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add filesize field with human readable property, rename all size fields to resolution, private __thumbs_path var for ease of use

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Xevion
2020-11-03 18:37:17 -06:00
parent f00dadf4ca
commit 6046783174
1 changed files with 21 additions and 8 deletions
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29
viewer/models.py
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@@ -4,6 +4,7 @@ import uuid
from datetime import datetime from datetime import datetime
from typing import Tuple from typing import Tuple
import humanize
import jsonfield import jsonfield
from django.db import models from django.db import models
from django.urls import reverse from django.urls import reverse
@@ -72,7 +73,7 @@ class ServedDirectory(models.Model):
return self.path return self.path
class ImageDimensions(models.Model): class ImageResolution(models.Model):
""" """
A simple model for storing the dimensions of a specific image. A tuple, in essence. A simple model for storing the dimensions of a specific image. A tuple, in essence.
""" """
@@ -103,8 +104,9 @@ class File(models.Model):
fileLastModified = models.DateTimeField() fileLastModified = models.DateTimeField()
lastRefreshed = models.DateTimeField() lastRefreshed = models.DateTimeField()
size = models.OneToOneField(ImageDimensions, on_delete=models.CASCADE) size = models.PositiveIntegerField()
thumbnailSize = models.OneToOneField(ImageDimensions, on_delete=models.CASCADE) resolution = models.OneToOneField(ImageResolution, on_delete=models.CASCADE)
thumbnailResolution = models.OneToOneField(ImageResolution, on_delete=models.CASCADE)
@classmethod @classmethod
def create(cls, full_path: str, parent: ServedDirectory) -> 'File': def create(cls, full_path: str, parent: ServedDirectory) -> 'File':
@@ -134,8 +136,9 @@ class File(models.Model):
self.generate_thumbnail() self.generate_thumbnail()
if updated: if updated:
self.size.set(helpers.get_resolution()) self.resolution.set(helpers.get_resolution(self.path))
self.thumbnailSize.set(helpers.get_resolution()) self.thumbnailResolution.set(helpers.get_resolution(self.__thumbs_path))
self.size = os.path.getsize(self.path)
self.save() self.save()
@@ -147,13 +150,17 @@ class File(models.Model):
"""Delete the thumbnail for this File if it exists and forget the filename.""" """Delete the thumbnail for this File if it exists and forget the filename."""
if self.thumbnail: if self.thumbnail:
try: try:
os.remove(os.path.join(self.thumbs_dir, self.thumbnail)) os.remove(self.__thumbs_path)
except FileNotFoundError: except FileNotFoundError:
pass pass
finally: finally:
self.thumbnail = None self.thumbnail = None
self.save() self.save()
@property
def human_size(self) -> str:
"""returns a human readable interpretation of the size of this file"""
return humanize.naturalsize(self.size)
@property @property
def thumbnail_static_path(self): def thumbnail_static_path(self):
@@ -161,10 +168,16 @@ class File(models.Model):
return f'/thumbnails/{self.thumbnail}' return f'/thumbnails/{self.thumbnail}'
@property @property
def thumbs_dir(self): def __thumbs_dir(self) -> str:
"""A string path to the directory containing thumbnails.""" """A string path to the directory containing thumbnails."""
return os.path.join(os.path.dirname(os.path.abspath(__file__)), 'static', 'thumbnails') return os.path.join(os.path.dirname(os.path.abspath(__file__)), 'static', 'thumbnails')
@property
def __thumbs_path(self) -> str:
"""A string path to the thumbnail file."""
if self.thumbnail:
return os.path.join(self.__thumbs_dir, self.thumbnail)
def generate_thumbnail(self, regenerate=False) -> None: def generate_thumbnail(self, regenerate=False) -> None:
""" """
Generates a new thumbnail for a given image or video file. Generates a new thumbnail for a given image or video file.
@@ -187,7 +200,7 @@ class File(models.Model):
# Generate thumbnail # Generate thumbnail
try: try:
helpers.generate_thumbnail(self.path, os.path.join(self.thumbs_dir, self.thumbnail)) helpers.generate_thumbnail(self.path, self.__thumbs_path)
except Exception: except Exception:
print(f'Could not thumbnail: {self.filename}') print(f'Could not thumbnail: {self.filename}')
self.delete_thumbnail() self.delete_thumbnail()