kopia lustrzana https://github.com/OpenDroneMap/WebODM
118 wiersze
4.8 KiB
Python
118 wiersze
4.8 KiB
Python
from __future__ import unicode_literals
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from django.db import models
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from django.db.models import signals
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from django.utils import timezone
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from django.contrib.auth.models import User
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from django.contrib.postgres import fields
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from nodeodm.models import ProcessingNode
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from django.dispatch import receiver
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from guardian.shortcuts import get_perms_for_model, assign_perm
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from guardian.models import UserObjectPermissionBase
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from guardian.models import GroupObjectPermissionBase
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from django.db import transaction
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def assets_directory_path(taskId, projectId, filename):
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# files will be uploaded to MEDIA_ROOT/project_<id>/task_<id>/<filename>
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return 'project_{0}/task_{1}/{2}'.format(taskId, projectId, filename)
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class Project(models.Model):
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owner = models.ForeignKey(User, on_delete=models.PROTECT, help_text="The person who created the project")
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name = models.CharField(max_length=255, help_text="A label used to describe the project")
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description = models.TextField(null=True, blank=True, help_text="More in-depth description of the project")
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created_at = models.DateTimeField(default=timezone.now, help_text="Creation date")
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def __str__(self):
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return self.name
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def tasks(self, pk=None):
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return Task.objects.filter(project=self);
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class Meta:
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permissions = (
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('view_project', 'Can view project'),
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)
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@receiver(signals.post_save, sender=Project, dispatch_uid="project_post_save")
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def project_post_save(sender, instance, created, **kwargs):
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"""
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Automatically assigns all permissions to the owner. If the owner changes
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it's up to the user/developer to remove the previous owner's permissions.
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"""
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for perm in get_perms_for_model(sender).all():
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assign_perm(perm.codename, instance.owner, instance)
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class ProjectUserObjectPermission(UserObjectPermissionBase):
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content_object = models.ForeignKey(Project)
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class ProjectGroupObjectPermission(GroupObjectPermissionBase):
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content_object = models.ForeignKey(Project)
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def gcp_directory_path(task, filename):
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return assets_directory_path(task.id, task.project.id, filename)
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class Task(models.Model):
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STATUS_CODES = (
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(10, 'QUEUED'),
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(20, 'RUNNING'),
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(30, 'FAILED'),
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(40, 'COMPLETED'),
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(50, 'CANCELED')
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)
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uuid = models.CharField(max_length=255, null=True, blank=True, help_text="Identifier of the task (as returned by OpenDroneMap's REST API)")
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project = models.ForeignKey(Project, on_delete=models.CASCADE, help_text="Project that this task belongs to")
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name = models.CharField(max_length=255, null=True, blank=True, help_text="A label for the task")
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processing_time = models.IntegerField(default=-1, help_text="Number of milliseconds that elapsed since the beginning of this task (-1 indicates that no information is available)")
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processing_node = models.ForeignKey(ProcessingNode, null=True, blank=True, help_text="Processing node assigned to this task (or null if this task has not been associated yet)")
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status = models.IntegerField(choices=STATUS_CODES, null=True, blank=True, help_text="Current status of the task")
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options = fields.JSONField(default=dict(), blank=True, help_text="Options that are being used to process this task")
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console_output = models.TextField(null=True, blank=True, help_text="Console output of the OpenDroneMap's process")
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ground_control_points = models.FileField(null=True, blank=True, upload_to=gcp_directory_path, help_text="Optional Ground Control Points file to use for processing")
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# georeferenced_model
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# orthophoto
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# textured_model
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# mission
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created_at = models.DateTimeField(default=timezone.now, help_text="Creation date")
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def __str__(self):
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return 'Task ID: {}'.format(self.id)
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@staticmethod
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def create_from_images(images, project):
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'''
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Create a new task from a set of input images (such as the ones coming from request.FILES).
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This will happen inside a transaction so if one of the images
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fails to load, the task will not be created.
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'''
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with transaction.atomic():
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task = Task.objects.create(project=project)
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for image in images:
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ImageUpload.objects.create(task=task, image=image)
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return task
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# In case of error
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return None
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class Meta:
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permissions = (
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('view_task', 'Can view task'),
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)
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def image_directory_path(imageUpload, filename):
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return assets_directory_path(imageUpload.task.id, imageUpload.task.project.id, filename)
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class ImageUpload(models.Model):
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task = models.ForeignKey(Task, on_delete=models.CASCADE, help_text="Task this image belongs to")
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image = models.ImageField(upload_to=image_directory_path, help_text="File uploaded by a user")
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def __str__(self):
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return self.image.name
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