tbcomctl

package module
v0.2.6 Latest Latest
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 Go to latest Published: Aug 30, 2021 License: MIT Imports: 16 Imported by: 0

README 

===================================
Common Controls Library for Telebot
===================================

Library provides common controls to use with Telebot_ library.

* Picklist
* Rating
* Post Buttons
* Keyboard
* Middleware
* Helper functions for logging.

.. _Telebot: https://github.com/tucnak/telebot

Documentation

Overview

Package tbcomctl provides common controls for telegram bots.

Index

Constants

View Source 
const (
	MsgUnexpected  = "🤯 (500) Unexpected error occurred."
	MsgRetry       = "Incorrect choice."
	MsgChooseVal   = "Choose value from the list:"
	MsgOK          = "✅"
	MsgVoteCounted = "✅ Vote counted."
	MsgSubCheck    = "？ Check subscription >>"
	MsgSubNoSub    = "❌ You're not subscribed to one or more of the required channels."
)
View Source 
const (
	FallbackLang = "en-US"
)
View Source 
const (
	None = "<none>"
)

Variables

View Source 
var (
	// ErrRetry should be returned by CallbackFunc if the retry should be performed.
	ErrRetry = &Error{Type: TErrRetry, Msg: "retry", Alert: true}
	// ErrNoChange should be returned if the user picked the same value as before, and no update needed.
	ErrNoChange = &Error{Type: TErrNoChange, Msg: "no change"}
)
View Source 
var ErrAlreadyVoted = errors.New("already voted")

Functions

func ButtonMarkup 

func ButtonMarkup(b Boter, values []string, maxRowButtons int, cbFn func(*tb.Callback)) *tb.ReplyMarkup

ButtonMarkup returns the button markup for the message. It creates handlers for all the buttons assigning the cbFn callback function to each of them. Values must be unique. maxRowButtons is maximum number of buttons in a row.

func ButtonPatternMarkup added in v0.2.4 

func ButtonPatternMarkup(b Boter, values []string, pattern []uint, cbFn func(*tb.Callback)) (*tb.ReplyMarkup, error)

func ChatInfo 

func ChatInfo(ch *tb.Chat) string

ChatInfo returns the chat info.

func NewControllerChain 

func NewControllerChain(first Controller, cc ...Controller) func(m *tb.Message)

func NewInputError 

func NewInputError(msg string) error

NewInputError returns an input error with msg.

func NoDebugLogger 

func NoDebugLogger()

NoDebugLogger switches off debug messages.

func NoLogging 

func NoLogging()

NoLogging switches off default logging, if you're brave.

func Nvlstring 

func Nvlstring(s string, ss ...string) string

func Printer 

func Printer(lang string, fallback ...string) *message.Printer

func PrivateOnly 

func PrivateOnly(fn func(m *tb.Message)) func(*tb.Message)

PrivateOnly is the middleware that restricts the handler to only private messages.

func PrivateOnlyMsg 

func PrivateOnlyMsg(b Boter, msg string, fn func(m *tb.Message)) func(*tb.Message)

func Sdump 

func Sdump(m interface{}) string

Sdump dumps the structure.

func SetDebugLogger 

func SetDebugLogger(l Logger)

SetDebugLogger sets the debug logger which is used to output debug messages, if you must. By default, debug logging is disabled.

func SetLogger 

func SetLogger(l Logger)

SetLogger sets the current logger.

func Userinfo 

func Userinfo(u *tb.User) string

Userinfo returns the user info.

func WithController 

func WithController(ctx context.Context, ctrl Controller) context.Context

Types

type BotChecker 

type BotChecker interface {
	Boter
	ChatMemberOf(chat *tb.Chat, user *tb.User) (*tb.ChatMember, error)
	ChatByID(id string) (*tb.Chat, error)
}

type BotNotifier 

type BotNotifier interface {
	Boter
	Notify(to tb.Recipient, action tb.ChatAction) error
}

type Boter 

type Boter interface {
	Handle(endpoint interface{}, handler interface{})
	Send(to tb.Recipient, what interface{}, options ...interface{}) (*tb.Message, error)
	Edit(msg tb.Editable, what interface{}, options ...interface{}) (*tb.Message, error)
	Respond(c *tb.Callback, resp ...*tb.CallbackResponse) error
}

Boter is the interface to send messages.

type BtnCallbackFunc 

type BtnCallbackFunc func(ctx context.Context, cb *tb.Callback) error

BtnCallbackFunc is being called once the user picks the value, it should return error if the value is incorrect, or ErrRetry if the retry should be performed.

