from random import randint from django.contrib.auth.models import Group, Permission, User from client.models import UserCode, Keys, DocumentType, Document, PersonalData, KeyVal, MedicalData from django.db.models import Q from django.http import HttpResponseRedirect, FileResponse from django.contrib.auth.decorators import login_required from django.shortcuts import render from django.template.loader import get_template from io import BytesIO import pdfkit import base64 def index(request): context = {} # check if user is logged if (request.user.is_authenticated): # generate code if user has no code users = UserCode.objects.filter(user=request.user) code = None if (len(users) == 0): while (True): code = randint(100000, 999999) if len(UserCode.objects.filter(code=code)) == 0: break medic = MedicalData() medic.save() userCode = UserCode(user=request.user, code=code, medic=medic) userCode.save() # user action if request.method == "POST": # get document id document = Document.objects.get(id=request.POST["action"][1:]) # check if document is valid to modify if document.user != request.user: return if document.status == "ok" or document.status == "archive": return # execute action if request.POST["action"][0] == 'f': # generate approve pdf template = get_template('client/approve_doc_pdf.html') context = {'doc': document} html = template.render(context) pdf = pdfkit.from_string(html, False) # build response filename = document.document_type.name + ".pdf" response = HttpResponse(pdf, content_type='application/pdf') response['Content-Disposition'] = 'attachment; filename="' + filename + '"' return response elif request.POST["action"][0] == 'a': # sign autosign doc if document.status == "autosign": document.status = "ok" document.save() return HttpResponseRedirect("/") elif request.POST["action"][0] == 'd': # delete doc document.delete() return HttpResponseRedirect("/") elif request.POST["action"][0] == 'e': # edit doc generate context and render edit page document_type = document.document_type context = { 'doctype': document_type, } context['doc'] = document context['personal_data'] = document_type.personal_data context['medical_data'] = document_type.medical_data context['custom_data'] = document_type.custom_data keys = Keys.objects.filter(container=document_type) out_keys = [] for i in keys: out_keys.append([i, KeyVal.objects.filter( Q(container=document) & Q(key=i.key))[0].value]) context['keys'] = out_keys context['custom_message'] = document_type.custom_message context['custom_message_text'] = document_type.custom_message_text return edit_wrapper(request, context) # show only docs of the user and non archived documents = Document.objects.filter( Q(user=request.user) & ~Q(status='archive')) out = [] for i in documents: # for every document prepare images in base64 personal = None medical = None vac_file = "" health_file = "" if i.personal_data: personal = i.personal_data if i.medical_data: medical = i.medical_data if medical.vac_certificate.name: with open(medical.vac_certificate.name, 'rb') as image_file: vac_file = base64.b64encode(image_file.read()).decode() if medical.health_care_certificate.name: with open(medical.health_care_certificate.name, 'rb') as image_file: health_file = base64.b64encode( image_file.read()).decode() doc_group = i.user.groups.values_list('name', flat=True)[0] out.append([i, KeyVal.objects.filter(container=i), personal, medical, doc_group, vac_file, health_file]) context = { "docs": out, "empty": len(out) == 0, } return render(request, 'client/index.html', context) @login_required def approve(request): context = {} # if user not approved and has enough data then give instructions how to approve user if not (request.user.is_staff or request.user.has_perm('approved')): usercode = UserCode.objects.filter(user=request.user)[0] okay = False if request.user.first_name != "" and request.user.last_name != "" and request.user.email != "" and usercode.phone != "": okay = True context = {'code': 'U' + str(usercode.code), 'okay': okay} return render(request, 'client/approve.html', context) else: return render(request, 'client/index.html', context) @login_required def create(request): context = {} # group name and obj parent_group = request.user.groups.values_list('name', flat=True)[ 0] group = Group.objects.get(name=parent_group) # get available types for user doctypes = DocumentType.objects.filter( (Q(group_private=False) | Q(group=group)) & Q(enabled=True)) out = [] for doc in doctypes: # check if user has already that document type if len(Document.objects.filter(Q(user=request.user) & Q(document_type=doc))) == 0: out.append(doc) context['docs'] = out if request.method == "POST": if request.POST["action"] == "details": # user has to select a document type if "doctype" not in request.POST.keys(): # if no type selected throw error context['error'] = True context['error_text'] = "Seleziona un documento" else: # gather data to ask to the user context['next'] = True document_type = DocumentType.objects.get( id=request.POST["doctype"]) context['doctype'] = document_type context['personal_data'] = document_type.personal_data