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'use client'
import type { FC } from 'react'
import React, { useCallback } from 'react'
import { useTranslation } from 'react-i18next'
import produce from 'immer'
import { ReactSortable } from 'react-sortablejs'
import { v4 as uuid4 } from 'uuid'
import type { ModelConfig, PromptItem, ValueSelector, Var, Variable } from '../../../types'
import { EditionType, PromptRole } from '../../../types'
import useAvailableVarList from '../../_base/hooks/use-available-var-list'
import { useWorkflowStore } from '../../../store'
import ConfigPromptItem from './config-prompt-item'
import cn from '@/utils/classnames'
import Editor from '@/app/components/workflow/nodes/_base/components/prompt/editor'
import AddButton from '@/app/components/workflow/nodes/_base/components/add-button'
import { DragHandle } from '@/app/components/base/icons/src/vender/line/others'
const i18nPrefix = 'workflow.nodes.llm'
type Props = {
readOnly: boolean
nodeId: string
filterVar: (payload: Var, selector: ValueSelector) => boolean
isChatModel: boolean
isChatApp: boolean
payload: PromptItem | PromptItem[]
onChange: (payload: PromptItem | PromptItem[]) => void
isShowContext: boolean
hasSetBlockStatus: {
context: boolean
history: boolean
query: boolean
}
varList?: Variable[]
handleAddVariable: (payload: any) => void
modelConfig: ModelConfig
}
const ConfigPrompt: FC<Props> = ({
readOnly,
nodeId,
filterVar,
isChatModel,
isChatApp,
payload,
onChange,
isShowContext,
hasSetBlockStatus,
varList = [],
handleAddVariable,
modelConfig,
}) => {
const { t } = useTranslation()
const workflowStore = useWorkflowStore()
const {
setControlPromptEditorRerenderKey,
} = workflowStore.getState()
const payloadWithIds = (isChatModel && Array.isArray(payload))
? payload.map((item) => {
const id = uuid4()
return {
id: item.id || id,
p: {
...item,
id: item.id || id,
},
}
})
: []
const {
availableVars,
availableNodesWithParent,
} = useAvailableVarList(nodeId, {
onlyLeafNodeVar: false,
filterVar,
})
const handleChatModePromptChange = useCallback((index: number) => {
return (prompt: string) => {
const newPrompt = produce(payload as PromptItem[], (draft) => {
draft[index][draft[index].edition_type === EditionType.jinja2 ? 'jinja2_text' : 'text'] = prompt
})
onChange(newPrompt)
}
}, [onChange, payload])
const handleChatModeEditionTypeChange = useCallback((index: number) => {
return (editionType: EditionType) => {
const newPrompt = produce(payload as PromptItem[], (draft) => {
draft[index].edition_type = editionType
})
onChange(newPrompt)
}
}, [onChange, payload])
const handleChatModeMessageRoleChange = useCallback((index: number) => {
return (role: PromptRole) => {
const newPrompt = produce(payload as PromptItem[], (draft) => {
draft[index].role = role
})
onChange(newPrompt)
}
}, [onChange, payload])
const handleAddPrompt = useCallback(() => {
const newPrompt = produce(payload as PromptItem[], (draft) => {
if (draft.length === 0) {
draft.push({ role: PromptRole.system, text: '' })
return
}
const isLastItemUser = draft[draft.length - 1].role === PromptRole.user
draft.push({ role: isLastItemUser ? PromptRole.assistant : PromptRole.user, text: '' })
})
onChange(newPrompt)
}, [onChange, payload])
const handleRemove = useCallback((index: number) => {
return () => {
const newPrompt = produce(payload as PromptItem[], (draft) => {
draft.splice(index, 1)
})
onChange(newPrompt)
}
}, [onChange, payload])
