pagination ok

swarmlab-app/src/run/app.js

@@ -134,15 +134,8 @@ app.get("/test2", cors(corsOptions), (req, res) => {
   var sorttmp1 = sort.split("|");
   var sortname = sorttmp1[0];
   var sortorder = sorttmp1[1];
+  console.log("TEST LOG");
 
-  console.error(
-    "Sort: " +
-      sort +
-      "\n Sort Name: " +
-      sortname +
-      "\n Sort Order: " +
-      sortorder
-  );
   var url = "mongodb://mongo:27017/";
   var jsonfinal = [];
   MongoClient.connect(url, function (err, db) {
@@ -187,8 +180,55 @@ app.get("/test2", cors(corsOptions), (req, res) => {
             }
           });
         }
+        //Pagination
+        var total = jsonfinal.length;
+        var perpage = per_page;
+        var lastpage = total / perpage;
+        if (lastpage <= 1) {
+          lastpage = 1;
+        } else {
+          lastpage++;
+        }
+        lastpage = Math.trunc(lastpage);
+        var next = page + 1;
+        if (next >= lastpage) {
+          next = lastpage;
+        }
+        var prev = page - 1;
+        if (prev == 0) {
+          prev = 1;
+        }
+        var from = (page - 1) * perpage + 1;
+        var to = perpage * page;
+        var mypage = new Object();
+        var links = `
+              {
+                    "pagination": {
+                            "total": ${total},
+                            "per_page": ${perpage},
+                            "current_page": ${page},
+                            "last_page": ${lastpage},
+                            "next_page_url": "?page=${next}",
+                            "prev_page_url": "?page=${prev}",
+                            "from": ${from},
+                            "to": ${to},
+                            "frommongo": ${from},
+                            "tomongo": ${to}
+                          }
+                  }
+                `;
+        mypage.links = JSON.parse(links);
+        from--;
+        mypage.data = jsonfinal.slice(from, to);
+        var RES = new Object();
+        RES.code = req.query["action"];
+        RES.token = req.query["token"];
+        RES.error = false;
+        RES.error_msg = "ok";
+        RES.data = mypage;
+
         // console.log("Sending Data: " + jsonfinal);
-        res.json(jsonfinal);
+        res.json(RES.data);
         db.close();
       });
   });