1 00:00:00,270 --> 00:00:07,920 In this video, we are going to create a utility function to be able to truncate post description. 2 00:00:08,160 --> 00:00:15,540 So inside the utils, I'm going to create one file and I'll call it as helpers. 3 00:00:19,280 --> 00:00:26,450 This file is going to contain our custom function to be used, and the first function I'm going to create 4 00:00:26,450 --> 00:00:28,070 is called truncate. 5 00:00:30,450 --> 00:00:32,340 Is equal to cost. 6 00:00:32,369 --> 00:00:39,270 Try and kit post and I'll pass in the post that I want to truncate. 7 00:00:43,870 --> 00:00:47,500 And I'm going to check the length of the post. 8 00:00:47,500 --> 00:00:59,320 So if the post does length is more than 100, then I'm going to retain the post. 9 00:00:59,660 --> 00:01:01,450 Dot substring. 10 00:01:06,310 --> 00:01:12,550 And this method takes into argument that is a starting point and where we want to end. 11 00:01:12,700 --> 00:01:21,010 I want to start at zero and end at 100, and then I want to contact with this ellipsis. 12 00:01:21,010 --> 00:01:25,810 Ask that could dot, dot, dot, dot. 13 00:01:26,110 --> 00:01:26,710 Else. 14 00:01:26,710 --> 00:01:29,260 I'm going to return the original post. 15 00:01:29,560 --> 00:01:32,950 Lastly, I need to export this one. 16 00:01:37,410 --> 00:01:38,070 TRUNCATE. 17 00:01:38,370 --> 00:01:40,260 So how are you going to use it? 18 00:01:40,290 --> 00:01:44,280 We are going to use this method inside the template. 19 00:01:44,280 --> 00:01:46,440 So how are you going to use it? 20 00:01:46,710 --> 00:01:53,100 You may be thinking that we can require this file inside the templates, but it will not work. 21 00:01:53,130 --> 00:01:59,760 We are going to take an advantage of the app look as we did for this one. 22 00:01:59,760 --> 00:02:05,130 So anything we add to the low cost, we're going to have it inside the template. 23 00:02:05,130 --> 00:02:09,990 So above here I'm going to add what is called helpers. 24 00:02:11,650 --> 00:02:16,570 And I'm going to make use of app dot low cost. 25 00:02:16,570 --> 00:02:21,070 And then I want to add this method called truncate post. 26 00:02:21,370 --> 00:02:26,260 I need to require the function as truncate post, which is this one. 27 00:02:27,520 --> 00:02:32,970 So I'm assigning a variable to the function call as truncate post. 28 00:02:32,980 --> 00:02:36,940 So inside my template I have access to this. 29 00:02:36,940 --> 00:02:40,810 So where I want to use it, I can go ahead and then use that. 30 00:02:40,810 --> 00:02:48,790 So let's locate the home page, which is a views folder, and here we go for this. 31 00:02:48,790 --> 00:02:53,080 Let's look at the description, which is this. 32 00:02:53,380 --> 00:03:00,130 So I'm going to remove this one and make this of truncate post. 33 00:03:00,430 --> 00:03:05,140 It must be the same and outpace the description. 34 00:03:05,380 --> 00:03:09,460 So now when I refresh it, let's have a look. 35 00:03:10,030 --> 00:03:15,730 I have this error meaning that it couldn't find the variable called truncate post. 36 00:03:15,730 --> 00:03:20,470 So let me save it and let me copy the name. 37 00:03:20,470 --> 00:03:23,440 And in here, let me replace with that. 38 00:03:23,440 --> 00:03:25,990 I think I made some typing mistake. 39 00:03:25,990 --> 00:03:32,830 So let's refresh it and you can see that it has truncated the description. 40 00:03:33,190 --> 00:03:38,260 And where I want to use the truncate is inside the profile. 41 00:03:38,260 --> 00:03:41,080 And I also want to truncate this one. 42 00:03:41,080 --> 00:03:44,290 So I'm going to copy this one. 43 00:03:44,290 --> 00:03:46,690 And let's go to the profile. 44 00:03:53,430 --> 00:03:56,070 And let's locate the description. 45 00:03:56,070 --> 00:03:58,350 So I'm going to paste this one. 46 00:03:59,310 --> 00:04:02,280 All right, so let's refresh it. 47 00:04:03,710 --> 00:04:06,350 And we have it as that. 48 00:04:06,470 --> 00:04:13,580 And for the image, we can use cases by providing what is called minimum height of the image.