from django.utils import timezone
from django.db import models
from django.contrib.auth.models import User
from django.contrib.postgres.fields import JSONField
from django.template import Template, Context
from journals.models import SCIPOST_JOURNALS_DOMAINS, SCIPOST_JOURNALS_SPECIALIZATIONS
from scipost.models import Contributor
from scipost.models import SCIPOST_DISCIPLINES
COMMENTARY_TYPES = (
('published', 'published paper'),
('preprint', 'arXiv preprint'),
)
class Commentary(models.Model):
"""
A Commentary contains all the contents of a SciPost Commentary page for a given publication.
"""
requested_by = models.ForeignKey (Contributor, blank=True, null=True, related_name='requested_by')
vetted = models.BooleanField(default=False)
vetted_by = models.ForeignKey (Contributor, blank=True, null=True)
type = models.CharField(max_length=9, choices=COMMENTARY_TYPES) # published paper or arxiv preprint
discipline = models.CharField(max_length=20, choices=SCIPOST_DISCIPLINES, default='physics')
domain = models.CharField(max_length=3, choices=SCIPOST_JOURNALS_DOMAINS)
specialization = models.CharField(max_length=1, choices=SCIPOST_JOURNALS_SPECIALIZATIONS)
open_for_commenting = models.BooleanField(default=True)
pub_title = models.CharField(max_length=300, verbose_name='title')
arxiv_identifier = models.CharField(max_length=100,
verbose_name="arXiv identifier (including version nr)",
blank=True, null=True)
arxiv_link = models.URLField(verbose_name='arXiv link (including version nr)', blank=True)
pub_DOI = models.CharField(max_length=200, verbose_name='DOI of the original publication',
blank=True, null=True)
pub_DOI_link = models.URLField(verbose_name='DOI link to the original publication', blank=True)
metadata = JSONField(default={}, blank=True, null=True)
arxiv_or_DOI_string = models.CharField(
max_length=100,
verbose_name='string form of arxiv nr or DOI for commentary url',
default='')
author_list = models.CharField(max_length=1000)
# Authors which have been mapped to contributors:
authors = models.ManyToManyField (Contributor, blank=True,
related_name='authors_com')
authors_claims = models.ManyToManyField (Contributor, blank=True,
related_name='authors_com_claims')
authors_false_claims = models.ManyToManyField (Contributor, blank=True,
related_name='authors_com_false_claims')
journal = models.CharField(max_length=300, blank=True, null=True)
volume = models.CharField(max_length=50, blank=True, null=True)
pages = models.CharField(max_length=50, blank=True, null=True)
pub_date = models.DateField(verbose_name='date of original publication', blank=True, null=True)
pub_abstract = models.TextField(verbose_name='abstract')
latest_activity = models.DateTimeField(default=timezone.now)
class Meta:
verbose_name_plural = 'Commentaries'
def __str__ (self):
return self.pub_title
def header_as_table(self):
# for display in Commentary page itself
header = ('<table>'
'<tr><td>Title: </td><td> </td><td>{{ pub_title }}</td></tr>'
'<tr><td>Author(s): </td><td> </td><td>{{ author_list }}</td></tr>'
'<tr><td>As Contributors: </td><td> </td>')
if self.authors.all():
header += '<td>'
for auth in self.authors.all():
header += ('<a href="/contributor/' + str(auth.id) + '">' + auth.user.first_name
+ ' ' + auth.user.last_name + '</a>, ')
header += '</td>'
else:
header += '<td>(none claimed)</td>'
header += '</tr>'
if self.type == 'published':
header += ('<tr><td>Journal ref.: </td><td> </td><td>{{ journal }} {{ volume }}, '
'{{ pages }}</td></tr>'
'<tr><td>DOI: </td><td> </td><td><a href="{{ pub_DOI_link }}" '
'target="_blank">{{ pub_DOI_link }}</a></td></tr>')
elif self.type == 'preprint':
header += ('<tr><td>arxiv Link: </td><td> </td><td><a href="{{ arxiv_link }}">'
'{{ arxiv_link }}</a></td></tr>')
