Context:
{% for document in documents %}
    product_price: {{ document.meta['price'] }}
    product_url: {{ document.meta['url'] }}
    product_id: {{ document.meta['id'] }}
    product_name: {{ document.content }}
{% endfor %}
Question: {{ question }}
Answer:
"""

rag_pipe = Pipeline()
rag_pipe.add_component("embedder", SentenceTransformersTextEmbedder(model="sentence-transformers/all-MiniLM-L6-v2"))
rag_pipe.add_component("retriever", InMemoryEmbeddingRetriever(document_store=document_store, top_k=5))
rag_pipe.add_component("prompt_builder", PromptBuilder(template=template))
rag_pipe.add_component("llm", generator())

rag_pipe.connect("embedder.embedding", "retriever.query_embedding")
rag_pipe.connect("retriever", "prompt_builder.documents")
rag_pipe.connect("prompt_builder", "llm")