jf-roku/DEVGUIDE.md

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# Dev Guide For The Jellyfin Roku App
Follow the steps below to install the app on your personal Roku device. This will enable you to write code for the app, install the latest beta release, as well as provide app logs to the developers if you encounter a bug.
- [Dev Guide For The Jellyfin Roku App](#dev-guide-for-the-jellyfin-roku-app)
- [Developer Mode](#developer-mode)
- [Clone the GitHub Repo](#clone-the-github-repo)
- [Method 1: Visual Studio Code](#method-1-visual-studio-code)
- [Install VSCode](#install-vscode)
- [Usage](#usage)
- [Hardcoding Roku Information](#hardcoding-roku-information)
- [Method 2: Sideload to Roku Device Manually](#method-2-sideload-to-roku-device-manually)
- [Method 3: Direct load to Roku Device](#method-3-direct-load-to-roku-device)
- [Login Details](#login-details)
- [Install Necessary Packages](#install-necessary-packages)
- [Deploy](#deploy)
- [Bug/Crash Reports](#bugcrash-reports)
- [Upgrade](#upgrade)
- [Command Line Workflow](#command-line-workflow)
- [Committing](#committing)
- [(Optional) Update Images](#optional-update-images)
- [Adding a User Setting](#adding-a-user-setting)
- [The order of any particular menu is as follows](#the-order-of-any-particular-menu-is-as-follows)
- [When giving your setting a name](#when-giving-your-setting-a-name)
- [When giving your setting a description](#when-giving-your-setting-a-description)
- [**Remember to add all new strings to locale/en\_US/translations.ts**](#remember-to-add-all-new-strings-to-localeen_ustranslationsts)
## Developer Mode
Put your Roku device in [developer mode](https://blog.roku.com/developer/2016/02/04/developer-setup-guide). Write down your Roku device IP and the password you created, you will need these later.
## Clone the GitHub Repo
Navigate to where you'd like to install the app then copy the application files:
```bash
git clone https://github.com/jellyfin/jellyfin-roku.git
```
Open up the new folder:
```bash
cd jellyfin-roku
```
Install Dependencies:
```bash
npm install
```
## Method 1: Visual Studio Code
We recommend using Visual Studio Code when working on this project. The [BrightScript Language extension](https://marketplace.visualstudio.com/items?itemName=RokuCommunity.brightscript) provides a rich debugging experience, including in-editor syntax checking, debugging/breakpoint support, variable inspection at runtime, auto-formatting, an integrated remote control mode, and [much more](https://rokucommunity.github.io/vscode-brightscript-language/features.html).
### Install VSCode
1. Download and install [Visual Studio Code](https://code.visualstudio.com/)
2. Install the **BrightScript Language** extension within VSCode in the _Extensions_ panel or by downloading it from the [VSCode Marketplace](https://marketplace.visualstudio.com/items?itemName=RokuCommunity.brightscript).
### Usage
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1. Open the `jellyfin-roku` folder in VSCode
2. Press `F5` on your keyboard or click `Run` -> `Start Debugging` from the VSCode menu. ![image](https://user-images.githubusercontent.com/2544493/170696233-8ba49bf4-bebb-4655-88f3-ac45150dda02.png)
3. Enter your Roku IP address and developer password when prompted
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That's it! VSCode will auto-package the project, sideload it to the specified device, and the channel is up and running. (assuming you remembered to put your device in [developer mode](#developer-mode))
### Hardcoding Roku Information
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Out of the box, the BrightScript extension will prompt you to pick a Roku device (from devices found on your local network) and enter a password on every launch. If you'd prefer to hardcode this information rather than entering it every time, you can set these values in your VSCode user settings:
```js
{
"brightscript.debug.host": "YOUR_ROKU_HOST_HERE",
"brightscript.debug.password": "YOUR_ROKU_DEV_PASSWORD_HERE",
}
```
Example:
![image](https://user-images.githubusercontent.com/2544493/170485209-0dbe6787-8026-47e7-9095-1df96cda8a0a.png)
## Method 2: Sideload to Roku Device Manually
Install Necessary Packages
```bash
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sudo apt-get install wget make zip
```
Build the package
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```bash
make dev
```
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This will create a zip in `out/apps/Jellyfin_Roku-dev.zip`. Login to your Roku's device in your browser and upload the zip file then run install.