context['medical_data'] = document_type.medical_data context['custom_data'] = document_type.custom_data keys = Keys.objects.filter(container=document_type) out_keys = [] for i in keys: out_keys.append([i, ""]) context['keys'] = out_keys context['custom_message'] = document_type.custom_message context['custom_message_text'] = document_type.custom_message_text elif request.POST["action"] == "save": # after type was selected it shows details to complete # get selected type document_type = DocumentType.objects.get( id=request.POST["doctype"]) # get list of docs with that type current_docs = Document.objects.filter(document_type=document_type) if len(current_docs) > 0: # if there is already a document with that type abort (user is cheating) return # set default values usercode = UserCode.objects.filter(user=request.user)[0] code = 0 status = "wait" personal_data = None medical_data = None # set to auto_sign if it is the case if document_type.auto_sign: status = "autosign" keys = [] # copy personal data and medical data if document_type.personal_data: personal_data = PersonalData(email=request.user.email, parent_name=usercode.parent_name, via=usercode.via, cap=usercode.cap, country=usercode.country, nationality=usercode.nationality, born_date=usercode.born_date, home_phone=usercode.home_phone, phone=usercode.phone) personal_data.save() if document_type.medical_data: medic = usercode.medic medical_data = MedicalData(vac_certificate=medic.vac_certificate, health_care_certificate=medic.health_care_certificate, emer_name=medic.emer_name, emer_relative=medic.emer_relative, cell_phone=medic.cell_phone, address=medic.address, emer_phone=medic.emer_phone, health_care=medic.health_care, injuries=medic.injuries, rc=medic.rc, rega=medic.rega, medic_name=medic.medic_name, medic_phone=medic.medic_phone, medic_address=medic.medic_address, sickness=medic.sickness, vaccine=medic.vaccine, tetanus_date=medic.tetanus_date, allergy=medic.allergy, drugs_bool=medic.drugs_bool, drugs=medic.drugs, misc_bool=medic.misc_bool, misc=medic.misc) medical_data.save() # generate document code while (True): code = randint(100000, 999999) if len(Document.objects.filter(code=code)) == 0: break # save document document = Document( user=request.user, group=document_type.group, code=code, status=status, document_type=document_type, personal_data=personal_data, medical_data=medical_data) document.save() # attach custom keys if document_type.custom_data: for i in request.POST.keys(): if i == "doctype" or i == "csrfmiddlewaretoken" or i == "action": continue key = KeyVal(container=document, key=Keys.objects.get( id=i).key, value=request.POST[i]) key.save() return HttpResponseRedirect('/') return render(request, 'client/doc_create.html', context) # helper function to call edit_wrapper with empty context @login_required def edit(request): return edit_wrapper(request, {}) @login_required def edit_wrapper(request, context): if request.method == "POST": if "action" not in request.POST.keys(): # get document document = Document.objects.get(id=request.POST["doc"]) # check if user has permission if document.user != request.user: return # save again all data usercode = UserCode.objects.filter(user=document.user)[0] if document.document_type.personal_data: personal_data = PersonalData(email=request.user.email, parent_name=usercode.parent_name, via=usercode.via, cap=usercode.cap, country=usercode.country, nationality=usercode.nationality, born_date=usercode.born_date, home_phone=usercode.home_phone, phone=usercode.phone) personal_data.save() old_data = document.personal_data document.personal_data = personal_data document.save() old_data.delete() if document.document_type.medical_data: medic = usercode.medic medical_data = MedicalData(vac_certificate=medic.vac_certificate, health_care_certificate=medic.health_care_certificate, emer_name=medic.emer_name, emer_relative=medic.emer_relative, cell_phone=medic.cell_phone, address=medic.address, emer_phone=medic.emer_phone, health_care=medic.health_care, injuries=medic.injuries, rc=medic.rc, rega=medic.rega, medic_name=medic.medic_name, medic_phone=medic.medic_phone, medic_address=medic.medic_address, sickness=medic.sickness, vaccine=medic.vaccine, tetanus_date=medic.tetanus_date, allergy=medic.allergy, drugs_bool=medic.drugs_bool, drugs=medic.drugs, misc_bool=medic.misc_bool, misc=medic.misc) medical_data.save() old_data = document.medical_data document.medical_data = medical_data document.save() old_data.delete() # update again custom keys if document.document_type.custom_data: for i in request.POST.keys(): if i == "doc" or i == "csrfmiddlewaretoken": continue key = KeyVal.objects.filter(Q(container=document) & Q( key=Keys.objects.get(id=i).key))[0] key.value = request.POST[i] key.save() return HttpResponseRedirect('/') return render(request, 'client/doc_edit.html', context) def about(request): # very simple about page, get version from text file version = "" with open("version.txt", 'r') as f: version = f.read() if version.startswith("0"): version = "Beta " + version context = {"version": version} return render(request, 'client/about.html', context)