Files
gander/web_server/blueprints/search_bar.py

138 lines
4.7 KiB
Python

from flask import Blueprint, jsonify, request
from database.database import Database
from utils.utils import sanitize
search_bp = Blueprint("search", __name__)
@search_bp.route("/search", methods=["POST"])
def search_results():
"""
Return the most similar search results
This is the main route that displays a subsection of each search topic
"""
data = request.get_json()
query = sanitize(data["query"])
# Create the connection to the database
db = Database()
db.create_connection()
# Get the most accurate search results
# 3 categories
categories = db.fetchall("""
SELECT bm25(category_fts) AS score, c.category_id, c.category_name
FROM categories AS c
INNER JOIN category_fts AS f ON c.category_id = f.category_id
WHERE f.category_name LIKE '%' || ? || '%'
ORDER BY score ASC
LIMIT 4;
""", (query,))
# 3 users
users = db.fetchall("""
SELECT bm25(user_fts) AS score, u.user_id, u.username, u.is_live
FROM users AS u
INNER JOIN user_fts AS f ON u.user_id = f.user_id
WHERE f.username LIKE '%' || ? || '%'
ORDER BY score ASC
LIMIT 4;
""", (query,))
# 3 streams
streams = db.fetchall("""
SELECT bm25(stream_fts) AS score, s.user_id, s.title, s.num_viewers, c.category_name, u.username
FROM streams AS s
INNER JOIN stream_fts AS f ON s.user_id = f.user_id
INNER JOIN users AS u ON s.user_id = u.user_id
INNER JOIN categories AS c ON s.category_id = c.category_id
WHERE f.title LIKE '%' || ? || '%'
ORDER BY score ASC
LIMIT 4;
""", (query,))
db.close_connection()
print(query, streams, users, categories, flush=True)
return jsonify({"streams": streams, "categories": categories, "users": users})
@search_bp.route("/search/categories", methods=["GET", "POST"])
def search_categories():
"""
Display all the results for categories from the specified user query
"""
# Receive the query data from the user
data = request.get_json()
query = sanitize(data["query"])
# Create the connection to the database
db = Database()
db.create_connection()
# Fetch the ranked data and send to JSON to be displayed
categories = db.fetchall("""
SELECT bm25(category_fts) AS score, c.category_id, c.category_name
FROM categories AS c
INNER JOIN category_fts AS f ON c.category_id = f.category_id
WHERE f.category_name LIKE '%' || ? || '%'
ORDER BY score ASC;
""", (query,))
db.close_connection()
return jsonify({"categories": categories})
@search_bp.route("/search/users", methods=["GET", "POST"])
def search_users():
"""
Display all the results for users from the specified user query
"""
# Receive the query data from the user
data = request.get_json()
query = sanitize(data["query"])
# Create the connection to the database
db = Database()
db.create_connection()
# Fetch the ranked data and send to JSON to be displayed
users = db.fetchall("""
SELECT bm25(user_fts) AS score, u.user_id, u.username, u.is_live
FROM users AS u
INNER JOIN user_fts AS f ON u.user_id = f.user_id
WHERE f.username LIKE '%' || ? || '%'
ORDER BY score ASC;
""", (query,))
db.close_connection()
return jsonify({"users": users})
@search_bp.route("/search/streams", methods=["GET", "POST"])
def search_streams():
"""
Display all the results for streams from the specified user query
"""
# Receive the query data from the user
data = request.get_json()
query = sanitize(data["query"])
# Create the connection to the database
db = Database()
db.create_connection()
# Fetch the ranked data and send to JSON to be displayed
streams = db.fetchall("""
SELECT bm25(stream_fts) AS score, s.user_id, s.title, s.num_viewers, s.category_id, u.username
FROM streams AS s
INNER JOIN stream_fts AS f ON s.user_id = f.user_id
INNER JOIN users AS u ON s.user_id = u.user_id
WHERE f.title LIKE '%' || ? || '%'
ORDER BY score ASC;
""", (query,))
db.close_connection()
return jsonify({"streams": streams})