type BtnLabel 

type BtnLabel string

type Button 

type Button struct {
	Name  string `json:"n"`
	Value int    `json:"v"`
}

func (*Button) String 

func (ri *Button) String() string

type Controller 

type Controller interface {
	// Handler is the controller's message handler.
	Handler(m *tb.Message)
	// Name returns the name of the control assigned to it on creation.  When
	// Controller is a part of a form, one can call Form.Controller(name) method
	// to get the controller.
	Name() string
	// SetNext sets the next handler, when control is part of a form.
	SetNext(Controller)
	// SetPrev sets the previous handler.
	SetPrev(Controller)
	// SetForm assigns the form to the controller, this will allow controller to
	// address other controls in a form by name.
	SetForm(*Form)
	// Form returns the form associated with the controller.
	Form() *Form
	// Value returns the value stored in the controller for the recipient.
	Value(recipient string) (string, bool)
	// Bot returns the bot that is used to inialise the controller.
	Bot() Boter
	// OutgoingID should return the value of the outgoing message ID for the
	// user and true if the message is present or false otherwise.
	OutgoingID(recipient string) (int, bool)
}

Controller is the interface that some of the common controls implement. Controllers can be chained together

func ControllerFromCtx 

func ControllerFromCtx(ctx context.Context) (Controller, bool)

type ErrFunc 

type ErrFunc func(ctx context.Context, m *tb.Message, err error)

type ErrType 

type ErrType int
const (
	TErrNoChange ErrType = iota
	TErrRetry
	TInputError
)

type Error 

type Error struct {
	Alert bool
	Msg   string
	Type  ErrType
}

func (*Error) Error 

func (e *Error) Error() string

type Form 

type Form struct {
	// contains filtered or unexported fields
}

func NewForm 

func NewForm(ctrls ...Controller) *Form

func (*Form) Controller 

func (fm *Form) Controller(name string) (Controller, bool)

Controller returns the Form Controller by it's name.

func (*Form) Data 

func (fm *Form) Data(r tb.Recipient) map[string]string

Data returns form data for the recipient.

func (*Form) Handler 

func (fm *Form) Handler(m *tb.Message)

func (*Form) OnTextMiddleware 

func (fm *Form) OnTextMiddleware(onText func(m *tb.Message)) func(m *tb.Message)

OnTextMiddleware returns the middleware for OnText handler.

func (*Form) SetOverwrite 

func (fm *Form) SetOverwrite(b bool) *Form

SetOverwrite sets the overwrite flag on all controllers within the form.

func (*Form) SetRemoveButtons 

func (fm *Form) SetRemoveButtons(b bool) *Form

SetRemoveButtons sets the remove buttons flag on all controllers within the form.

func (*Form) Value 

func (fm *Form) Value(ctrlName, recipient string) (string, bool)

Value returns the form control value for recipient by name

type Input 

type Input struct {

	// UniqName is the unique name of the field (used to create pipelines, not
	// shown to the user)
	UniqName string
	// OnTextFn is the message callback function called when user responds.  If
	// it returns the error, user will be informed about it.
	OnTextFn MsgErrFunc
	// contains filtered or unexported fields
}

func NewInput 

func NewInput(b BotNotifier, name string, textFn TextFunc, onTextFn MsgErrFunc, opts ...InputOption) *Input

NewInput text creates a new text input, optionally chaining with the `next` handler. One must use Handle as a handler for bot endpoint, and then hook the OnText to OnTextMw. msgFn is the function that should produce the text that user initially sees, onTextFn is the function that should process the user input. It should return an error if the user input is not accepted, and then user is offered to retry. It can format the return error with fmt.Errorf, as this is what user will see. next is allowed to be nil.

func NewInputText 

func NewInputText(b BotNotifier, name string, text string, onTextFn MsgErrFunc, opts ...InputOption) *Input

func (*Input) Bot added in v0.2.4 

func (c *Input) Bot() Boter

func (*Input) Form 

func (c *Input) Form() *Form

func (*Input) Handler 

func (ip *Input) Handler(m *tb.Message)

func (*Input) Name 

func (c *Input) Name() string

func (*Input) OnTextMw 

func (ip *Input) OnTextMw(fn func(m *tb.Message)) func(*tb.Message)

OnTextMw returns the middleware that should wrap the OnText handler. It will process the message only if control awaits for this particular user input.

func (*Input) OutgoingID 

func (c *Input) OutgoingID(recipient string) (int, bool)

OutgoingID returns the controller's outgoing message ID for the user.

