Add Payment Reconciliation Feature/Tool - Complete
diff --git a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.js b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.js
index cf62fd3..c2ba1e6 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.js
+++ b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.js
@@ -20,19 +20,38 @@
 
 	get_unreconciled_entries: function() {
 		var me = this;
-		if(!this.frm.doc.company || !this.frm.doc.party_account) {
-			if(!this.frm.doc.company) {
-				msgprint(__("Please enter Company"));
-			} else {
-				msgprint(__("Please enter Party Account"));		
+		return this.frm.call({
+			doc: me.frm.doc,
+			method: 'get_unreconciled_entries',
+			callback: function(r, rt) {
+				var invoices = [];
+				
+				$.each(me.frm.doc.payment_reconciliation_invoices || [], function(i, row) {
+						if (row.invoice_number && !inList(invoices, row.invoice_number)) 
+							invoices.push(row.invoice_number);
+				});
+								
+				frappe.meta.get_docfield("Payment Reconciliation Payment", "invoice_number",
+					me.frm.doc.name).options = invoices.join("\n");
+
+				$.each(me.frm.doc.payment_reconciliation_payments || [], function(i, p) {
+					if(!inList(invoices, cstr(p.invoice_number))) p.invoice_number = null;
+				});
+
+				refresh_field("payment_reconciliation_payments");
 			}
-		} else {
-			return this.frm.call({
-				doc: me.frm.doc,
-				method: 'get_unreconciled_entries'
-			});
-		}
+		});
+
+	},
+
+	reconcile: function() {
+		var me = this;
+		return this.frm.call({
+			doc: me.frm.doc,
+			method: 'reconcile'
+		});
 	}
+
 });
 
 $.extend(cur_frm.cscript, new erpnext.accounts.PaymentReconciliationController({frm: cur_frm}));
diff --git a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.json b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.json
index 12253d0..ce0d731 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.json
+++ b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.json
@@ -1,4 +1,5 @@
 {
+ "allow_copy": 1, 
  "creation": "2014-07-09 12:04:51.681583", 
  "custom": 0, 
  "docstatus": 0, 
@@ -27,11 +28,12 @@
   {
    "fieldname": "party_type", 
    "fieldtype": "Select", 
-   "hidden": 0, 
+   "hidden": 1, 
    "in_list_view": 1, 
    "label": "Party Type", 
    "options": "Customer\nSupplier", 
    "permlevel": 0, 
+   "read_only": 1, 
    "reqd": 0
   }, 
   {
@@ -118,8 +120,9 @@
    "read_only": 1
   }
  ], 
+ "hide_toolbar": 1, 
  "issingle": 1, 
- "modified": "2014-07-11 15:01:47.133918", 
+ "modified": "2014-07-17 19:07:34.385854", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Payment Reconciliation", 
diff --git a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
index fc1ff24..be53aca 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
+++ b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
@@ -12,32 +12,42 @@
 
 class PaymentReconciliation(Document):
 	def get_unreconciled_entries(self):
-		jv_entries = self.get_jv_entries()
-		self.add_payment_entries(jv_entries)
-		invoice_entries = self.get_invoice_entries()
-		
-		self.add_invoice_entries(invoice_entries)
+		self.get_jv_entries()
+		self.get_invoice_entries()
 
 	def get_jv_entries(self):
-		self.check_mandatory()
-
-		dr_or_cr = "credit" if self.party_type == "Customer" else "debit" 
-
+		self.check_mandatory_to_fetch()
+		dr_or_cr = "credit" if self.party_type == "Customer" else "debit"
 		cond = self.check_condition(dr_or_cr)
 
+		bank_account_condition = "t2.against_account like %(bank_cash_account)s" \
+				if self.bank_cash_account else "1=1"
+
 		jv_entries = frappe.db.sql("""
 			select
 				t1.name as voucher_no, t1.posting_date, t1.remark, t2.account, 
-				t2.name as voucher_detail_no,  t2.%s, t2.is_advance
+				t2.name as voucher_detail_no,  t2.{dr_or_cr}, t2.is_advance
 			from
 				`tabJournal Voucher` t1, `tabJournal Voucher Detail` t2
 			where
-				t1.name = t2.parent and t1.docstatus = 1 and t2.account = %s 
-				and t2.%s > 0 and ifnull(t2.against_voucher, '')='' and ifnull(t2.against_invoice, '')='' 
-				and ifnull(t2.against_jv, '')='' %s
-			group by t1.name, t2.name """ % (dr_or_cr, '%s', dr_or_cr, cond), (self.party_account), 
-			as_dict = True)
-		return jv_entries
+				t1.name = t2.parent and t1.docstatus = 1 and t2.account = %(party_account)s
+				and t2.{dr_or_cr} > 0 and ifnull(t2.against_voucher, '')='' and ifnull(t2.against_invoice, '')='' 
+				and ifnull(t2.against_jv, '')='' {cond} 
+				and (CASE
+					WHEN t1.voucher_type in ('Debit Note', 'Credit Note')
+					THEN 1=1
+					ELSE {bank_account_condition}
+				END)
+			group by t1.name, t2.name """.format(**{
+				"dr_or_cr": dr_or_cr,
+				"cond": cond,
+				"bank_account_condition": bank_account_condition
+			}), {
+				"party_account": self.party_account,
+				"bank_cash_account": "%%%s%%" % self.bank_cash_account
+			}, as_dict=1)
+
+		self.add_payment_entries(jv_entries)
 
