From 162f7d1b50c175e85e118f15140b55e039084210 Mon Sep 17 00:00:00 2001
From: Rucha Mahabal <ruchamahabal2@gmail.com>
Date: Mon, 1 Jul 2019 01:09:58 +0530
Subject: [PATCH] auto email and new communication linked to email campaign
 setup

---
 .../email_campaign/email_campaign.json        | 17 ++++++--
 .../doctype/email_campaign/email_campaign.py  | 42 ++++++++++++++++++-
 erpnext/hooks.py                              |  1 +
 3 files changed, 55 insertions(+), 5 deletions(-)

diff --git a/erpnext/crm/doctype/email_campaign/email_campaign.json b/erpnext/crm/doctype/email_campaign/email_campaign.json
index 49b3c0643da..d7113f6b4e7 100644
--- a/erpnext/crm/doctype/email_campaign/email_campaign.json
+++ b/erpnext/crm/doctype/email_campaign/email_campaign.json
@@ -13,7 +13,8 @@
   "status",
   "email_schedule_section",
   "email_schedule",
-  "naming_series"
+  "naming_series",
+  "amended_from"
  ],
  "fields": [
   {
@@ -42,7 +43,7 @@
    "fieldname": "status",
    "fieldtype": "Select",
    "label": "Status",
-   "options": "\nStarted\nIn Progress\nCompleted"
+   "options": "\nDraft\nSubmitted\nStarted\nIn Progress\nCompleted"
   },
   {
    "fieldname": "column_break_4",
@@ -72,9 +73,19 @@
    "label": "Naming Series",
    "options": "MAIL-CAMP-.YYYY.-",
    "reqd": 1
+  },
+  {
+   "fieldname": "amended_from",
+   "fieldtype": "Link",
+   "label": "Amended From",
+   "no_copy": 1,
+   "options": "Email Campaign",
+   "print_hide": 1,
+   "read_only": 1
   }
  ],
- "modified": "2019-06-30 16:23:00.696185",
+ "is_submittable": 1,
+ "modified": "2019-06-30 23:00:24.765312",
  "modified_by": "Administrator",
  "module": "CRM",
  "name": "Email Campaign",
diff --git a/erpnext/crm/doctype/email_campaign/email_campaign.py b/erpnext/crm/doctype/email_campaign/email_campaign.py
index c3e8f9f5593..82ee6a6cb4a 100644
--- a/erpnext/crm/doctype/email_campaign/email_campaign.py
+++ b/erpnext/crm/doctype/email_campaign/email_campaign.py
@@ -5,12 +5,14 @@
 from __future__ import unicode_literals
 import frappe
 from frappe import _
-from frappe.utils import getdate, add_days
+from frappe.utils import getdate, add_days, nowdate
 from frappe.model.document import Document
+from frappe.email.inbox import link_communication_to_document
 
 class EmailCampaign(Document):
 	def validate(self):
 		self.validate_dates()
+		self.validate_lead()
 
 	def validate_dates(self):
 		campaign = frappe.get_doc("Campaign", self.campaign_name)
@@ -25,4 +27,40 @@ class EmailCampaign(Document):
 			no_of_days += entry.send_after_days
 		email_schedule_end_date = add_days(getdate(self.start_date), no_of_days)
 		if campaign.to_date and getdate(email_schedule_end_date) > getdate(campaign.to_date):
-			frappe.throw(_("Email Schedule cannot extend Campaign End Date"))	
+			frappe.throw(_("Email Schedule cannot extend Campaign End Date"))
+
+	def validate_lead(self):
+		lead = frappe.get_doc("Lead", self.lead)
+		if not lead.get("email_id"):
+			frappe.throw(_("Please set email id for lead communication"))
+
+	def send(self):
+		lead = frappe.get_doc("Lead", self.get("lead"))
+		email_schedule =  frappe.get_doc("Campaign Email Schedule", self.get("email_schedule"))
+		email_template = frappe.get_doc("Email Template", email_schedule.name)
+		frappe.sendmail(
+			recipients = lead.get("email_id"),
+			sender = lead.get("lead_owner"),
+			subject = email_template.get("subject"),
+			message = email_template.get("response"),
+			reference_doctype = self.doctype,
+			reference_name = self.name
+		)
+
+	def on_submit(self):
+		"""Create a new communication linked to the campaign if not created"""
+		if not frappe.db.sql("select subject from tabCommunication where reference_name = %s", self.name):
+			doc = frappe.new_doc("Communication")
+			doc.subject = "Email Campaign Communication: " + self.name
+			link_communication_to_document(doc, "Email Campaign", self.name, ignore_communication_links = False)
+
+@frappe.whitelist()
+def send_email_to_leads():
+	email_campaigns = frappe.get_all("Email Campaign", filters = { 'start_date': ("<=", nowdate()) })
+	for campaign in email_campaigns:
+		email_campaign = frappe.get_doc("Email Campaign", campaign.name)
+		for entry in email_campaign.get("email_schedule"):
+			scheduled_date = add_days(email_campaign.get('start_date'), entry.get('send_after_days'))
+			if(scheduled_date == nowdate()):
+				email_campaign.send()
+# send_email_to_leads()
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index 6ce75bbac36..1466d243ad6 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -266,6 +266,7 @@ scheduler_events = {
 		"erpnext.projects.doctype.project.project.send_project_status_email_to_users",
 		"erpnext.quality_management.doctype.quality_review.quality_review.review",
 		"erpnext.support.doctype.service_level_agreement.service_level_agreement.check_agreement_status",
+		"erpnext.crm.doctype.email_campaign.email_campaign.send_email_to_leads"
 	],
 	"daily_long": [
 		"erpnext.manufacturing.doctype.bom_update_tool.bom_update_tool.update_latest_price_in_all_boms"