feat: E-WayBill for Subcontracting (#2210)

* fix: options for child_doctype not ending with Item

* fix: custom fields and overrides for tax related fields in stock entry

* fix: custom fields and overrides for tax related fields in subcontracting receipt

* fix: custom fields and overrides for tax related fields in subcontracting order

* fix: doctypes to be treated as sales_doctype

* fix: redundant functionality

* feat: e-waybill setup in stock entry

* feat: e-waybill setup in subcontracting receipt

* feat: e-waybill setup in subcontracting order

* fix: required changes for e-waybill setup

* fix: minor fix

* test: test case to validate e-waybill generation in stock entry

* fix: updated doctypes for e-waybill generation

* fix: field renaming

* fix: e-waybill functionality not required in subcontracting order

* fix: constant for subcontracting doctypes

* fix: different function for subcontracting doctypes

* fix: minor fix

* fix: custom field refactor

* fix: use stock_entry_purpose

* fix: invalid hooks

* fix: consistent with items table

* fix: company gstin fetched from company

* fix: change in transporter fields

* fix: common class for tax calculation

* fix: new class for taxes controller

* fix: common functions for doctype events

* fix: taxes in subcontracting receipt dosen't depend on purchase_order

* fix: module for backend validations

* fix: changes related to e-waybill

* fix: minor fixes

* fix: grand total field added and client-side events

* refactor: improved readability

* fix: validate same gstin

* fix: change in fieldname

* fix: changes related to address for e-waybill

* fix: query for taxes and charges

* fix: changes as per review

* fix: update patch for custom field creation

* fix: linters

* fix: Merge branch 'develop' of github.com:resilient-tech/india-compliance into e-way_bill_for_subcontracting

* fix: set item wise tax rates

* refactor: remove code duplicacy

* fix: fields not at item level in some doctypes

* fix: updated test records

* fix: skip validation for subcontracting doctypes

* fix: rename taxes table

* fix: changes to support gst tax type

* refactor: modular implementation

* fix: fields reordering

* fix: modular implementation for consistency with BOE

* fix: taxes not calculated properly

* fix: field_map should be instance variable and update tax_amount properly

* fix: override doctype class not to be used

* fix: commonify subcontracting overrides

* refactor: taxes controller, similar for frontend and backend

* chore: move item events in respective client script files

* fix: gst_tax_type not set in taxes table

* fix: use grand total field as rounding not done

* fix: redundant field

* fix: e_waybill fields for subcontracting order not required

* fix: update doc from server_side

* fix: changes to taxes controller as per review

* fix: error message, formatting, correct query for subcontracting e-Waybill

* fix: extensible address fields for stock entry and related changes

* fix: minor fix

* fix: set bill_from_address value when company changes

* fix: address displays should be virtual field

* fix: review and make fixes for property setters and fields

* fix: changes as per review

* fix: changes as per reivew in JS

* fix: changes to transaction validation as per review

* fix: style for text_editor

* fix: update all address fields

* fix: fields mapping for modular implementation

* fix: update gst details on change of supplier

* fix: minor fixes for e-waybill generation

* fix: fetch party details on change of supplier

* fix: load tax details correctly in subcontracting transactions

* fix: changes to validate subcontracting transaction

* fix: use correct gst category for stock entry

* fix: changes as per review with testing

* test: fix failing test cases

* fix: dashboard links related to e-Waybill

* fix: updated test records of e-Waybill for stock entry

* test: better error messages and ensure test cases pass

---------

Co-authored-by: ljain112 <ljain112@gmail.com>
Co-authored-by: Smit Vora <smitvora203@gmail.com>
(cherry picked from commit 48ca23d)

# Conflicts:
#	india_compliance/gst_india/doctype/e_waybill_log/e_waybill_log.json
#	india_compliance/gst_india/utils/e_waybill.py

india_compliance/gst_india/client_scripts/e_waybill_actions.js

@@ -5,6 +5,8 @@ const E_WAYBILL_CLASS = {
     "Purchase Invoice": PurchaseInvoiceEwaybill,
     "Delivery Note": DeliveryNoteEwaybill,
     "Purchase Receipt": PurchaseReceiptEwaybill,
+    "Stock Entry": StockEntryEwaybill,
+    "Subcontracting Receipt": SubcontractingReceiptEwaybill,
 };
 
