Merge branch 'refs/heads/dev_Alkaratus' into get_movie_recommendations

# Conflicts:
#	connector/Include/frontend_AI_connector.py
#	movie_recommendations/Test.http
#	movie_recommendations/movie_recommender.py

connector/Include/analytics.py

@@ -0,0 +1,116 @@
+from flask import Flask, request, jsonify
+from flask_caching import Cache
+import psycopg2
+import pandas
+import json
+from configparser import ConfigParser
+from datetime import datetime
+
+
+app = Flask(__name__)
+cache = Cache(config={'CACHE_TYPE': 'SimpleCache'})
+db_connector = None
+conn = None
+
+
+@app.route("/api/get_number_of_ratings", methods=["GET"])
+@cache.cached(timeout=500)
+def get_number_of_ratings():
+    cursor = conn.cursor()
+    cursor.execute("select count(*) as num_of_ratings from ratings")
+    res = cursor.fetchall()
+
+    cursor.close()
+
+    return jsonify(res[0]), 200
+
+
+@app.route("/api/get_movie_ratings/<string:movie_id>", methods=["GET"])
+@cache.cached(timeout=50)
+def get_movie_ratings(movie_id):
+    cursor = conn.cursor()
+    ratings = {}
+    rating_values = [5, 4, 3, 2, 1]
+
+    for rating in rating_values:
+        cursor.execute("""
+                SELECT COUNT(*) as count 
+                FROM ratings 
+                WHERE rating = %s AND movie_ID = %s;
+            """, (rating, movie_id))
+        result = cursor.fetchone()
+        ratings[f'{rating}_star'] = result[0]
+
+    cursor.close()
+
+    return jsonify(ratings), 200
+
+
+@app.route("/api/get_users_number", methods=["GET"])
+@cache.cached(timeout=50)
+def get_number_of_users():
+    cursor = conn.cursor()
+    cursor.execute("select count(*) as num_of_users from users")
+    res = cursor.fetchall()
+
+    cursor.close()
+
+    return jsonify(res[0]), 200
+
+
+@app.route("/api/get_movie_rating_avg/<string:movie_id>", methods=["GET"])
+@cache.cached(timeout=50)
+def get_movie_rating_avg(movie_id):
+    cursor = conn.cursor()
+    cursor.execute("""
+            SELECT AVG(rating) as avg_rating 
+            FROM ratings 
+            WHERE movie_ID = %s;
+        """, (movie_id,))
+    res = cursor.fetchall()
+
+    cursor.close()
+
+    return jsonify(res[0]), 200
+
+
+@app.route("/api/get_user_ratings/<string:user_id>", methods=["GET"])
+@cache.cached(timeout=50)
+def get_user_ratings(user_id):
+    cursor = conn.cursor()
+    cursor.execute("""
+            SELECT * 
+            FROM ratings 
+            WHERE oauth_ID = %s;
+        """, (user_id,))
+    res = cursor.fetchall()
+
+    cursor.close()
+
+    return jsonify(res), 200
+
+
+if __name__ == "__main__":
+    config = ConfigParser()
+    config.read("init_scripts/constants.ini")
+
+    while True:
+        try:
+            conn = psycopg2.connect(
+                host=config["postgres"]["host"],
+                database=config["postgres"]["database"],
+                user=config["postgres"]["user"],
+                password=config["postgres"]["password"],
+                port=int(config["postgres"]["port"])
+            )
+
+        except Exception:
+            print("Trying to connect with database")
+            continue
+        else:
+            break
+
+    cache.init_app(app)
+    app.run(host="0.0.0.0", port=8090, debug=True)
+
+    conn.close()

connector/Include/frontend_AI_connector.py

@@ -1,4 +1,5 @@
 from flask import Flask, request, jsonify
+from flask_caching import Cache
 import psycopg2
 import pandas
 import json
@@ -13,6 +14,7 @@ db_connector = None
 conn = None
 movie_list = None
 
