Update for Django 4.
[redakcja.git] / src / catalogue / models.py
index 530483c..b0d3697 100644 (file)
@@ -1,15 +1,27 @@
+from collections import Counter
+import decimal
+from django.apps import apps
 from django.db import models
+from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
+from wikidata.client import Client
 from .constants import WIKIDATA
 from .wikidata import WikidataMixin
 
 
 class Author(WikidataMixin, models.Model):
-    slug = models.SlugField(null=True, blank=True, unique=True)
-    first_name = models.CharField(max_length=255, blank=True)
-    last_name = models.CharField(max_length=255, blank=True)
-    year_of_death = models.SmallIntegerField(null=True, blank=True)
+    slug = models.SlugField(max_length=255, null=True, blank=True, unique=True)
+    first_name = models.CharField(_("first name"), max_length=255, blank=True)
+    last_name = models.CharField(_("last name"), max_length=255, blank=True)
+
+    name_de = models.CharField(_("name (de)"), max_length=255, blank=True)
+    name_lt = models.CharField(_("name (lt)"), max_length=255, blank=True)
+
+    gender = models.CharField(_("gender"), max_length=255, blank=True)
+    nationality = models.CharField(_("nationality"), max_length=255, blank=True)
+    year_of_death = models.SmallIntegerField(_("year of death"), null=True, blank=True)
     status = models.PositiveSmallIntegerField(
+        _("status"), 
         null=True,
         blank=True,
         choices=[
@@ -19,45 +31,118 @@ class Author(WikidataMixin, models.Model):
             (4, _("Unknown")),
         ],
     )
-    notes = models.TextField(blank=True)
-    gazeta_link = models.CharField(max_length=255, blank=True)
-    culturepl_link = models.CharField(max_length=255, blank=True)
-    description = models.TextField(blank=True)
+    notes = models.TextField(_("notes"), blank=True)
+    gazeta_link = models.CharField(_("gazeta link"), max_length=255, blank=True)
+    culturepl_link = models.CharField(_("culture.pl link"), max_length=255, blank=True)
+
+    description = models.TextField(_("description"), blank=True)
+    description_de = models.TextField(_("description (de)"), blank=True)
+    description_lt = models.TextField(_("description (lt)"), blank=True)
+
     priority = models.PositiveSmallIntegerField(
+        _("priority"), 
         default=0, choices=[(0, _("Low")), (1, _("Medium")), (2, _("High"))]
     )
+    collections = models.ManyToManyField("Collection", blank=True, verbose_name=_("collections"))
+
+    class Meta:
+        verbose_name = _('author')
+        verbose_name_plural = _('authors')
+        ordering = ("last_name", "first_name", "year_of_death")
 
     class Wikidata:
         first_name = WIKIDATA.GIVEN_NAME
         last_name = WIKIDATA.LAST_NAME
         year_of_death = WIKIDATA.DATE_OF_DEATH
+        gender = WIKIDATA.GENDER
         notes = "description"
 
     def __str__(self):
         return f"{self.first_name} {self.last_name}"
 
+    def get_absolute_url(self):
+        return reverse("catalogue_author", args=[self.slug])
+
+    @property
+    def name(self):
+        return f"{self.last_name}, {self.first_name}"
+    
+    @property
+    def pd_year(self):
+        if self.year_of_death:
+            return self.year_of_death + 71
+        elif self.year_of_death == 0:
+            return 0
+        else:
+            return None
+
+
+class Category(WikidataMixin, models.Model):
+    name = models.CharField(_("name"), max_length=255)
+    slug = models.SlugField(max_length=255, unique=True)
+
+    class Meta:
+        abstract = True
+
+    def __str__(self):
+        return self.name
+
+class Epoch(Category):
+    class Meta:
+        verbose_name = _('epoch')
+        verbose_name_plural = _('epochs')
+
+
+class Genre(Category):
+    class Meta:
+        verbose_name = _('genre')
+        verbose_name_plural = _('genres')
+
+
+class Kind(Category):
+    class Meta:
+        verbose_name = _('kind')
+        verbose_name_plural = _('kinds')
+
 
