Add work rates.

diff --git a/src/catalogue/admin.py b/src/catalogue/admin.py
index 90759b0..3534521 100644 (file)
--- a/src/catalogue/admin.py
+++ b/src/catalogue/admin.py
@@ -43,7 +43,7 @@ class BookAdmin(WikidataAdminMixin, admin.ModelAdmin):
     autocomplete_fields = ["authors", "translators", "based_on", "collections", "epochs", "genres", "kinds"]
     prepopulated_fields = {"slug": ("title",)}
     list_filter = ["language", "pd_year", "collections"]
-    readonly_fields = ["wikidata_link"]
+    readonly_fields = ["wikidata_link", "estimated_costs"]
     actions = [export_as_csv_action()]
     fieldsets = [
         (None, {"fields": [("wikidata", "wikidata_link")]}),
@@ -80,6 +80,8 @@ class BookAdmin(WikidataAdminMixin, admin.ModelAdmin):
                     "priority",
                     "collections",
                     "notes",
+                    ("estimated_chars", "estimated_verses", "estimate_source"),
+                    "estimated_costs",
                 ]
             },
         ),
@@ -122,3 +124,16 @@ class CategoryAdmin(admin.ModelAdmin):
 admin.site.register(models.Epoch, CategoryAdmin)
 admin.site.register(models.Genre, CategoryAdmin)
 admin.site.register(models.Kind, CategoryAdmin)
+
+
+
+class WorkRateInline(admin.TabularInline):
+    model = models.WorkRate
+    autocomplete_fields = ['kinds', 'genres', 'epochs', 'collections']
+
+
+class WorkTypeAdmin(admin.ModelAdmin):
+    inlines = [WorkRateInline]
+
+admin.site.register(models.WorkType, WorkTypeAdmin)
+

diff --git a/src/catalogue/migrations/0023_workrate_worktype.py b/src/catalogue/migrations/0023_workrate_worktype.py
new file mode 100644 (file)
index 0000000..8855696
--- /dev/null
+++ b/src/catalogue/migrations/0023_workrate_worktype.py
@@ -0,0 +1,36 @@
+# Generated by Django 3.0.4 on 2020-10-27 14:37
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalogue', '0022_auto_20201027_1424'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='WorkType',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='WorkRate',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('priority', models.IntegerField(default=1)),
+                ('collections', models.ManyToManyField(to='catalogue.Collection')),
+                ('epochs', models.ManyToManyField(to='catalogue.Epoch')),
+                ('genres', models.ManyToManyField(to='catalogue.Genre')),
+                ('kinds', models.ManyToManyField(to='catalogue.Kind')),
+                ('work_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='catalogue.WorkType')),
+            ],
+            options={
+                'ordering': ('priority',),
+            },
+        ),
+    ]

diff --git a/src/catalogue/migrations/0024_workrate_rate.py b/src/catalogue/migrations/0024_workrate_rate.py
new file mode 100644 (file)
index 0000000..7c1fd82
--- /dev/null
+++ b/src/catalogue/migrations/0024_workrate_rate.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.0.4 on 2020-10-27 14:40
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalogue', '0023_workrate_worktype'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='workrate',
+            name='rate',
+            field=models.DecimalField(decimal_places=2, default=0, max_digits=6),
+            preserve_default=False,
+        ),
+    ]

diff --git a/src/catalogue/migrations/0025_auto_20201027_1450.py b/src/catalogue/migrations/0025_auto_20201027_1450.py
new file mode 100644 (file)
index 0000000..d9ce087
--- /dev/null
+++ b/src/catalogue/migrations/0025_auto_20201027_1450.py
@@ -0,0 +1,28 @@
+# Generated by Django 3.0.4 on 2020-10-27 14:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalogue', '0024_workrate_rate'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='book',
+            name='estimate_source',
+            field=models.CharField(blank=True, max_length=2048),
+        ),
+        migrations.AddField(
+            model_name='book',
+            name='estimated_chars',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='book',
+            name='estimated_verses',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+    ]

diff --git a/src/catalogue/migrations/0026_auto_20201027_1459.py b/src/catalogue/migrations/0026_auto_20201027_1459.py
new file mode 100644 (file)
index 0000000..28a375c
--- /dev/null
+++ b/src/catalogue/migrations/0026_auto_20201027_1459.py
@@ -0,0 +1,24 @@
+# Generated by Django 3.0.4 on 2020-10-27 14:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalogue', '0025_auto_20201027_1450'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='workrate',
+            old_name='rate',
+            new_name='per_normpage',
+        ),
+        migrations.AddField(
+            model_name='workrate',
+            name='per_verse',
+            field=models.DecimalField(decimal_places=2, default=0, max_digits=6),
+            preserve_default=False,
+        ),
+    ]

diff --git a/src/catalogue/migrations/0027_auto_20201027_1501.py b/src/catalogue/migrations/0027_auto_20201027_1501.py
new file mode 100644 (file)
index 0000000..c5c8ca8
--- /dev/null
+++ b/src/catalogue/migrations/0027_auto_20201027_1501.py
@@ -0,0 +1,43 @@
+# Generated by Django 3.0.4 on 2020-10-27 15:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalogue', '0026_auto_20201027_1459'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='workrate',
+            name='collections',
+            field=models.ManyToManyField(blank=True, to='catalogue.Collection'),
+        ),
+        migrations.AlterField(
+            model_name='workrate',
+            name='epochs',
+            field=models.ManyToManyField(blank=True, to='catalogue.Epoch'),
+        ),
+        migrations.AlterField(
+            model_name='workrate',
+            name='genres',
+            field=models.ManyToManyField(blank=True, to='catalogue.Genre'),
+        ),
+        migrations.AlterField(
+            model_name='workrate',
+            name='kinds',
+            field=models.ManyToManyField(blank=True, to='catalogue.Kind'),
+        ),
+        migrations.AlterField(
+            model_name='workrate',
+            name='per_normpage',
+            field=models.DecimalField(blank=True, decimal_places=2, max_digits=6, null=True),
+        ),
+        migrations.AlterField(
+            model_name='workrate',
+            name='per_verse',
+            field=models.DecimalField(blank=True, decimal_places=2, max_digits=6, null=True),
+        ),
+    ]

diff --git a/src/catalogue/models.py b/src/catalogue/models.py
index 682e97b..bb738a2 100644 (file)
--- a/src/catalogue/models.py
+++ b/src/catalogue/models.py
@@ -1,3 +1,4 @@
+import decimal
 from django.apps import apps
 from django.db import models
 from django.urls import reverse
@@ -77,6 +78,8 @@ class Category(WikidataMixin, models.Model):
     class Meta:
         abstract = True
 
+    def __str__(self):
+        return self.name
 
 class Epoch(Category):
     class Meta:
@@ -123,6 +126,10 @@ class Book(WikidataMixin, models.Model):
     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:
@@ -161,6 +168,15 @@ class Book(WikidataMixin, models.Model):
         DBook = apps.get_model("documents", "Book")
         return DBook.objects.filter(dc_slug=self.slug)
 
+    def estimated_costs(self):
+        return "\n".join(
+            "{}: {} zł".format(
+                work_type.name,
+                work_type.calculate(self) or '—'
+            )
+            for work_type in WorkType.objects.all()
+        )
+
 
 class Collection(models.Model):
     name = models.CharField(max_length=255)
@@ -173,3 +189,49 @@ class Collection(models.Model):
     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)
+