249 lines
8.9 KiB
Python
249 lines
8.9 KiB
Python
from django.db import models
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class Fertilizer(models.Model):
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name = models.CharField(max_length=100, unique=True, verbose_name='肥料名')
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maker = models.CharField(max_length=100, blank=True, null=True, verbose_name='メーカー')
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capacity_kg = models.DecimalField(
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max_digits=8, decimal_places=3, blank=True, null=True, verbose_name='1袋重量(kg)'
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)
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nitrogen_pct = models.DecimalField(
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max_digits=5, decimal_places=2, blank=True, null=True, verbose_name='窒素含有率(%)'
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)
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phosphorus_pct = models.DecimalField(
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max_digits=5, decimal_places=2, blank=True, null=True, verbose_name='リン酸含有率(%)'
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)
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potassium_pct = models.DecimalField(
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max_digits=5, decimal_places=2, blank=True, null=True, verbose_name='カリ含有率(%)'
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)
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notes = models.TextField(blank=True, null=True, verbose_name='備考')
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material = models.OneToOneField(
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'materials.Material',
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='legacy_fertilizer',
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verbose_name='資材マスタ',
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)
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class Meta:
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verbose_name = '肥料マスタ'
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verbose_name_plural = '肥料マスタ'
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ordering = ['name']
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def __str__(self):
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return self.name
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class FertilizationPlan(models.Model):
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name = models.CharField(max_length=200, verbose_name='計画名')
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year = models.IntegerField(verbose_name='年度')
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variety = models.ForeignKey(
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'plans.Variety', on_delete=models.PROTECT,
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related_name='fertilization_plans', verbose_name='品種'
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)
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calc_settings = models.JSONField(default=list, blank=True, verbose_name='計算設定')
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is_confirmed = models.BooleanField(default=False, verbose_name='散布確定済み')
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confirmed_at = models.DateTimeField(null=True, blank=True, verbose_name='散布確定日時')
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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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verbose_name = '施肥計画'
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verbose_name_plural = '施肥計画'
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ordering = ['-year', 'variety']
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def __str__(self):
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return f"{self.year} {self.name}"
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class FertilizationEntry(models.Model):
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"""圃場 × 肥料 × 袋数 の中間テーブル"""
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plan = models.ForeignKey(
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FertilizationPlan, on_delete=models.CASCADE, related_name='entries'
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)
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field = models.ForeignKey(
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'fields.Field', on_delete=models.CASCADE, verbose_name='圃場'
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)
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fertilizer = models.ForeignKey(
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Fertilizer, on_delete=models.PROTECT, verbose_name='肥料'
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)
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bags = models.DecimalField(max_digits=8, decimal_places=2, verbose_name='袋数')
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actual_bags = models.DecimalField(
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max_digits=10,
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decimal_places=4,
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null=True,
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blank=True,
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verbose_name='実績袋数',
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)
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class Meta:
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verbose_name = '施肥エントリ'
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verbose_name_plural = '施肥エントリ'
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unique_together = [['plan', 'field', 'fertilizer']]
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ordering = ['field', 'fertilizer']
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def __str__(self):
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return f"{self.plan} / {self.field} / {self.fertilizer}: {self.bags}袋"
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class DeliveryPlan(models.Model):
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"""運搬計画：施肥計画の肥料を軽トラで運ぶ単位で計画・記録する"""
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year = models.IntegerField(verbose_name='年度')
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name = models.CharField(max_length=200, verbose_name='計画名')
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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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verbose_name = '運搬計画'
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verbose_name_plural = '運搬計画'
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ordering = ['-year', 'name']
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def __str__(self):
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return f"{self.year} {self.name}"
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class DeliveryGroup(models.Model):
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"""配送先グループ：まとめて運ぶ圃場のグループ"""
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delivery_plan = models.ForeignKey(
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DeliveryPlan, on_delete=models.CASCADE,
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related_name='groups', verbose_name='運搬計画'
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)
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name = models.CharField(max_length=100, verbose_name='グループ名')
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order = models.PositiveIntegerField(default=0, verbose_name='表示順')
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class Meta:
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verbose_name = '配送先グループ'
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verbose_name_plural = '配送先グループ'
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unique_together = [['delivery_plan', 'name']]
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ordering = ['order', 'id']
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def __str__(self):
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return f"{self.delivery_plan} / {self.name}"
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class DeliveryGroupField(models.Model):
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"""圃場のグループへの割り当て（1圃場=1グループ/1運搬計画）"""
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delivery_plan = models.ForeignKey(