 function setup_e_waybill_actions(doctype) {
@@ -286,9 +288,9 @@ function show_generate_e_waybill_dialog(frm) {
                 api_enabled && frm.doc.doctype ? __("Download JSON") : null,
             secondary_action: api_enabled
                 ? () => {
-                    d.hide();
-                    json_action(d.get_values());
-                }
+                      d.hide();
+                      json_action(d.get_values());
+                  }
                 : null,
         },
         frm
@@ -375,7 +377,6 @@ function get_generate_e_waybill_dialog(opts, frm) {
                     ? frm.doc.gst_transporter_id
                     : "",
             onchange: () => validate_gst_transporter_id(d),
-
         },
         // Sub Supply Type will be visible here for Delivery Note
         {
@@ -431,36 +432,17 @@ function get_generate_e_waybill_dialog(opts, frm) {
         },
     ];
 
-    if (frm.doctype === "Delivery Note") {
-        const same_gstin = frm.doc.billing_address_gstin == frm.doc.company_gstin;
-        let options;
-
-        if (frm.doc.is_return) {
-            if (same_gstin) {
-                options = ["For Own Use", "Exhibition or Fairs"];
-            } else {
-                options = ["Job Work Returns", "SKD/CKD"];
-            }
-        } else {
-            if (same_gstin) {
-                options = [
-                    "For Own Use",
-                    "Exhibition or Fairs",
-                    "Line Sales",
-                    "Recipient Not Known",
-                ];
-            } else {
-                options = ["Job Work", "SKD/CKD"];
-            }
-        }
+    options = get_sub_suppy_type_options(frm);
 
+    if (options) {
         // Inserted at the end of Part A section
         fields.splice(5, 0, {
             label: "Sub Supply Type",
             fieldname: "sub_supply_type",
             fieldtype: "Select",
             options: options.join("\n"),
             default: options[0],
+            read_only: options.length === 1,
             reqd: 1,
         });
     }
@@ -498,6 +480,43 @@ function get_generate_e_waybill_dialog(opts, frm) {
     return d;
 }
 
+function get_sub_suppy_type_options(frm) {
+    let options;
+
+    if (frm.doctype === "Delivery Note") {
+        const same_gstin = frm.doc.billing_address_gstin == frm.doc.company_gstin;
+
+        if (frm.doc.is_return) {
+            if (same_gstin) {
+                options = ["For Own Use", "Exhibition or Fairs"];
+            } else {
+                options = ["Job Work Returns", "SKD/CKD"];
+            }
+        } else {
+            if (same_gstin) {
+                options = [
+                    "For Own Use",
+                    "Exhibition or Fairs",
+                    "Line Sales",
+                    "Recipient Not Known",
+                ];
+            } else {
+                options = ["Job Work", "SKD/CKD"];
+            }
+        }
+    } else if (frm.doctype === "Stock Entry") {
+        options = ["Job Work"];
+    } else if (frm.doctype === "Subcontracting Receipt") {
+        if (frm.doc.is_return) {
+            options = ["Job Work"];
+        } else {
+            options = ["Job Work Returns"];
+        }
+    }
+
+    return options;
+}
+
 function show_fetch_if_generated_dialog(frm) {
     const d = new frappe.ui.Dialog({
         title: __("Fetch e-Waybill"),
@@ -811,7 +830,7 @@ function show_update_transporter_dialog(frm) {
                 reqd: 1,
                 default:
                     frm.doc.gst_transporter_id &&
-                        frm.doc.gst_transporter_id.length == 15
+                    frm.doc.gst_transporter_id.length === 15
                         ? frm.doc.gst_transporter_id
                         : "",
                 onchange: () => validate_gst_transporter_id(d),
@@ -1022,7 +1041,7 @@ async function show_extend_validity_dialog(frm) {
                 },
                 callback: () => frm.refresh(),
             });
-            d.hide();
+            if (can_extend_now) d.hide();
         },
     });
     if (!can_extend_now) {
@@ -1162,7 +1181,9 @@ async function update_gst_tranporter_id(dialog) {
 }
 
 function validate_gst_transporter_id(dialog) {
-    india_compliance.validate_gst_transporter_id(dialog.get_value("gst_transporter_id"));
+    india_compliance.validate_gst_transporter_id(
+        dialog.get_value("gst_transporter_id")
+    );
 }
 
