53 lines
2.3 KiB
Python
53 lines
2.3 KiB
Python
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"""Projekte (docs/projects.md): a project of a preset (Forschung first), its sources and notes.
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End-to-end encrypted like the books: a project's name and settings, and every item's content
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(a note's text, a source's citation data, a remark) are AES-GCM blobs the server can't read.
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What it knows: that a project exists, its preset, and which book, episode or article an item
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points to (kind + ref) — the ids, never their titles."""
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from django.contrib.auth.models import User
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from django.db import models
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class Project(models.Model):
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RESEARCH = 'research'
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PRESETS = [(RESEARCH, 'Forschung')]
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user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='projects')
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preset = models.CharField(max_length=20, choices=PRESETS, default=RESEARCH)
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data_ct = models.TextField() # {name, description, …} encrypted
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data_iv = models.CharField(max_length=32)
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archived = models.BooleanField(default=False)
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position = models.IntegerField(default=0)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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ordering = ['position', '-updated_at']
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class ProjectItem(models.Model):
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"""Something in a project. Sources point at what's elsewhere in diora (a book, an episode,
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an article: ref is its id) or stand alone (a paper known by its citation data: no ref);
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notes are text of their own (no ref)."""
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BOOK = 'book'
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EPISODE = 'episode'
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ARTICLE = 'article'
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PAPER = 'paper'
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NOTE = 'note'
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KINDS = [(BOOK, 'Buch'), (EPISODE, 'Folge'), (ARTICLE, 'Artikel'), (PAPER, 'Paper'), (NOTE, 'Notiz')]
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LINKED = (BOOK, EPISODE, ARTICLE)
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project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name='items')
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kind = models.CharField(max_length=10, choices=KINDS)
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ref = models.BigIntegerField(null=True, blank=True)
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data_ct = models.TextField()
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data_iv = models.CharField(max_length=32)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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ordering = ['created_at']
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constraints = [models.UniqueConstraint(fields=['project', 'kind', 'ref'], name='project_item_once',
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condition=models.Q(ref__isnull=False))]
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indexes = [models.Index(fields=['kind', 'ref'])]
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