FirstPhase.py

from flask import Flask, render_template, request
from rdflib import Graph, Namespace
from rdflib.namespace import RDF, OWL, RDFS, XSD

app = Flask(__name__)

g = Graph()
g.parse("json-ontology.jsonld", format="json-ld")  # OWL file path and format


# Namespace definition
ns = Namespace("http://www.semanticweb.org/satilmis/ontologies/2024/10/ontologygame#")
g.bind(":", ns)
g.bind("rdf", RDF)
g.bind("owl", OWL)
g.bind("rdfs", RDFS)
g.bind("xsd", XSD)

@app.route("/", methods=["GET", "POST"])
def home():
    platforms = request.form.getlist("platform")
    genres = request.form.getlist("genre")
    difficulties = request.form.getlist("difficulty")


    sparql_query = """
    PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
    PREFIX owl: <http://www.w3.org/2002/07/owl#>
    PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
    PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
    PREFIX : <http://www.semanticweb.org/satilmis/ontologies/2024/10/ontologygame#>

    SELECT DISTINCT ?game
    WHERE {
        ?game rdfs:subClassOf :Game .
    """

    filters = []

    # Add platform filter
    if platforms and "any" not in platforms:
        platform_filters = " UNION ".join([f"{{ ?game rdfs:subClassOf [ owl:onProperty :hasPlatform ; owl:someValuesFrom :{p} ] }}" for p in platforms])
        filters.append(f"({platform_filters})")

    # Add genre filter
    if genres and "any" not in genres:
        genre_filters = " UNION ".join([f"{{ ?game rdfs:subClassOf [ owl:onProperty :hasGenre ; owl:someValuesFrom :{g} ] }}" for g in genres])
        filters.append(f"({genre_filters})")

    # Add difficulty filter
    if difficulties and "any" not in difficulties:
        difficulty_filters = " UNION ".join([f"{{ ?game rdfs:subClassOf [ owl:onProperty :hasDifficulty ; owl:someValuesFrom :{d} ] }}" for d in difficulties])
        filters.append(f"({difficulty_filters})")


    # Combine filters into the query
    if filters:
        sparql_query += " FILTER (" + " && ".join(filters) + ")"
        
    sparql_query += "\n}"

    # Execute the SPARQL query
    results = g.query(sparql_query)

    # Extract results
    games = [str(row.game).split("#")[-1] for row in results]
    return render_template("index.html", games=games)

if __name__ == "__main__":
    app.run(debug=True,port=5051)