from collections import defaultdict from rest_framework import serializers, status from api.models import TtUsagePreference, TtTimeBlock, 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, \ get_start_and_end_slot from rest_framework.exceptions import ValidationError from api.translation import __ from backend.kafka import send_request from backend.redis_client import redis_client class TimeBlockUpdate(AdminApiBase): def validate_request(self,request,slot_per_week): rules = { "id": "required|array|exists:api.TtTimeBlock,id", } # if need rename field, can put here attribute = { # "email": __("attr.email"), } # validate id first, cause need get time_block by id, if wrong id direct return error validator = BaseValidator(request.data,rules,attribute) error = validator.validate() if error: raise ValidationError(error) edit_time_block = ( TtTimeBlock.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")) ) # FE will request by pattern, so can reduce the changes from FE, and BE will convert this pattern become start_slot and end_slot rules = { "name": "nullable", "desc": "nullable", "department_id": "nullable|exists:api.TtDepartment,id", "pattern": "nullable|char_count:" + slot_per_week + "|regex:[01]+", "tag": "nullable|array|exists:api.TtTag,id", } if request.data.get("code") and edit_time_block.count() == 1: time_block = edit_time_block.first() if request.data.get("code") != time_block.code: rules['code'] = "nullable|not_exists:api.TtTimeBlock,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_time_block def post(self, request): # Validate input try: setting_params = { "slot_per_week", } settings = TtSetting.get_multiple_setting(setting_params) slot_per_week = settings["slot_per_week"] edit_time_block = self.validate_request(request,slot_per_week) action="time_block_update" # this is for audit log only updated = False update_fields = {} ignore_fields = ['id','tag','timestamp','signature'] # if more than 1 time_block edit, ignore code if edit_time_block.count() > 1 or not request.data.get("code"): ignore_fields.append('code') valid_fields = {f.column for f in TtTimeBlock._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 if request.data.get("pattern"): updated = True start_slot, end_slot = get_start_and_end_slot(request.data.get("pattern")) update_fields["start_slot"] = start_slot update_fields["end_slot"] = end_slot # 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_time_block,update_fields.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_time_block.update(**update_fields) if "tag" in request.data: new_ids = request.data.get("tag", []) old_new_data = self.update_m2m_field_bulk(edit_time_block,'tag',new_ids,old_new_data,False,True) redis_data = { "update": {} } redis_time_block_table = "time_block" redis_time_block_data = {} # wont update self sub_time_block_id redis_time_block_column = [ "name","start_slot","end_slot", "department_id" ] # if only 1 time_block, can edit code if edit_time_block.count() == 1: redis_time_block_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 time_block_id, will return in time_block, so cant use it if old_new_data['new_data']: for edit_id in request.data.get("id"): # every new time_block reset the redis_time_block_data and append to redis_data['update'] redis_time_block_data = {"id": edit_id} for key, val in request.data.items(): if key in redis_time_block_column: redis_time_block_data[key] = val elif key == "pattern" and request.data.get("pattern"): redis_time_block_data["start_slot"] = start_slot redis_time_block_data["end_slot"] = end_slot if len(redis_time_block_data)>1:# > 1 means not only id redis_data["update"].setdefault(redis_time_block_table, []).append(redis_time_block_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_time_block = [] # method = "time_block_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_time_block: # data = {"id": start_pref.id, **update_fields, **relation_data} # kafka_time_block.append(data) # kafka_request_data = { # "session_id": request.user.name, # "time_block": kafka_time_block, # } # 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_time_block.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)