Sith/api/views/uv.py

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from rest_framework.response import Response
from rest_framework.decorators import api_view, renderer_classes
from rest_framework.renderers import JSONRenderer
from django.core.exceptions import PermissionDenied
from django.conf import settings
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from rest_framework import serializers
import urllib.request
import json
from pedagogy.views import CanCreateUVFunctionMixin
@api_view(["GET"])
@renderer_classes((JSONRenderer,))
def uv_endpoint(request):
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if not CanCreateUVFunctionMixin.can_create_uv(request.user):
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raise PermissionDenied
params = request.query_params
if "year" not in params or "code" not in params:
raise serializers.ValidationError("Missing query parameter")
short_uv, full_uv = find_uv("fr", params["year"], params["code"])
if short_uv is None or full_uv is None:
return Response(status=204)
return Response(make_clean_uv(short_uv, full_uv))
def find_uv(lang, year, code):
"""
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Uses the UTBM API to find an UV.
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short_uv is the UV entry in the UV list. It is returned as it contains
information which are not in full_uv.
full_uv is the detailed representation of an UV.
"""
# query the UV list
uvs_url = settings.SITH_PEDAGOGY_UTBM_API + "/uvs/{}/{}".format(lang, year)
response = urllib.request.urlopen(uvs_url)
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uvs = json.loads(response.read().decode("utf-8"))
try:
# find the first UV which matches the code
short_uv = next(uv for uv in uvs if uv["code"] == code)
except StopIteration:
return (None, None)
# get detailed information about the UV
uv_url = settings.SITH_PEDAGOGY_UTBM_API + "/uv/{}/{}/{}/{}".format(
lang, year, code, short_uv["codeFormation"]
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)
response = urllib.request.urlopen(uv_url)
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full_uv = json.loads(response.read().decode("utf-8"))
return (short_uv, full_uv)
def make_clean_uv(short_uv, full_uv):
"""
Cleans the data up so that it corresponds to our data representation.
"""
res = {}
res["credit_type"] = short_uv["codeCategorie"]
# probably wrong on a few UVs as we pick the first UV we find but
# availability depends on the formation
semesters = {
(True, True): "AUTUMN_AND_SPRING",
(True, False): "AUTUMN",
(False, True): "SPRING",
}
res["semester"] = semesters.get(
(short_uv["ouvertAutomne"], short_uv["ouvertPrintemps"]), "CLOSED"
)
langs = {"es": "SP", "en": "EN", "de": "DE"}
res["language"] = langs.get(full_uv["codeLangue"], "FR")
if full_uv["departement"] == "Pôle Humanités":
res["department"] = "HUMA"
else:
departments = {
"AL": "IMSI",
"AE": "EE",
"GI": "GI",
"GC": "EE",
"GM": "MC",
"TC": "TC",
"GP": "IMSI",
"ED": "EDIM",
"AI": "GI",
"AM": "MC",
}
res["department"] = departments.get(full_uv["codeFormation"], "NA")
res["credits"] = full_uv["creditsEcts"]
activities = ("CM", "TD", "TP", "THE", "TE")
for activity in activities:
res["hours_{}".format(activity)] = 0
for activity in full_uv["activites"]:
if activity["code"] in activities:
res["hours_{}".format(activity["code"])] += activity["nbh"] // 60
# wrong if the manager changes depending on the semester
semester = full_uv.get("automne", None)
if not semester:
semester = full_uv.get("printemps", {})
res["manager"] = semester.get("responsable", "")
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res["title"] = full_uv["libelle"]
descriptions = {
"objectives": "objectifs",
"program": "programme",
"skills": "acquisitionCompetences",
"key_concepts": "acquisitionNotions",
}
for res_key, full_uv_key in descriptions.items():
res[res_key] = full_uv[full_uv_key]
# if not found or the API did not return a string
if type(res[res_key]) != str:
res[res_key] = ""
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return res