Adds javascript function to merge multiple stock items together

InvenTree/templates/js/translated/stock.js

@@ -52,6 +52,7 @@
     loadStockTestResultsTable,
     loadStockTrackingTable,
     loadTableFilters,
+    mergeStockItems,
     removeStockRow,
     serializeStockItem,
     stockItemFields,
@@ -595,7 +596,7 @@ function assignStockToCustomer(items, options={}) {
         buttons += '</div>';
 
         html += `
-            <tr id='stock_item_${pk}' class='stock-item'row'>
+        <tr id='stock_item_${pk}' class='stock-item-row'>
             <td id='part_${pk}'>${thumbnail} ${part.full_name}</td>
             <td id='stock_${pk}'>
                 <div id='div_id_items_item_${pk}'>
@@ -615,13 +616,13 @@ function assignStockToCustomer(items, options={}) {
         method: 'POST',
         preFormContent: html,
         fields: {
-            'customer': {
+            customer: {
                 value: options.customer,
                 filters: {
                     is_customer: true,
                 },
             },
-            'notes': {},
+            notes: {},
         },
         confirm: true,
         confirmMessage: '{% trans "Confirm stock assignment" %}',
@@ -694,6 +695,184 @@ function assignStockToCustomer(items, options={}) {
 }
 
 
+/**
+ * Merge multiple stock items together
+ */
+function mergeStockItems(items, options={}) {
+
+    // Generate HTML content for the form
+    var html = `
+    <div class='alert alert-block alert-danger'>
+    <h5>{% trans "Warning: Merge operation cannot be reversed" %}</h5>
+    <strong>{% trans "Some information will be lost when merging stock items" %}:</strong>
+    <ul>
+        <li>{% trans "Stock transaction history will be deleted for merged items" %}</li>
+        <li>{% trans "Supplier part information will be deleted for merged items" %}</li>
+    </ul>
+    </div>
+    `;
+
+    html += `
+    <table class='table table-striped table-condensed' id='stock-merge-table'>
+    <thead>
+        <tr>
+            <th>{% trans "Part" %}</th>
+            <th>{% trans "Stock Item" %}</th>
+            <th>{% trans "Location" %}</th>
+            <th></th>
+        </tr>
+    </thead>
+    <tbody>
+    `;
+
+    // Keep track of how many "locations" there are
+    var locations = [];
+
+    for (var idx = 0; idx < items.length; idx++) {
+        var item = items[idx];
+
+        var pk = item.pk;
+
+        if (item.location && !locations.includes(item.location)) {
+            locations.push(item.location);
+        }
+
+        var part = item.part_detail;
+        var location = locationDetail(item, false);
+
+        var thumbnail = thumbnailImage(part.thumbnail || part.image);
+
+        var quantity = '';
+
+        if (item.serial && item.quantity == 1) {
+            quantity = `{% trans "Serial" %}: ${item.serial}`;
+        } else {
+            quantity = `{% trans "Quantity" %}: ${item.quantity}`;
+        }
+
+        quantity += stockStatusDisplay(item.status, {classes: 'float-right'});
+
+        var buttons = `<div class='btn-group' role='group'>`;
+
+        buttons += makeIconButton(
+            'fa-times icon-red',
+            'button-stock-item-remove',
+            pk,
+            '{% trans "Remove row" %}',
+        );
+
+        html += `
+        <tr id='stock_item_${pk}' class='stock-item-row'>
+            <td id='part_${pk}'>${thumbnail} ${part.full_name}</td>
+            <td id='stock_${pk}'>
+                <div id='div_id_items_item_${pk}'>
+                    ${quantity}
+                    <div id='errors-items_item_${pk}'></div>
+                </div>
+            </td>
+            <td id='location_${pk}'>${location}</td>
+            <td id='buttons_${pk}'>${buttons}</td>
+        </tr>
+        `;
+    }
+
+    html += '</tbody></table>';
+
+    var location = locations.length == 1 ? locations[0] : null;
+
+    constructForm('{% url "api-stock-merge" %}', {
+        method: 'POST',
+        preFormContent: html,
+        fields: {
+            location: {
+                value: location,
+                icon: 'fa-sitemap',
+            },
+            notes: {},
+            allow_mismatched_suppliers: {},
+            allow_mismatched_status: {},
+        },
+        confirm: true,
+        confirmMessage: '{% trans "Confirm stock item merge" %}',
+        title: '{% trans "Merge Stock Items" %}',
+        afterRender: function(fields, opts) {
+            // Add button callbacks to remove rows
+            $(opts.modal).find('.button-stock-item-remove').click(function() {
+                var pk = $(this).attr('pk');
+
+                $(opts.modal).find(`#stock_item_${pk}`).remove();
+            });
+        },
+        onSubmit: function(fields, opts) {
+
+            // Extract data elements from the form
+            var data = {
+                items: [],
+            };
+
+            var item_pk_values = [];
+
+            items.forEach(function(item) {
+                var pk = item.pk;
+
+                // Does the row still exist in the form?
+                var row = $(opts.modal).find(`#stock_item_${pk}`);
+
+                if (row.exists()) {
+                    item_pk_values.push(pk);
+
+                    data.items.push({
+                        item: pk,
+                    });
+                }
+            });
+
+            var extra_fields = [
+                'location',
+                'notes',
+                'allow_mismatched_suppliers',
+                'allow_mismatched_status',
+            ];
+
+            extra_fields.forEach(function(field) {
+                data[field] = getFormFieldValue(field, fields[field], opts);
+            });
+
+            opts.nested = {
+                'items': item_pk_values
+            };
+
+            // Submit the form data
+            inventreePut(
+                '{% url "api-stock-merge" %}',
+                data,
+                {
+                    method: 'POST',
+                    success: function(response) {
+                        $(opts.modal).modal('hide');
+
+                        if (options.success) {
+                            options.success(response);
+                        }
+                    },
+                    error: function(xhr) {
+                        switch (xhr.status) {
+                        case 400:
+                            handleFormErrors(xhr.responseJSON, fields, opts);
+                            break;
+                        default:
+                            $(opts.modal).modal('hide');
+                            showApiError(xhr, opts.url);
+                            break;
+                        }
+                    }
+                }
+            )
+        }
+    });
+}
+
+
 /**
  * Perform stock adjustments
  */
@@ -1875,6 +2054,20 @@ function loadStockTable(table, options) {
         stockAdjustment('move');
     });
 
