data work inside the view

django_code/apps/random_simpsons/views.py

@@ -1,8 +1,77 @@
 from django.shortcuts import render
+import random
+
 
 # Create your views here.
 from django.http import HttpResponse
+from django.db.models import Count
 from django.shortcuts import render
+from apps.random_simpsons.models import SimpsonsData
+
 
 def hello(request):
     return HttpResponse('<h1>Hello Django!</h1>')
+
+def random_episode(request):
+    simpsons_data_object = SimpsonsData.objects.using('simpsons_db')
+    maximum_number_of_seasons = SimpsonsData.objects.aggregate(unique_season=Count('season', distinct=True))['unique_season']
+
+    print("maximum_number_of_seasons: "+str(maximum_number_of_seasons))
+
+    random_seasons = random.randint(1, maximum_number_of_seasons)
+    print("random season: " + str(random_seasons))
+
+    print("--- START SIMPSONS LOG ---")
+    simpson_stuff = simpsons_data_object.filter(season=random_seasons)
+    for line in simpson_stuff:
+        print(line)
+    print("--- END SIMPSONS LOG ---")
+
+   
+    # Keeps Django happy by returning a valid web response
+    return HttpResponse('Check your terminal log!')
+
+def simpsons(request):
+    #dev settings
+    #generated_db = DB_generation("192.168.88.50",32345, "django_username", "Suffrage-Moneybags-Illusion7","django")
+    #production settings
+    generated_db = DB_generation("django-db-svc",5432, "django_username", "Suffrage-Moneybags-Illusion7","django")
+
+    cursor = generated_db.cursor()
+
+    #get max number of season
+    maximum_number_of_seasons = Launch_sql_query("SELECT COUNT(DISTINCT season) as result FROM episodes;",generated_db)
+
+    boolean_restart = True;
+    while (boolean_restart):
+
+        random_seasons = random.randint(1, maximum_number_of_seasons)
+        print("random season: " + str(random_seasons))
+
+
+        #get max number of epiosde for this season
+        maximum_number_of_episodes_query = "SELECT COUNT(url) as result FROM episodes WHERE season = " + str(random_seasons) + ";"
+
+        maximum_number_of_episodes = Launch_sql_query(maximum_number_of_episodes_query,generated_db)
+
+        random_episode = random.randint(1, maximum_number_of_episodes)
+        print("random episode: " + str(random_episode))
+
+        #check if the episode was already seen
+        check_if_already_seen_query =  "select seen from episodes where season="+ str(random_seasons) +" and episode = "+ str(random_episode) +";"
+        if not Launch_sql_query(check_if_already_seen_query, generated_db):
+            boolean_restart = False
+        else:
+            print("episode "+str(random_episode)+" from season "+str(random_seasons)+" already seen")
+
+        url_from_episode_season_query = "select url from episodes where season="+ str(random_seasons) +" and episode = "+ str(random_episode) +";"
+        generated_url = Launch_sql_query(url_from_episode_season_query,generated_db)
+
+        #mark as seen
+        url_from_episode_season_query = "update episodes set seen = True where season=" + str(random_seasons) + " and episode = " + str(random_episode) + ";"
+        Launch_sql_query(url_from_episode_season_query, generated_db)
+
+    generated_db.commit()
+    generated_db.close()
+    #return HttpResponse(str(generated_url))
+    return redirect(str(generated_url))