 	def add_payment_entries(self, jv_entries):
 		self.set('payment_reconciliation_payments', [])
@@ -48,14 +58,12 @@
 			ent.amount = flt(e.get('credit')) or flt(e.get('debit'))
 			ent.remark = e.get('remark')
 			ent.voucher_detail_number = e.get('voucher_detail_no')
+			ent.is_advance = e.get('is_advance')
 
 	def get_invoice_entries(self):
 		#Fetch JVs, Sales and Purchase Invoices for 'payment_reconciliation_invoices' to reconcile against
 		non_reconciled_invoices = []
-		self.check_mandatory()
-
 		dr_or_cr = "debit" if self.party_type == "Customer" else "credit"
-
 		cond = self.check_condition(dr_or_cr)
 
 		invoice_list = frappe.db.sql("""
@@ -65,7 +73,7 @@
 				`tabGL Entry`
 			where
 				account = %s and ifnull(%s, 0) > 0 %s
-			group by voucher_no, voucher_type""" % (dr_or_cr, "%s", 
+			group by voucher_no, voucher_type""" % (dr_or_cr, '%s', 
 				dr_or_cr, cond), (self.party_account), as_dict=True)
 
 		for d in invoice_list:
@@ -75,27 +83,30 @@
 				from
 					`tabGL Entry`
 				where
-					account = %s and against_voucher_type = %s and ifnull(against_voucher, '') = %s""",
-					(("credit" if self.party_type == "Customer" else "debit"), self.party_account, 
-						d.voucher_type, d.voucher_no))  
-			
+					account = %s and against_voucher_type = %s and ifnull(against_voucher, '') = %s""" %
+					(("credit" if self.party_type == "Customer" else "debit"), '%s', '%s', '%s'), 
+					(self.party_account, d.voucher_type, d.voucher_no)) 
+
 			payment_amount = payment_amount[0][0] if payment_amount else 0
 
 			if d.amount > payment_amount:
-				non_reconciled_invoices.append({'voucher_no': d.voucher_no, 
+				non_reconciled_invoices.append({
+					'voucher_no': d.voucher_no, 
 					'voucher_type': d.voucher_type, 
 					'posting_date': d.posting_date, 
 					'amount': flt(d.amount), 
 					'outstanding_amount': d.amount - payment_amount})
 
-			return non_reconciled_invoices
+		self.add_invoice_entries(non_reconciled_invoices)
 
 
 	def add_invoice_entries(self, non_reconciled_invoices):
 		#Populate 'payment_reconciliation_invoices' with JVs and Invoices to reconcile against
 		self.set('payment_reconciliation_invoices', [])
 		if not non_reconciled_invoices:
-			return
+			frappe.throw(_("No invoices found to be reconciled"))
+
+
 		for e in non_reconciled_invoices:
 			ent = self.append('payment_reconciliation_invoices', {})
 			ent.invoice_type = e.get('voucher_type')
@@ -104,16 +115,64 @@
 			ent.amount = flt(e.get('amount'))
 			ent.outstanding_amount = e.get('outstanding_amount')
 
