# Setup the Frontend

### Installation

You can get the latest code from the Sunbird RC UI Repository <https://github.com/Sunbird-RC/sunbird-rc-ui>

This is an Angular 8 project, and you need to install the dependencies, and run the project.

### Configuration

The application needs to be configured with the appropriate fields to be able to use it. Example configuration is provided in the `src/examples` folder.

#### Environment Config

| Key         | Value                                                                                                                                                       |
| ----------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `baseUrl`   | Base URL for the Sunbird backend. Eg: <https://registry.com/api>                                                                                            |
| `schemaUrl` | URL to the OpenAPI schema definition. This could be a HTTP path or a path to a local file Eg: <https://registry.com/api/schema.json> OR /assets/schema.json |
| `logo`      | URL to logo. This logo is displayed in the header of the UI                                                                                                 |

#### Forms

The `forms.json` needs to be placed in `src/assets/config`. This file defines the schema for various forms used, along with the fields for each. The form rendering is based on the formly.dev library, and the forms.json is a small wrapper on top of the formly schema.

In this file `forms` is an array with key/value pairs. They key is the code / slug of the form which is used to access the form. Eg: if the key for a form is `employee-signup` that form can be accessed via `/forms/employee-signup`. Each form definition will have the below fields -

| Key               | Value                                                                                                                                                                                                                                                                              |
| ----------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `form.api`        | This is the path to the API endpoints for the entity this form handles. Eg: `/Employer`                                                                                                                                                                                            |
| `form.type`       | Forms can be of 2 types. It can either be a form to create a new entity Eg: Employer, or it could be a form to submit a "sub-field" eg: work experience of an employee. For the former use `entity`. For the latter use `property:<property name>` (eg: property:work\_experience) |
| `form.formclass`  | HTML Class applied to the form container                                                                                                                                                                                                                                           |
| `form.title`      | Title of form                                                                                                                                                                                                                                                                      |
| `form.redirectTo` | Redirect URL on after form submit                                                                                                                                                                                                                                                  |
| `form.fieldsets`  | List of fieldsets(multiple) for this form. At least one fieldset is needed                                                                                                                                                                                                         |

**fieldsets**

| Key                    | Value                                                                                                                                                                      |
| ---------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `fieldsets.definition` | Name of the OpenAPI "Definition" to use                                                                                                                                    |
| `fieldsets.fields`     | List of fields(multiple) to populate for this fieldset. If you wish to display all fields from the schema, you can skip defining each field, and use use `"fields": ["*"]` |

**Form grouping**:

You can change the layout of form like add multiple columns in single row add panel using below configuration in **form.json** file.

| Key                   | Value                                   |
| --------------------- | --------------------------------------- |
| `fields.formclass`    | Apply the css classes on forms fieldset |
| wrappers": \["panel"] | Wrap the group of field                 |

Here is example for,

````json
```
{
  "teacher-setup": {
    "api": "/Teacher",
    "type": "entity",
    "fieldsets": [
      {
        "definition": "Teacher",
        "fields": [
          {
            "name": "contactDetails",
            "formclass": " row form-div",
            "class": "col-6"
          },
          {
            "name": "identityDetails",
            "wrappers": [
              "panel"
            ],
            "children": {
              "definition": "IdentityDetails",
              "title": true,
              "formclass": " row form-div line",
              "fields": [
                {
                  "name": "fullName",
                  "required": true,
                  "class": "col-6",
                }
              ]
            }
          }
```
````

**fields**

| Key                 | Value                                                                     |
| ------------------- | ------------------------------------------------------------------------- |
| `fields.name`       | Name of field (same as defined in definition of that schema)              |
| `fields.custom`     | `boolean` Name of custom field (not defined in defination of that schema) |
| `fields.required`   | `boolean`                                                                 |
| `fields.class`      | Class of field                                                            |
| `fields.disabled`   | `boolean` Disable the field (readonly)                                    |
| `fields.children`   | `object` Reference field of definition (same properties as `fieldsets`)   |
| `fields.validation` |                                                                           |

#### Layouts

The `layouts.json` is used to define how the public and private profile pages look like. For each entity in Sunbird backend, a layout file should be defined with the fields and the order in which they should display.

In this file `layouts` is an array with key/value pairs. They key is the code / slug of the layout page which is used to access the form. Eg: if the key for a layout is `employee-profile` that page can be accessed via `/profile/employee-profile`. Each layout definition will have the below fields -

| Key             | Value                                            |
| --------------- | ------------------------------------------------ |
| `layout.api`    | URL Path of API                                  |
| `layout.title`  | Title of form                                    |
| `layout.blocks` | Cards/Blocks (multiple) to populate in `layout`. |

**blocks**

| Key                 | Value                                                       |
| ------------------- | ----------------------------------------------------------- |
| `blocks.definition` | Definition of fields from JSON Schemas in `schemaUrl`       |
| `blocks.title`      | Title of Card/Block                                         |
| `blocks.add`        | `boolean` Enable Add Button                                 |
| `blocks.addform`    | `<name of form from forms>` Form opens on Add Button click  |
| `blocks.edit`       | `boolean` Enable Edit Button                                |
| `blocks.editform`   | `<name of form from forms>` Form opens on Edit Button click |
| `blocks.multiple`   | `boolean` Enable Multiple values                            |
| `blocks.fields`     | Array/List of fields(multiple) to populate in `fieldsets`   |

**fields**

| Key               | Value                                                               |
| ----------------- | ------------------------------------------------------------------- |
| `fields.includes` | Array/list of Included Fields from response or `[*]` for all fields |
| `fields.excludes` | Array/list of Excluded Fields from response                         |

## FAQs

### Proxy configuration

To avoid CORS issues you can use proxy configuration. Run `npm start` or `ng serve --proxy-config proxy.conf.json`. For additional configuration please check `proxy.conf.json` file.

### Hosting the Frontend

The frontend may be hosted any of the below ways

* As a container. You may create an image with the angular build files.
* On a VM
* In blob storage (eg: S3, with a CDN in front)


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