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DeliveryPlan, on_delete=models.CASCADE, verbose_name='運搬計画'
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)
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group = models.ForeignKey(
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DeliveryGroup, on_delete=models.CASCADE,
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related_name='field_assignments', verbose_name='グループ'
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)
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field = models.ForeignKey(
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'fields.Field', on_delete=models.PROTECT, verbose_name='圃場'
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)
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class Meta:
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verbose_name = 'グループ圃場割り当て'
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verbose_name_plural = 'グループ圃場割り当て'
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unique_together = [['delivery_plan', 'field']]
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ordering = ['field__display_order', 'field__id']
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def __str__(self):
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return f"{self.group.name} / {self.field.name}"
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class DeliveryTrip(models.Model):
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"""運搬回：軽トラ1回分の積載"""
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delivery_plan = models.ForeignKey(
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DeliveryPlan, on_delete=models.CASCADE,
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related_name='trips', verbose_name='運搬計画'
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)
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order = models.PositiveIntegerField(default=0, verbose_name='何回目')
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name = models.CharField(max_length=100, blank=True, verbose_name='名前')
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date = models.DateField(null=True, blank=True, verbose_name='運搬日')
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class Meta:
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verbose_name = '運搬回'
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verbose_name_plural = '運搬回'
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ordering = ['order', 'id']
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def __str__(self):
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return f"{self.delivery_plan} / {self.order + 1}回目"
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class DeliveryTripItem(models.Model):
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"""運搬明細：圃場×肥料単位の袋数"""
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trip = models.ForeignKey(
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DeliveryTrip, on_delete=models.CASCADE,
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related_name='items', verbose_name='運搬回'
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)
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field = models.ForeignKey(
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'fields.Field', on_delete=models.PROTECT, verbose_name='圃場'
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)
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fertilizer = models.ForeignKey(
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Fertilizer, on_delete=models.PROTECT, verbose_name='肥料'
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)
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bags = models.DecimalField(max_digits=10, decimal_places=4, verbose_name='袋数')
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class Meta:
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verbose_name = '運搬明細'
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verbose_name_plural = '運搬明細'
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unique_together = [['trip', 'field', 'fertilizer']]
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ordering = ['field__display_order', 'field__id', 'fertilizer__name']
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def __str__(self):
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return f"{self.trip} / {self.field.name} / {self.fertilizer.name}: {self.bags}袋"
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class SpreadingSession(models.Model):
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"""散布日単位の実績"""
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year = models.IntegerField(verbose_name='年度')
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date = models.DateField(verbose_name='散布日')
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name = models.CharField(max_length=100, blank=True, verbose_name='名前')
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notes = models.TextField(blank=True, default='', verbose_name='備考')
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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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verbose_name = '散布実績'
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verbose_name_plural = '散布実績'
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ordering = ['-date', '-id']
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def __str__(self):
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label = self.name.strip() or f'{self.date}'
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return f'{self.year} {label}'
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class SpreadingSessionItem(models.Model):
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"""散布実績明細：圃場×肥料ごとの実績"""
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session = models.ForeignKey(
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SpreadingSession,
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on_delete=models.CASCADE,
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related_name='items',
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verbose_name='散布実績',
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)
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field = models.ForeignKey(
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'fields.Field', on_delete=models.PROTECT, verbose_name='圃場'
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)
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fertilizer = models.ForeignKey(
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Fertilizer, on_delete=models.PROTECT, verbose_name='肥料'
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)
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actual_bags = models.DecimalField(max_digits=10, decimal_places=4, verbose_name='実散布袋数')
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planned_bags_snapshot = models.DecimalField(
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max_digits=10,
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decimal_places=4,
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verbose_name='計画袋数スナップショット',
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)
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delivered_bags_snapshot = models.DecimalField(
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max_digits=10,
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decimal_places=4,
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verbose_name='運搬済み袋数スナップショット',
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)
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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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verbose_name = '散布実績明細'
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verbose_name_plural = '散布実績明細'
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unique_together = [['session', 'field', 'fertilizer']]
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ordering = ['field__display_order', 'field__id', 'fertilizer__name']
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def __str__(self):
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return (
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f'{self.session} / {self.field.name} / '
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f'{self.fertilizer.name}: {self.actual_bags}袋'
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)
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