Merge pull request #238 from vip30/add-chat-unfurl

Adds support for unfurls in Slack Web AP

README.md

@@ -24,7 +24,7 @@ def application do
 end
 
 def deps do
-  [{:slack, "~> 0.23.5"}]
+  [{:slack, "~> 0.23.6"}]
 end
 ```
 

lib/slack/web/docs/chat.unfurl.json

@@ -0,0 +1,75 @@
+{
+    "desc":"Provide custom unfurl behavior for user-posted URLs.",
+    "args":{
+       "ts":{
+          "required":true,
+          "example":"1405894322.002768",
+          "desc":"Timestamp of the message to add unfurl behavior to."
+       },
+       "channel":{
+          "required":true,
+          "type":"channel",
+          "example":"C1234567890",
+          "desc":"Channel ID of the message."
+       },
+       "unfurls":{
+          "required":true,
+          "desc":"URL-encoded JSON map with keys set to URLs featured in the the message, pointing to their unfurl blocks or message attachments."
+       },
+       "user_auth_message":{
+          "required":false,
+          "desc":"Provide a simply-formatted string to send as an ephemeral message to the user as invitation to authenticate further and enable full unfurling behavior."
+       },
+       "user_auth_required":{
+          "required":false,
+          "example":true,
+          "desc":"Set to true or 1 to indicate the user must install your Slack app to trigger unfurls for this domain."
+       },
+       "user_auth_url":{
+          "required":false,
+          "example":"https://example.com/onboarding?user_id=xxx",
+          "desc":"Send users to this custom URL where they will complete authentication in your app to fully trigger unfurling. Value should be properly URL-encoded.."
+       }
+    },
+    "errors":{
+       "missing_channel":"The request is missing the channel parameter",
+       "missing_ts":"The request is missing the ts parameter",
+       "cannot_find_channel":"The specified channel could not be located for this token.",
+       "cannot_find_service":"A record of your app being allowed to unfurl for this workspace could not be found.",
+       "cannot_parse_attachment":"The provided unfurls argument could not be parsed or understood.",
+       "missing_unfurls":"The request is missing the unfurls parameter.",
+       "invalid_unfurls_format":"The unfurls parameter cannot be JSON-decoded into a map of URLs to attachments.",
+       "cannot_unfurl_url":"The URL cannot be unfurled. This error may be returned if you haven't acknowledged a link_shared event tied to the same URL. It is also returned when the domain appears in a workspace's administrative blacklists.",
+       "cannot_prompt":"The current user has already interacted with and dismissed a prompt for this application.",
+       "cannot_find_message":"The ts value in the request does not match a message.",
+       "cannot_unfurl_message":"The URL cannot be unfurled because the URL provided does not appear in the message.",
+       "not_authed":"No authentication token provided.",
+       "invalid_auth":"Some aspect of authentication cannot be validated. Either the provided token is invalid or the request originates from an IP address disallowed from making the request.",
+       "account_inactive":"Authentication token is for a deleted user or workspace.",
+       "token_revoked":"Authentication token is for a deleted user or workspace or the app has been removed.",
+       "no_permission":"The workspace token used in this request does not have the permissions necessary to complete the request. Make sure your app is a member of the conversation it's attempting to post a message to.",
+       "org_login_required":"The workspace is undergoing an enterprise migration and will not be available until migration is complete.",
+       "ekm_access_denied":"Administrators have suspended the ability to post a message.",
+       "missing_scope":"The token used is not granted the specific scope permissions required to complete this request.",
+       "not_allowed_token_type":"The token type used in this request is not allowed.",
+       "method_deprecated":"The method has been deprecated.",
+       "deprecated_endpoint":"The endpoint has been deprecated.",
+       "two_factor_setup_required":"Two factor setup is required.",
+       "enterprise_is_restricted":"The method cannot be called from an Enterprise.",
+       "is_bot":"This method cannot be called by a bot user.",
+       "invalid_arguments":"The method was either called with invalid arguments or some detail about the arguments passed are invalid, which is more likely when using complex arguments like blocks or attachments.",
+       "invalid_arg_name":"The method was passed an argument whose name falls outside the bounds of accepted or expected values. This includes very long names and names with non-alphanumeric characters other than _. If you get this error, it is typically an indication that you have made a very malformed API call.",
+       "invalid_array_arg":"The method was passed an array as an argument. Please only input valid strings.",
+       "invalid_charset":"The method was called via a POST request, but the charset specified in the Content-Type header was invalid. Valid charset names are: utf-8 iso-8859-1.",
+       "invalid_form_data":"The method was called via a POST request with Content-Type application/x-www-form-urlencoded or multipart/form-data, but the form data was either missing or syntactically invalid.",
+       "invalid_post_type":"The method was called via a POST request, but the specified Content-Type was invalid. Valid types are: application/json application/x-www-form-urlencoded multipart/form-data text/plain.",
+       "missing_post_type":"The method was called via a POST request and included a data payload, but the request did not include a Content-Type header.",
+       "team_added_to_org":"The workspace associated with your request is currently undergoing migration to an Enterprise Organization. Web API and other platform operations will be intermittently unavailable until the transition is complete.",
+       "ratelimited":"The request has been ratelimited. Refer to the Retry-After header for when to retry the request.",
+       "accesslimited":"Access to this method is limited on the current network",
+       "request_timeout":"The method was called via a POST request, but the POST data was either missing or truncated.",
+       "service_unavailable":"The service is temporarily unavailable",
+       "fatal_error":"The server could not complete your operation(s) without encountering a catastrophic error. It's possible some aspect of the operation succeeded before the error was raised.",
+       "internal_error":"The server could not complete your operation(s) without encountering an error, likely due to a transient issue on our end. It's possible some aspect of the operation succeeded before the error was raised."
+    }
+ }

mix.exs

@@ -4,7 +4,7 @@ defmodule Slack.Mixfile do
   def project do
     [
       app: :slack,
-      version: "0.23.5",
+      version: "0.23.6",
       elixir: "~> 1.7",
       elixirc_paths: elixirc_paths(Mix.env()),
       name: "Slack",