1 00:00:00,170 --> 00:00:00,560 All right. 2 00:00:00,560 --> 00:00:06,440 And up next, let's go down the list and let's set up for more requests. 3 00:00:06,590 --> 00:00:14,270 So we want to have one for create job, find one job, basically get one single job based on the ID, 4 00:00:14,660 --> 00:00:22,520 modify the existing job again based on the ID, and then lastly, delete a single job. 5 00:00:22,880 --> 00:00:25,970 And I guess let's start with the create job. 6 00:00:25,970 --> 00:00:28,400 So let's navigate back to our project. 7 00:00:28,400 --> 00:00:28,940 And you know what? 8 00:00:28,940 --> 00:00:30,690 In here I will add some comments. 9 00:00:30,710 --> 00:00:32,840 I'll say, get all jobs. 10 00:00:32,870 --> 00:00:34,130 That's the request. 11 00:00:34,400 --> 00:00:37,850 And now let's copy and paste since a lot of the stuff is going to be. 12 00:00:38,570 --> 00:00:39,710 Very similar. 13 00:00:40,420 --> 00:00:41,140 As far as the. 14 00:00:41,650 --> 00:00:48,550 Yes, we'll have this one to get all the jobs on the URL for creating a job is actually going to be 15 00:00:48,550 --> 00:00:49,720 exactly the same. 16 00:00:49,720 --> 00:00:52,960 So it's going to be API version one and then jobs. 17 00:00:52,960 --> 00:00:56,050 So they both go to the same place. 18 00:00:56,050 --> 00:01:01,260 But since the method is different, of course the request is different. 19 00:01:01,270 --> 00:01:03,490 So in this case we are creating a job. 20 00:01:03,490 --> 00:01:04,569 So create. 21 00:01:05,550 --> 00:01:06,210 Job. 22 00:01:07,270 --> 00:01:13,660 Now, as far as the functionality, we want to first grab some values from Req.body because keep in 23 00:01:13,660 --> 00:01:21,070 mind, in order to create a job, well, we need to provide what we need to provide company and position. 24 00:01:21,100 --> 00:01:23,920 Now, typically this gets set. 25 00:01:24,800 --> 00:01:29,550 In the database and therefore we will create that ID in our controller again. 26 00:01:29,570 --> 00:01:32,910 Eventually the database will do that job. 27 00:01:32,930 --> 00:01:36,320 But for now, we'll do it over here in Create Job. 28 00:01:36,350 --> 00:01:42,170 So first we want to grab from the Req.body Body company and position. 29 00:01:42,260 --> 00:01:44,770 How do I know that those values are going to be there? 30 00:01:44,780 --> 00:01:51,270 Well, because we will be setting up that request in a second in the Thunder client. 31 00:01:51,290 --> 00:01:51,620 Correct. 32 00:01:51,620 --> 00:01:53,420 So we're going to go here with the Req.body. 33 00:01:53,420 --> 00:01:56,180 Remember, that's where the Json data is located. 34 00:01:56,220 --> 00:02:03,440 And we want to set up a check where if the value is missing, if one of them is missing, then essentially 35 00:02:03,440 --> 00:02:05,680 we'll send back a 400. 36 00:02:05,690 --> 00:02:12,050 And essentially when it comes to status codes, 400 stands for bad request. 37 00:02:12,050 --> 00:02:20,030 So before we create the job based on company and position, we want to check if those values are present. 38 00:02:20,060 --> 00:02:26,580 Now, eventually we'll set up a layer which is going to be sitting on top of our requests. 39 00:02:26,580 --> 00:02:31,230 But for now, yes, we'll do this manually in the controller. 40 00:02:31,230 --> 00:02:36,750 So we'll say if the company is missing or the position is missing, here's what I want to do. 41 00:02:37,480 --> 00:02:39,880 I want to send back a different request. 42 00:02:40,120 --> 00:02:43,450 And in order to speed this up, I'll just copy some values. 43 00:02:43,460 --> 00:02:48,070 So I'll take it from here and it's going to be 400 again. 44 00:02:48,070 --> 00:02:49,780 That's a bad request. 45 00:02:49,930 --> 00:02:55,870 And we do want to add here a return, because please keep in mind that if the return is going to be 46 00:02:55,870 --> 00:02:59,530 missing over here, you'll get an error from Express. 47 00:02:59,770 --> 00:03:02,590 Essentially, it's because JavaScript just keeps reading the code. 48 00:03:02,590 --> 00:03:08,530 So if you have no return over here in this condition, then you'll have two responses and express is 49 00:03:08,530 --> 00:03:10,000 not going to be happy about that. 50 00:03:10,420 --> 00:03:17,320 And then as far as the Json, well we'll send back a message property and we'll say please provide. 51 00:03:18,210 --> 00:03:18,960 Company. 52 00:03:20,370 --> 00:03:21,480 And position. 53 00:03:21,570 --> 00:03:22,740 Let's save this. 54 00:03:22,740 --> 00:03:29,640 And if everything is correct, then of course, we continue setting up our new job. 55 00:03:30,060 --> 00:03:36,030 And first we'll start with an ID and technically we'll cheat a little bit because again, database usually 56 00:03:36,030 --> 00:03:37,020 does that job. 57 00:03:37,020 --> 00:03:43,290 But in our case we're going to go with const ID is equal to then let's invoke nano ID and then just 58 00:03:43,290 --> 00:03:46,890 provide some number value how big that ID is going to be. 59 00:03:46,890 --> 00:03:49,350 And I'm going to go with ten over here. 60 00:03:49,380 --> 00:03:52,560 Then we want to create that new job. 61 00:03:52,650 --> 00:03:54,270 So go over here with ID. 62 00:03:55,520 --> 00:03:58,010 Company and position. 