+#!/usr/bin/env python3
+
+from collections import defaultdict
+from datetime import datetime
+from random import choices
+from os import listdir
+from csv import DictReader
+
+import os.path
+import re
+import discord
+
+class ColdCall():
+ def __init__ (self):
+ self.today = str(datetime.date(datetime.now()))
+ # how much less likely should it be that a student is called upon?
+ self.weight = 2
+
+ # filenames
+ self.__fn_studentinfo = "data/student_information.tsv"
+ self.__fn_daily_calllist = f"data/call_list-{self.today}.tsv"
+ self.__fn_daily_attendence = f"data/attendence-{self.today}.tsv"
+
+ def __load_prev_questions(self):
+ previous_questions = defaultdict(int)
+
+ for fn in listdir("./data/"):
+ if re.match("call_list-\d{4}-\d{2}-\d{2}.tsv", fn):
+ with open(f"./data/{fn}", 'r') as f:
+ for row in DictReader(f, delimiter="\t"):
+ previous_questions[row["discord_name"]] += 1
+
+ return previous_questions
+
+ def __get_preferred_name(self, selected_student):
+ # translate the discord name into the preferred students name,
+ # if possible, otherwise return the discord name
+
+ preferred_names = {}
+ with open(self.__fn_studentinfo, 'r') as f:
+ for line in f.readlines():
+ x = line.strip().split("\t")
+ if x[0] == "Timestamp":
+ continue
+
+ preferred_names[x[4]] = x[2]
+
+ if selected_student in preferred_names:
+ return preferred_names[selected_student]
+ else:
+ return None
+
+ def __select_student_from_list (self, students_present):
+ prev_questions = self.__load_prev_questions()
+
+ # created a weighted list by starting out with everybody 1
+ weights = {s : 1 for s in students_present}
+
+ for s in students_present:
+ for i in range(0, prev_questions[s]):
+ # reduce the weight by a factor of 1/weight each time the student has been called upon
+ weights[s] = weights[s] / self.weight
+
+ # choose one student from the weighted list
+ print(weights)
+ return choices(list(weights.keys()), weights=list(weights.values()), k=1)[0]
+
+ def __record_attendence(self, students_present):
+ # if it's the first one of the day, write it out
+ if not os.path.exists(self.__fn_daily_attendence):
+ with open(self.__fn_daily_attendence, "w") as f:
+ print("\t".join(["timestamp", "attendence_list"]), file=f)
+
+ # open for appending the student
+ with open(self.__fn_daily_attendence, "a") as f:
+ print("\t".join([str(datetime.now()),
+ ",".join(students_present)]),
+ file=f)
+
+ def __record_coldcall(self, selected_student):
+ # if it's the first one of the day, write it out
+ if not os.path.exists(self.__fn_daily_calllist):
+ with open(self.__fn_daily_calllist, "w") as f:
+ print("\t".join(["discord_name", "timestamp", "answered", "assessment"]), file=f)
+
+ # open for appending the student
+ with open(self.__fn_daily_calllist, "a") as f:
+ print("\t".join([selected_student, str(datetime.now()),
+ "MISSING", "MISSING"]), file=f)
+
+ def coldcall(self, students_present):
+ selected_student = self.__select_student_from_list(students_present)
+
+ # record the called-upon student in the right place
+ self.__record_attendence(students_present)
+ self.__record_coldcall(selected_student)
+
+ preferred_name = self.__get_preferred_name(selected_student)
+ if preferred_name:
+ coldcall_message = f"{preferred_name} (@{selected_student}), you're up!"
+ else:
+ coldcall_message = f"@{selected_student}, you're up!"
+ return coldcall_message
+
+# cc = ColdCall()
+
+# test_student_list = ["Jordan", "Kristen Larrick", "Madison Heisterman", "Maria.Au20", "Laura (Alia) Levi", "Leona Aklipi", "Linya Feng", "anne", "kirst", "emmaaitelli", "ashleylee", "allie_partridge", "Tiana_Cole", "Hamin", "Ella Qu", "Angel Su", "Shizuka", "Ben Baird", "Kim Do", "Isaacm24", "Sam Bell", "Courtneylg", "TasnimHasan"]
+# cc.coldcall(test_student_list)
+
+# test_student_list = ["Jordan", "Kristen Larrick", "Mako"]
+# cc.coldcall(test_student_list)
+
+# test_student_list = ["Jordan", "Kristen Larrick"]
+# cc.coldcall(test_student_list)