Hi Everyone!
I am working on a project that is supposed to allow users to transfer files
amongst each other. A transferred file can only be viewed by the user to
whom the file has been transferred or an is_staff account.
*My Model*
class File(models.Model):
TYPES = (
('GENERAL', 'General'),
('PERSONAL', 'Personal'),
)
type = models.CharField(max_length=10, choices=TYPES, default='Personal')
no = models.CharField(max_length=250, unique=True, null=True)
name = models.CharField(max_length=250, unique=True, null=True)
created = models.DateTimeField(auto_now_add=True, null=True)
updated = models.DateTimeField(auto_now=True)
class Meta:
ordering = ('-created',)
def __str__(self):
return f'{self.no}'
def get_absolute_url(self):
return reverse('outgoing_file', args=[self.pk])
class Transfer(models.Model):
STATES = (
('OUTGOING', 'Outgoing'),
('INCOMING', 'Incoming'),
)
file = models.ForeignKey('File', on_delete=models.CASCADE,
related_name='transfers')
state = models.CharField(max_length=10, choices=STATES,
default='Outgoing')
file_from = models.ForeignKey(User, on_delete=models.SET_NULL,
null=True, related_name='transfers_from')
file_to = models.ForeignKey(User, on_delete=models.SET_NULL, null=True,
related_name='transfers_to')
recipient_name = models.CharField(max_length=250)
incoming_date = models.DateTimeField(auto_now=True)
due_date = models.DateTimeField(default=due_date(), null=True)
updated = models.DateTimeField(auto_now=True)
def __str__(self):
return f'{self.file_from} {self.file_to}'
*My Views*
@login_required
def outgoing_file_list(request):
if request.user.is_staff:
files = File.objects.all()
else:
files = File.objects.filter(transfers__file_to_id=request.user.id)
context = {
'files': files,
}
*NOTE:*
When the same file is transferred to a user multiple times, I want the
query to return the newest item only. That to me will make the file
accessible per user. Any recommended approach to achieve this is welcome.
*My Template*
*<tr>*
* <th>#</th>*
* <th>File Type</th>*
* <th>File Number</th>*
* <th>File Name</th>*
* <th>Recipient Name</th>*
* <th>Office Number</th>*
* <th>Transferred To</th>*
* <th>Outgoing Date</th>*
* <th>Due Date</th>*
* <th>Actions</th>*
* </tr>*
* </thead>*
* <tbody>*
* {% for file in files %}*
* <tr>*
* <td>{{ forloop.counter }}</td>*
* <td>{{ file.type }}</td>*
* <td>{{ file.no }}</td>*
* <td>{{ file.name | title }}</td>*
* <td>{{ file.transfers.recipient_name
}}</td>*
* <td>{{ file.transfers.recipient_office
}}</td>*
* <td>{{ file.transfer_to.get_full_name
}}</td>*
* <td>{{ file.outgoing_date.date }}</td>*
* <td>{{ file.due_date | timeuntil }}</td>*
* <td>*
* {% if request.user.is_staff %}*
* <div class="btn-group"
role="group" aria-label="Basic outlined example">*
* <a class="btn
btn-outline-primary btn-sm"*
* href="#"*
* role="button">Receive*
* </a>*
* </div>*
* {% endif %}*
* <div class="btn-group" role="group"
aria-label="Basic outlined example">*
* <a class="btn btn-outline-primary
btn-sm"*
* href="#"*
* role="button">Transfer*
* </a>*
* </div>*
* </td>*
* </tr>*
* {% endfor %}*
*NOTE: All related fields in the table do not show ie.*
*file.transfers.recipient_name*
*file.transfers.recipient_office*
*file.transfer_to.get_full_name*
*and the remaining.*
Thanks.
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