FILE / ScuroNeko/Laniakea
errors.go
Исходный файл и его история в репозитории.
ScuroNeko
f74496a3e8
Finalize scenes, typed arg binding, and request-scoped context plumbing Refresh docs, backlog state, and regression coverage for the rc.12 release
82 lines
3.9 KiB
Go
82 lines
3.9 KiB
Go
package laniakea
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import (
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"errors"
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"fmt"
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"unicode/utf8"
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)
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const (
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maxMessageTextLen = 4096
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maxMessageCaptionLen = 1024
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)
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var (
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// ErrEmptyMessage reports that a required message text is empty.
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ErrEmptyMessage = errors.New("empty message")
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// ErrMessageTooLong reports that a message exceeds Telegram's text limit.
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ErrMessageTooLong = errors.New("message too long")
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// ErrCaptionTooLong reports that a caption exceeds Telegram's caption limit.
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ErrCaptionTooLong = errors.New("caption too long")
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// ErrMessageSplitImpossible reports that automatic message splitting cannot preserve semantics.
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ErrMessageSplitImpossible = errors.New("message split is impossible")
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// ErrPayloadTypeMismatch reports that callback payload encoding does not match bot policy.
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ErrPayloadTypeMismatch = errors.New("payload type mismatch")
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// ErrDraftChatIDZero reports that a draft has no target chat ID.
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ErrDraftChatIDZero = errors.New("zero draft chat ID")
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// ErrMessageNil reports that a required message value is nil.
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ErrMessageNil = errors.New("message is nil")
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// ErrMessageContextNil reports that an operation requires ctx.Msg but none is set.
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ErrMessageContextNil = errors.New("message context is nil")
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// ErrEditTargetMissing reports that an edit operation has no message target.
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ErrEditTargetMissing = errors.New("edit target is missing")
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// ErrCallbackMessageMissing reports that a callback operation has no callback message target.
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ErrCallbackMessageMissing = errors.New("callback message is missing")
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// ErrDraftProviderNil reports that draft creation was requested without a draft provider.
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ErrDraftProviderNil = errors.New("draft provider is nil")
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// ErrAPIIsNil reports that an operation requires an API client but none is set.
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ErrAPIIsNil = errors.New("api is nil")
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// ErrMessageIDZero reports that an operation requires a non-zero message ID.
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ErrMessageIDZero = errors.New("message ID is zero")
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// ErrBindArgsTargetNotPointer reports that BindArgs received a nil or non-pointer destination.
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ErrBindArgsTargetNotPointer = errors.New("bind args: dst must be a non-nil pointer")
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// ErrBindArgsTargetNotStruct reports that BindArgs received a pointer to a non-struct value.
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ErrBindArgsTargetNotStruct = errors.New("bind args: dst must point to a struct")
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// ErrBindArgsUnsupportedFieldType reports that BindArgs encountered an unsupported field kind.
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ErrBindArgsUnsupportedFieldType = errors.New("bind args: unsupported field type")
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// ErrBindArgsConversion reports that BindArgs could not convert a string argument into a field type.
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ErrBindArgsConversion = errors.New("bind args: conversion failed")
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// ErrCantFindSession reports that no scene session matches the current context.
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ErrCantFindSession = errors.New("can't find session for this context")
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// ErrSceneNotFound reports that the requested scene is not registered.
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ErrSceneNotFound = errors.New("scene not found")
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// ErrSceneStepNotFound reports that the requested scene step is not registered.
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ErrSceneStepNotFound = errors.New("scene step not found")
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// ErrNotInScene reports that the current context has no active scene session.
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ErrNotInScene = errors.New("not in scene")
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// ErrSceneEntryNotSet reports that a scene has no configured entry step.
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ErrSceneEntryNotSet = errors.New("scene entry step not set")
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// ErrSceneRuntimeNil reports that scene APIs were used without an attached runtime.
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ErrSceneRuntimeNil = errors.New("scene runtime is nil")
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)
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func validateMessageText(text string) error {
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length := utf8.RuneCountInString(text)
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switch {
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case length == 0:
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return ErrEmptyMessage
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case length > maxMessageTextLen:
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return fmt.Errorf("%w: got %d, limit %d", ErrMessageTooLong, length, maxMessageTextLen)
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default:
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return nil
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}
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}
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func validateCaptionText(text string) error {
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length := utf8.RuneCountInString(text)
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if length > maxMessageCaptionLen {
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return fmt.Errorf("%w: got %d, limit %d", ErrCaptionTooLong, length, maxMessageCaptionLen)
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}
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return nil
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}
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