107 lines
3.0 KiB
TypeScript
107 lines
3.0 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-explicit-any */
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import { ExtensionType, InferenceExtension } from '@janhq/core'
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import { Model, ModelSettingParams } from '@janhq/core'
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import { atom, useAtom } from 'jotai'
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import { toaster } from '@/containers/Toast'
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import { useGetDownloadedModels } from './useGetDownloadedModels'
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import { extensionManager } from '@/extension'
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const activeModelAtom = atom<Model | undefined>(undefined)
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const stateModelAtom = atom({ state: 'start', loading: false, model: '' })
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export function useActiveModel() {
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const [activeModel, setActiveModel] = useAtom(activeModelAtom)
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const [stateModel, setStateModel] = useAtom(stateModelAtom)
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const { downloadedModels } = useGetDownloadedModels()
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const startModel = async (modelId: string) => {
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if (
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(activeModel && activeModel.id === modelId) ||
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(stateModel.model === modelId && stateModel.loading)
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) {
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console.debug(`Model ${modelId} is already initialized. Ignore..`)
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return
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}
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// TODO: incase we have multiple assistants, the configuration will be from assistant
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setActiveModel(undefined)
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setStateModel({ state: 'start', loading: true, model: modelId })
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const model = downloadedModels.find((e) => e.id === modelId)
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if (!model) {
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toaster({
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title: `Model ${modelId} not found!`,
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description: `Please download the model first.`,
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})
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setStateModel(() => ({
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state: 'start',
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loading: false,
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model: '',
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}))
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return
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}
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const currentTime = Date.now()
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console.debug('Init model: ', modelId)
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const res = await initModel(modelId, model?.settings)
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if (res && res.error && res.modelFile === stateModel.model) {
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const errorMessage = `${res.error}`
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alert(errorMessage)
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setStateModel(() => ({
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state: 'start',
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loading: false,
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model: modelId,
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}))
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} else {
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console.debug(
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`Model ${modelId} successfully initialized! Took ${
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Date.now() - currentTime
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}ms`
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)
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setActiveModel(model)
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toaster({
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title: 'Success!',
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description: `Model ${modelId} has been started.`,
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})
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setStateModel(() => ({
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state: 'stop',
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loading: false,
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model: modelId,
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}))
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}
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}
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const stopModel = async (modelId: string) => {
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setStateModel({ state: 'stop', loading: true, model: modelId })
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setTimeout(async () => {
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extensionManager
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.get<InferenceExtension>(ExtensionType.Inference)
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?.stopModel()
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setActiveModel(undefined)
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setStateModel({ state: 'start', loading: false, model: '' })
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toaster({
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title: 'Success!',
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description: `Model ${modelId} has been stopped.`,
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})
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}, 500)
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}
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return { activeModel, startModel, stopModel, stateModel }
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}
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const initModel = async (
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modelId: string,
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settings?: ModelSettingParams
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): Promise<any> => {
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return extensionManager
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.get<InferenceExtension>(ExtensionType.Inference)
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?.initModel(modelId, settings)
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}
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