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0bb49b0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 | from django.db import models
from django.utils import timezone
import uuid
from .storage import ProductImageStorage
product_image_storage = ProductImageStorage()
class Size(models.Model):
"""Size definitions with measurement ranges"""
name = models.CharField(max_length=10, unique=True) # S, M, L, XL, XXL
chest_min = models.DecimalField(max_digits=5, decimal_places=2) # cm
chest_max = models.DecimalField(max_digits=5, decimal_places=2) # cm
waist_min = models.DecimalField(max_digits=5, decimal_places=2) # cm
waist_max = models.DecimalField(max_digits=5, decimal_places=2) # cm
shoulder_min = models.DecimalField(max_digits=5, decimal_places=2) # cm
shoulder_max = models.DecimalField(max_digits=5, decimal_places=2) # cm
height_min = models.DecimalField(max_digits=5, decimal_places=2) # cm
height_max = models.DecimalField(max_digits=5, decimal_places=2) # cm
class Meta:
ordering = ['id']
def __str__(self):
return self.name
class Color(models.Model):
"""Color definitions with hex codes"""
CATEGORY_CHOICES = [
('light', 'Light Colors'),
('medium', 'Medium Colors'),
('dark', 'Dark Colors'),
('neutral', 'Neutral Colors'),
('vibrant', 'Vibrant Colors'),
]
name = models.CharField(max_length=50)
hex_code = models.CharField(max_length=7) # e.g., #FF5733
category = models.CharField(max_length=20, choices=CATEGORY_CHOICES)
class Meta:
ordering = ['name']
def __str__(self):
return self.name
class Product(models.Model):
"""Clothing products"""
CATEGORY_CHOICES = [
('shirt', 'Shirt'),
('pants', 'Pants'),
('jacket', 'Jacket'),
('dress', 'Dress'),
('skirt', 'Skirt'),
]
GENDER_CHOICES = [
('men', 'Men'),
('women', 'Women'),
('unisex', 'Unisex'),
]
name = models.CharField(max_length=200)
category = models.CharField(max_length=20, choices=CATEGORY_CHOICES)
gender = models.CharField(max_length=10, choices=GENDER_CHOICES)
price = models.DecimalField(max_digits=10, decimal_places=2)
description = models.TextField()
image = models.ImageField(
upload_to='images/products/',
storage=product_image_storage,
blank=True,
null=True,
)
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
ordering = ['name']
def __str__(self):
return f"{self.name} ({self.gender})"
class ProductVariant(models.Model):
"""Combination of product + size + color"""
product = models.ForeignKey(Product, on_delete=models.CASCADE, related_name='variants')
size = models.ForeignKey(Size, on_delete=models.CASCADE)
color = models.ForeignKey(Color, on_delete=models.CASCADE)
sku = models.CharField(max_length=50, unique=True)
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
ordering = ['product', 'size', 'color']
unique_together = ['product', 'size', 'color']
def __str__(self):
return f"{self.product.name} - {self.size.name} - {self.color.name}"
class Inventory(models.Model):
"""Stock tracking for each variant"""
product_variant = models.OneToOneField(ProductVariant, on_delete=models.CASCADE, related_name='inventory')
quantity = models.IntegerField(default=0)
low_stock_threshold = models.IntegerField(default=5)
last_updated = models.DateTimeField(auto_now=True)
class Meta:
verbose_name_plural = 'Inventories'
def __str__(self):
return f"{self.product_variant} - Stock: {self.quantity}"
@property
def is_low_stock(self):
return 0 < self.quantity <= self.low_stock_threshold
@property
def is_out_of_stock(self):
return self.quantity <= 0
@property
def is_available(self):
return self.quantity > 0
class BodyScan(models.Model):
"""Stored measurement data (no images)"""
SKIN_TONE_CHOICES = [
('very_light', 'Very Light'),
('light', 'Light'),
('intermediate', 'Intermediate'),
('tan', 'Tan'),
('dark', 'Dark'),
]
UNDERTONE_CHOICES = [
('warm', 'Warm'),
('cool', 'Cool'),
]
BODY_SHAPE_CHOICES = [
('hourglass', 'Hourglass'),
('rectangle', 'Rectangle'),
('triangle', 'Triangle (Pear)'),
('inverted_triangle', 'Inverted Triangle (Athletic)'),
('oval', 'Oval (Apple)'),
]
session_id = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
# Core measurements (required)
height = models.DecimalField(max_digits=5, decimal_places=1) # cm - used for calibration
shoulder_width = models.DecimalField(max_digits=5, decimal_places=1) # cm
chest = models.DecimalField(max_digits=5, decimal_places=1) # cm - circumference
waist = models.DecimalField(max_digits=5, decimal_places=1) # cm - circumference
# Fashion-specific measurements (nullable for backward compatibility)
hip = models.DecimalField(max_digits=5, decimal_places=1, null=True, blank=True) # cm - circumference
torso_length = models.DecimalField(max_digits=5, decimal_places=1, null=True, blank=True) # cm
arm_length = models.DecimalField(max_digits=5, decimal_places=1, null=True, blank=True) # cm
inseam = models.DecimalField(max_digits=5, decimal_places=1, null=True, blank=True) # cm - for pants
# Body shape classification
body_shape = models.CharField(max_length=20, choices=BODY_SHAPE_CHOICES, null=True, blank=True)
# Skin analysis
skin_tone = models.CharField(max_length=15, choices=SKIN_TONE_CHOICES)
undertone = models.CharField(max_length=10, choices=UNDERTONE_CHOICES, default='warm')
# Measurement quality metrics
confidence_score = models.DecimalField(max_digits=3, decimal_places=2, default=1.0) # 0.0-1.0
frame_count = models.IntegerField(default=1) # Number of frames used for averaging
is_fallback = models.BooleanField(default=False)
error_message = models.TextField(null=True, blank=True)
scanned_at = models.DateTimeField(auto_now_add=True)
class Meta:
ordering = ['-scanned_at']
def __str__(self):
return f"Scan {self.session_id} - {self.scanned_at.strftime('%Y-%m-%d %H:%M')}"
@property
def chest_to_waist_ratio(self):
"""Calculate body proportion ratio for fit recommendation"""
if self.waist > 0:
return float(self.chest) / float(self.waist)
return 1.0
@property
def body_shape_display(self):
"""Get human-readable body shape name"""
if self.body_shape:
return dict(self.BODY_SHAPE_CHOICES).get(self.body_shape, self.body_shape)
return None
class Recommendation(models.Model):
"""Generated recommendations"""
body_scan = models.ForeignKey(BodyScan, on_delete=models.CASCADE, related_name='recommendations')
product = models.ForeignKey(Product, on_delete=models.CASCADE)
recommended_size = models.CharField(max_length=10)
recommended_fit = models.CharField(max_length=20)
recommended_colors = models.TextField() # Comma-separated color names
priority = models.IntegerField(default=0) # Higher = more relevant
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
ordering = ['-priority', 'product']
def __str__(self):
return f"Recommendation for {self.body_scan.session_id} - {self.product.name}"
def get_recommended_colors_list(self):
"""Return recommended colors as a list"""
return [c.strip() for c in self.recommended_colors.split(',') if c.strip()]
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