63 00:03:58,010 --> 00:03:59,990 So I'm creating a new object. 64 00:04:00,320 --> 00:04:05,960 ID is equal to ID, company is equal to company position is equal to a position. 65 00:04:06,140 --> 00:04:08,870 This is what we can do in JavaScript these days. 66 00:04:08,900 --> 00:04:13,310 And then we just want to add this job manually to our jobs array. 67 00:04:13,520 --> 00:04:15,230 Now, please keep in mind one thing. 68 00:04:15,260 --> 00:04:19,250 Of course this just runs when the server is running. 69 00:04:19,399 --> 00:04:20,640 Hopefully that is clear. 70 00:04:20,660 --> 00:04:24,260 Eventually, again, everything is going to be persisted in the database. 71 00:04:24,260 --> 00:04:29,660 So in here we just want to go with jobs dot push job and then as far as the response. 72 00:04:30,260 --> 00:04:35,090 Typically when you create a job, you don't send back all of the jobs like we just did. 73 00:04:35,240 --> 00:04:37,160 You go with one job. 74 00:04:37,380 --> 00:04:40,850 And now we want to navigate to our collections. 75 00:04:40,910 --> 00:04:43,740 And in here, we want to set up a new one. 76 00:04:43,760 --> 00:04:50,210 So in this case, I'll duplicate again a bunch of values that are going to be the same. 77 00:04:50,240 --> 00:04:52,550 We will right away rename it. 78 00:04:52,580 --> 00:04:55,340 We'll say create job. 79 00:04:56,300 --> 00:04:58,650 And as far as this request, we want to change some values. 80 00:04:58,670 --> 00:05:04,100 First, we're going to go with post and then we want to look for body. 81 00:05:04,550 --> 00:05:07,700 Then we'll set up company and position. 82 00:05:08,000 --> 00:05:09,770 Now, this is totally up to you. 83 00:05:09,800 --> 00:05:11,750 I'm going to go with Facebook here. 84 00:05:11,810 --> 00:05:16,190 And then as far as the position, let's go with DevOps. 85 00:05:16,760 --> 00:05:17,450 Why not? 86 00:05:17,480 --> 00:05:19,460 So we're looking for the position here. 87 00:05:20,420 --> 00:05:27,440 And then let's write DevOps and if everything is correct, we should get back this single job with an 88 00:05:27,440 --> 00:05:33,170 ID company and position basically what we just provided in the body. 89 00:05:33,660 --> 00:05:40,080 And not only that, if I go to all jobs, check it out now I have three of them over here. 90 00:05:40,100 --> 00:05:46,490 Again, if I'm going to stop the server right now, of course, we'll go back to those two jobs because 91 00:05:46,490 --> 00:05:48,800 we're not persisting this data anywhere. 92 00:05:48,800 --> 00:05:54,170 And as a quick side note, notice how cool are these logs here in the console? 93 00:05:54,170 --> 00:05:59,210 So I can clearly see that, hey, listen, there is a post request. 94 00:05:59,220 --> 00:06:02,000 This is the URL and this was my response. 95 00:06:02,030 --> 00:06:05,780 Now if I'll try to add a. 96 00:06:06,420 --> 00:06:10,170 Job without, for example, the position. 97 00:06:10,170 --> 00:06:11,550 What do you think is going to happen? 98 00:06:11,700 --> 00:06:15,330 First of all, we need to make sure that our syntax is correct over here. 99 00:06:15,330 --> 00:06:23,280 And if I send notice again, it was a post request, it went to API version one jobs, but the response 100 00:06:23,280 --> 00:06:24,120 was different. 101 00:06:24,150 --> 00:06:25,860 The response was 400. 102 00:06:25,890 --> 00:06:31,050 So now of course I have please provide company and position. 103 00:06:31,050 --> 00:06:36,480 And again, lastly, let me just showcase what happens if we don't have this return over here. 104 00:06:36,510 --> 00:06:43,200 Now, of course you can return this whole rest dot status or you can simply place return after again. 105 00:06:43,200 --> 00:06:45,420 That part is totally irrelevant. 106 00:06:45,420 --> 00:06:47,610 What you don't want to do is this. 107 00:06:48,270 --> 00:06:51,240 And, you know, let me switch back to Nodemon. 108 00:06:51,270 --> 00:06:57,630 It doesn't really matter, but I'm just going to use this one because so far I've been using the watch 109 00:06:57,660 --> 00:07:05,220 option and then let me navigate back to create job and I'll send with only one and notice you'll have 110 00:07:05,220 --> 00:07:11,900 this giant error in the console cannot set headers after they are sent. 111 00:07:11,910 --> 00:07:17,670 So again, effectively JavaScript just keeps reading the code and even though. 112 00:07:18,270 --> 00:07:19,890 We had a condition over here. 113 00:07:19,890 --> 00:07:25,170 And even though we already sent a response, well, we keep working on our job and then we send another 114 00:07:25,170 --> 00:07:28,710 response and that's not something we are allowed to do. 115 00:07:28,710 --> 00:07:33,900 So therefore, add here return and everything is going to be okay. 116 00:07:33,960 --> 00:07:38,280 And with this in place, we are done with create job functionality. 117 00:07:38,400 --> 00:07:44,040 And up next we can set up get single job functionality.