import datetime from collections import defaultdict from django.db.models import Prefetch from rest_framework import serializers, status from api.models import TtSetting, TtActivityTemplate, TtActivity, TtAcademicTerm, TtWeek from api.models.audit_trail import AuditTrail from api.models.audit_trail_details import AuditTrailDetails from api.views.admin.base import AdminApiBase from api.validator import BaseValidator from api.utils import decrypt_aes_128_cbc, encrypt_aes_128_cbc, generate_kafka_data, log_critical_error, get_exception_detail, \ get_add_new_data, get_ip, bulk_sync_to_redis, time_to_slot, convert_to_redis_week, get_next_available_code from rest_framework.exceptions import ValidationError from api.translation import __ from backend.kafka import send_request from backend.redis_client import redis_client class ActivityCreate(AdminApiBase): def validate_request(self,request): setting_params = { "slot_per_week", } settings = TtSetting.get_multiple_setting(setting_params) slot_per_week = settings["slot_per_week"] rules = { "code": "nullable|not_exists:api.TtActivity,code", "name": "required", "desc": "nullable", "duration": "required", "planned_size": "required", # "activity_type_id": "required|exists:api.TtActivityType,id", "suggested_day": "nullable", "suggested_time": "nullable", "department_id": "nullable|exists:api.TtDepartment,id", "sequence_number": "nullable|integer", "academic_term_id": "required|exists:api.TtAcademicTerm,id", "activity_template_id": "required|exists:api.TtActivityTemplate,id", # "module_id": "required|exists:api.TtModule,id", "zone_id": "nullable|exists:api.TtZone,id", "tag": "nullable|array|exists:api.TtTag,id", "week_pattern_id": "nullable|exists:api.TtWeekPattern,id", "week_pattern": "nullable|array|exists:api.TtWeek,id", "availability_id": "nullable|exists:api.TtAvailability,id", "availability_pattern": "nullable|char_count:" + slot_per_week + "|regex:[01]+", "start_preference_id": "nullable|exists:api.TtStartPreference,id", "start_preference_pattern": "nullable|char_count:" + slot_per_week + "|regex:[1-9]+", "usage_preference_id": "nullable|exists:api.TtUsagePreference,id", "usage_preference_pattern": "nullable|char_count:" + slot_per_week + "|regex:[1-9]+", } # if need rename field, can put here attribute = { # "email": __("attr.email"), } validator = BaseValidator(request.data,rules,attribute) error = validator.validate() if error: raise ValidationError(error) def post(self, request): # Validate input try: setting_params = { "minute_per_slot", } settings = TtSetting.get_multiple_setting(setting_params) minute_per_slot = int(settings["minute_per_slot"]) self.validate_request(request) old_new_data = { "old_data": None, "new_data": None, } academic_term_id = request.data.get("academic_term_id") academic_term = TtAcademicTerm.objects.filter(id=academic_term_id).prefetch_related(Prefetch("week", queryset=TtWeek.objects.order_by("week"))).first() default_availability_pattern = academic_term.default_availability default_start_preference_pattern = academic_term.default_start default_usage_preference_pattern = academic_term.default_usage default_week_pattern = [w.id for w in academic_term.week.all()] # preset the default week_pattern_for_redis first, week_pattern_for_redis = convert_to_redis_week(list([w.week for w in academic_term.week.all()])) action="activity_create" # this is for audit log only activity_template_id = request.data['activity_template_id'] activity_template = ( TtActivityTemplate.objects.filter(id=activity_template_id) .prefetch_related( "staff", "staff_suitability", "location", "location_suitability", ) .first() ) # this 3 pattern if got give id, force pattern to null availability_id = request.data.get("availability_id") availability_pattern = request.data.get("availability_pattern") if availability_id: availability_pattern = None start_preference_id = request.data.get("start_preference_id") start_preference_pattern = request.data.get("start_preference_pattern") if start_preference_id: start_preference_pattern = None usage_preference_id = request.data.get("usage_preference_id") usage_preference_pattern = request.data.get("usage_preference_pattern") if usage_preference_id: usage_preference_pattern = None idata = {} # not insert to activity table ignore_field = ['tag','timestamp','signature'] valid_fields = {f.column for f in TtActivity._meta.fields} for key, val in request.data.items(): if key not in ignore_field: match key: case "availability_pattern" | "start_preference_pattern" | "usage_preference_pattern": # got extra handle the value for these key, so the param same name as the key, so can using this code to handle idata[key] = locals()[key] case _: if key in valid_fields:#for insert, key can check in default part, cause if got special handle, i can check the way to use key also # default the key will same as db column name idata[key] = val # if FE no pass in this 2 value, the loop wont add default pattern, so having this code to handle default pattern if not availability_id and not availability_pattern: idata['availability_pattern'] = default_availability_pattern if not usage_preference_id and not usage_preference_pattern: idata['usage_preference_pattern'] = default_usage_preference_pattern if not start_preference_id and not start_preference_pattern: idata['start_preference_pattern'] = default_start_preference_pattern if request.data.get("duration") != 0: idata['slot_required'] = request.data.get("duration") // minute_per_slot else: idata['slot_required'] = 0 if "suggested_time" in request.data: suggested_time = datetime.datetime.strptime(request.data["suggested_time"], "%H:%M") idata['suggested_time_slot'] = time_to_slot(suggested_time,minute_per_slot) idata["staff_requirement"] = activity_template.staff_requirement idata["staff_requirement_type"] = activity_template.staff_requirement_type idata["location_requirement"] = activity_template.location_requirement idata["location_requirement_type"] = activity_template.location_requirement_type idata['module_id'] = activity_template.module_id idata['activity_type_id'] = activity_template.activity_type_id # if FE no pass in code or is null or empty, will used default code code = request.data.get("code") if not code: idata["code"] = get_next_available_code(TtActivity, "code", "MV", 10) idata['status'] = TtActivity.STATUS_TO_CODE['active'] idata['created_by'] = request.user.id activity = TtActivity.objects.create(**idata) old_new_data['new_data']=get_add_new_data(activity) week_pattern_id = request.data.get("week_pattern_id") week_pattern = request.data.get("week_pattern") if week_pattern_id: week_pattern = None week_pattern_for_redis = [] else : if week_pattern: week_pattern_for_redis = convert_to_redis_week(list(TtWeek.objects.filter(id__in=week_pattern).values_list("week",flat=True))) old_new_data = self.update_m2m_field(activity,'week',None,week_pattern,old_new_data) else: old_new_data = self.update_m2m_field(activity, 'week', None, default_week_pattern, old_new_data) new_ids = request.data.get("tag", []) old_new_data = self.update_m2m_field(activity,'tag',None,new_ids,old_new_data,False,True) staff_preset_ids = [s.id for s in activity_template.staff.all()] if staff_preset_ids: old_new_data = self.update_m2m_field(activity, 'staff_preset', None, staff_preset_ids, old_new_data) staff_suitability_ids = [s.id for s in activity_template.staff_suitability.all()] if staff_suitability_ids: old_new_data = self.update_m2m_field(activity, 'staff_suitability', None, staff_suitability_ids,old_new_data) location_preset_ids = [s.id for s in activity_template.location.all()] if location_preset_ids: old_new_data = self.update_m2m_field(activity, 'location_preset', None, location_preset_ids,old_new_data) location_suitability_ids = [s.id for s in activity_template.location_suitability.all()] if location_suitability_ids: old_new_data = self.update_m2m_field(activity, 'location_suitability',None,location_suitability_ids, old_new_data) redis_activity_table = "activity" # from here make it same name as db first, got different, only do extra handle redis_activity_column = [ "id", "code", "name", "desc", "planned_size", "real_size", "slot_required","activity_type_id", "duration", "suggested_day", "suggested_time_slot","suggested_time","scheduled_start_slot", "department_id","sequence_number", "module_id", "academic_term_id", "activity_template_id", "week_pattern_id", "week_pattern", "availability_id", "availability_pattern","start_preference_id", "start_preference_pattern", "usage_preference_id", "usage_preference_pattern", "student_sets", "staff_requirement_type","staff_required_no", "staff_preset", "staff_suitability_id", "location_requirement_type","location_required_no", "location_preset","location_suitability_id", "is_jta", "jta_parent_id", "is_variant", "variant_parent_id", "status", "scheduled" ] redis_data = { "insert": {} } redis_activity_data = {} for column in redis_activity_column: match column: case "staff_suitability_id": # 2025-12-17 request for redis side store as int(only can have 1 suitability) first # redis_activity_data[column] = list(current_activity_template.staff_suitability.values_list("id",flat=True)) # redis_activity_data[column] = activity.staff_suitability.values_list("id",flat=True).first() or None suitability_list = list(activity.staff_suitability.all()) redis_activity_data[column] = suitability_list[0].id if suitability_list else None case "location_suitability_id": # 2025-12-17 request for redis side store as int(only can have 1 suitability) first # redis_activity_data[column] = list(current_activity_template.location_suitability.values_list("id",flat=True)) # redis_activity_data[column] = activity.location_suitability.values_list("id",flat=True).first() or None suitability_list = list(activity.location_suitability.all()) redis_activity_data[column] = suitability_list[0].id if suitability_list else None case "staff_preset": redis_activity_data[column] = [s.id for s in activity.staff_preset.all()] case "location_preset": redis_activity_data[column] = [l.id for l in activity.location_preset.all()] case "week_pattern": redis_activity_data[column] = week_pattern_for_redis case "student_sets": # when create dun have student set, so can force to empty list redis_activity_data[column] = [] case "staff_required_no": redis_activity_data[column] = activity.staff_requirement case "location_required_no": redis_activity_data[column] = activity.location_requirement case "usage_preference_id" | "availability_id" | "start_preference_id" | "week_pattern_id": # jose request if no id, dun store null, want to store "0" value = getattr(activity, column) redis_activity_data[column] = 0 if value in (None,"") else value case _: redis_activity_data[column] = getattr(activity, column) redis_data["insert"].setdefault(redis_activity_table, []).append(redis_activity_data) bulk_sync_to_redis(redis_client, redis_data) # insert audit trail and details # can insert the parent first, then only insert details audit_trail = AuditTrail.objects.create( user_id=request.user.id, type=self.audit_type, ip_address=get_ip(request) ) remark_param = { "name":activity.name, } # kafka push method = "activity_create" kafka_topic = self.kafka_config['MICROSERVICES_TT_TOPIC'] new_data = old_new_data.get("new_data") kafka_activity = [] if new_data and kafka_topic: relation_fields = [ "staff_preset", "staff_suitability", "location_preset", "location_suitability", "week", "tag", ] kafka_activity = generate_kafka_data(new_data, relation_fields) kafka_request_data = { "session_id": request.user.name, "activity": kafka_activity, } send_request(kafka_topic, kafka_request_data, None ,method) # call to a function for insert details, so in future if want change to used worker, can modify in function only AuditTrailDetails.custom_insert( audit_trail=audit_trail, action=action, remark_param=remark_param, new_data=old_new_data['new_data'], ) response = { } return self.api_response(data=response) except ValidationError as e: first_message = e.detail['error'] errors = e.detail['errors'] return self.api_response(error=first_message,errors=errors,code=status.HTTP_400_BAD_REQUEST) except Exception as e: e_details = get_exception_detail(e) log_critical_error(user_id=None,descr=e_details['descr'],url=e_details['url'],trace=e_details['trace']) return self.api_response(error=__("message.internal_server_error"),code=status.HTTP_500_INTERNAL_SERVER_ERROR)