if self.pub_date:
header += '<tr><td>Date: </td><td> </td><td>{{ pub_date }}</td></tr>'
header += '</table>'
template = Template(header)
context = Context({
'pub_title': self.pub_title, 'author_list': self.author_list,
})
if self.type == 'published':
context['journal'] = self.journal
context['volume'] = self.volume
context['pages'] = self.pages
context['pub_DOI_link'] = self.pub_DOI_link
context['pub_date'] = self.pub_date
elif self.type == 'preprint':
context['arxiv_link'] = self.arxiv_link
return template.render(context)
def header_as_li (self):
# for display in search lists
context = Context({'scipost_url': self.scipost_url(), 'pub_title': self.pub_title,
'author_list': self.author_list,
'latest_activity': self.latest_activity.strftime('%Y-%m-%d %H:%M')})
header = ('<li><div class="flex-container">'
'<div class="flex-whitebox0"><p><a href="{{ scipost_url }}" '
'class="pubtitleli">{{ pub_title }}</a></p>'
'<p>by {{ author_list }}')
if self.type == 'published':
header += ', {{ journal }} {{ volume }}, {{ pages }}'
context['journal'] = self.journal
context['volume'] = self.volume
context['pages'] = self.pages
elif self.type == 'preprint':
header += ', <a href="{{ arxiv_link }}">{{ arxiv_link }}</a>'
context['arxiv_link'] = self.arxiv_link
header += '</p>'
if self.pub_date:
header += '<p> (published {{ pub_date }}) - '
context['pub_date'] = str(self.pub_date)
header += 'latest activity: {{ latest_activity }}</p></div></div></li>'
template = Template(header)
return template.render(context)
def simple_header_as_li (self):
# for display in Lists
context = Context({'scipost_url': self.scipost_url(), 'pub_title': self.pub_title,
'author_list': self.author_list})
header = ('<li><div class="flex-container">'
'<div class="flex-whitebox0"><p><a href="{{ scipost_url }}" '
'class="pubtitleli">{{ pub_title }}</a></p>'
'<p>by {{ author_list }}')
if self.type == 'published':
header += ', {{ journal }} {{ volume }}, {{ pages }}'
context['journal'] = self.journal
context['volume'] = self.volume
context['pages'] = self.pages
elif self.type == 'preprint':
header += ', <a href="{{ arxiv_link }}">{{ arxiv_link }}</a>'
context['arxiv_link'] = self.arxiv_link
header += '</p>'
header += '</div></div></li>'
template = Template(header)
return template.render(context)
def parse_links_into_urls (self):
""" Takes the arXiv nr or DOI and turns it into the urls """
if self.pub_DOI:
self.arxiv_or_DOI_string = self.pub_DOI
# self.arxiv_or_DOI_string = self.arxiv_or_DOI_string.replace('http://dx.doi.org/', '')
self.pub_DOI_link = 'http://dx.doi.org/' + self.pub_DOI
elif self.arxiv_identifier:
# self.arxiv_or_DOI_string = str(self.arxiv_link)
# # Format required: either identifier arXiv:1234.56789v10 or old-style arXiv:cond-mat/9712001v1
# # strip:
# self.arxiv_or_DOI_string = self.arxiv_or_DOI_string.replace('http://', '')
# # Old style: from arxiv.org/abs/1234.5678 into arXiv:1234.5678 (new identifier style)
# self.arxiv_or_DOI_string = self.arxiv_or_DOI_string.replace('arxiv.org/', '')
# self.arxiv_or_DOI_string = self.arxiv_or_DOI_string.replace('abs/', '')
# self.arxiv_or_DOI_string = self.arxiv_or_DOI_string.replace('pdf/', '')
# # make sure arXiv prefix is there:
# self.arxiv_or_DOI_string = 'arXiv:' + self.arxiv_or_DOI_string
self.arxiv_or_DOI_string = 'arXiv:' + self.arxiv_identifier
self.arxiv_link = 'http://arxiv.org/abs/' + self.arxiv_identifier
else: # should never come here
pass
self.save()
def scipost_url (self):
""" Returns the url of the SciPost Commentary Page """
return '/commentary/' + self.arxiv_or_DOI_string
def scipost_url_full (self):
""" Returns the url of the SciPost Commentary Page """
return 'https://scipost.org/commentary/' + self.arxiv_or_DOI_string