 function update_generation_dialog(dialog, doc) {

india_compliance/gst_india/client_scripts/e_waybill_applicability.js

@@ -24,6 +24,19 @@ class EwaybillApplicability {
         }
 
         // at least one item is not a service
+        is_ewb_applicable = this.has_goods_item(is_ewb_applicable, message_list);
+
+        this.frm._ewb_message = "";
+        if (show_message) {
+            this.frm._ewb_message = message_list
+                .map(message => `<li>${message}</li>`)
+                .join("");
+        }
+
+        return is_ewb_applicable;
+    }
+
+    has_goods_item(is_ewb_applicable, message_list) {
         let has_goods_item = false;
         for (const item of this.frm.doc.items) {
             if (
@@ -41,13 +54,6 @@ class EwaybillApplicability {
             message_list.push("All items are service items (HSN code starts with 99).");
         }
 
-        this.frm._ewb_message = "";
-        if (show_message) {
-            this.frm._ewb_message = message_list
-                .map(message => `<li>${message}</li>`)
-                .join("");
-        }
-
         return is_ewb_applicable;
     }
 
@@ -232,3 +238,110 @@ class DeliveryNoteEwaybill extends EwaybillApplicability {
         );
     }
 }
+
+class StockEntryEwaybill extends EwaybillApplicability {
+    is_e_waybill_applicable(show_message = false) {
+        if (
+            !gst_settings.enable_e_waybill ||
+            !gst_settings.enable_e_waybill_for_sc ||
+            this.frm.doc.purpose !== "Send to Subcontractor"
+        )
+            return false;
+
+        let is_ewb_applicable = true;
+        let message_list = [];
+
+        if (!this.frm.doc.bill_from_gstin) {
+            is_ewb_applicable = false;
+            message_list.push(
+                "Bill From GSTIN is not set. Ensure its set in Bill From Address."
+            );
+        }
+
+        if (this.frm.doc.is_opening === "Yes") {
+            is_ewb_applicable = false;
+            message_list.push(
+                "e-Waybill cannot be generated for transaction with 'Is Opening Entry' set to Yes."
+            );
+        }
+
+        // at least one item is not a service
+        is_ewb_applicable = this.has_goods_item(is_ewb_applicable, message_list);
+
+        this.frm._ewb_message = "";
+
+        if (show_message) {
+            this.frm._ewb_message = message_list
+                .map(message => `<li>${message}</li>`)
+                .join("");
+        }
+
+        return is_ewb_applicable;
+    }
+
+    is_e_waybill_generatable(show_message = false) {
+        let is_ewb_generatable = this.is_e_waybill_applicable(show_message);
+
+        let message_list = [];
+
+        if (!this.frm.doc.bill_to_address) {
+            is_ewb_generatable = false;
+            message_list.push("Bill To address is mandatory to generate e-Waybill.");
+        }
+
+        if (this.frm.doc.bill_from_gstin === this.frm.doc.bill_to_gstin) {
+            is_ewb_generatable = false;
+            message_list.push("Bill From GSTIN and Bill To GSTIN are same.");
+        }
+
+        if (show_message) {
+            this.frm._ewb_message += message_list
+                .map(message => `<li>${message}</li>`)
+                .join("");
+        }
+
+        return is_ewb_generatable;
+    }
+
+    is_e_waybill_api_enabled() {
+        return (
+            this.frm.doc.purpose == "Send to Subcontractor" &&
+            super.is_e_waybill_api_enabled() &&
+            gst_settings.enable_e_waybill_for_sc
+        );
+    }
+}
+
+class SubcontractingReceiptEwaybill extends EwaybillApplicability {
+    is_e_waybill_applicable(show_message = false) {
+        return (
+            super.is_e_waybill_applicable(show_message) &&
+            gst_settings.enable_e_waybill_for_sc
+        );
+    }
+
+    is_e_waybill_generatable(show_message = false) {
+        let is_ewb_generatable = this.is_e_waybill_applicable(show_message);
+
+        let message_list = [];
+
+        if (!this.frm.doc.supplier_address) {
+            is_ewb_generatable = false;
+            message_list.push(
+                "Supplier addresss is mandatory for e-waybill generation."
+            );
+        }
+
+        if (show_message) {
+            this.frm._ewb_message += message_list
+                .map(message => `<li>${message}</li>`)
+                .join("");
+        }
+
+        return is_ewb_generatable;
+    }
+
+    is_e_waybill_api_enabled() {
+        return super.is_e_waybill_api_enabled() && gst_settings.enable_e_waybill_for_sc;
+    }
+}