+
 def error_decorator(fun):
     def inner1(*args, **kwargs):
         try:
@@ -22,18 +24,21 @@ def error_decorator(fun):
 
     return inner1
 
+
 @app.route("/", methods=["GET"])
 @cache.cached(timeout=69)
 def hello():
     return jsonify({"response": "Hello there", "time": datetime.now()}), 200
 
-#endpoint do wyciągania danych o userze
+
+# endpoint do wyciągania danych o userze
 @app.route("/api/v3/get/<string:username>", methods=["GET"])
 def access_user(username):
     return jsonify({"us": "er"}), 200
 
-#endpoint służący do zapisu danych nowostworzonego użytkownika, podajemy mu
+
-#id z oautha oraz login
+# endpoint służący do zapisu danych nowo stworzonego użytkownika, podajemy mu
+# id z oautha oraz login
 @app.route("/api/v3/add/<string:oauth_ID>/<string:username>", methods=["POST"])
 def add_user(oauth_ID, username):
     cursor = conn.cursor()
@@ -54,7 +59,7 @@ def add_user(oauth_ID, username):
     return jsonify({"status": "success"}), 200
 
 
-#roboczy endpoint służący do wyciąganiu rekomendacji
+# roboczy endpoint służący do wyciąganiu rekomendacji
 @app.route("/api/v3/ai/<string:oauth_ID>", methods=["GET"])
 def get_recommendations(oauth_ID):
     cursor = conn.cursor()
@@ -67,6 +72,7 @@ def get_recommendations(oauth_ID):
                              headers={'Content-Type': 'application/json'})
     return jsonify(response.json()), 200
 
+
 @app.route("/api/v3/get_movie/<int:movie_ID>", methods=["GET"])
 def get_movie(movie_ID):
     movie_info = movie_list.loc[movie_list['movie_id'] == movie_ID]
@@ -74,8 +80,8 @@ def get_movie(movie_ID):
         return jsonify({"status": "Movie with ID {} doesn't exist".format(movie_ID)}
                        ), 500
 
-    cast = json.loads(movie_info["cast"][0].replace('\\"','"'))
+    cast = json.loads(movie_info["cast"][0].replace('\\"', '"'))
-    crew = json.loads(movie_info["crew"][0].replace('\\"','"'))
+    crew = json.loads(movie_info["crew"][0].replace('\\"', '"'))
 
     output_json = {"movie_id": movie_ID,
                    "title": movie_info["title"][0],
@@ -84,6 +90,7 @@ def get_movie(movie_ID):
 
     return jsonify(output_json), 200
 
+
 @app.route("/api/v3/rate_movie/<string:uID>/<string:movie_ID>/<int:rating>", methods=["POST"])
 def rate_movie(uID, movie_ID, rating):
     movie_info = movie_list.loc[movie_list['movie_id'] == int(movie_ID)]
@@ -146,7 +153,7 @@ if __name__ == "__main__":
 
     movie_list = pandas.read_csv(config["movie"]["csv_path"])
     cache.init_app(app)
-    app.run(host="0.0.0.0",port=8090, debug=True)
+    app.run(host="localhost", port=8090, debug=True)
 
     conn.close()
 

test_scripts/Test.http

@@ -0,0 +1,24 @@
+###
+GET http://127.0.0.1:8090/get/boop
+###
+POST http://127.0.0.1:8090/api/v3/AI_recommendations
+Content-Type: application/json
+
+[
+  49026,
+  155,
+  312113
+]
+###
+POST http://127.0.0.1:8090/api/v3/add/1111/boop
+###
+POST http://127.0.0.1:8090/api/v3/rate_movie/1111/155/4
+###
+GET http://localhost:8090/api/get_number_of_ratings
+###
+GET http://localhost:8090/api/get_movie_ratings/155
+###
+GET http://localhost:8090/api/get_users_number
+###
+GET http://localhost:8090/api/get_movie_rating_avg/155
+###