 class Book(WikidataMixin, models.Model):
     slug = models.SlugField(max_length=255, blank=True, null=True, unique=True)
-    authors = models.ManyToManyField(Author, blank=True)
+    authors = models.ManyToManyField(Author, blank=True, verbose_name=_("authors"))
     translators = models.ManyToManyField(
         Author,
         related_name="translated_book_set",
         related_query_name="translated_book",
         blank=True,
+        verbose_name=_("translators")
     )
-    title = models.CharField(max_length=255, blank=True)
-    language = models.CharField(max_length=3, blank=True)
+    epochs = models.ManyToManyField(Epoch, blank=True, verbose_name=_("epochs"))
+    kinds = models.ManyToManyField(Kind, blank=True, verbose_name=_("kinds"))
+    genres = models.ManyToManyField(Genre, blank=True, verbose_name=_("genres"))
+    title = models.CharField(_("title"), max_length=255, blank=True)
+    language = models.CharField(_("language"), max_length=255, blank=True)
     based_on = models.ForeignKey(
-        "self", models.PROTECT, related_name="translation", null=True, blank=True
+        "self", models.PROTECT, related_name="translation", null=True, blank=True,
+        verbose_name=_("based on")
     )
-    scans_source = models.CharField(max_length=255, blank=True)
-    text_source = models.CharField(max_length=255, blank=True)
-    notes = models.TextField(blank=True)
+    scans_source = models.CharField(_("scans source"), max_length=255, blank=True)
+    text_source = models.CharField(_("text source"), max_length=255, blank=True)
+    notes = models.TextField(_("notes"), blank=True)
     priority = models.PositiveSmallIntegerField(
+        _("priority"),
         default=0, choices=[(0, _("Low")), (1, _("Medium")), (2, _("High"))]
     )
-    pd_year = models.IntegerField(null=True, blank=True)
+    pd_year = models.IntegerField(_('year of entry into PD'), null=True, blank=True)
+    gazeta_link = models.CharField(_("gazeta link"), max_length=255, blank=True)
+    collections = models.ManyToManyField("Collection", blank=True, verbose_name=_("collections"))
+
+    estimated_chars = models.IntegerField(_("estimated number of characters"), null=True, blank=True)
+    estimated_verses = models.IntegerField(_("estimated number of verses"), null=True, blank=True)
+    estimate_source = models.CharField(_("source of estimates"), max_length=2048, blank=True)
+
+    class Meta:
+        ordering = ("title",)
+        verbose_name = _('book')
+        verbose_name_plural = _('books')
 
     class Wikidata:
         authors = WIKIDATA.AUTHOR
@@ -68,4 +153,138 @@ class Book(WikidataMixin, models.Model):
         notes = "description"
 
