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Wordapp WordPress Plugin

Version 1.0.2

The Wordapp Plugin connects your site to the Wordapp Platform to allow you to create, translate and optimize online content easily and seamlessly. The Wordapp Plugin is published to the WordPress Plugin Directory and can be installed from: https://wordpress.org/plugins/wordapp/

Wordapp Plugin for WordPress
Installation instructions:
Wordapp Plugin’s directory structure:
Plugin Functions:

Installation instructions:

For an automatic installation through WordPress:

Go to the ‘Add New’ plugins screen in your WordPress admin area.
Search for ‘Wordapp’.
Click ‘Install Now’ and activate the plugin.

For a manual installation via FTP:

Upload the wordapp directory to the /wp-content/plugins/ directory
Activate the plugin through the ‘Plugins’ screen in your WordPress admin area

To upload the plugin through WordPress, instead of FTP:

Upload the downloaded zip file on the ‘Add New’ plugins screen (see the ‘Upload’ tab) in your WordPress admin area and activate.

The Wordapp Plugin does not have a settings page within WordPress. All settings and configuration are done directly from within the Wordapp Platform. Plugin source code is available through public Subversion (SVN) repository at: https://plugins.svn.wordpress.org/wordapp

Developers can customize default operations by extending the plugin’s functionality according to their required business needs. The plugin communicates with the Wordapp platform through HTTP based API. Operations are always initiated from the Wordapp API. Each operation is a HTTP POST request.

Plugin responses in JSON format as:

success

Operation result:

– true, if operation was completed successfully and operation results are given in data field.

– false, if operation failed and error message given in error field.

data

Response data, the exact structure depends on the operation type

error

Error message in text format

Wordapp plugin version 1.0.2 supports following operations:

Operation Code	Description
PDX_OP_WP_CONFIG_CHECK	Checks if plugin has configured to securely communicate with Wordapp Platform.
PDX_OP_WP_CONFIG_SET	Starts a plugin configuration process. Used internally by Wordapp Platform.
PDX_OP_WP_POST_LIST	Retrieves list of posts by query criteria.
PDX_OP_WP_POST_ADD	Adds a new post
PDX_OP_WP_POST_GET	Gets post by url or id
PDX_OP_WP_POST_UPDATE	Updates post
PDX_OP_WP_MEDIA_LIST	Retrieves list of items in media library by query criteria.
PDX_OP_WP_MEDIA_ADD	Adds a new item to the media library
PDX_OP_WP_MEDIA_ADD_FROM_URL	Downloads a new item (image) to the media library from external url
PDX_OP_WP_POST_META_UPDATE	Updates post meta
PDX_OP_WP_POST_META_GET	Gets post meta
PDX_OP_WP_POST_TYPE_LIST	Retrieves registered types for posts
PDX_OP_WP_POST_STATUS_LIST	Retrieves registered statuses for posts
PDX_OP_WP_POST_TEMPLATE_LIST	Retrieves template names
PDX_OP_WP_MEDIA_UPDATE	Updates meta
PDX_OP_WP_PREPARE_PREVIEW	Prepares unpublished post for preview and returns temporary preview url

Wordapp Plugin’s directory structure:

├── includes

│ ├── common.php

│ ├── config.php

│ ├── constants.php

│ ├── hello.php

│ ├── index.php

│ ├── integrations.php

│ ├── media.php

│ ├── meta.php

│ ├── pdx.php

│ ├── post.php

│ └── preview.php

├── LICENSE

├── LICENSE.txt

├── README.txt

├── index.php

├── uninstall.php

└── wordapp.php

Plugin Functions:

Function

Description

ajax_wa_pdx()

File: includes/pdx.php

The AJAX entry point.

Parses AJAX requests and calls appropriate functions. Used internally by plugin.

Parameters:

$_POST

HTTP POST parameters passed from Wordapp Platform.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_config_set ($params)

File: includes/config.php

PDX API Operation : PDX_OP_WP_CONFIG_SET

Sets plugin configuration.

This operation is initiated from Wordapp Platform to configure plugin for further data exchange operations.

Parameters:

array $params

The operation parameters passed from Wordapp Platform.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_config_clear()

File: includes/config.php

Internal function.

Clears configuration data.

Removes Wordapp plugin related configuration data from the WordPress option storage. Called internally when plugin activated, deactivated or uninstalled.

wa_pdx_hello()

File: includes/hello.php

Processes HTTP HEAD ‘Hello’ message.

This message is used by Wordapp Platform to discover if Wordapp plugin is installed

Parameters:

HTTP REQUEST HEADER: X_WA_PDX_HELLO

Hello Message Identifier

Returns:

HTTP RESPONSE HEADER: X-WA-PDX-VERSION

Plugin version

HTTP RESPONSE HEADER: X-WA-PDX-AJAX-URL

Plugin AJAX entry point url

HTTP RESPONSE HEADER: X-WA-PDX-WP-VERSION

WordPress Version

wa_pdx_find_post_by_url($post_url)

File: includes/post.php

Internal function.

Finds post by url.

Parameters:

string $post_url

The url to find.

Returns:

integer|null

The post id found.

wa_pdx_post_add ($params)

File: includes/post.php

Internal function.

Adds a new post.
Parameters:
array $params

post parameters.
Returns:
Int|null

post id of the added post

wa_pdx_post_update ($params)

File: includes/post.php

Internal function.

Updates a post by post id or url.
Parameters:
array $params

post parameters.
Returns:
Int|null

post id of the updated post

wa_pdx_op_post_add ($params)

File: includes/post.php

PDX API Operation : PDX_OP_WP_POST_ADD
Adds new post.
Parameters:
array $params
The parameters passed from Wordapp.
Returns:
mixed
JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_post_update ($params)

File: includes/post.php

PDX API Operation : PDX_OP_WP_POST_UPDATE

Updates post by post id or url.

