feat(mongodb): implement count MWL items

api/dicom-web/controller/MWL-RS/count-mwlItem.js

@@ -0,0 +1,39 @@
+const { ApiErrorArrayHandler } = require("@error/api-errors.handler");
+const { Controller } = require("@root/api/controller.class");
+const { ApiLogger } = require("@root/utils/logs/api-logger");
+const { GetMwlItemCountService } = require("./service/count-mwlItem.service");
+
+class GetMwlItemCountController extends Controller {
+    constructor(req, res) {
+        super(req, res);
+        this.apiLogger = new ApiLogger(this.request, "MWL-RS");
+    }
+
+    async mainProcess() {
+        try {
+            let getMwlItemCountService = new GetMwlItemCountService(this.request, this.response);
+            let count = await getMwlItemCountService.getMwlItemCount();
+            return this.response
+                   .set("Content-Type", "application/dicom+json")
+                   .status(200)
+                   .json({
+                        count
+                   });
+
+        } catch (e) {
+            let apiErrorArrayHandler = new ApiErrorArrayHandler(this.response, this.apiLogger, e);
+            return apiErrorArrayHandler.doErrorResponse();
+        }
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+module.exports = async function (req, res) {
+    let controller = new GetMwlItemCountController(req, res);
+
+    await controller.doPipeline();
+};

api/dicom-web/controller/MWL-RS/service/count-mwlItem.service.js

@@ -0,0 +1,15 @@
+const { MwlItemModel } = require("@models/mongodb/models/mwlitems.model");
+const { BaseQueryService } = require("@root/api/dicom-web/service/base-query.service");
+
+class GetMwlItemCountService extends BaseQueryService {
+    constructor(req, res) {
+        super(req, res);
+    }
+
+    async getMwlItemCount() {
+
+        return await MwlItemModel.getCount(this.query);
+    }
+}
+
+module.exports.GetMwlItemCountService = GetMwlItemCountService;

api/dicom-web/mwl-rs.route.js

@@ -56,4 +56,26 @@ router.post("/mwlitems",
  */
 router.get("/mwlitems",require("./controller/MWL-RS/get-mwlItem"));
 
+/**
+ *  @openapi
+ *  /dicom-web/mwlitems/count:
+ *    get:
+ *      tags:
+ *        - MWL-RS
+ *      description: >
+ *          This transaction get Modality WorkList items count.
+ *      parameters:
+ *        - $ref: "#/components/parameters/filter"
+ *      responses:
+ *        "200":
+ *           description: Query successfully
+ *           content:
+ *             "application/dicom+json":
+ *                 schema:
+ *                     properties:
+ *                         count:
+ *                             type: number
+ */
+router.get("/mwlitems/count",require("./controller/MWL-RS/count-mwlItem"));
+
 module.exports = router;

models/mongodb/models/mwlitems.model.js

@@ -47,6 +47,9 @@ let mwlItemSchema = new mongoose.Schema(
             getDicomJsonProjection: function (includeFields) {
                 let includeFieldsFactory = new IncludeFieldsFactory(includeFields);
                 return includeFieldsFactory.getMwlLevelFields();
+            },
+            getCount: async function (query) {
+                return await mongoose.model("mwlItems").countDocuments(query);
             }
         },
         methods: {