fix(Medication): enable tree view

healthcare/healthcare/doctype/medication/medication.js

@@ -13,6 +13,18 @@ frappe.ui.form.on('Medication', {
 				}
 			};
 		});
+
+		if (!frm.is_new()) {
+			frm.add_custom_button(
+				__("Browse Medication"),
+				function () {
+					frappe.route_options = {
+						medication: frm.doc.name,
+					};
+					frappe.set_route("Tree", "Medication");
+				},
+			);
+		}
 	}
 });
 

healthcare/healthcare/doctype/medication/medication.py

@@ -126,3 +126,42 @@ def change_item_code_from_medication(item_code, doc):
 		rename_doc("Item", doc.item_code, item_code, ignore_permissions=True)
 		frappe.db.set_value("Medication", doc.name, "item_code", item_code)
 	return
+
+
+@frappe.whitelist()
+def get_children(parent=None, is_root=False, **filters):
+	if not parent or parent == "Medication":
+		frappe.msgprint(_("Please select a Medication"))
+		return
+
+	if parent:
+		frappe.form_dict.parent = parent
+
+	if frappe.form_dict.parent:
+		medication_doc = frappe.get_cached_doc("Medication", frappe.form_dict.parent)
+		frappe.has_permission("Medication", doc=medication_doc, throw=True)
+
+		medication_items = frappe.get_all(
+			"Medication Linked Item",
+			fields=["item as item_code", "rate"],
+			filters=[["parent", "=", frappe.form_dict.parent]],
+			order_by="idx",
+		)
+
+		item_names = tuple(d.get("item_code") for d in medication_items)
+
+		items = frappe.get_list(
+			"Item",
+			fields=["image", "description", "name", "stock_uom", "item_name"],
+			filters=[["name", "in", item_names]],
+		)  # to get only required item dicts
+
+		for medication_item in medication_items:
+			# extend medication_item dict with respective item dict
+			medication_item.update(
+				# returns an item dict from items list which matches with item_code
+				next(item for item in items if item.get("name") == medication_item.get("item_code"))
+			)
+			medication_item.image = frappe.db.escape(medication_item.image)
+
+		return medication_items

healthcare/healthcare/doctype/medication/medication_item_preview.html

@@ -0,0 +1,42 @@
+<div style="padding: 15px;">
+	<div class="row mb-5">
+		<div class="col-md-4" style="max-height: 500px">
+			{% if data.image && !["undefined", "''"].includes(data.image) %}
+				<div class="border image-field " style="overflow: hidden;border-color:#e6e6e6">
+					<img class="responsive" src={{ data.image }}>
+				</div>
+			{% endif %}
+		</div>
+		<div class="col-md-8 h-500">
+			{% if data.value && data.value != "Medication" %}
+			<h4>
+				{{ __("Medication Details") }}
+			</h4>
+			<div style="padding-top: 10px;">
+				<p>Class : {{ data.medication_class ? data.medication_class : "" }}</p>
+				<p>Strength : {{ data.strength ? data.strength : "" }}</p>
+				<p>UOM : {{ data.uom ? data.uom : "" }}</p>
+			</div>
+			{% endif %}
+			{% if data.item_code %}
+			<h4>
+				{{ __("Description") }}
+			</h4>
+			<div style="padding-top: 10px;">
+				{{ data.description }}
+			</div>
+			{% endif %}
+			<hr style="margin: 15px -15px;">
+			<p>
+				{% if data.value && data.value != "Medication" %}
+				<a style="margin-right: 7px; margin-bottom: 7px" class="btn btn-default btn-xs" href="/app/medication/{{ data.value }}">
+					{{ __("Open Medication {0}", [data.value.bold()]) }}</a>
+				{% endif %}
+				{% if data.item_code %}
+				<a style="margin-right: 7px; margin-bottom: 7px"  class="btn btn-default btn-xs" href="/app/item/{{ data.item_code }}">
+					{{ __("Open Item {0}", [data.item_code.bold()]) }}</a>
+				{% endif %}
+			</p>
+		</div>
+	</div>
+</div>

healthcare/healthcare/doctype/medication/medication_tree.js

@@ -0,0 +1,72 @@
+frappe.treeview_settings["Medication"] = {
+	get_tree_nodes: "healthcare.healthcare.doctype.medication.medication.get_children",
+	filters: [
+		{
+			fieldname: "medication",
+			fieldtype: "Link",
+			options: "Medication",
+			label: __("Medication"),
+		},
+	],
+	title: "Medication",
+	breadcrumb: "Healthcare",
+	disable_add_node: true,
+	root_label: "Medication", //fieldname from filters
+	get_tree_root: false,
+	show_expand_all: false,
+	get_label: function (node) {
+		return node.data.item_code || node.data.value;
+	},
+	onload: function (me) {
+		var label = frappe.get_route()[0] + "/" + frappe.get_route()[1];
+
+		if (frappe.pages[label]) {
+			delete frappe.pages[label];
+		}
+
+		var filter = me.opts.filters[0];
+		if (frappe.route_options && frappe.route_options[filter.fieldname]) {
+			var val = frappe.route_options[filter.fieldname];
+			delete frappe.route_options[filter.fieldname];
+			filter.default = "";
+			me.args[filter.fieldname] = val;
+			me.root_label = val;
+			me.page.set_title(val);
+		}
+		me.make_tree();
+	},
+	toolbar: [
+		{ toggle_btn: true },
+		{
+			label: __("Edit"),
+			condition: function (node) {
+				return node.expandable;
+			},
+			click: function (node) {
+				frappe.set_route("Form", "Medication", node.data.value);
+			},
+		},
+	],
+	menu_items: [
+		{
+			label: __("New Medication"),
+			action: function () {
+				frappe.new_doc("Medication", true);
+			},
+			condition: 'frappe.boot.user.can_create.indexOf("Medication") !== -1',
+		},
+	],
+	onrender: function (node) {
+		if (node.is_root && node.data.value != "Medication") {
+			frappe.model.with_doc("Medication", node.data.value, function () {
+				var medication = frappe.model.get_doc("Medication", node.data.value);
+				node.data.image = escape(medication.image) || "";
+				node.data.strength = medication.strength || "";
+				node.data.item_code = medication.item || "";
+				node.data.uom = medication.strength_uom || "";
+				node.data.medication_class = medication.medication_class || "";
+			});
+		}
+	},
+	view_template: "medication_item_preview",
+};