func (*Input) SetForm 

func (c *Input) SetForm(fm *Form)

func (*Input) SetNext 

func (c *Input) SetNext(ctrl Controller)

SetNext sets next controller in the chain.

func (*Input) SetPrev 

func (c *Input) SetPrev(ctrl Controller)

SetPrev sets the previous controller in the chain.

func (*Input) SetValue 

func (c *Input) SetValue(recipient string, value string)

SetValue sets the Controller value.

func (*Input) Value 

func (c *Input) Value(recipient string) (string, bool)

Value returns the Controller value for the recipient.

type InputOption 

type InputOption func(*Input)

func IOptNoReply 

func IOptNoReply(b bool) InputOption

func IOptPrivateOnly 

func IOptPrivateOnly(b bool) InputOption

type KbdOption added in v0.2.5 

type KbdOption func(k *Keyboard)

func KbdOptButtonsInRow added in v0.2.5 

func KbdOptButtonsInRow(n int) KbdOption

type Keyboard 

type Keyboard struct {
	// contains filtered or unexported fields
}

func NewKeyboard 

func NewKeyboard(b Boter, cmds KeyboardCommands, opts ...KbdOption) *Keyboard

func (*Keyboard) Bot added in v0.2.4 

func (c *Keyboard) Bot() Boter

func (*Keyboard) Form 

func (c *Keyboard) Form() *Form

func (*Keyboard) InitForLanguages 

func (k *Keyboard) InitForLanguages(lang ...string)

InitForLanguages initialises handlers for languages listed.

func (*Keyboard) Markup 

func (k *Keyboard) Markup(lang string) *tb.ReplyMarkup

Markup returns the markup to be sent to user.

func (*Keyboard) Name 

func (c *Keyboard) Name() string

func (*Keyboard) OutgoingID 

func (c *Keyboard) OutgoingID(recipient string) (int, bool)

OutgoingID returns the controller's outgoing message ID for the user.

func (*Keyboard) SetForm 

func (c *Keyboard) SetForm(fm *Form)

func (*Keyboard) SetNext 

func (c *Keyboard) SetNext(ctrl Controller)

SetNext sets next controller in the chain.

func (*Keyboard) SetPrev 

func (c *Keyboard) SetPrev(ctrl Controller)

SetPrev sets the previous controller in the chain.

func (*Keyboard) SetValue 

func (c *Keyboard) SetValue(recipient string, value string)

SetValue sets the Controller value.

func (*Keyboard) Value 

func (c *Keyboard) Value(recipient string) (string, bool)

Value returns the Controller value for the recipient.

type KeyboardCmd added in v0.2.6 

type KeyboardCmd struct {
	Label   BtnLabel
	Handler func(m *tb.Message)
}

type KeyboardCommands 

type KeyboardCommands []KeyboardCmd

type Logger 

type Logger interface {
	Print(v ...interface{})
	Println(v ...interface{})
	Printf(format string, a ...interface{})
}

Logger is the interface for logging.

func GetLogger 

func GetLogger() Logger

GetLogger returns current logger.

type Message 

type Message struct {
	// contains filtered or unexported fields
}

Message is the controller that sends a message.

func NewMessage 

func NewMessage(b Boter, name string, textfn TextFunc, sendOpts ...interface{}) *Message

NewMessage creates new Message Controller. One must pass Bot instance, name of the controller, text function that returns the desired message and optionally any sendOpts that will be supplied to telebot.Bot.Send.

func NewMessageText 

func NewMessageText(b Boter, name, text string, sendOpts ...interface{}) *Message

NewMessageText is a convenience wrapper for NewMessage with a fixed text.

func (*Message) Bot added in v0.2.4 

func (c *Message) Bot() Boter

func (*Message) Form 

func (c *Message) Form() *Form

func (*Message) Handler 

func (m *Message) Handler(msg *tb.Message)

Handler is the Message controller's message handler.

func (*Message) Name 

func (c *Message) Name() string

func (*Message) OutgoingID 

func (c *Message) OutgoingID(recipient string) (int, bool)

OutgoingID returns the controller's outgoing message ID for the user.

func (*Message) SetForm 

func (c *Message) SetForm(fm *Form)

func (*Message) SetNext 

func (c *Message) SetNext(ctrl Controller)

SetNext sets next controller in the chain.

func (*Message) SetPrev 

func (c *Message) SetPrev(ctrl Controller)

SetPrev sets the previous controller in the chain.

func (*Message) SetValue 

func (c *Message) SetValue(recipient string, value string)

SetValue sets the Controller value.