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## Method 3: Direct load to Roku Device
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### Login Details
Run this command - replacing the IP and password with your Roku device IP and dev password from the first step:
```bash
export ROKU_DEV_TARGET=192.168.1.234
export ROKU_DEV_PASSWORD=password
```
Normally you would have to open up your browser and upload a .zip file containing the app code. These commands enable the app to be zipped up and installed on the Roku automatically which is essential for developers and makes it easy to upgrade in the future for users.
### Install Necessary Packages
```bash
sudo apt-get install wget make zip
```
### Deploy
Package up the application, send it to your Roku, and launch the channel:
```bash
make install
```
Note: You only have to run this command once if you are not a developer. The Jellyfin channel will still be installed after rebooting your Roku device.
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## Bug/Crash Reports
Did the app crash? Find a nasty bug? Use the this command to view the error log and [report it to the developers](https://github.com/jellyfin/jellyfin-roku/issues):
```bash
telnet ${ROKU_DEV_TARGET} 8085
```
To exit telnet: `CTRL + ]` and then type `quit + ENTER`
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## Upgrade
Navigate to the folder where you installed the app then upgrade the code to the latest version:
```bash
git pull
```
Deploy the app:
```bash
make install
```
## Command Line Workflow
Modify code -> `make install` -> Use Roku remote to test changes -> `telnet ${ROKU_DEV_TARGET} 8085` -> `CTRL + ]` -> `quit + ENTER`
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Unfortunately there is no debugger. You will need to use telnet to see log statements, warnings, and error reports. You won't always need to telnet into your device but the workflow above is typical when you are new to BrightScript or are working on tricky code.
Install necessary packages:
```bash
sudo apt-get install nodejs npm
```
## Committing
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Before committing your code, please run:
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```bash
make prep_commit
```
This will format your code and run the CI checks locally to ensure you will pass the CI tests.
## (Optional) Update Images
This repo already contains all necessary images for the app. This script only needs to be run when the [official Jellyfin images](https://github.com/jellyfin/jellyfin-ux) are changed to allow us to update the repo images.
Install necessary packages:
```bash
sudo apt-get install imagemagick
```
Download and convert images:
```bash
make get_images
```
## Adding a User Setting
Your new functionality may need a setting to configure its behavior, or, sometimes, we may ask you to add a setting for your new functionality, so that users may enable or disable it. If you find yourself in this position, please observe the following considerations when adding your new user setting.
### The order of any particular menu is as follows
1. Any menu titled "General."
2. Any settings that have children, in alphabetical order.
3. Any settings that do not have children, in alphabetical order.
### When giving your setting a name
Ideally, your setting will be named with a relevant noun such as ```Cinema Mode``` or ```Codec Support.``` Sometimes there is no such name that is sufficiently specific, such as with ```Clock```. In this case you must use a verb phrase to name your setting, such as ```Hide Clock.``` If your verb phrase _must_ be long to be specific, you may drop implied verbs if absolutely necessary, such as how ```Text Subtitles Only``` drops the implied ```Show.``` Do not use the infinitive form ```action-doing``` or ```doing stuff.``` Instead, use the imperative: ```Do Action``` or ```Do Stuff.``` Remember that _characters are a commodity in names._
Generally, we should not repeat the name of a setting's parent in the setting's name. Being a child of that parent implies that the settings are related to it.
### When giving your setting a description
A setting's description should begin with a grammatically correct, complete, imperative sentence that ends with a period. _Characters are not a commodity in descriptions_ so be specific. Again, do not use infinitive verb phrases ("...ing" should not appear anywhere in the text of your setting). While the first sentence should be imperative, additional sentences may be necessary to tell your user how to use the setting or why its doing what its doing. If you _must_ use non-imperative sentences, be concise and consider the fact that your description will need to be translated into many languages. Do not use colloquialism, metaphor, or idiomatic phrases.
#### **Remember to add all new strings to locale/en_US/translations.ts**