WEBVTT 00:00.280 --> 00:02.000 Hi everyone! 00:02.520 --> 00:07.600 This is the additional feature for the free service will be on three. 00:07.960 --> 00:12.720 Okay, when I built this application I completely forgot this feature. 00:13.080 --> 00:17.400 And actually it's very easy to build the wooden frame. 00:17.800 --> 00:25.360 Okay, so right now what we do we will look up the current user and friendly okay. 00:25.400 --> 00:29.200 And right now we need to find the frame and based on the user survey. 00:29.720 --> 00:31.720 And we need to check a little bit over here. 00:34.320 --> 00:34.800 Okay. 00:35.040 --> 00:39.760 And right here you you cannot unfriend yourself okay. 00:39.960 --> 00:40.640 For sure. 00:41.400 --> 00:44.360 And right here we need to check that is correct. 00:44.960 --> 00:45.280 Okay. 00:45.280 --> 00:48.440 Let me show you the check for read it later. 00:48.440 --> 00:49.480 Don't worry about us. 00:51.120 --> 00:56.040 If this is not the is correct we will throw the error. 00:56.760 --> 00:58.000 And after that we. 00:58.160 --> 01:01.640 We need to remove the frame in both sides. 01:01.680 --> 01:02.120 Okay. 01:02.960 --> 01:05.040 Because the A and B. 01:07.640 --> 01:09.160 It also happen. 01:09.160 --> 01:09.200 happy. 01:09.240 --> 01:09.600 All right. 01:09.640 --> 01:10.160 All right. 01:10.760 --> 01:11.200 Right. 01:11.400 --> 01:12.000 For a reason. 01:12.040 --> 01:13.720 We need to remove Posey. 01:14.280 --> 01:18.720 And we also want to remove the frame. 01:19.560 --> 01:20.040 Friend. 01:20.040 --> 01:23.000 Request model. 01:25.000 --> 01:25.480 Okay. 01:25.600 --> 01:28.760 Make sure we remove the friend request model. 01:29.240 --> 01:33.600 And we only remove the threat model with the standard will be accepted. 01:34.120 --> 01:34.480 Okay. 01:34.520 --> 01:39.360 Because when we accept friend request, the standard will be changed to accept. 01:39.640 --> 01:39.960 Okay. 01:40.000 --> 01:43.040 When we unfriend we want, it will remove us. 01:43.040 --> 01:44.000 All right. 01:44.040 --> 01:47.200 For that reason, we will put a wait over here. 01:49.640 --> 01:54.560 We will remove it both for reasons I will create or operator. 01:54.880 --> 01:58.720 And that is an array and boots like us. 01:59.760 --> 02:04.560 So and we will block the handle frame on friend. 02:05.880 --> 02:09.400 I will send the friend and the current user. 02:09.440 --> 02:09.920 Okay. 02:09.960 --> 02:13.240 Let's pause the video and paint a little bit. 02:13.280 --> 02:18.680 Why I say that all in the front end you will understand. 02:18.880 --> 02:21.640 And inside here I will call the target user id. 02:22.120 --> 02:27.800 Furthermore, A and B is a thread okay. 02:28.160 --> 02:32.800 The I11 friendly, one unfriendly. 02:32.840 --> 02:38.960 It means the target user in this case will be the dummy, right? 02:39.320 --> 02:40.120 The target. 02:42.560 --> 02:49.760 User and this is the full friendly will be the I right. 02:50.520 --> 02:54.440 So that is the job of the handle right. 02:54.480 --> 02:56.840 And let me show you the some helper function. 02:57.560 --> 02:59.880 Firstly is the check a frame. 03:01.280 --> 03:05.440 Okay I will go to the user service and create one more helper function. 03:06.080 --> 03:13.480 Call the check frame and remove the some id over here and it returns a boolean right. 03:14.040 --> 03:15.520 I will check something like that. 03:15.840 --> 03:20.240 I will find the user by user ID and select the frames. 03:20.560 --> 03:21.200 All right. 03:22.000 --> 03:29.990 And we to check a little bit over here I will map through the frame and convert the ID into a string 03:30.550 --> 03:31.110 and check. 03:31.150 --> 03:34.630 Include here okay, if it include. 03:35.710 --> 03:38.030 We are friends, right? 03:38.830 --> 03:42.790 And one more helper function will be to remove frame it. 03:42.790 --> 03:43.390 Very easy. 03:43.430 --> 03:47.110 We just need to move out from the array right? 03:47.670 --> 03:49.590 Please bool operator. 03:49.910 --> 03:50.550 It will. 03:52.750 --> 03:55.550 It will remove the element inside out. 03:55.590 --> 03:55.910 Right. 03:55.950 --> 03:56.230 Okay. 03:56.270 --> 04:02.110 For example like we have a right one two and three okay. 04:02.350 --> 04:09.910 When we want to pull the element we will use, when you want to remove the element, we will use the 04:10.070 --> 04:16.550 pull operator and specify the the ID we want to remove. 04:16.950 --> 04:17.390 Okay. 04:18.110 --> 04:24.790 So that about pull parameter and make sure we return a new thing okay. 04:24.830 --> 04:27.790 Right about two function over here. 04:28.470 --> 04:30.430 So that's for the video. 04:30.870 --> 04:33.350 And nice. 04:33.670 --> 04:35.030 So I hope you understand.