[company][dashboard] implement heatmap with linked doctypes (#14185)

* [company][dashboard] implement heatmap with linked doctypes

* [company][dashboard] cache transaction history data, schedule query daily

erpnext/setup/doctype/company/company.json

@@ -358,6 +358,36 @@
    "translatable": 0,
    "unique": 0
   },
+  {
+   "allow_bulk_edit": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "transactions_annual_history",
+   "fieldtype": "Code",
+   "hidden": 1,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 0,
+   "in_standard_filter": 0,
+   "label": "Transactions Annual History",
+   "length": 0,
+   "no_copy": 1,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 1,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "unique": 0
+  },
   {
    "allow_bulk_edit": 0,
    "allow_on_submit": 0,
@@ -2561,7 +2591,7 @@
  "istable": 0,
  "max_attachments": 0,
  "menu_index": 0,
- "modified": "2018-05-17 21:59:33.594245", 
+ "modified": "2018-05-23 03:25:15.872138",
  "modified_by": "Administrator",
  "module": "Setup",
  "name": "Company",

erpnext/setup/doctype/company/company.py

@@ -2,8 +2,9 @@
 # License: GNU General Public License v3. See license.txt
 
 from __future__ import unicode_literals
-import frappe, os
+import frappe, os, json
 from frappe import _
+from frappe.utils import get_timestamp
 
 from frappe.utils import cint, today, formatdate
 import frappe.defaults
@@ -407,10 +408,18 @@ def update_company_monthly_sales(company):
 
 	frappe.db.set_value("Company", company, "sales_monthly_history", json.dumps(month_to_value_dict))
 
+def update_transactions_annual_history(company, commit=False):
+	transactions_history = get_all_transactions_annual_history(company)
+	frappe.db.set_value("Company", company, "transactions_annual_history", json.dumps(transactions_history))
+
+	if commit:
+		frappe.db.commit()
+
 def cache_companies_monthly_sales_history():
 	companies = [d['name'] for d in frappe.get_list("Company")]
 	for company in companies:
 		update_company_monthly_sales(company)
+		update_transactions_annual_history(company)
 	frappe.db.commit()
 
 @frappe.whitelist()
@@ -441,3 +450,73 @@ def add_node():
 		args.parent_company = None
 
 	frappe.get_doc(args).insert()
+
+def get_all_transactions_annual_history(company):
+	out = {}
+
+	items = frappe.db.sql('''
+		select transaction_date, count(*) as count
+
+		from (
+			select name, transaction_date, company
+			from `tabQuotation`
+
+			UNION ALL
+
+			select name, transaction_date, company
+			from `tabSales Order`
+
+			UNION ALL
+
+			select name, posting_date as transaction_date, company
+			from `tabDelivery Note`
+
+			UNION ALL
+
+			select name, posting_date as transaction_date, company
+			from `tabSales Invoice`
+
+			UNION ALL
+
+			select name, creation as transaction_date, company
+			from `tabIssue`
+
+			UNION ALL
+
+			select name, creation as transaction_date, company
+			from `tabProject`
+		) t
+
+		where
+			company=%s
+			and
+			transaction_date > date_sub(curdate(), interval 1 year)
+
+		group by
+			transaction_date
+			''', (company), as_dict=True)
+
+	for d in items:
+		timestamp = get_timestamp(d["transaction_date"])
+		out.update({ timestamp: d["count"] })
+
+	return out
+
+def get_timeline_data(doctype, name):
+	'''returns timeline data based on linked records in dashboard'''
+	out = {}
+	date_to_value_dict = {}
+
+	history = frappe.db.get_value("Company", name, "transactions_annual_history")
+
+	try:
+		date_to_value_dict = json.loads(history) if history and '{' in history else None
+	except ValueError:
+		date_to_value_dict = None
+
+	if date_to_value_dict is None:
+		update_transactions_annual_history(name, True)
+		history = frappe.db.get_value("Company", name, "transactions_annual_history")
+		return json.loads(history) if history and '{' in history else {}
+
+	return date_to_value_dict