79 lines
3.9 KiB
Python
79 lines
3.9 KiB
Python
from django.db import models
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class Material(models.Model):
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"""
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材料模型
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"""
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MAJOR_CATEGORY_CHOICES = (
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('architecture', '建筑'),
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('landscape', '景观'),
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('equipment', '设备'),
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('decoration', '装修'),
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)
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REPLACE_TYPE_CHOICES = (
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('alternative', '平替'),
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('new_development', '新研发'),
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)
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ADVANTAGE_CHOICES = (
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('quality', '品质'),
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('cost', '成本'),
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)
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APPLICATION_SCENE_CHOICES = (
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('fu', '府系'),
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('jing', '境系'),
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('cheng', '城系'),
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('zhu', '住系'),
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('affordable', '保障房'),
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)
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STAR_LEVEL_CHOICES = (
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(1, '1星'),
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(2, '2星'),
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(3, '3星'),
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)
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STATUS_CHOICES = (
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('draft', '创建中'),
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('pending', '待审核'),
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('approved', '已审核'),
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)
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name = models.CharField(max_length=255, verbose_name='材料名称')
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major_category = models.CharField(max_length=20, choices=MAJOR_CATEGORY_CHOICES, verbose_name='专业类别')
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material_category = models.CharField(max_length=255, verbose_name='材料分类')
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material_subcategory = models.CharField(max_length=255, verbose_name='材料子分类')
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spec = models.CharField(max_length=255, blank=True, null=True, verbose_name='规格型号')
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standard = models.CharField(max_length=255, blank=True, null=True, verbose_name='符合标准')
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application_scene = models.CharField(max_length=20, choices=APPLICATION_SCENE_CHOICES, blank=True, null=True, verbose_name='应用场景')
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application_desc = models.TextField(blank=True, null=True, verbose_name='应用场景说明')
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replace_type = models.CharField(max_length=20, choices=REPLACE_TYPE_CHOICES, blank=True, null=True, verbose_name='替代材料类型')
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advantage = models.CharField(max_length=20, choices=ADVANTAGE_CHOICES, blank=True, null=True, verbose_name='竞争优势')
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advantage_desc = models.TextField(blank=True, null=True, verbose_name='优势说明')
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cost_compare = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True, verbose_name='成本对比百分数')
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cost_desc = models.TextField(blank=True, null=True, verbose_name='成本说明')
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cases = models.TextField(blank=True, null=True, verbose_name='案例')
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brochure = models.ImageField(upload_to='material_brochures/', blank=True, null=True, verbose_name='宣传页图片')
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quality_level = models.IntegerField(choices=STAR_LEVEL_CHOICES, blank=True, null=True, verbose_name='质量提升等级')
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durability_level = models.IntegerField(choices=STAR_LEVEL_CHOICES, blank=True, null=True, verbose_name='耐久可靠等级')
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eco_level = models.IntegerField(choices=STAR_LEVEL_CHOICES, blank=True, null=True, verbose_name='环保健康等级')
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carbon_level = models.IntegerField(choices=STAR_LEVEL_CHOICES, blank=True, null=True, verbose_name='循环低碳等级')
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score_level = models.IntegerField(choices=STAR_LEVEL_CHOICES, blank=True, null=True, verbose_name='总评分等级')
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connection_method = models.CharField(max_length=255, blank=True, null=True, verbose_name='连接方式')
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construction_method = models.CharField(max_length=255, blank=True, null=True, verbose_name='施工工艺')
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limit_condition = models.TextField(blank=True, null=True, verbose_name='限制条件')
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factory = models.ForeignKey('factory.Factory', on_delete=models.CASCADE, related_name='materials', verbose_name='所属工厂')
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status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='draft', verbose_name='状态')
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created_at = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')
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updated_at = models.DateTimeField(auto_now=True, verbose_name='更新时间')
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class Meta:
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verbose_name = '材料'
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verbose_name_plural = '材料'
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db_table = 'material'
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def __str__(self):
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return self.name
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