[英]Get current logged in User and set as default user on Model | Django + Python3
我正在学习Django,并挑战自己创建一个小型Ticket System作为研究案例。
完成了一些事情,但是现在我有一个小问题。
当我保存“ Ticket”时,Django如何获得当前登录用户并在我的Ticket模型中将“ usuario”字段设置为默认值?
这是我的models.py
文件:
from django.contrib.auth.models import User
from django.db import models
from datetime import datetime
class Projeto(models.Model):
"""
Classe que gere os Projetos
Permite que se cadastre N usuários por Projeto
Retorna:
NOME_DO_PROJETO | SITE_DO_PROJETO
"""
nome = models.CharField(max_length=100)
site = models.CharField(max_length=200)
informacoes = models.TextField(blank=True)
usuarios = models.ManyToManyField(User, related_name='projetos')
def __str__(self):
return self.nome + " | " + self.site
class Ticket(models.Model):
"""
Classe que gere os Tickets no sistema.
Retorna:
DATA HORA | TITULO DO CHAMADO
"""
TIPOS_TICKET = (
('BUG', 'Bug'),
('URGENTE', 'Urgente'),
('FINANCEIRO', 'Financeiro'),
('MELHORIA', 'Melhoria')
)
STATUS_TICKET = (
('ABERTO', 'Aberto'),
('AGUARDANDO_CLIENTE', 'Aguardando Cliente'),
('EM_ANALISE', 'Em Análise'),
('FINALIZADO', 'Finalizado'),
('CANCELADO', 'Cancelado'),
)
titulo = models.CharField(max_length=200)
conteudo = models.TextField()
tipo = models.CharField(max_length=30, choices=TIPOS_TICKET, default='BUG')
status = models.CharField(max_length=30, choices=STATUS_TICKET, default='ABERTO')
projeto = models.ForeignKey(
Projeto,
on_delete=models.CASCADE,
limit_choices_to={'usuarios':1}
)
usuario = models.ForeignKey(
User,
on_delete=models.CASCADE,
null=True
)
data_abertura = models.DateTimeField('Data Abertura', auto_now_add=True)
data_fechamento = models.DateTimeField('Data Fechamento', blank=True, null=True)
def __str__(self):
return str(datetime.strftime(self.data_abertura, "%d/%m/%y %H:%M") + " | " + self.titulo)
def save(self, *args, **kwargs):
self.usuario = User
super(Ticket, self).save(*args, **kwargs)
class TicketMsg(models.Model):
"""
Mensagens dos tickets
Retorna:
texto da mensagem
"""
texto = models.TextField()
ticket = models.ForeignKey(Ticket, on_delete=models.CASCADE)
data_resposta = models.DateTimeField('Data Resposta')
def __str__(self):
return str(self.texto)
和我的admin.py
文件:
from django.contrib import admin
from django.contrib.auth.models import User
from .models import Ticket, TicketMsg, Projeto
# Register your models here.
class ProjetoAdmin(admin.ModelAdmin):
model = Projeto
filter_horizontal = ('usuarios',)
class TicketAdmin(admin.ModelAdmin):
model = Ticket
exclude = ('status', 'data_fechamento', 'data_abertura', 'usuario')
list_display = ('titulo', 'tipo', 'status', 'projeto', 'data_abertura')
list_filter = ('projeto', 'tipo', 'status')
def get_ordering(self, request):
return ['data_abertura']
admin.site.register(Projeto, ProjetoAdmin)
admin.site.register(Ticket, TicketAdmin)
admin.site.register(TicketMsg)
这是我从Django Admin获得的故障单列表。
这个想法是使用默认的Django用户系统来识别谁正在尝试打开票证。
我成功地使系统过滤了每个用户可以打开票证的项目,但是现在我不能将输入新票证的当前用户设置为默认值。
这实际上是我的表格。
欢迎所有帮助! 感谢大伙们!
当前登录的用户作为Django Request-Response-Lifecycle的一部分附加在请求对象上。 您无法在模型的方法中访问请求 (就像您想在save()方法中进行的操作一样)。
但是,您可以覆盖管理表单的save_model()方法,该请求可用:
class TicketAdmin(admin.ModelAdmin):
model = Ticket
exclude = ('status', 'data_fechamento', 'data_abertura', 'usuario')
list_display = ('titulo', 'tipo', 'status', 'projeto', 'data_abertura')
list_filter = ('projeto', 'tipo', 'status')
def get_ordering(self, request):
return ['data_abertura']
def save_model(self, request, obj, form, change):
obj.usuario = request.user
super(TicketAdmin, self).save_model(request, obj, form, change)
然后,无需在模型上覆盖save()方法。
有关ModelAdmin的更多信息,请参见官方Django文档: https ://docs.djangoproject.com/en/1.10/ref/contrib/admin/#django.contrib.admin.ModelAdmin.save_model
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.