func (*Message) Value 

func (c *Message) Value(recipient string) (string, bool)

Value returns the Controller value for the recipient.

type MiddlewareFunc 

type MiddlewareFunc func(func(m *tb.Message)) func(m *tb.Message)

type MsgErrFunc 

type MsgErrFunc func(ctx context.Context, m *tb.Message) error

MsgErrFunc is the function that processes the user input. If the input is invalid, it should return InputError with the message, then the user is offered to retry the input.

type PBOption 

type PBOption func(*PostButtons)

func PBOptMaxButtons 

func PBOptMaxButtons(n int) PBOption

type Picklist 

type Picklist struct {
	// contains filtered or unexported fields
}

func NewPicklist 

func NewPicklist(b Boter, name string, textFn TextFunc, valuesFn ValuesFunc, callbackFn BtnCallbackFunc, opts ...PicklistOption) *Picklist

NewPicklist creates a new picklist.

func NewPicklistText 

func NewPicklistText(b Boter, name string, text string, values []string, callbackFn BtnCallbackFunc, opts ...PicklistOption) *Picklist

NewPicklistText is a convenience function to return picklist with fixed text and values.

func (*Picklist) Bot added in v0.2.4 

func (c *Picklist) Bot() Boter

func (*Picklist) Callback 

func (p *Picklist) Callback(cb *tb.Callback)

func (*Picklist) Form 

func (c *Picklist) Form() *Form

func (*Picklist) Handler 

func (p *Picklist) Handler(m *tb.Message)

func (*Picklist) Name 

func (c *Picklist) Name() string

func (*Picklist) OutgoingID 

func (c *Picklist) OutgoingID(recipient string) (int, bool)

OutgoingID returns the controller's outgoing message ID for the user.

func (*Picklist) SetForm 

func (c *Picklist) SetForm(fm *Form)

func (Picklist) SetMaxButtons 

func (b Picklist) SetMaxButtons(n int)

func (*Picklist) SetNext 

func (c *Picklist) SetNext(ctrl Controller)

SetNext sets next controller in the chain.

func (*Picklist) SetPrev 

func (c *Picklist) SetPrev(ctrl Controller)

SetPrev sets the previous controller in the chain.

func (*Picklist) SetValue 

func (c *Picklist) SetValue(recipient string, value string)

SetValue sets the Controller value.

func (*Picklist) Value 

func (c *Picklist) Value(recipient string) (string, bool)

Value returns the Controller value for the recipient.

type PicklistOption 

type PicklistOption func(p *Picklist)

func PickOptBtnPattern added in v0.2.4 

func PickOptBtnPattern(pattern []uint) PicklistOption

PickOptBtnPattern sets the inline markup button pattern. Each unsigned integer in the pattern represents the number of buttons shown on each of the rows.

Example: 

pattern: []uint{1, 2, 3}
will produce the following markup for the picklist choices

+-------------------+
| Picklist text     |
+-------------------+
|     button 1      |
+---------+---------+
| button 2| button 3|
+------+--+---+-----+
| btn4 | btn5 | btn6|
+------+------+-----+

func PickOptErrFunc 

func PickOptErrFunc(fn ErrFunc) PicklistOption

func PickOptFallbackLang 

func PickOptFallbackLang(lang string) PicklistOption

func PickOptMaxInlineButtons 

func PickOptMaxInlineButtons(n int) PicklistOption

func PickOptNoUpdate 

func PickOptNoUpdate(b bool) PicklistOption

PickOptNoUpdate sets the No Update option. If No Update is set, the text is not updated once the user makes their choice.

func PickOptOverwrite 

func PickOptOverwrite(b bool) PicklistOption

func PickOptPrivateOnly 

func PickOptPrivateOnly(b bool) PicklistOption

func PickOptRemoveButtons 

func PickOptRemoveButtons(b bool) PicklistOption

PickOptRemoveButtons set the Remove Buttons option. If Remove Buttons is set, the inline buttons will be removed once the user make the choice.

type PostButtons 

type PostButtons struct {
	// contains filtered or unexported fields
}

func NewPostButtons 

func NewPostButtons(b Boter, callbackFn func(cb *tb.Callback), opts ...PBOption) *PostButtons

NewPostButtons creates an instance of PostButtons. The callbackFunction is the function that will be assigned and called for each button press, so it should handle all possible values.

func (*PostButtons) Markup 

func (pb *PostButtons) Markup(labels []string, pattern ...uint) (*tb.ReplyMarkup, error)

Markup returns the markup with buttons labeled with labels.

