# cavaliba - sirene - field.py from app_data.models import FIELD_FORMAT_CHOICE from app_home.log import ERROR, log from django.conf import settings # -------------------------------------------------------- # INSTANCE FIELDS # -------------------------------------------------------- def split_composite(data): # Transform a data struct in flat list = [a,b,c,d,] # struct can be any "a,b,c" or [a , [b,c,], d, ...] reply = [] if type(data) is str: result = [x.strip() for x in data.split(',')] reply += result elif type(data) is list: for g in data: reply += split_composite(g) elif type(data) is dict: pass else: result = [data] reply += result return reply class Field: # self.fieldname # self.fieldschema = {...} # self.value = [] # self.errors def __init__(self, fieldname=None, fieldschema=None, alljson=None): # to overload in subclass: # def __init__(self, fieldname, fieldschema, alljson): # super().__init__(fieldname, fieldschema, alljson) # removed 3.15.7 #self.fieldschema = fieldschema self.fieldname = fieldname self.displayname = fieldschema.get("displayname", fieldname) self.dataformat = fieldschema.get("dataformat", "string") self.dataformat_ext = fieldschema.get("dataformat_ext", "") self.cardinal_min = fieldschema.get("cardinal_min", 0) self.cardinal_max = fieldschema.get("cardinal_max", 1) self.is_enabled = fieldschema.get("is_enabled", True) in settings.TRUE_LIST self.value = [] self.default_value = fieldschema.get("default_value", None) self.order = fieldschema.get("order", 100) self.page = fieldschema.get("page", "Data") self.description = fieldschema.get("description", "") # external, schema, enumerate, external_schema, external_enumerate # self.is_injected = False # self.injected_type = "" self.is_injected = fieldschema.get("is_injected", False) self.injected_type = fieldschema.get("injected_type", "") self.errors = [] # default from schema is a "ui string" ; need to convert to a list # self.default_value = [self.default_value] # json value is already a list : either from DB # or from merge_new_post_request POST.getlist() # set value from json if alljson: self.value = alljson.get(fieldname, None) if type(self.value) is not list: self.value = [] # else set value to default_value else: if self.default_value: if type(self.default_value) is list: self.value = self.default_value else: self.value = [self.default_value] # if exists, with mandatory value / none set / default available if self.cardinal_min > 0: if len(self.value) == 0: if self.default_value: if type(self.default_value) is list: self.value = self.default_value else: self.value = [self.default_value] def print(self): try: # value_str = '|'.join(self.value) print(f" Field: {self.fieldname} = {self.value}") except Exception: pass def is_multi(self): return self.cardinal_max != 1 def is_field_true(self): # overload in boolean, else ... return False def get_eav_list(self): ''' OUT: list of string from self.value for DB DataEAV value field ''' try: return [str(i) for i in self.value] except Exception: return ['?'] def get_eav_format(self): return self.dataformat # TODO : split raw/processed field def get_attribute(self): # RAW return of JSON self.value = ["a", "b", ..."] return self.value def get_value(self): return self.value # return first value / process in overload def get_first_value(self): try: return self.value[0] except Exception: return "" def get_cardinal3(self): cardinal = len(self.value) cardinal_min = self.cardinal_min cardinal_max = self.cardinal_max return cardinal, cardinal_min, cardinal_max def get_datapoint_ui_detail(self): datapoint = {} datapoint["fieldname"] = self.fieldname datapoint["displayname"] = self.displayname datapoint["description"] = self.description datapoint["dataformat"] = self.dataformat datapoint["dataformat_ext"] = self.dataformat_ext datapoint["is_multi"] = self.is_multi() datapoint["cardinal_min"] = self.cardinal_min datapoint["cardinal_max"] = self.cardinal_max datapoint["bigset"] = False datapoint["value"] = '' if self.value: if len(self.value) == 1: datapoint["value"] = self.value[0] elif len(self.value) > 1: # TODO : join self.value.display only try: #datapoint["value"] = ', '.join(str(self.value)) datapoint["value"] = ', '.join([str(z) for z in self.value]) #datapoint["value"] = 'XXX' except Exception: pass return datapoint def get_datapoint_ui_edit(self): # default / parent behavior # surcharged in subclass df = self.dataformat if df not in dict(FIELD_FORMAT_CHOICE): log(ERROR, app="data", view="field", action="get_datapoint_ui_edit", status="KO", data=f"unknown dataformat '{df}' for field '{self.fieldname}' - fallback to unknown") df = "unknown" datapoint = {} datapoint["fieldname"] = self.fieldname datapoint["displayname"] = self.displayname datapoint["description"] = self.description datapoint["dataformat"] = df datapoint["dataformat_ext"] = self.dataformat_ext datapoint["is_multi"] = self.is_multi() datapoint["value"] = self.value return datapoint def get_datapoint_for_export(self): if not self.is_multi(): try: return self.value[0] except Exception: # empty return '' return self.value def get_csv_cell(self): if not self.is_multi(): try: return self.value[0] except Exception: # empty return '' else: try: return '^'.join(self.value) except Exception: return '' return self.value # MERGE REQUEST # ------------- def merge_request(self, request): # default data = request.POST.getlist(self.fieldname, default=[]) self.value = [] # default behavior if not data: return if len(data) == 0: return if type(data) is not list: try: if len(data) > 0: self.value = [data] except Exception: return else: for i in data: if len(i) > 0: self.value.append(i) # IMPORT # ------ def merge_import(self, data): # default behavior self.value = split_composite(data) def is_valid(self): # check cardinality cardinal = len(self.value) if cardinal < self.cardinal_min: return False if self.cardinal_max > 0 and cardinal > self.cardinal_max: return False return True