+    $('#multi-item-merge').click(function() {
+        var items = $(table).bootstrapTable('getSelections');
+
+        mergeStockItems(items, {
+            success: function(response) {
+                $(table).bootstrapTable('refresh');
+
+                showMessage('{% trans "Merged stock items" %}', {
+                    style: 'success',
+                });
+            }
+        });
+    });
+
     $('#multi-item-assign').click(function() {
 
         var items = $(table).bootstrapTable('getSelections');

InvenTree/templates/stock_table.html

@@ -49,6 +49,7 @@
                     <li><a class='dropdown-item' href="#" id='multi-item-remove' title='{% trans "Remove from selected stock items" %}'><span class='fas fa-minus-circle'></span> {% trans "Remove stock" %}</a></li>
                     <li><a class='dropdown-item' href="#" id='multi-item-stocktake' title='{% trans "Stocktake selected stock items" %}'><span class='fas fa-check-circle'></span> {% trans "Count stock" %}</a></li>
                     <li><a class='dropdown-item' href='#' id='multi-item-move' title='{% trans "Move selected stock items" %}'><span class='fas fa-exchange-alt'></span> {% trans "Move stock" %}</a></li>
+                    <li><a class='dropdown-item' href='#' id='multi-item-merge' title='{% trans "Merge selected stock items" %}'><span class='fas fa-object-group'></span> {% trans "Merge stock" %}</a></li>
                     <li><a class='dropdown-item' href='#' id='multi-item-order' title='{% trans "Order selected items" %}'><span class='fas fa-shopping-cart'></span> {% trans "Order stock" %}</a></li>
                     <li><a class='dropdown-item' href='#' id='multi-item-assign' title='{% trans "Assign to customer" %}'><span class='fas fa-user-tie'></span> {% trans "Assign to customer" %}</a></li>
                     <li><a class='dropdown-item' href='#' id='multi-item-set-status' title='{% trans "Change status" %}'><span class='fas fa-exclamation-circle'></span> {% trans "Change stock status" %}</a></li>