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docs(generator): update latest generator documentation #2853

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59 changes: 51 additions & 8 deletions pages/docs/tools/generator/generator-template.md
Original file line number Diff line number Diff line change
Expand Up @@ -67,10 +67,22 @@ components:

1. Create a new directory for your template named **python-mqtt-client-template**.
2. Install the AsyncAPI CLI using the command `npm install -g @asyncapi/cli`.
3. Create a new folder **test/fixtures** with a file named **asyncapi.yml** in your fixtures directory. This file is used to define the **structure** of your template.
4. Create a new file named **package.json** in your template directory. This file is used to define the **dependencies** for your template.
5. Create a new file named **index.js** in your **template** directory. This file is used to define the **logic** for your template.
6. Create a **test.py** file to validate the logic of your application.
3. Create a new folder **test/fixtures** with a file named **asyncapi.yml** in your fixtures directory. This file is used to define the **structure** of your template. You can copy the above example and paste it in your **asyncapi.yml** document.
4. Create a new file named **package.json** in your **python-mqtt-client-template** directory. This file is used to define the **dependencies** for your template.
5. Create a new folder **python-mqtt-client-template/template**. Create a new file named **index.js** in your **template** directory. This file is used to define the **logic** for your template.
6. Create a **test.py** file to validate the logic of your application. Don't worry about this file for now. The tutorial will tell you how to create it later.

Now your directory should look like this:

```
python-mqtt-client-template
├── template
│ └── index.js
├── test
│ └── fixtures
│ └── asyncapi.yml
└── package.json
```

Lets break it down:

Expand Down Expand Up @@ -110,7 +122,7 @@ Here's what is contained in the code snippet above:
- **supportedProtocols** - A list that specifies which protocols are supported by your template.
- **dependencies** - specifies which version of [`@asyncapi/generator-react-sdk`](https://github.com/asyncapi/generator-react-sdk) should be used.

Run the command `npm install` on your terminal to install the dependencies specified in **package.json**.
Navigate to the ****python-mqtt-client-template** directory. Run the command `npm install` on your terminal to install the dependencies specified in **package.json**.

### index.js file

Expand Down Expand Up @@ -143,7 +155,7 @@ The `asyncapi.info().title()` returns `Temperature Service`.

### Test using AsyncAPI CLI

To see this in action, run `asyncapi generate fromTemplate test/fixtures/asyncapi.yml ./ -o test/project` command on your terminal. If successful, you'll see the message below on your terminal:
To see this in action, navigate to the **python-mqtt-client-template** directory. Then, run `asyncapi generate fromTemplate test/fixtures/asyncapi.yml ./ -o test/project` command on your terminal. If successful, you'll see the message below on your terminal:

``` cmd
Generation in progress. Keep calm and wait a bit... done
Expand Down Expand Up @@ -173,7 +185,7 @@ In this section, you'll:

### 1. Create the client

The following is the sample code of the Python client you generated [above](#test-using-asyncapi-cli) using the Paho-MQTT library after running the `asyncapi generate fromTemplate test/fixtures/asyncapi.yml ./ -o test/project` command.
Here is the sample code to be pasted in the client.py you generated above running the `asyncapi generate fromTemplate test/fixtures/asyncapi.yml ./ -o test/project` command. It uses the `paho-mqtt` package.

``` python
# 1
Expand Down Expand Up @@ -213,6 +225,20 @@ In summary, this code sets up an MQTT client using the Paho-MQTT library. It con
You'll interact with the Temperature Service using the client module you created above. You'll create an instance of the client using `client = TemperatureServiceClient()` and then use `client.sendTemperatureChange` function to publish messages that Temperature Service is subscribed to.
Create a **test/project/test.py** file in your project and add the code snippet below:

Now your directory should look like this:

```
python-mqtt-client-template
├── template
│ └── index.js
└── test
├── fixtures
│ └── asyncapi.yml
└── project
├── client.py
└── test.py
```

``` python
from client import TemperatureServiceClient
from random import randrange
Expand Down Expand Up @@ -435,7 +461,7 @@ You'll then need to template to dynamically generate `sendTemperatureDrop` and `
</Text>
```

It's recommended to put reusable components outside template directory in a new directory called **components**. You'll create a component that will dynamically generate functions in the output for as many channels as there are in your AsyncAPI document that contain a `publish` operation. Add the following code in **components/TopicFunction.js** file:
It's recommended to put reusable components outside the template directory in a new directory called components. You'll create a component that will dynamically generate functions in the output for as many channels as there are in your AsyncAPI document that contains a `publish` operation. Add the following code in the **python-mqtt-client-template/components/TopicFunction.js** file, after creating the **python-mqtt-client-template/components/** directory:

```js
/*
Expand Down Expand Up @@ -512,6 +538,23 @@ export default function ({ asyncapi, params }) {

```

Now your directory should look like this:

```
python-mqtt-client-template
├── components
│ └── TopicFunction.js
├── template
│ └── index.js
└── test
├── fixtures
│ └── asyncapi.yml
└── project
├── client.py
└── test.py
```


Run `npm test` on your terminal to ensure everything works as expected.

In the next section, you'll add another channel to **asyncapi.yml** file called `temperature/dropped` and `temperature/risen` then run the template again to make sure it still works as expected.
Expand Down
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