const handleCompletionPromptChange = useCallback((prompt: string) => {
const newPrompt = produce(payload as PromptItem, (draft) => {
draft[draft.edition_type === EditionType.jinja2 ? 'jinja2_text' : 'text'] = prompt
})
onChange(newPrompt)
}, [onChange, payload])
const handleGenerated = useCallback((prompt: string) => {
handleCompletionPromptChange(prompt)
setTimeout(() => setControlPromptEditorRerenderKey(Date.now()))
}, [handleCompletionPromptChange, setControlPromptEditorRerenderKey])
const handleCompletionEditionTypeChange = useCallback((editionType: EditionType) => {
const newPrompt = produce(payload as PromptItem, (draft) => {
draft.edition_type = editionType
})
onChange(newPrompt)
}, [onChange, payload])
const canChooseSystemRole = (() => {
if (isChatModel && Array.isArray(payload))
return !payload.find(item => item.role === PromptRole.system)
return false
})()
return (
<div>
{(isChatModel && Array.isArray(payload))
? (
<div>
<div className='space-y-2'>
<ReactSortable className="space-y-1"
list={payloadWithIds}
setList={(list) => {
if ((payload as PromptItem[])?.[0]?.role === PromptRole.system && list[0].p?.role !== PromptRole.system)
return
onChange(list.map(item => item.p))
}}
handle='.handle'
ghostClass="opacity-50"
animation={150}
>
{
(payload as PromptItem[]).map((item, index) => {
const canDrag = (() => {
if (readOnly)
return false
if (index === 0 && item.role === PromptRole.system)
return false
return true
})()
return (
<div key={item.id || index} className='relative group'>
{canDrag && <DragHandle className='group-hover:block hidden absolute left-[-14px] top-2 w-3.5 h-3.5 text-gray-400' />}
<ConfigPromptItem
className={cn(canDrag && 'handle')}
headerClassName={cn(canDrag && 'cursor-grab')}
canNotChooseSystemRole={!canChooseSystemRole}
canRemove={payload.length > 1 && !(index === 0 && item.role === PromptRole.system)}
readOnly={readOnly}
id={item.id!}
handleChatModeMessageRoleChange={handleChatModeMessageRoleChange(index)}
isChatModel={isChatModel}
isChatApp={isChatApp}
payload={item}
onPromptChange={handleChatModePromptChange(index)}
onEditionTypeChange={handleChatModeEditionTypeChange(index)}
onRemove={handleRemove(index)}
isShowContext={isShowContext}
hasSetBlockStatus={hasSetBlockStatus}
availableVars={availableVars}
availableNodes={availableNodesWithParent}
varList={varList}
handleAddVariable={handleAddVariable}
modelConfig={modelConfig}
/>
</div>
)
})
}
</ReactSortable>
</div>
<AddButton
className='mt-2'
text={t(`${i18nPrefix}.addMessage`)}
onClick={handleAddPrompt}
/>
</div>
)
: (
<div>
<Editor
instanceId={`${nodeId}-chat-workflow-llm-prompt-editor`}
title={<span className='capitalize'>{t(`${i18nPrefix}.prompt`)}</span>}
value={((payload as PromptItem).edition_type === EditionType.basic || !(payload as PromptItem).edition_type) ? (payload as PromptItem).text : ((payload as PromptItem).jinja2_text || '')}
onChange={handleCompletionPromptChange}
readOnly={readOnly}
isChatModel={isChatModel}
isChatApp={isChatApp}
isShowContext={isShowContext}
hasSetBlockStatus={hasSetBlockStatus}
nodesOutputVars={availableVars}
availableNodes={availableNodesWithParent}
isSupportPromptGenerator
isSupportJinja
editionType={(payload as PromptItem).edition_type}
varList={varList}
onEditionTypeChange={handleCompletionEditionTypeChange}
handleAddVariable={handleAddVariable}
onGenerated={handleGenerated}
modelConfig={modelConfig}
/>
</div>
)}
</div>
)
}
export default React.memo(ConfigPrompt)
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