/
ActivityHandlers.cs
121 lines (111 loc) · 4.34 KB
/
ActivityHandlers.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
using AdaptiveCards;
using AdaptiveCards.Templating;
using Microsoft.Bot.Builder;
using Microsoft.Bot.Schema;
using Microsoft.Bot.Schema.Teams;
using Microsoft.Teams.AI;
using Microsoft.Teams.AI.State;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using SearchCommand.Model;
using System.Collections.Specialized;
using System.Web;
namespace SearchCommand
{
/// <summary>
/// Defines the activity handlers.
/// </summary>
public class ActivityHandlers
{
private readonly HttpClient _httpClient;
private readonly string _packageCardFilePath = Path.Combine(".", "Resources", "PackageCard.json");
public ActivityHandlers(IHttpClientFactory httpClientFactory)
{
_httpClient = httpClientFactory.CreateClient("WebClient");
}
/// <summary>
/// Handles Message Extension query events.
/// </summary>
public QueryHandlerAsync<TurnState> QueryHandler => async (ITurnContext turnContext, TurnState turnState, Query<Dictionary<string, object>> query, CancellationToken cancellationToken) =>
{
string text = (string)query.Parameters["queryText"];
int count = query.Count;
Package[] packages = await SearchPackages(text, count, cancellationToken);
// Format search results
List<MessagingExtensionAttachment> attachments = packages.Select(package => new MessagingExtensionAttachment
{
ContentType = HeroCard.ContentType,
Content = new HeroCard
{
Title = package.Id,
Text = package.Description
},
Preview = new HeroCard
{
Title = package.Id,
Text = package.Description,
Tap = new CardAction
{
Type = "invoke",
Value = package
}
}.ToAttachment()
}).ToList();
return new MessagingExtensionResult
{
Type = "result",
AttachmentLayout = "list",
Attachments = attachments
};
};
/// <summary>
/// Handles Message Extension selecting item events.
/// </summary>
public SelectItemHandlerAsync<TurnState> SelectItemHandler => async (ITurnContext turnContext, TurnState turnState, object item, CancellationToken cancellationToken) =>
{
JObject? obj = item as JObject;
CardPackage package = CardPackage.Create(obj!.ToObject<Package>()!);
string cardTemplate = await File.ReadAllTextAsync(_packageCardFilePath, cancellationToken)!;
string cardContent = new AdaptiveCardTemplate(cardTemplate).Expand(package);
MessagingExtensionAttachment attachment = new()
{
ContentType = AdaptiveCard.ContentType,
Content = JsonConvert.DeserializeObject(cardContent)
};
return new MessagingExtensionResult
{
Type = "result",
AttachmentLayout = "list",
Attachments = new List<MessagingExtensionAttachment> { attachment }
};
};
private async Task<Package[]> SearchPackages(string text, int size, CancellationToken cancellationToken)
{
// Call NuGet Search API
NameValueCollection query = HttpUtility.ParseQueryString(string.Empty);
query["q"] = text;
query["take"] = size.ToString();
string queryString = query.ToString()!;
string responseContent;
try
{
responseContent = await _httpClient.GetStringAsync($"https://azuresearch-usnc.nuget.org/query?{queryString}", cancellationToken);
}
catch (Exception)
{
throw;
}
if (!string.IsNullOrWhiteSpace(responseContent))
{
JObject responseObj = JObject.Parse(responseContent);
return responseObj["data"]?
.Select(obj => obj.ToObject<Package>()!)?
.ToArray() ?? Array.Empty<Package>();
}
else
{
return Array.Empty<Package>();
}
}
}
}