o qvh$@sddlmZddlZddlZddlmZddlmZddlm Z ddl m Z ddl m Z ddlmZdd lmZdd lmZdd lmZGd d d e jZGddde jZGddde jZGddde jZGddde jZdS))appsN) timedelta)uuid4)ProcessedImageField) ResizeToFill)models)ValidationError)slugify)now)SuppliercseZdZfddZZS) ActiveManagercstjddS)NT)deleted_at__isnull)super get_querysetfilterself __class__,/var/www/html/hyperkenya/inventory/models.pyrszActiveManager.get_queryset)__name__ __module__ __qualname__r __classcell__rrrrr sr cseZdZejdddZejdddddZejdddZ ej ddddZ ej dddd ej d Zejddd Zfd d ZddZZS)CategoryT) max_lengthunique)rrblanknullrr zcategory_images/ upload_torr r subcategories)r r related_name on_deleter rcs(|js t|j|_tj|i|dSN)slugr namersaverargskwargsrrrr+s z Category.savecCs|jSr()r*rrrr__str__$szCategory.__str__)rrrr CharFieldr* SlugFieldr) TextField description ImageField thumbnail ForeignKeyCASCADEparent DateTimeField deleted_atr+r/rrrrrrs rcseZdZejddZejddddZejdddZejddddddZ ej ddddd Z ej ddd Z ej ddddd Z ejd d Zejd d Zejd dddZejdddZejddZejdddejdddZejdddZejddddZejdddZej ddddd ZejdddZ ejdddZ!ejddddZ"ejdddZ#e$Z%e&Z'ddZ(ddZ)fddZ*e+dd Z,d!d"Z-d#d$Z.d%d&Z/d'd(Z0d)d*Z1Gd+d,d,Z2Z3S)-Productr)rTrrr )rr)rrr rdb_index  max_digitsdecimal_placesrr rArBrdefault2r! auto_now_addrproducts)r rr&r=r%product_images/r"F)rEr=r'FcCs |jr |jd|jdS|jS)Nz ())variantr*rrrrr/Fs zProduct.__str__cCs`|jdur|j|jkrtd|jr|j|jkrtd|jdkr%td|jdkr.tddS)z6 Validation logic for product fields. N0Selling price must be greater than buying price.z3Discount price must be less than the selling price.rz"Stock quantity cannot be negative.z'Low stock threshold cannot be negative.) buying_price selling_pricerdiscount_pricestock_quantitylow_stock_thresholdrrrrcleanIs  z Product.cleancs|js8t|jr|jd|jn|j}|}d}tjj|dr5|d|}|d7}tjj|ds!||_|js@| |_| t j |i|dS)zM Override save method to handle slug and barcode generation. -)r)N) r)r rMr*r;objectsrexistsbarcodegenerate_barcoderTrr+)rr-r. base_slug unique_slugcounterrrrr+Vs" z Product.savecCsdtjtjddS)z6 Generates a random 12-digit barcode. )k)joinrandomchoicesstringdigitsrrrrrZlszProduct.generate_barcodecOst|_|dS)z[ Soft-delete the product by setting `deleted_at` to the current timestamp. N)r r:r+r,rrrdeletess zProduct.deletecCsd|_|dS)zT Restore a soft-deleted product by clearing the `deleted_at` field. N)r:r+rrrrrestorezs zProduct.restorecCs |j|jkS)zN Check if the product stock is below the low stock threshold. )rRrSrrrr is_low_stocks zProduct.is_low_stockcCs$|jrt|jtddkSdS)zH Check if the product is nearing expiry within 30 days. )daysF) expiry_dater daterrrrris_nearing_expiryszProduct.is_nearing_expirycCs|jr t|jkSdS)z3 Check if the product has expired. F)rkr rlrrrr has_expiredszProduct.has_expiredc@seZdZddgZdS)z Product.Metar*rMN)rrrunique_togetherrrrrMetas rp)4rrrrr0r*rMr1r)rY DecimalFieldrOrPwholesale_pricePositiveIntegerFieldrRrSpackaging_type DateFieldrkr9 created_atr6SET_NULLcategoryr2r3r4image BooleanField is_featuredrQ is_activer: seo_titleseo_descriptionr rWManager all_objectsr/rTr+ staticmethodrZrfrgrhrmrnrprrrrrr;)sF      r;c@seZdZejedejdZede ddgdddidZ ed e d d gdddid d d Z ej d dZ ejdd d dZejddZejdd d dZddZddZGdddZdS) ProductImageimagesr%r&rJi JPEGqualityU)r# processorsformatoptionszproduct_thumbnails/T)r#rrrrr FrDrr<rcCs*|jr|jjjddrtddSdS)NT) is_primaryz.Only one primary image is allowed per product.)rproductrrrXrrrrrrTszProductImage.cleancCsd|jjS)Nz Image for )rr*rrrrr/szProductImage.__str__c@eZdZdgZdS)zProductImage.MetaorderNrrrorderingrrrrrp rpN)rrrrr6r;r7rrrryr5rzrr0alt_textrsrcaptionrTr/rprrrrrs.    rcs eZdZgdZejddejdZejddddZ e Z ej dd d Z ej dd ddd Zejddd Zejdd ZejdddZejedZejdeddZejddd ZejeejdddZeZeZddZ fddZ!e"ddZ#ddZ$GdddZ%Z&S)Batch))activeActive)expiredExpired)sold_outzSold Outr;batchesrrTr<r>r?rCr@r!rGr'rDr)rrcrE)r&r rcCsR|jr|jtkrtd|jdkrtd|jr%|j|jkr'tddSdS)z< Validation logic to ensure data integrity. z"Expiry date cannot be in the past.rz"Batch quantity cannot be negative.rNN)rkr rlrquantityrPrOrrrrrTs z Batch.cleancs2|js||_tdd}tj|i|dS)zG Override save to generate batch code if not provided. suppliersr N) batch_codegenerate_batch_coder get_modelrr+)rr-r.r rrrr+s  z Batch.savecCsdtjddS)z0 Generates a unique batch code. zBATCH-N)rhexupperrrrrrszBatch.generate_batch_codecCsd|jd|jjS)NzBatch z for )rrr*rrrrr/sz Batch.__str__c@r)z Batch.Meta received_dateNrrrrrrprrp)'rrrSTATUS_CHOICESrr6r7rr0rrsrrqrOrPrurkr9rvr:r rstatusr2notesr rwsupplierr rWrrrTr+rrr/rprrrrrrs,    r) django.appsrrbrddatetimeruuidrimagekit.modelsrimagekit.processorsr django.dbrdjango.core.exceptionsrdjango.utils.textr django.utils.timezoner suppliers.modelsr rr Modelrr;rrrrrrs"          s!