196 lines
6.4 KiB
Python
196 lines
6.4 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: GNU General Public License v3. See license.txt
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import frappe
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import erpnext
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from frappe.utils import flt, nowdate, add_days, cint
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from frappe import _
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def reorder_item():
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""" Reorder item if stock reaches reorder level"""
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# if initial setup not completed, return
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if not (frappe.db.a_row_exists("Company") and frappe.db.a_row_exists("Fiscal Year")):
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return
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if cint(frappe.db.get_value('Stock Settings', None, 'auto_indent')):
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return _reorder_item()
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def _reorder_item():
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material_requests = {"Purchase": {}, "Transfer": {}, "Material Issue": {}, "Manufacture": {}}
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warehouse_company = frappe._dict(frappe.db.sql("""select name, company from `tabWarehouse`
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where disabled=0"""))
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default_company = (erpnext.get_default_company() or
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frappe.db.sql("""select name from tabCompany limit 1""")[0][0])
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items_to_consider = frappe.db.sql_list("""select name from `tabItem` item
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where is_stock_item=1 and has_variants=0
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and disabled=0
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and (end_of_life is null or end_of_life='0000-00-00' or end_of_life > %(today)s)
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and (exists (select name from `tabItem Reorder` ir where ir.parent=item.name)
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or (variant_of is not null and variant_of != ''
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and exists (select name from `tabItem Reorder` ir where ir.parent=item.variant_of))
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)""",
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{"today": nowdate()})
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if not items_to_consider:
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return
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item_warehouse_projected_qty = get_item_warehouse_projected_qty(items_to_consider)
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def add_to_material_request(item_code, warehouse, reorder_level, reorder_qty, material_request_type, warehouse_group=None):
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if warehouse not in warehouse_company:
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# a disabled warehouse
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return
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reorder_level = flt(reorder_level)
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reorder_qty = flt(reorder_qty)
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# projected_qty will be 0 if Bin does not exist
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if warehouse_group:
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projected_qty = flt(item_warehouse_projected_qty.get(item_code, {}).get(warehouse_group))
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else:
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projected_qty = flt(item_warehouse_projected_qty.get(item_code, {}).get(warehouse))
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if (reorder_level or reorder_qty) and projected_qty < reorder_level:
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deficiency = reorder_level - projected_qty
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if deficiency > reorder_qty:
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reorder_qty = deficiency
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company = warehouse_company.get(warehouse) or default_company
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material_requests[material_request_type].setdefault(company, []).append({
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"item_code": item_code,
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"warehouse": warehouse,
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"reorder_qty": reorder_qty
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})
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for item_code in items_to_consider:
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item = frappe.get_doc("Item", item_code)
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if item.variant_of and not item.get("reorder_levels"):
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item.update_template_tables()
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if item.get("reorder_levels"):
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for d in item.get("reorder_levels"):
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add_to_material_request(item_code, d.warehouse, d.warehouse_reorder_level,
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d.warehouse_reorder_qty, d.material_request_type, warehouse_group=d.warehouse_group)
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if material_requests:
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return create_material_request(material_requests)
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def get_item_warehouse_projected_qty(items_to_consider):
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item_warehouse_projected_qty = {}
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for item_code, warehouse, projected_qty in frappe.db.sql("""select item_code, warehouse, projected_qty
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from tabBin where item_code in ({0})
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and (warehouse != "" and warehouse is not null)"""\
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.format(", ".join(["%s"] * len(items_to_consider))), items_to_consider):
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item_warehouse_projected_qty.setdefault(item_code, {})[warehouse] = flt(projected_qty)
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warehouse_doc = frappe.get_doc("Warehouse", warehouse)
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if warehouse_doc.parent_warehouse:
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if not item_warehouse_projected_qty.get(item_code, {}).get(warehouse_doc.parent_warehouse):
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item_warehouse_projected_qty.setdefault(item_code, {})[warehouse_doc.parent_warehouse] = flt(projected_qty)
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else:
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item_warehouse_projected_qty[item_code][warehouse_doc.parent_warehouse] += flt(projected_qty)
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return item_warehouse_projected_qty
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def create_material_request(material_requests):
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""" Create indent on reaching reorder level """
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mr_list = []
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exceptions_list = []
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def _log_exception():
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if frappe.local.message_log:
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exceptions_list.extend(frappe.local.message_log)
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frappe.local.message_log = []
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else:
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exceptions_list.append(frappe.get_traceback())
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for request_type in material_requests:
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for company in material_requests[request_type]:
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try:
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items = material_requests[request_type][company]
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if not items:
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continue
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mr = frappe.new_doc("Material Request")
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mr.update({
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"company": company,
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"transaction_date": nowdate(),
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"material_request_type": "Material Transfer" if request_type=="Transfer" else request_type
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})
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for d in items:
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d = frappe._dict(d)
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item = frappe.get_doc("Item", d.item_code)
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mr.append("items", {
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"doctype": "Material Request Item",
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"item_code": d.item_code,
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"schedule_date": add_days(nowdate(),cint(item.lead_time_days)),
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"uom": item.stock_uom,
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"warehouse": d.warehouse,
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"item_name": item.item_name,
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"description": item.description,
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"item_group": item.item_group,
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"qty": d.reorder_qty,
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"brand": item.brand,
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})
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mr.insert()
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mr.submit()
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mr_list.append(mr)
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except:
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_log_exception()
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if mr_list:
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if getattr(frappe.local, "reorder_email_notify", None) is None:
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frappe.local.reorder_email_notify = cint(frappe.db.get_value('Stock Settings', None,
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'reorder_email_notify'))
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if(frappe.local.reorder_email_notify):
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send_email_notification(mr_list)
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if exceptions_list:
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notify_errors(exceptions_list)
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return mr_list
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def send_email_notification(mr_list):
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""" Notify user about auto creation of indent"""
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email_list = frappe.db.sql_list("""select distinct r.parent
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from `tabHas Role` r, tabUser p
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where p.name = r.parent and p.enabled = 1 and p.docstatus < 2
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and r.role in ('Purchase Manager','Stock Manager')
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and p.name not in ('Administrator', 'All', 'Guest')""")
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msg = frappe.render_template("templates/emails/reorder_item.html", {
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"mr_list": mr_list
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})
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frappe.sendmail(recipients=email_list,
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subject=_('Auto Material Requests Generated'), message = msg)
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def notify_errors(exceptions_list):
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subject = "[Important] [ERPNext] Auto Reorder Errors"
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content = """Dear System Manager,
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An error occured for certain Items while creating Material Requests based on Re-order level.
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Please rectify these issues:
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---
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<pre>
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%s
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</pre>
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---
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Regards,
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Administrator""" % ("\n\n".join(exceptions_list),)
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from frappe.email import sendmail_to_system_managers
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sendmail_to_system_managers(subject, content)
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