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cd357c6 b3b8847 cd357c6 b3b8847 cd357c6 b3b8847 cd357c6 b3b8847 cd357c6 b3b8847 cd357c6 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 | #!/usr/bin/env python3
"""
Migration script to generate pricing_levels for catalogues that don't have them.
This script generates pricing_levels based on MRP with the following margins:
- ncnf: MRP - 12%
- cnf: MRP - 6%
- distributor: MRP - 10%
- retail: MRP - 20%
Usage:
python migration_generate_missing_pricing_levels.py
"""
import asyncio
import json
from datetime import datetime
from decimal import Decimal, ROUND_HALF_UP
from motor.motor_asyncio import AsyncIOMotorClient
from insightfy_utils.logging import get_logger
from app.core.config import settings
from app.catalogues.constants import SCM_CATALOGUE_COLLECTION
logger = get_logger(__name__)
# Pricing level margins (discount from MRP)
PRICING_MARGINS = {
"ncnf": {
"discount_pct": 12,
"trade_margin": 15,
"max_discount_pct": 5
},
"cnf": {
"discount_pct": 6,
"trade_margin": 18,
"max_discount_pct": 8
},
"distributor": {
"discount_pct": 10,
"trade_margin": 20,
"max_discount_pct": 15
},
"retail": {
"discount_pct": 20,
"trade_margin": 25,
"max_discount_pct": 20
}
}
def calculate_pricing_level(mrp: float, level_config: dict) -> dict:
"""
Calculate pricing for a specific level based on MRP and configuration.
Args:
mrp: Maximum Retail Price
level_config: Configuration with discount_pct and margins
Returns:
Dictionary with cost_price, trade_margin, and max_discount_pct
"""
mrp_decimal = Decimal(str(mrp))
discount_pct = Decimal(str(level_config["discount_pct"]))
# Calculate cost price (MRP - discount%)
cost_price = mrp_decimal * (Decimal('100') - discount_pct) / Decimal('100')
cost_price = cost_price.quantize(Decimal('0.01'), rounding=ROUND_HALF_UP)
return {
"cost_price": float(cost_price),
"trade_margin": level_config["trade_margin"],
"max_discount_pct": level_config["max_discount_pct"]
}
def generate_pricing_levels(mrp: float, currency: str = "INR") -> dict:
"""
Generate complete pricing_levels structure based on MRP.
Args:
mrp: Maximum Retail Price
currency: Currency code (default: INR)
Returns:
Complete pricing_levels dictionary
"""
if not mrp or mrp <= 0:
return None
pricing_levels = {
"currency": currency,
"mrp": mrp,
"levels": {}
}
# Generate pricing for each level
for level_name, level_config in PRICING_MARGINS.items():
pricing_levels["levels"][level_name] = calculate_pricing_level(mrp, level_config)
return pricing_levels
async def find_catalogues_without_pricing_levels():
"""Find catalogues that don't have pricing_levels but have MRP."""
# Connect to MongoDB
mongo_client = AsyncIOMotorClient(settings.MONGODB_URI)
mongo_db = mongo_client[settings.MONGODB_DB_NAME]
collection = mongo_db[SCM_CATALOGUE_COLLECTION]
try:
# Find catalogues without pricing_levels but with MRP
query = {
"$and": [
{"pricing_levels": {"$exists": False}}, # No pricing_levels
{
"$or": [
{"pricing.mrp": {"$exists": True, "$ne": None, "$gt": 0}}, # Has MRP in pricing
{"mrp": {"$exists": True, "$ne": None, "$gt": 0}} # Has top-level MRP
]
},
{"meta.status": {"$ne": "Deleted"}} # Not deleted
]
}
projection = {
"catalogue_id": 1,
"catalogue_name": 1,
"pricing": 1,
"mrp": 1,
"pricing_levels": 1
}
cursor = collection.find(query, projection)
catalogues = await cursor.to_list(length=None)
logger.info(f"Found {len(catalogues)} catalogues without pricing_levels")
return catalogues
except Exception as e:
logger.error(f"Error finding catalogues: {e}")
raise
finally:
mongo_client.close()
async def update_catalogue_pricing_levels(catalogue_id: str, pricing_levels: dict):
"""Update a single catalogue with generated pricing_levels."""
