CORE - Mostrar el numero total de seguimientos filtrados en el buscador

api-tool/src/index.ts

@@ -10,6 +10,7 @@ export function apiOptions(req: ERequest): IOptions {
     options.skip = req.query.skip ? parseInt(req.query.skip as string, 10) : null;
     options.sort = req.query.sort as string;
     options.populate = req.query.populate as string;
+    options.total = req.query.total as string;
     return options;
 }
 
@@ -34,6 +35,7 @@ export interface IOptions {
     limit?: number;
     sort?: string;
     populate?: string;
+    total?: string;
 }
 
 export interface Request extends ERequest {

core/src/model-builder/index.ts

@@ -163,11 +163,12 @@ export abstract class ResourceBase<T extends Document = any> {
         const preconditions = await this.presearch(data, req);
         const conditions = MongoQuery.buildQuery(data, this.searchFileds);
         options = options || {};
-        const { fields, skip, limit, sort, populate } = options;
+        const { fields, skip, limit, sort, populate, total } = options;
         let query = this.Model.find({
             ...preconditions,
             ...conditions
         });
+        let response;
 
         if (fields) {
             query.select(fields);
@@ -184,8 +185,25 @@ export abstract class ResourceBase<T extends Document = any> {
         if (populate) {
             query.populate(populate);
         }
-
-        return await this.Model.find(query);
+        if (total) {
+            const queryPromises = [this.Model.find(query)];
+            if (skip === 0) {
+                delete query.options;
+                queryPromises.push(this.Model.find(query).count());
+            }
+            const [results, total] = await Promise.all(queryPromises);
+            response = {
+                pagination: {
+                    offset: skip,
+                    limit: limit,
+                    total: total
+                },
+                data: results
+            };
+        } else {
+            response = await this.Model.find(query);
+        }
+        return response;
     }
 
     public async findOne(data: any, options: IOptions = {}, req: Request = null) {