Estimated costs for collections.
[redakcja.git] / src / catalogue / models.py
index e41ba35..ce7a572 100644 (file)
@@ -1,13 +1,24 @@
+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 .utils import UnrelatedManager
 from .wikidata import WikidataMixin
 
 
 class Author(WikidataMixin, models.Model):
-    slug = models.SlugField(null=True, blank=True, unique=True)
+    slug = models.SlugField(max_length=255, null=True, blank=True, unique=True)
     first_name = models.CharField(max_length=255, blank=True)
     last_name = models.CharField(max_length=255, blank=True)
+
+    name_de = models.CharField(max_length=255, blank=True)
+    name_lt = models.CharField(max_length=255, blank=True)
+
+    gender = models.CharField(max_length=255, blank=True)
+    nationality = models.CharField(max_length=255, blank=True)
     year_of_death = models.SmallIntegerField(null=True, blank=True)
     status = models.PositiveSmallIntegerField(
         null=True,
@@ -22,24 +33,71 @@ class Author(WikidataMixin, models.Model):
     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)
+    description_de = models.TextField(blank=True)
+    description_lt = models.TextField(blank=True)
+
     priority = models.PositiveSmallIntegerField(
         default=0, choices=[(0, _("Low")), (1, _("Medium")), (2, _("High"))]
     )
-    collections = models.ManyToManyField('Collection', blank=True)
+    collections = models.ManyToManyField("Collection", blank=True)
 
     class Meta:
-        ordering = ('last_name', 'first_name', 'year_of_death')
+        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 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(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)
@@ -50,6 +108,9 @@ class Book(WikidataMixin, models.Model):
         related_query_name="translated_book",
         blank=True,
     )
+    epochs = models.ManyToManyField(Epoch, blank=True)
+    kinds = models.ManyToManyField(Kind, blank=True)
+    genres = models.ManyToManyField(Genre, blank=True)
     title = models.CharField(max_length=255, blank=True)
     language = models.CharField(max_length=255, blank=True)
     based_on = models.ForeignKey(
@@ -62,10 +123,19 @@ class Book(WikidataMixin, models.Model):
         default=0, choices=[(0, _("Low")), (1, _("Medium")), (2, _("High"))]
     )
     pd_year = models.IntegerField(null=True, blank=True)
-    collections = models.ManyToManyField('Collection', blank=True)
+    gazeta_link = models.CharField(max_length=255, blank=True)
+    collections = models.ManyToManyField("Collection", blank=True)
+
+    estimated_chars = models.IntegerField(null=True, blank=True)
+    estimated_verses = models.IntegerField(null=True, blank=True)
+    estimate_source = models.CharField(max_length=2048, blank=True)
+
+    objects = UnrelatedManager()
 
     class Meta:
-        ordering = ('title',)
+        ordering = ("title",)
+        verbose_name = _('book')
+        verbose_name_plural = _('books')
 
     class Wikidata:
         authors = WIKIDATA.AUTHOR
@@ -79,22 +149,86 @@ class Book(WikidataMixin, models.Model):
         txt = self.title
         astr = self.authors_str()
         if astr:
-            txt = f'{astr} – {txt}'
+            txt = f"{astr} – {txt}"
         tstr = self.translators_str()
         if tstr:
-            txt = f'{txt} (tłum. {tstr})'
+            txt = f"{txt} (tłum. {tstr})"
         return txt
 
+    def get_absolute_url(self):
+        return reverse("catalogue_book", args=[self.slug])
+    
     def authors_str(self):
-        return ', '.join(str(author) for author in self.authors.all())
+        return ", ".join(str(author) for author in self.authors.all())
 
     def translators_str(self):
-        return ', '.join(str(author) for author in self.translators.all())
+        return ", ".join(str(author) for author in self.translators.all())
+
+    def get_document_books(self):
+        DBook = apps.get_model("documents", "Book")
+        return DBook.objects.filter(dc_slug=self.slug)
+
+    def get_estimated_costs(self):
+        return {
+            work_type: work_type.calculate(self)
+            for work_type in WorkType.objects.all()
+        }
 
 
 class Collection(models.Model):
     name = models.CharField(max_length=255)
     slug = models.SlugField(max_length=255, unique=True)
 
+    class Meta:
+        verbose_name = _('collection')
+        verbose_name_plural = _('collections')
+
     def __str__(self):
         return self.name
+
+
+class WorkType(models.Model):
+    name = models.CharField(max_length=255)
+
+    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(default=1)
+    per_normpage = models.DecimalField(decimal_places=2, max_digits=6, null=True, blank=True)
+    per_verse = models.DecimalField(decimal_places=2, max_digits=6, null=True, blank=True)
+    work_type = models.ForeignKey(WorkType, models.CASCADE)
+    epochs = models.ManyToManyField(Epoch, blank=True)
+    kinds = models.ManyToManyField(Kind, blank=True)
+    genres = models.ManyToManyField(Genre, blank=True)
+    collections = models.ManyToManyField(Collection, blank=True)
+
+    class Meta:
+        ordering = ('priority',)
+
+    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)
+