public async Task <ComposeExtensionResponse> GetComposeExtensionResponse(Activity activity, IBotDataStore <BotData> botDataStore)
{
ComposeExtensionResponse composeExtensionResponse = null;
ImageResult imageResult = null;
List <ComposeExtensionAttachment> composeExtensionAttachments = new List <ComposeExtensionAttachment>();
var userData = await TemplateUtility.GetBotUserDataObject(botDataStore, activity);
var userPreferredCardType = userData.GetProperty <string>(Strings.ComposeExtensionCardTypeKeyword);
bool isSettingUrl = false;
var composeExtensionQuery = activity.GetComposeExtensionQueryData();
if (string.Equals(activity.Name.ToLower(), Strings.ComposeExtensionQuerySettingUrl))
{
isSettingUrl = true;
}
if (composeExtensionQuery.CommandId == null || composeExtensionQuery.Parameters == null)
{
return(null);
}
var initialRunParameter = GetQueryParameterByName(composeExtensionQuery, Strings.manifestInitialRun);
var queryParameter = GetQueryParameterByName(composeExtensionQuery, Strings.manifestParameterName);
if (userData == null)
{
composeExtensionResponse = new ComposeExtensionResponse();
string message = Strings.ComposeExtensionNoUserData;
composeExtensionResponse.ComposeExtension = GetMessageResponseResult(message);
return(composeExtensionResponse);
}
/**
* Below are the checks for various states that may occur
* Note that the order of many of these blocks of code do matter
*/
// situation where the incoming payload was received from the config popup
if (!string.IsNullOrEmpty(composeExtensionQuery.State))
{
ParseSettingsAndSave(composeExtensionQuery.State, userData, activity, botDataStore);
/**
* //// need to keep going to return a response so do not return here
* //// these variables are changed so if the word 'setting' kicked off the compose extension,
* //// then the word setting will not retrigger the config experience
**/
queryParameter = "";
initialRunParameter = "true";
}
// this is a sitaution where the user's preferences have not been set up yet
if (string.IsNullOrEmpty(userData.GetProperty <string>(Strings.ComposeExtensionCardTypeKeyword)))
{
composeExtensionResponse = GetConfig();
return(composeExtensionResponse);
}
/**
* // this is the situation where the user has entered the word 'reset' and wants
* // to clear his/her settings
* // resetKeyword for English is "reset"
**/
if (string.Equals(queryParameter.ToLower(), Strings.ComposeExtensionResetKeyword))
{
userData.RemoveProperty(Strings.ComposeExtensionCardTypeKeyword);
await TemplateUtility.SaveBotUserDataObject(botDataStore, activity, userData);
composeExtensionResponse = new ComposeExtensionResponse();
composeExtensionResponse.ComposeExtension = GetMessageResponseResult(Strings.ComposeExtensionResetText);
return(composeExtensionResponse);
}
/**
* // this is the situation where the user has entered "setting" or "settings" in order
* // to repromt the config experience
* // keywords for English are "setting" and "settings"
**/
if ((string.Equals(queryParameter.ToLower(), Strings.ComposeExtensionSettingKeyword) || string.Equals(queryParameter.ToLower(), Strings.ComposeExtensionSettingsKeyword)) || (isSettingUrl))
{
composeExtensionResponse = GetConfig();
return(composeExtensionResponse);
}
/**
* // this is the situation where the user in on the initial run of the compose extension
* // e.g. when the user first goes to the compose extension and the search bar is still blank
* // in order to get the compose extension to run the initial run, the setting "initialRun": true
* // must be set in the manifest for the compose extension
**/
if (initialRunParameter == "true")
{
//Signin Experience, please uncomment below code for Signin Experience
//composeExtensionResponse = GetSignin(composeExtensionResponse);
//return composeExtensionResponse;
composeExtensionResponse = new ComposeExtensionResponse();
var historySearchWikiResult = userData.GetProperty <List <WikiHelperSearchResult> >(ComposeExtensionSelectedResultsKey);
if (historySearchWikiResult != null)
{
foreach (var searchResult in historySearchWikiResult)
{
WikiHelperSearchResult wikiSearchResult = new WikiHelperSearchResult(searchResult.imageUrl, searchResult.highlightedTitle, searchResult.text);
// create the card itself and the preview card based upon the information
var createdCardAttachment = TemplateUtility.CreateComposeExtensionCardsAttachments(wikiSearchResult, userPreferredCardType);
composeExtensionAttachments.Add(createdCardAttachment);
}
composeExtensionResponse = GetComposeExtensionQueryResult(composeExtensionAttachments);
}
else
{
composeExtensionResponse.ComposeExtension = GetMessageResponseResult(Strings.ComposeExtensionInitialRunText);
