WEBVTT 00:00.440 --> 00:07.120 How everyone in this video I will show you one. 00:07.120 --> 00:21.040 More features will be the boss reactions okay and social media application will be have a reaction into 00:21.080 --> 00:23.000 specific posts. 00:23.040 --> 00:23.520 Right? 00:24.120 --> 00:27.680 Let's see how we can design the collection. 00:28.800 --> 00:29.280 Well. 00:30.240 --> 00:38.480 For example in later we have some boss like alter contents okay. 00:38.480 --> 00:40.200 And some properties over here. 00:42.240 --> 00:50.480 And how we can resize the document for the boss reaction, for example. 00:50.520 --> 00:54.760 Like that I will have a reaction with the array inside the array. 00:54.760 --> 01:00.470 Right here we will have a user id okay for first of all, I like that. 01:03.350 --> 01:03.950 And. 01:06.070 --> 01:10.990 You know the high possible line over here. 01:12.350 --> 01:12.710 Oh. 01:16.870 --> 01:17.470 Wow. 01:17.830 --> 01:18.390 Okay. 01:18.430 --> 01:18.790 Or. 01:19.270 --> 01:19.910 Haha. 01:20.550 --> 01:21.830 Okay, something like that. 01:23.190 --> 01:23.710 Okay. 01:24.350 --> 01:28.030 We can we use the regression line. 01:28.070 --> 01:28.870 That's one. 01:29.790 --> 01:32.750 But you can turn this good or not. 01:33.550 --> 01:42.350 Well for example it later with this post over here we have a 1 million reactions. 01:42.870 --> 01:53.510 It means inside the reaction over here we will duplicate, uh, we will have so many document in the 01:53.510 --> 01:54.350 reactions. 01:54.390 --> 01:54.950 Right. 01:56.990 --> 01:58.580 It may be Eliza. 01:58.620 --> 02:00.700 We will grow the reaction. 02:00.740 --> 02:01.220 Alright. 02:01.220 --> 02:03.180 Right here is very big. 02:06.300 --> 02:09.100 And that's clearly not good at all. 02:09.660 --> 02:10.220 Right. 02:10.980 --> 02:13.860 So for that reason with the reaction. 02:15.900 --> 02:19.300 We will not do that. 02:21.220 --> 02:22.100 We split up. 02:22.100 --> 02:26.300 We will separate it into another document. 02:27.580 --> 02:31.060 First of all I reaction over here okay. 02:33.020 --> 02:38.540 With the reaction over here we will have a boss ID right. 02:42.980 --> 02:45.660 Possible like one okay. 02:45.660 --> 02:49.740 We will refer to this part and we will have a user. 02:50.220 --> 02:50.580 Okay. 02:50.620 --> 02:54.340 First of all I use a tool okay. 02:54.380 --> 03:02.900 Use a tool reaction was one with a high grade like, okay, something like that. 03:03.140 --> 03:04.300 We will use. 03:08.500 --> 03:11.500 We will use in the narrative. 03:11.860 --> 03:15.260 Let us at least very good. 03:15.300 --> 03:15.780 Right. 03:18.020 --> 03:25.780 And right here we also have one more problem which is in lighter. 03:26.980 --> 03:30.060 If I want to know the boss right here. 03:30.100 --> 03:30.540 How? 03:30.780 --> 03:34.820 Uh, so some reaction counts. 03:35.300 --> 03:42.900 For example, how many, like, belong to the boss or how many wow into the boss? 03:43.380 --> 03:44.340 Or how many? 03:45.260 --> 03:47.940 Haha into this boss right here. 03:49.740 --> 03:51.660 Well, how do I know that? 03:52.100 --> 03:55.410 Well, we need to do some aggregation. 03:59.530 --> 04:06.010 And aggregation right here is also it has some limitation. 04:08.170 --> 04:10.050 It means the aggregation. 04:10.570 --> 04:15.290 This is for it has a little bit of performance issue. 04:15.810 --> 04:17.810 It's not good for performance. 04:18.210 --> 04:26.890 So for that reason inside the box right here we can create the sum calculation field directly over here. 04:27.650 --> 04:27.970 Right. 04:27.970 --> 04:34.970 We actually have something like that we will create the circular loss will be for example like. 04:42.770 --> 04:43.330 All right. 04:43.330 --> 04:54.320 We will create a loss whenever a user reaction we need to create the reaction into the reaction document. 04:54.800 --> 04:55.160 Okay. 04:55.200 --> 04:57.720 We will add a reaction document. 04:57.960 --> 05:01.480 And we also update the filter here into the box. 05:02.280 --> 05:02.760 Okay. 05:03.200 --> 05:04.720 It means insert the box right here. 05:04.720 --> 05:12.080 We can provide one more thing one more field for reaction count. 05:13.000 --> 05:22.440 And in later when we get our box we just need to get this. 05:22.480 --> 05:30.040 And you will see we will have so many thing reaction over here. 05:30.080 --> 05:30.400 Okay. 05:30.440 --> 05:35.880 We don't need to do some complex queries or something like that. 05:35.920 --> 05:36.360 Okay. 05:36.400 --> 05:41.600 That's the strategy right now and I hope you understand this video. 05:41.960 --> 05:48.040 In the next video, let's step by step and build the reaction and provide one more thing. 05:48.480 --> 05:50.400 So I will see you in the next one.