from collections import defaultdict from rest_framework import serializers, status from api.models import TtUsagePreference, TtStartPreference, TtSetting from api.models.audit_trail import AuditTrail from api.models.audit_trail_details import AuditTrailDetails from api.models.tt_location import TtLocation 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_update, log_critical_error, get_exception_detail, \ get_add_new_data, get_ip, get_old_new_data, bulk_sync_to_redis, get_multiple_old_new_data, search_old_new_data from rest_framework.exceptions import ValidationError from api.translation import __ from backend.kafka import send_request from backend.redis_client import redis_client class StartPreferenceUpdate(AdminApiBase): def validate_request(self,request): rules = { "id": "required|array|exists:api.TtStartPreference,id", } # if need rename field, can put here attribute = { # "email": __("attr.email"), } # validate id first, cause need get start_preference by id, if wrong id direct return error validator = BaseValidator(request.data,rules,attribute) error = validator.validate() if error: raise ValidationError(error) edit_start_preference = ( TtStartPreference.objects .select_related("department") .prefetch_related( "tag__tag" # tags means the relation add in models, __tag means the relation table tag_id get the tag object #2 ) .filter(id__in=request.data.get("id")) ) setting_params = { "slot_per_week", } settings = TtSetting.get_multiple_setting(setting_params) slot_per_week = settings["slot_per_week"] rules = { "name": "nullable", "desc": "nullable", "pattern": "nullable|char_count:" + slot_per_week + "|regex:[1-9]+", "department_id": "nullable|exists:api.TtDepartment,id", # "academic_term_id": "nullable|exists:api.TtAcademicTerm,id", "tag": "nullable|array|exists:api.TtTag,id", } if request.data.get("code") and edit_start_preference.count() == 1: start_preference = edit_start_preference.first() if request.data.get("code") != start_preference.code: rules['code'] = "nullable|not_exists:api.TtStartPreference,code" # if need rename field, can put here attribute = { # "email": __("attr.email"), } validator = BaseValidator(request.data,rules,attribute) error = validator.validate() # custom error after basic validation if error: raise ValidationError(error) return edit_start_preference def post(self, request): # Validate input try: edit_start_preference = self.validate_request(request) action="start_preference_update" # this is for audit log only updated = False update_fields = {} ignore_fields = ['id','tag','timestamp','signature'] # if more than 1 start_preference edit, ignore code if edit_start_preference.count() > 1 or not request.data.get("code"): ignore_fields.append('code') valid_fields = {f.column for f in TtStartPreference._meta.fields} for key, val in request.data.items(): if key not in ignore_fields and key in valid_fields: updated = True match key: case _: # default the key will same as db column name update_fields[key] = val # be4 save need get the old new data already, because bulk update is no matter got change or no changes also will update old_new_data = get_multiple_old_new_data(edit_start_preference,request.data.items(),ignore_fields,valid_fields) if update_fields: # 2026-04-27, ignore updated param, it is useless, this code is replace by "replace in file", so didnt remove param updated update_fields['updated_by'] = request.user.id edit_start_preference.update(**update_fields) if "tag" in request.data: new_ids = request.data.get("tag", []) old_new_data = self.update_m2m_field_bulk(edit_start_preference,'tag',new_ids,old_new_data,False,True) redis_data = { "update": {} } redis_start_preference_table = "start_preference" redis_start_preference_data = {} # wont update self sub_start_preference_id redis_start_preference_column = [ "name","pattern","department_id" ] # if only 1 start_preference, can edit code if edit_start_preference.count() == 1: redis_start_preference_column.append('code') # got new data only means got update, then will for loop request.data, cause the old_new_data['new_data'] for foreign key name, like start_preference_id, will return in start_preference, so cant use it if old_new_data['new_data']: for edit_id in request.data.get("id"): # every new start_preference reset the redis_start_preference_data and append to redis_data['update'] redis_start_preference_data = {"id": edit_id} for key, val in request.data.items(): if key in redis_start_preference_column: redis_start_preference_data[key] = val if len(redis_start_preference_data)>1:# > 1 means not only id redis_data["update"].setdefault(redis_start_preference_table, []).append(redis_start_preference_data) bulk_sync_to_redis(redis_client,redis_data) if old_new_data['old_data'] or old_new_data['new_data']: #kafka update/ split by id kafka_start_preference = [] method = "start_preference_update" kafka_topic = self.kafka_config['MICROSERVICES_TT_TOPIC'] if kafka_topic: new_data = old_new_data.get("new_data") relation_fields = ["tag"] relation_data = generate_kafka_data_update(new_data, relation_fields) update_fields.pop("updated_by", None) for start_pref in edit_start_preference: data = {"id": start_pref.id, **update_fields, **relation_data} kafka_start_preference.append(data) kafka_request_data = { "session_id": request.user.name, "start_preference": kafka_start_preference, } send_request(kafka_topic, kafka_request_data, None, method) # 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) ) name = ",".join(edit_start_preference.values_list("name", flat=True)) remark_param = { "name":name } # 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'], old_data=old_new_data['old_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)