-	def check_mandatory(self):
-		pass
+	def reconcile(self, args):
+		self.get_invoice_entries()
+		self.validate_invoice()
+		dr_or_cr = "credit" if self.party_type == "Customer" else "debit"
+		lst = []
+		for e in self.get('payment_reconciliation_payments'):
+			lst.append({
+				'voucher_no' : e.journal_voucher,
+				'voucher_detail_no' : e.voucher_detail_number,
+				'against_voucher_type' : e.invoice_type,
+				'against_voucher'  : e.invoice_number,
+				'account' : self.party_account,
+				'is_advance' : e.is_advance,
+				'dr_or_cr' : dr_or_cr,
+				'unadjusted_amt' : flt(e.amount),
+				'allocated_amt' : flt(e.amount)
+			})
+
+		if lst:
+			from erpnext.accounts.utils import reconcile_against_document
+			reconcile_against_document(lst)
+			self.get_unreconciled_entries()
+			msgprint(_("Successfully Reconciled"))
+
+
+	def check_mandatory_to_fetch(self):
+		for fieldname in ["company", "party_account"]:
+			if not self.get(fieldname):
+				frappe.throw(_("Please select {0} first").format(self.meta.get_label(fieldname)))
+
+
+	def validate_invoice(self):
+		unreconciled_invoices = frappe._dict()
+		for d in self.get("payment_reconciliation_invoices"):
+			unreconciled_invoices.setdefault(d.invoice_type, {}).setdefault(d.invoice_number, d.outstanding_amount)
+
+		invoices_to_reconcile = []
+		for p in self.get("payment_reconciliation_payments"):
+			if p.invoice_type and p.invoice_number:
+				invoices_to_reconcile.append(p.invoice_number)
+
+				if p.invoice_number not in unreconciled_invoices.get(p.invoice_type):
+					frappe.throw(_("{0}: {1} not found in Invoice Details table")
+						.format(p.invoice_type, p.invoice_number))
+
+				if p.amount > unreconciled_invoices.get(p.invoice_type).get(p.invoice_number):
+					frappe.throw(_("Row {0}: Payment amount must be less than or equals to invoice outstanding amount").format(p.idx))
+
+		if not invoices_to_reconcile:
+			frappe.throw(_("Please select Invoice Type and Invoice Number in atleast one row"))
 
 	def check_condition(self, dr_or_cr):
 		cond = self.from_date and " and posting_date >= '" + self.from_date + "'" or ""
 		cond += self.to_date and " and posting_date <= '" + self.to_date + "'" or ""
 
 		if self.minimum_amount:
-			cond += (" and ifnull(%s), 0) >= %s") % (dr_or_cr, self.minimum_amount) 
+			cond += " and ifnull(%s, 0) >= %s" % (dr_or_cr, self.minimum_amount) 
 		if self.maximum_amount:
 			cond += " and ifnull(%s, 0) <= %s" % (dr_or_cr, self.maximum_amount)
 
-		return cond
\ No newline at end of file
+		return cond 
\ No newline at end of file
diff --git a/erpnext/accounts/doctype/payment_reconciliation_invoice/payment_reconciliation_invoice.json b/erpnext/accounts/doctype/payment_reconciliation_invoice/payment_reconciliation_invoice.json
index 008b326..fba5f4e 100644
--- a/erpnext/accounts/doctype/payment_reconciliation_invoice/payment_reconciliation_invoice.json
+++ b/erpnext/accounts/doctype/payment_reconciliation_invoice/payment_reconciliation_invoice.json
@@ -18,6 +18,7 @@
    "fieldtype": "Data", 
    "in_list_view": 1, 
    "label": "Invoice Number", 
+   "options": "", 
    "permlevel": 0, 
    "read_only": 1
   }, 
@@ -47,7 +48,7 @@
   }
  ], 
  "istable": 1, 
- "modified": "2014-07-09 17:15:00.069551", 
+ "modified": "2014-07-17 15:52:28.820965", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Payment Reconciliation Invoice", 
diff --git a/erpnext/accounts/doctype/payment_reconciliation_payment/payment_reconciliation_payment.json b/erpnext/accounts/doctype/payment_reconciliation_payment/payment_reconciliation_payment.json
index 231dfae..e939b02 100644
--- a/erpnext/accounts/doctype/payment_reconciliation_payment/payment_reconciliation_payment.json
+++ b/erpnext/accounts/doctype/payment_reconciliation_payment/payment_reconciliation_payment.json
@@ -43,17 +43,18 @@
   }, 
   {
    "fieldname": "invoice_number", 
-   "fieldtype": "Data", 
+   "fieldtype": "Select", 
    "in_list_view": 1, 
    "label": "Invoice Number", 
+   "options": "", 
    "permlevel": 0, 
    "reqd": 1
   }, 
   {
-   "fieldname": "remark", 
-   "fieldtype": "Text", 
-   "in_list_view": 1, 
-   "label": "Remark", 
+   "fieldname": "is_advance", 
+   "fieldtype": "Data", 
+   "hidden": 1, 
+   "label": "Is Advance", 
    "permlevel": 0, 
    "read_only": 1
   }, 
@@ -65,10 +66,18 @@
    "label": "Voucher Detail Number", 
    "permlevel": 0, 
    "read_only": 1
+  }, 
+  {
+   "fieldname": "remark", 
+   "fieldtype": "Small Text", 
+   "in_list_view": 1, 
+   "label": "Remark", 
+   "permlevel": 0, 
+   "read_only": 1
   }
  ], 
  "istable": 1, 
- "modified": "2014-07-14 16:48:45.875052", 
+ "modified": "2014-07-17 18:32:25.230146", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Payment Reconciliation Payment",