}
return(composeExtensionResponse);
}
/**
* Below here is simply the logic to call the Wikipedia API and create the response for
* a query; the general flow is to call the Wikipedia API for the query and then call the
* Wikipedia API for each entry for the query to see if that entry has an image; in order
* to get the asynchronous sections handled, an array of Promises for cards is used; each
* Promise is resolved when it is discovered if an image exists for that entry; once all
* of the Promises are resolved, the response is sent back to Teams
*/
WikiResult wikiResult = await SearchWiki(queryParameter, composeExtensionQuery);
// enumerate search results and build Promises for cards for response
foreach (var searchResult in wikiResult.query.search)
{
//Get the Image result on the basis of Image Title one by one
imageResult = await SearchWikiImage(searchResult);
//Get the Image Url from imageResult
string imageUrl = GetImageURL(imageResult);
string cardText = searchResult.snippet + " ...";
WikiHelperSearchResult wikiSearchResult = new WikiHelperSearchResult(imageUrl, searchResult.title, cardText);
// create the card itself and the preview card based upon the information
var createdCardAttachment = TemplateUtility.CreateComposeExtensionCardsAttachments(wikiSearchResult, userPreferredCardType);
composeExtensionAttachments.Add(createdCardAttachment);
}
composeExtensionResponse = GetComposeExtensionQueryResult(composeExtensionAttachments);
return(composeExtensionResponse);
}
/// <summary>
/// Handle the callback received when the user selects an item from the results list
/// </summary>
/// <param name="activity"></param>
/// <returns></returns>
public async Task <MessagingExtensionResponse> HandleComposeExtensionSelectedItem(ITurnContext <IInvokeActivity> turnContext, MessagingExtensionQuery query)
{
// Keep a history of recently-selected items in bot user data. The history will be returned in response to the initialRun query
var userData = await TemplateUtility.GetBotUserDataObject(_userState, turnContext, query);
//Get the Max number of History items from config file
int maxComposeExtensionHistoryCount = Convert.ToInt32(ConfigurationManager.AppSettings[MaxComposeExtensionHistoryCountKey]);
WikiHelperSearchResult selectedItem = JsonConvert.DeserializeObject <WikiHelperSearchResult>(turnContext.Activity.Value.ToString());
var historySearchWikiResult = userData.ComposeExtensionSelectedResults;
//Removing other occurrences of the current selectedItem so there are not duplicates in the most recently used list
if (historySearchWikiResult != null && historySearchWikiResult.Count > 0)
{
int index = 0;
while (index < historySearchWikiResult.Count)
{
if (string.Equals(historySearchWikiResult[index].highlightedTitle.ToLower(), selectedItem.highlightedTitle.ToLower()))
{
historySearchWikiResult.RemoveAt(index);
}
else
{
index++;
}
}
}
else
{
historySearchWikiResult = new List <WikiHelperSearchResult>();
}
//Add new item in list
historySearchWikiResult.Insert(0, selectedItem);
//Restrict the transaction History with Max Items.
if (historySearchWikiResult.Count > maxComposeExtensionHistoryCount)
{
historySearchWikiResult = historySearchWikiResult.GetRange(0, maxComposeExtensionHistoryCount);
}
//Save the history Items in user Data
await TemplateUtility.SaveBotUserDataObject(_userState, turnContext, historySearchWikiResult);
MessagingExtensionResponse composeExtensionResponse = new MessagingExtensionResponse();
List <MessagingExtensionAttachment> composeExtensionAttachment = new List <MessagingExtensionAttachment>();
if (selectedItem != null)
{
// create the card itself and the preview card based upon the information
// check user preference for which type of card to create
var userPreferredCardType = userData.ComposeExtensionCardType;
var createdCardAttachment = TemplateUtility.CreateComposeExtensionCardsAttachmentsSelectedItem(selectedItem, userPreferredCardType);
composeExtensionAttachment.Add(createdCardAttachment);
composeExtensionResponse = GetComposeExtensionQueryResult(composeExtensionAttachment);
}
else
{
composeExtensionResponse.ComposeExtension = GetMessageResponseResult(Strings.ComposeExtensionInitialRunText);
}
return(composeExtensionResponse);
}
// used to parse the user preferences from the state and save them for later use
public async void ParseSettingsAndSave(string state, BotData userData, Activity activity, IBotDataStore <BotData> service)
{
userData.SetProperty <string>("composeExtensionCardType", state);
await TemplateUtility.SaveBotUserDataObject(service, activity, userData);
}