func (PostButtons) SetMaxButtons 

func (b PostButtons) SetMaxButtons(n int)

type RBOption 

type RBOption func(*Rating)

func RBOptShowPostRating 

func RBOptShowPostRating(b bool) RBOption

RBOptShowPostRating enables counter of total upvotes/downvotes.

func RBOptShowVoteCounter 

func RBOptShowVoteCounter(b bool) RBOption

RBOptShowVoteCounter enables post rating between up/down vote buttons

type Rating 

type Rating struct {
	// contains filtered or unexported fields
}

Rating is a struct for attaching post rating.

func NewRating 

func NewRating(b Boter, fn RatingFunc, opts ...RBOption) *Rating

func (*Rating) Bot added in v0.2.4 

func (c *Rating) Bot() Boter

func (*Rating) Form 

func (c *Rating) Form() *Form

func (*Rating) Markup 

func (rb *Rating) Markup(btns [2]Button) *tb.ReplyMarkup

func (*Rating) Name 

func (c *Rating) Name() string

func (*Rating) OutgoingID 

func (c *Rating) OutgoingID(recipient string) (int, bool)

OutgoingID returns the controller's outgoing message ID for the user.

func (*Rating) SetForm 

func (c *Rating) SetForm(fm *Form)

func (*Rating) SetNext 

func (c *Rating) SetNext(ctrl Controller)

SetNext sets next controller in the chain.

func (*Rating) SetPrev 

func (c *Rating) SetPrev(ctrl Controller)

SetPrev sets the previous controller in the chain.

func (*Rating) SetValue 

func (c *Rating) SetValue(recipient string, value string)

SetValue sets the Controller value.

func (*Rating) Value 

func (c *Rating) Value(recipient string) (string, bool)

Value returns the Controller value for the recipient.

type RatingFunc 

type RatingFunc func(tb.Editable, *tb.User, int) ([2]Button, error)

RatingFunc is the function called by callback, given the message, user and the button index it should update the records and return the new buttons with updated values for the posting, it must maintain count of votes inhouse.

type RatingType 

type RatingType int

type SCOption 

type SCOption func(sc *SubChecker)

func SCOptFallbackLang 

func SCOptFallbackLang(lang string) SCOption

func SCOptShowList 

func SCOptShowList(b bool) SCOption

type StoredMessage 

type StoredMessage struct {
	MessageID string
	ChatID    int64
}

func (StoredMessage) MessageSig 

func (m StoredMessage) MessageSig() (string, int64)

type SubChecker 

type SubChecker struct {
	// contains filtered or unexported fields
}

SubChecker is controller to check the chat subscription.

func NewSubChecker 

func NewSubChecker(b BotChecker, name string, textFn TextFunc, chats []string, opts ...SCOption) *SubChecker

NewSubChecker creates new subscription checker that checks the subscription on the desired channels. Boter must be added to channels for this to work.

func (*SubChecker) Bot added in v0.2.4 

func (c *SubChecker) Bot() Boter

func (*SubChecker) Form 

func (c *SubChecker) Form() *Form

func (*SubChecker) Handler 

func (sc *SubChecker) Handler(m *tb.Message)

func (*SubChecker) Name 

func (c *SubChecker) Name() string

func (*SubChecker) OutgoingID 

func (c *SubChecker) OutgoingID(recipient string) (int, bool)

OutgoingID returns the controller's outgoing message ID for the user.

func (*SubChecker) SetForm 

func (c *SubChecker) SetForm(fm *Form)

func (*SubChecker) SetNext 

func (c *SubChecker) SetNext(ctrl Controller)

SetNext sets next controller in the chain.

func (*SubChecker) SetPrev 

func (c *SubChecker) SetPrev(ctrl Controller)

SetPrev sets the previous controller in the chain.

func (*SubChecker) SetValue 

func (c *SubChecker) SetValue(recipient string, value string)

SetValue sets the Controller value.

func (*SubChecker) Value 

func (c *SubChecker) Value(recipient string) (string, bool)

Value returns the Controller value for the recipient.

type TextFunc 

type TextFunc func(ctx context.Context, u *tb.User) (string, error)

TextFunc returns formatted text, possibly personalised for user u.

func TextFn 

func TextFn(msg string) TextFunc

TextFn wraps the message in a TextFunc.

type ValuesFunc 

type ValuesFunc func(ctx context.Context, u *tb.User) ([]string, error)

TextFunc returns values for inline buttons, possibly personalised for user u.

Source Files

View all Source files

Directories

Path Synopsis
examples
input
picklist
rating
subcheck
template

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