     def __str__(self):
-        return self.title
+        txt = self.title
+        astr = self.authors_str()
+        if astr:
+            txt = f"{astr} – {txt}"
+        tstr = self.translators_str()
+        if tstr:
+            txt = f"{txt} (tłum. {tstr})"
+        return txt
+
+    def get_absolute_url(self):
+        return reverse("catalogue_book", args=[self.slug])
+
+    @property
+    def wluri(self):
+        return f'https://wolnelektury.pl/katalog/lektura/{self.slug}/'
+    
+    def authors_str(self):
+        return ", ".join(str(author) for author in self.authors.all())
+    authors_str.admin_order_field = 'authors__last_name'
+    authors_str.short_description = _('Author')
+
+    def translators_str(self):
+        return ", ".join(str(author) for author in self.translators.all())
+    translators_str.admin_order_field = 'translators__last_name'
+    translators_str.short_description = _('Translator')
+
+    def get_estimated_costs(self):
+        return {
+            work_type: work_type.calculate(self)
+            for work_type in WorkType.objects.all()
+        }
+
+
+class CollectionCategory(models.Model):
+    name = models.CharField(_("name"), max_length=255)
+    parent = models.ForeignKey('self', models.SET_NULL, related_name='children', null=True, blank=True, verbose_name=_("parent"))
+    notes = models.TextField(_("notes"), blank=True)
+
+    class Meta:
+        ordering = ('parent__name', 'name')
+        verbose_name = _('collection category')
+        verbose_name_plural = _('collection categories')
+
+    def __str__(self):
+        if self.parent:
+            return f"{self.parent} / {self.name}"
+        else:
+            return self.name
+
+
+class Collection(models.Model):
+    name = models.CharField(_("name"), max_length=255)
+    slug = models.SlugField(max_length=255, unique=True)
+    category = models.ForeignKey(CollectionCategory, models.SET_NULL, null=True, blank=True, verbose_name=_("category"))
+    notes = models.TextField(_("notes"), blank=True)
+
+    class Meta:
+        ordering = ('category', 'name')
+        verbose_name = _('collection')
+        verbose_name_plural = _('collections')
+
+    def __str__(self):
+        if self.category:
+            return f"{self.category} / {self.name}"
+        else:
+            return self.name
+
+    def get_estimated_costs(self):
+        costs = Counter()
+        for book in self.book_set.all():
+            for k, v in book.get_estimated_costs().items():
+                costs[k] += v or 0
+
+        for author in self.author_set.all():
+            for book in author.book_set.all():
+                for k, v in book.get_estimated_costs().items():
+                    costs[k] += v or 0
+            for book in author.translated_book_set.all():
+                for k, v in book.get_estimated_costs().items():
+                    costs[k] += v or 0
+        return costs
+
+
+class WorkType(models.Model):
+    name = models.CharField(_("name"), max_length=255)
+
+    class Meta:
+        ordering = ('name',)
+        verbose_name = _('work type')
+        verbose_name_plural = _('work types')
+    
+    def get_rate_for(self, book):
+        for workrate in self.workrate_set.all():
+            if workrate.matches(book):
+                return workrate
+
+    def calculate(self, book):
+        workrate = self.get_rate_for(book)
+        if workrate is not None:
+            return workrate.calculate(book)
+        
+
+
+class WorkRate(models.Model):
+    priority = models.IntegerField(_("priority"), default=1)
+    per_normpage = models.DecimalField(_("per normalized page"), decimal_places=2, max_digits=6, null=True, blank=True)
+    per_verse = models.DecimalField(_("per verse"), decimal_places=2, max_digits=6, null=True, blank=True)
+    work_type = models.ForeignKey(WorkType, models.CASCADE, verbose_name=_("work type"))
+    epochs = models.ManyToManyField(Epoch, blank=True, verbose_name=_("epochs"))
+    kinds = models.ManyToManyField(Kind, blank=True, verbose_name=_("kinds"))
+    genres = models.ManyToManyField(Genre, blank=True, verbose_name=_("genres"))
+    collections = models.ManyToManyField(Collection, blank=True, verbose_name=_("collections"))
+
+    class Meta:
+        ordering = ('priority',)
+        verbose_name = _('work rate')
+        verbose_name_plural = _('work rates')
+
+    def matches(self, book):
+        for category in 'epochs', 'kinds', 'genres', 'collections':
+            oneof = getattr(self, category).all()
+            if oneof:
+                if not set(oneof).intersection(
+                        getattr(book, category).all()):
+                    return False
+        return True
+
+    def calculate(self, book):
+        if self.per_verse:
+            if book.estimated_verses:
+                return book.estimated_verses * self.per_verse
+        elif self.per_normpage:
+            if book.estimated_chars:
+                return (decimal.Decimal(book.estimated_chars) / 1800 * self.per_normpage).quantize(decimal.Decimal('1.00'), rounding=decimal.ROUND_HALF_UP)
+