public static string GetImageURL(ImageResult imageResult)
{
string imageUrl = string.Empty;
if (imageResult != null && imageResult.query.pages != null && imageResult.query.pages.Count > 0 && imageResult.query.pages[0].thumbnail != null)
{
imageUrl = imageResult.query.pages[0].thumbnail.source;
}
else
{
// no image so use default Wikipedia image
imageUrl = "https://upload.wikimedia.org/wikipedia/commons/d/de/Wikipedia_Logo_1.0.png";
}
return(imageUrl);
}
public static ImageResult SearchWikiImage(Search wikiSearch)
{
ImageResult imageResult = null;
// a separate API call to Wikipedia is needed to fetch the page image, if it exists
string imageApiUrl = imageApiUrlFormat.Replace("[title]", wikiSearch.title);
try
{
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(imageApiUrl);
using (HttpWebResponse response = (HttpWebResponse)myRequest.GetResponse())
{
string ResponseText;
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
ResponseText = reader.ReadToEnd();
imageResult = JsonConvert.DeserializeObject <ImageResult>(ResponseText);
}
}
}
catch (Exception ex)
{
}
return(imageResult);
}
public async Task <MessagingExtensionResponse> GetComposeExtensionResponseAsync(ITurnContext <IInvokeActivity> turnContext, MessagingExtensionQuery query)
{
MessagingExtensionResponse composeExtensionResponse = null;
ImageResult imageResult = null;
List <MessagingExtensionAttachment> composeExtensionAttachments = new List <MessagingExtensionAttachment>();
var userData = await TemplateUtility.GetBotUserDataObject(_userState, turnContext, query);
var userPreferredCardType = userData.ComposeExtensionCardType;
var activity = turnContext.Activity;
bool isSettingUrl = false;
if (string.Equals(activity.Name.ToLower(), Strings.ComposeExtensionQuerySettingUrl))
{
isSettingUrl = true;
}
if (query.CommandId == null || query.Parameters == null)
{
return(null);
}
var initialRunParameter = GetQueryParameterByName(query, Strings.manifestInitialRun);
var queryParameter = GetQueryParameterByName(query, Strings.manifestParameterName);
if (userData == null)
{
composeExtensionResponse = new MessagingExtensionResponse();
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(query.State))
{
/**
* // 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 (userData.ComposeExtensionCardType == null)
{
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))
{
composeExtensionResponse = new MessagingExtensionResponse();
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 MessagingExtensionResponse();
var historySearchWikiResult = userData.ComposeExtensionSelectedResults;
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, query);
// 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);
}
public static ComposeExtensionResponse GetComposeExtensionResponse(Activity activity)
{
ComposeExtensionResponse composeExtensionResponse = null;
ImageResult imageResult = null;
List <ComposeExtensionAttachment> lstComposeExtensionAttachment = new List <ComposeExtensionAttachment>();
StateClient stateClient = activity.GetStateClient();
BotData userData = stateClient.BotState.GetUserData(activity.ChannelId, activity.From.Id);
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, stateClient, activity);
/**
* //// 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(composeExtensionResponse);
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))
{
//make the userData null
userData = null;
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(composeExtensionResponse);
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 = WikiHelper.GetSignin(composeExtensionResponse);
//return composeExtensionResponse;
composeExtensionResponse = new ComposeExtensionResponse();
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 = 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 = SearchWikiImage(searchResult);
//Get the Image Url from imageResult
string imageUrl = GetImageURL(imageResult);
//Set the Highlighter title
string highlightedTitle = GetHighLightedTitle(searchResult.title, queryParameter);
string cardText = searchResult.snippet + " ...";
// create the card itself and the preview card based upon the information
// check user preference for which type of card to create
lstComposeExtensionAttachment.Add(TemplateUtility.CreateComposeExtensionCardsAttachments(highlightedTitle, cardText, imageUrl, userData.GetProperty <string>(Strings.ComposeExtensionCardTypeKeyword)));
}
composeExtensionResponse = GetComposeExtenionQueryResult(composeExtensionResponse, lstComposeExtensionAttachment);
return(composeExtensionResponse);
}