python-gallery/onlylegs/views/image.py

87 lines
2.5 KiB
Python

"""
Onlylegs - Image View
"""
from math import ceil
from flask import Blueprint, render_template, url_for, current_app, request
from onlylegs.models import Post, GroupJunction, Group
from onlylegs.extensions import db
blueprint = Blueprint("image", __name__, url_prefix="/image")
@blueprint.route("/<int:image_id>")
def image(image_id):
"""
Image view, shows the image and its metadata
"""
# Get the image, if it doesn't exist, 404
image = db.get_or_404(Post, image_id, description="Image not found :<")
# Get all groups the image is in
groups = (
GroupJunction.query.with_entities(GroupJunction.group_id)
.filter(GroupJunction.post_id == image_id)
.all()
)
# Get the group data for each group the image is in
image.groups = []
for group in groups:
image.groups.append(
Group.query.with_entities(Group.id, Group.name)
.filter(Group.id == group[0])
.first()
)
# Get the next and previous images
# Check if there is a group ID set
next_url = (
Post.query.with_entities(Post.id)
.filter(Post.id > image_id)
.order_by(Post.id.asc())
.first()
)
prev_url = (
Post.query.with_entities(Post.id)
.filter(Post.id < image_id)
.order_by(Post.id.desc())
.first()
)
# If there is a next or previous image, get the url
if next_url:
next_url = url_for("image.image", image_id=next_url[0])
if prev_url:
prev_url = url_for("image.image", image_id=prev_url[0])
# Yoink all the images in the database
total_images = Post.query.with_entities(Post.id).order_by(Post.id.desc()).all()
limit = current_app.config["UPLOAD_CONF"]["max-load"]
# If the number of items is less than the limit, no point of calculating the page
if len(total_images) <= limit:
return_page = None
else:
# How many pages should there be
for i in range(ceil(len(total_images) / limit)):
# Slice the list of IDs into chunks of the limit
for j in total_images[i * limit : (i + 1) * limit]:
# Is our image in this chunk?
if not image_id > j[-1]:
return_page = i + 1
break
close_tab = True
if request.cookies.get("image-info") == "0":
close_tab = False
return render_template(
"image.html",
image=image,
next_url=next_url,
prev_url=prev_url,
return_page=return_page,
close_tab=close_tab,
)