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import { useCallback } from 'react'
import {
useNodes,
useStoreApi,
} from 'reactflow'
import { uniqBy } from 'lodash-es'
import produce from 'immer'
import {
useIsChatMode,
useNodeDataUpdate,
useWorkflow,
useWorkflowVariables,
} from '../../hooks'
import type {
Node,
ValueSelector,
Var,
} from '../../types'
import { useWorkflowStore } from '../../store'
import type {
VarGroupItem,
VariableAssignerNodeType,
} from './types'
export const useVariableAssigner = () => {
const store = useStoreApi()
const workflowStore = useWorkflowStore()
const { handleNodeDataUpdate } = useNodeDataUpdate()
const handleAssignVariableValueChange = useCallback((nodeId: string, value: ValueSelector, varDetail: Var, groupId?: string) => {
const { getNodes } = store.getState()
const nodes = getNodes()
const node: Node<VariableAssignerNodeType> = nodes.find(node => node.id === nodeId)!
let payload
if (groupId && groupId !== 'target') {
payload = {
advanced_settings: {
...node.data.advanced_settings,
groups: node.data.advanced_settings?.groups.map((group: VarGroupItem & { groupId: string }) => {
if (group.groupId === groupId && !group.variables.some(item => item.join('.') === (value as ValueSelector).join('.'))) {
return {
...group,
variables: [...group.variables, value],
output_type: varDetail.type,
}
}
return group
}),
},
}
}
else {
if (node.data.variables.some(item => item.join('.') === (value as ValueSelector).join('.')))
return
payload = {
variables: [...node.data.variables, value],
output_type: varDetail.type,
}
}
handleNodeDataUpdate({
id: nodeId,
data: payload,
})
}, [store, handleNodeDataUpdate])
const handleAddVariableInAddVariablePopupWithPosition = useCallback((
nodeId: string,
variableAssignerNodeId: string,
variableAssignerNodeHandleId: string,
value: ValueSelector,
varDetail: Var,
) => {
const {
getNodes,
setNodes,
} = store.getState()
const {
setShowAssignVariablePopup,
} = workflowStore.getState()
const newNodes = produce(getNodes(), (draft) => {
draft.forEach((node) => {
if (node.id === nodeId || node.id === variableAssignerNodeId) {
node.data = {
...node.data,
_showAddVariablePopup: false,
_holdAddVariablePopup: false,
}
}
})
})
setNodes(newNodes)
setShowAssignVariablePopup(undefined)
handleAssignVariableValueChange(variableAssignerNodeId, value, varDetail, variableAssignerNodeHandleId)
}, [store, workflowStore, handleAssignVariableValueChange])
const handleGroupItemMouseEnter = useCallback((groupId: string) => {
const {
setHoveringAssignVariableGroupId,
} = workflowStore.getState()
setHoveringAssignVariableGroupId(groupId)
}, [workflowStore])
const handleGroupItemMouseLeave = useCallback(() => {
const {
connectingNodePayload,
setHoveringAssignVariableGroupId,
} = workflowStore.getState()
if (connectingNodePayload)
setHoveringAssignVariableGroupId(undefined)
}, [workflowStore])
return {
handleAddVariableInAddVariablePopupWithPosition,
handleGroupItemMouseEnter,
handleGroupItemMouseLeave,
handleAssignVariableValueChange,
}
}
export const useGetAvailableVars = () => {
const nodes: Node[] = useNodes()
const { getBeforeNodesInSameBranchIncludeParent } = useWorkflow()
const { getNodeAvailableVars } = useWorkflowVariables()
const isChatMode = useIsChatMode()
const getAvailableVars = useCallback((nodeId: string, handleId: string, filterVar: (v: Var) => boolean, hideEnv = false) => {
const availableNodes: Node[] = []
const currentNode = nodes.find(node => node.id === nodeId)!
if (!currentNode)
return []
const beforeNodes = getBeforeNodesInSameBranchIncludeParent(nodeId)
availableNodes.push(...beforeNodes)
const parentNode = nodes.find(node => node.id === currentNode.parentId)
if (hideEnv) {
return getNodeAvailableVars({
parentNode,
beforeNodes: uniqBy(availableNodes, 'id').filter(node => node.id !== nodeId),
isChatMode,
hideEnv,
hideChatVar: hideEnv,
filterVar,
})
.map(node => ({
...node,
vars: node.isStartNode ? node.vars.filter(v => !v.variable.startsWith('sys.')) : node.vars,
}))
.filter(item => item.vars.length > 0)
}
return getNodeAvailableVars({
parentNode,
beforeNodes: uniqBy(availableNodes, 'id').filter(node => node.id !== nodeId),
isChatMode,
filterVar,
})
}, [nodes, getBeforeNodesInSameBranchIncludeParent, getNodeAvailableVars, isChatMode])
return getAvailableVars
}
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