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tgbotapi/TelegramBotAPI-extensions-utils
2020-05-13 20:01:58 +06:00
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src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/extensions/utils extension was added 2020-05-13 20:01:58 +06:00
build.gradle add TelegramBotAPI-extensions-utils 2020-04-08 11:05:48 +06:00
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mpp_publish_template.json add TelegramBotAPI-extensions-utils 2020-04-08 11:05:48 +06:00
publish.gradle add TelegramBotAPI-extensions-utils 2020-04-08 11:05:48 +06:00
README.md small update of utils readme 2020-05-10 16:40:53 +06:00

TelegramBotAPI Util Extensions

Download Maven Central

What is it?

It is wrapper library for TelegramBotAPI. Currently, this library contains some usefull filters for commands, updates types and different others.

How to implement library?

Common ways to implement this library are presented here. In some cases it will require additional steps like inserting of additional libraries (like kotlin stdlib). In the examples will be used variable telegrambotapi-extensions-utils_version, which must be set up by developer. Available versions are presented on bintray, next version is last published:

Download

Maven

Dependency config presented here:

<dependency>
  <groupId>com.github.insanusmokrassar</groupId>
  <artifactId>TelegramBotAPI-extensions-utils</artifactId>
  <version>${telegrambotapi-extensions-utils_version}</version>
</dependency>

Gradle

To use last versions you will need to add one line in repositories block of your build.gradle:

jcenter() or mavenCentral()

And add next line to your dependencies block:

implementation "com.github.insanusmokrassar:TelegramBotAPI-extensions-utils:$telegrambotapi-extensions-utils_version"

or for old gradle:

compile "com.github.insanusmokrassar:TelegramBotAPI-extensions-utils:$telegrambotapi-extensions-utils_version"

How to use?

Here will be presented several examples of usage. In all cases it is expected that you have created your bot and filter:

val bot: RequestsExecutor = KtorRequestsExecutor(
    TelegramAPIUrlsKeeper(BOT_TOKEN)
)
val filter = FlowsUpdatesFilter(64)

Alternative way to use the things below:

val filter = bot.startGettingUpdates(
    scope = CoroutineScope(Dispatchers.Default)
) {
    // place code from examples here with replacing of `filter` by `this`
}

Filters

There are several filters for flows.

Sent messages

All sent messages can be filtered for three types:

Type Description Flow extension
Common messages Simple messages with text, media, location, etc. asContentMessagesFlow
Chat actions New chat member, rename of chat, etc. asChatEventsFlow
Unknown events Any other messages, that contain unsupported data asUnknownMessagesFlow
Common messages

Unfortunately, due to the erasing of generic types, when you are using asContentMessagesFlow you will retrieve data with type ContentMessage<*>. For correct filtering of content type for retrieved objects, was created special filters:

Content type Result type Flow extension
Animation ContentMessage<AnimationContent> onlyAnimationContentMessages
Audio ContentMessage<AudioContent> onlyAudioContentMessages
Contact ContentMessage<ContactContent> onlyContactContentMessages
Dice ContentMessage<DiceContent> onlyDiceContentMessages
Document ContentMessage<DocumentContent> onlyDocumentContentMessages
Game ContentMessage<GameContent> onlyGameContentMessages
Invoice ContentMessage<InvoiceContent> onlyInvoiceContentMessages
Location ContentMessage<LocationContent> onlyLocationContentMessages
Photo ContentMessage<PhotoContent> onlyPhotoContentMessages
Poll ContentMessage<PollContent> onlyPollContentMessages
Sticker ContentMessage<StickerContent> onlyStickerContentMessages
Text ContentMessage<TextContent> onlyTextContentMessages
Venue ContentMessage<VenueContent> onlyVenueContentMessages
Video ContentMessage<VideoContent> onlyVideoContentMessages
VideoNote ContentMessage<VideoNoteContent> onlyVideoNoteContentMessages
Voice ContentMessage<VoiceContent> onlyVoiceContentMessages

For example, if you wish to get only photo messages from private chats of groups, you should call next code:

filter.messageFlow.asContentMessagesFlow().onlyPhotoContentMessages().onEach {
    println(it.content)
}.launchIn(
    CoroutineScope(Dispatchers.Default)
)
Chat actions

Chat actions can be divided for three types of events source:

Type Flow extension
Channel events onlyChannelEvents
Group events onlyGroupEvents
Supergroup events onlySupergroupEvents

According to this table, if you want to add filtering by supergroup events, you will use code like this:

filter.messageFlow.asChatEventsFlow().onlySupergroupEvents().onEach {
    println(it.chatEvent)
}.launchIn(
    CoroutineScope(Dispatchers.Default)
)

Shortcuts

With shortcuts you are able to use simple factories for several things.

ScheduledCloseInfo

In case if you are creating some poll, you able to use next shortcuts.

Next sample will use info with closing at the 10 seconds after now:

closePollExactAt(DateTime.now() + TimeSpan(10000.0))

In this example we will do the same, but in another way:

closePollExactAfter(10)

Here we have passed 10 seconds and will get the same result object.

In opposite to previous shortcuts, the next one will create approximate closing schedule:

closePollAfter(10)

The main difference here is that the last one will be closed after 10 seconds since the sending. With first samples will be created exact time for closing of poll