# Connect to MongoDB
mongo_client = AsyncIOMotorClient(settings.MONGODB_URI)
mongo_db = mongo_client[settings.MONGODB_DB_NAME]
collection = mongo_db[SCM_CATALOGUE_COLLECTION]
try:
# Update the catalogue
update_result = await collection.update_one(
{"catalogue_id": catalogue_id},
{
"$set": {
"pricing_levels": pricing_levels,
"meta.updated_at": datetime.utcnow(),
"meta.updated_by": "migration_script"
}
}
)
if update_result.modified_count > 0:
logger.debug(f"Updated pricing_levels for catalogue: {catalogue_id}")
return True
else:
logger.warning(f"No update performed for catalogue: {catalogue_id}")
return False
except Exception as e:
logger.error(f"Error updating catalogue {catalogue_id}: {e}")
raise
finally:
mongo_client.close()
async def migrate_pricing_levels():
"""Main migration function to generate pricing_levels for catalogues."""
logger.info("Starting pricing_levels migration")
try:
# Find catalogues without pricing_levels
catalogues = await find_catalogues_without_pricing_levels()
if not catalogues:
logger.info("No catalogues found that need pricing_levels migration")
return
updated_count = 0
skipped_count = 0
error_count = 0
for catalogue in catalogues:
try:
catalogue_id = catalogue["catalogue_id"]
catalogue_name = catalogue.get("catalogue_name", "Unknown")
# Extract MRP from pricing or top-level
mrp = None
if "pricing" in catalogue and catalogue["pricing"]:
mrp = catalogue["pricing"].get("mrp")
if not mrp and "mrp" in catalogue:
mrp = catalogue["mrp"]
if not mrp or mrp <= 0:
logger.warning(f"Skipping catalogue {catalogue_id} - no valid MRP found")
skipped_count += 1
continue
# Generate pricing_levels
pricing_levels = generate_pricing_levels(mrp)
if not pricing_levels:
logger.warning(f"Skipping catalogue {catalogue_id} - could not generate pricing_levels")
skipped_count += 1
continue
# Update catalogue
success = await update_catalogue_pricing_levels(catalogue_id, pricing_levels)
if success:
updated_count += 1
logger.info(f"✅ Updated {catalogue_name} (ID: {catalogue_id}) - MRP: ₹{mrp}")
else:
skipped_count += 1
except Exception as e:
error_count += 1
logger.error(f"Error processing catalogue {catalogue.get('catalogue_id', 'unknown')}: {e}")
# Summary
logger.info("=" * 60)
logger.info("MIGRATION SUMMARY")
logger.info("=" * 60)
logger.info(f"Total catalogues found: {len(catalogues)}")
logger.info(f"Successfully updated: {updated_count}")
logger.info(f"Skipped: {skipped_count}")
logger.info(f"Errors: {error_count}")
logger.info("=" * 60)
if updated_count > 0:
logger.info("✅ Migration completed successfully!")
else:
logger.warning("⚠️ No catalogues were updated")
except Exception as e:
logger.error(f"Migration failed: {e}")
raise
async def preview_migration():
"""Preview what the migration would do without making changes."""
logger.info("PREVIEW MODE - No changes will be made")
logger.info("=" * 60)
try:
catalogues = await find_catalogues_without_pricing_levels()
if not catalogues:
logger.info("No catalogues found that need pricing_levels migration")
return
logger.info(f"Found {len(catalogues)} catalogues that would be updated:")
logger.info("")
for i, catalogue in enumerate(catalogues[:10], 1): # Show first 10
catalogue_id = catalogue["catalogue_id"]
catalogue_name = catalogue.get("catalogue_name", "Unknown")
# Extract MRP
mrp = None
if "pricing" in catalogue and catalogue["pricing"]:
mrp = catalogue["pricing"].get("mrp")
if not mrp and "mrp" in catalogue:
mrp = catalogue["mrp"]
logger.info(f"{i}. {catalogue_name}")
logger.info(f" ID: {catalogue_id}")
logger.info(f" MRP: ₹{mrp if mrp else 'Not found'}")
if mrp and mrp > 0:
# Show what pricing_levels would be generated
pricing_levels = generate_pricing_levels(mrp)
if pricing_levels:
logger.info(" Generated pricing levels:")
for level, data in pricing_levels["levels"].items():
logger.info(f" {level}: ₹{data['cost_price']} (MRP-{PRICING_MARGINS[level]['discount_pct']}%)")
logger.info("")
if len(catalogues) > 10:
logger.info(f"... and {len(catalogues) - 10} more catalogues")
logger.info("=" * 60)
logger.info("Run without --preview flag to execute the migration")
except Exception as e:
logger.error(f"Preview failed: {e}")
raise
async def main():
"""Main function with preview option."""
import sys
if "--preview" in sys.argv:
await preview_migration()
else:
await migrate_pricing_levels()
if __name__ == "__main__":
asyncio.run(main()) |