Parameters:

array $params

Parameters passed from Wordapp.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_post_get ($params)

File: includes/post.php

PDX API Operation : PDX_OP_WP_POST_GET

Gets a post by id.

Parameters:

array $params

Parameters passed from Wordapp. The post id must be given in ‘id’ field.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_post_list ($params)

File: includes/post.php

PDX API Operation : PDX_OP_WP_POST_LIST

Retrieves list of posts by query criteria.

Parameters:

array $params

Parameters passed from Wordapp.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_post_type_list()

File: includes/post.php

PDX API Operation : PDX_OP_WP_POST_TYPE_LIST

Retrieves list of all post types.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_post_status_list()

File: includes/post.php

PDX API Operation : PDX_OP_WP_POST_STATUS_LIST

Retrieves list of all post statuses.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_post_template_list()

File: includes/post.php

PDX API Operation : PDX_OP_WP_POST_TEMPLATE_LIST

Retrieves list of all templates of active theme.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_post_update_template($post_id, $name)

File: includes/post.php

Internal function.

Updates post template option.
Parameters:

string $name

The template name to assign.
int $post_id

The post id to assign.

wa_pdx_post_process_params ($post, $params, $add = false)

File: includes/post.php

Internal function.

Processes post parameters.

Parameters:

array $post

post Initial post parameters.
array $params

Parameters to parse.
bool $add

Add defaults for missed parameters.
Returns:
Array

The altered post parameters.

wa_pdx_op_media_add($params)

File: includes/media.php

PDX API Operation : PDX_OP_WP_MEDIA_ADD

Adds media file to the media library.

Parameters:

array $params

Parameters passed from Wordapp.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_media_add_from_url ($params)

File: includes/media.php

PDX API Operation : PDX_OP_WP_MEDIA_ADD_FROM_URL

Downloads media file from url and add to the media library.

Parameters:

array $params

Parameters passed from Wordapp.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_media_list($params)

File: includes/media.php

PDX API Operation : PDX_OP_WP_MEDIA_LIST

Retrieves list of items in media library by query criteria.

Parameters

array $params

The query criteria.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_meta_get ($params)

File: includes/meta.php

PDX API Operation : PDX_OP_WP_POST_META_GET

Post meta get operation.

Parameters:

array $params

Operation parameters passed from Wordapp Platform.

Returns:

mixed

JSON that indicates success/failure status of the operation in ‘success’ field, and an appropriate ‘data’ or ‘error’ fields.

wa_pdx_op_meta_update ($params)

File: includes/meta.php

PDX API Operation : PDX_OP_WP_POST_META_UPDATE

Post meta update operation.

Parameters:

array $params

Operation parameters passed from Wordapp Platform.

Returns:

mixed

JSON that indicates success/failure of the operation, or JSON that indicates an error occurred.

wa_pdx_op_prepare_preview ($params)

File: includes/preview.php

PDX API Operation : PDX_OP_WP_PREPARE_PREVIEW

Prepares unpublished post for preview

Parameters:

array $params

Operation parameters passed from Wordapp Platform.

Returns:

string

Preview URL.

wa_pdx_filter_pre_get_posts( $query )

File: includes/preview.php

Internal function.

Filter function for preview hook.
This hook function is called after the query variable object is created, but before the actual query is run.

Parameters:

Object $query

The WP_Query object by reference.
Returns:

Object

Returns the passed query object.

wa_pdx_filter_posts_results( $posts )

File: includes/preview.php

Internal function.

Filter function for preview hook.
Filters the raw post results array, prior to status checks.

Parameters:
array $posts

The post results array.
Returns:

Array

The altered posts array.

wa_pdx_generate_preview_access_token ($post_id, $preview_token)

File: includes/preview.php

Internal function.

Generates preview access token.

Parameters:
int $post_id

The post id to generate preview access token.
string $preview_token

The security token for preview. This token sets up by configuration process.
Returns:

string

Generated preview access token.

wa_pdx_check_preview_access_token ($post_id, $wa_pat, $preview_token)

File: includes/preview.php

Internal function.

Checks if provided token gives access for preview.
Parameters:

int $post_id

The post id to check access for preview.
string $wa_pat

The preview access token.
string $preview_token

The security token for preview. This token sets up by configuration process.
Returns:

bool

Whether preview access is allowed.

wa_pdx_generate_preview_url ($post_id)

File: includes/preview.php

Internal function.

Generates preview url.

Parameters:
int $post_id

The post id to generate preview url.
Returns:

string

Preview url.

wa_pdx_seo_plugins_integrate ($post_id, $title, $description, $focus_keyword)

File: includes/integrations.php

Internal function.

Integration with SEO related plugins.

Supported plugins: Yoast SEO, All in One SEO Pack

Parameters:

integer $post_id

Post id.

string $title

Meta title.

string $description

Meta description.

string $focus_keyword

Focus keyword.

wa_pdx_random_hex_string ($len)

File: includes/common.php

Internal function.

Generates random hex string by given length.

Parameters:

integer $len

Required random string length.

Returns:

string

Random hex string.

wa_pdx_send_response ($msg, $success = false)

File: includes/common.php

Internal function.

Sends JSON response and closes HTTP request.

Parameters:

mixed $msg

Value of the ‘data’ or ‘error’ fields in JSON response. When $success = true then ‘data’ = $msg. When $success = false then ‘error’ = $msg.

boolean $success

The ‘success’ field in JSON response.

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