Get PDF for weekday [TIMETABLE/SUBSTITUTIONS]

biscuit/apps/chronos/pdf.py

+import os
 import subprocess
 
 from django.utils import timezone
@@ -85,11 +86,11 @@ TEX_HEADER_CLASS = """
 
 
 def generate_pdf(tex, filename):
-    tex_file = open(filename + ".tex", "w")
+    tex_file = open(os.path.join("latex", filename + ".tex"), "w")
     tex_file.write(tex)
     tex_file.close()
 
-    bash_command = "pdflatex {}.tex".format(filename)
+    bash_command = "pdflatex -output-directory latex {}.tex".format(filename)
     process = subprocess.Popen(bash_command.split(), stdout=subprocess.PIPE)
     output = process.communicate()[0]
     # bash_command = "xreader {}.pdf".format(filename)

biscuit/apps/chronos/urls.py

@@ -6,5 +6,6 @@ urlpatterns = [
     path('quick/', views.quicklaunch, name='timetable_quicklaunch'),
     path('<str:plan_type>/<int:plan_id>/', views.plan, name='timetable_plan'),
     path('substitutions/', views.substitutions, name='timetable_substitutions'),
-    path('substitutions/<int:year>/<int:month>/<int:day>/', views.substitutions, name='timetable_substitutions'),
+    path('substitutions/<int:year>/<int:month>/<int:day>/', views.substitutions, name='timetable_substitutions_date'),
+    path('class.pdf', views.sub_pdf, name="timetable_substitutions_pdf")
 ]

biscuit/apps/chronos/views.py

+import datetime
+import os
+
 from django.contrib.auth.decorators import login_required
-from django.http import Http404
+from django.http import Http404, FileResponse
 from django.shortcuts import render
 
 from timetable.pdf import generate_class_tex, generate_pdf
@@ -64,6 +67,28 @@ def plan(request, plan_type, plan_id):
     return render(request, 'timetable/plan.html', context)
 
 
+def get_next_weekday(date):
+    if date.isoweekday() in {6, 7}:
+        date += datetime.timedelta(days=date.isoweekday() % 4)
+    return date
+
+
+@login_required
+def sub_pdf(request):
+    today = timezone.datetime.now()
+    first_day = get_next_weekday(today)
+
+    subs = get_substitutions_by_date(first_day)
+    sub_table = generate_sub_table(subs)
+    tex = generate_class_tex(sub_table, first_day)
+    print(first_day)
+    print(tex)
+
+    generate_pdf(tex, "class")
+    file = open(os.path.join("latex", "class.pdf"), "rb")
+    return FileResponse(file, content_type="application/pdf")
+
+
 @login_required
 def substitutions(request, year=None, day=None, month=None):
     date = timezone.datetime.now()