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import { createAsyncThunk, createSlice, PayloadAction } from '@reduxjs/toolkit';
import store from '../store';
import { fetchAnswerApi, fetchAnswerSteaming } from './conversationApi';
import { searchEndpoint } from './conversationApi';
import { Answer, ConversationState, Query, Status } from './conversationModels';
import { getConversations } from '../preferences/preferenceApi';
import { setConversations } from '../preferences/preferenceSlice';
const initialState: ConversationState = {
queries: [],
status: 'idle',
conversationId: null,
};
const API_STREAMING = import.meta.env.VITE_API_STREAMING === 'true';
export const fetchAnswer = createAsyncThunk<Answer, { question: string }>(
'fetchAnswer',
async ({ question }, { dispatch, getState }) => {
const state = getState() as RootState;
if (state.preference) {
if (API_STREAMING) {
await fetchAnswerSteaming(
question,
state.preference.apiKey,
state.preference.selectedDocs!,
state.conversation.queries,
state.conversation.conversationId,
state.preference.prompt.id,
(event) => {
const data = JSON.parse(event.data);
// check if the 'end' event has been received
if (data.type === 'end') {
// set status to 'idle'
dispatch(conversationSlice.actions.setStatus('idle'));
getConversations()
.then((fetchedConversations) => {
dispatch(setConversations(fetchedConversations));
})
.catch((error) => {
console.error('Failed to fetch conversations: ', error);
});
searchEndpoint( //search for sources post streaming
question,
state.preference.apiKey,
state.preference.selectedDocs!,
state.conversation.conversationId,
state.conversation.queries
).then(sources => {
//dispatch streaming sources
dispatch(
updateStreamingSource({
index: state.conversation.queries.length - 1,
query: { sources },
}),
);
});
} else if (data.type === 'id') {
dispatch(
updateConversationId({
query: { conversationId: data.id },
}),
);
} else {
const result = data.answer;
dispatch(
updateStreamingQuery({
index: state.conversation.queries.length - 1,
query: { response: result },
}),
);
}
},
);
} else {
const answer = await fetchAnswerApi(
question,
state.preference.apiKey,
state.preference.selectedDocs!,
state.conversation.queries,
state.conversation.conversationId,
state.preference.prompt.id,
);
if (answer) {
let sourcesPrepped = [];
sourcesPrepped = answer.sources.map((source: { title: string }) => {
if (source && source.title) {
const titleParts = source.title.split('/');
return {
...source,
title: titleParts[titleParts.length - 1],
};
}
return source;
});
dispatch(
updateQuery({
index: state.conversation.queries.length - 1,
query: { response: answer.answer, sources: sourcesPrepped },
}),
);
dispatch(
updateConversationId({
query: { conversationId: answer.conversationId },
}),
);
dispatch(conversationSlice.actions.setStatus('idle'));
getConversations()
.then((fetchedConversations) => {
dispatch(setConversations(fetchedConversations));
})
.catch((error) => {
console.error('Failed to fetch conversations: ', error);
});
}
}
}
return {
conversationId: null,
title: null,
answer: '',
query: question,
result: '',
sources: [],
};
},
);
export const conversationSlice = createSlice({
name: 'conversation',
initialState,
reducers: {
addQuery(state, action: PayloadAction<Query>) {
state.queries.push(action.payload);
},
setConversation(state, action: PayloadAction<Query[]>) {
state.queries = action.payload;
},
updateStreamingQuery(
state,
action: PayloadAction<{ index: number; query: Partial<Query> }>,
) {
const { index, query } = action.payload;
if (query.response) {
state.queries[index].response =
(state.queries[index].response || '') + query.response;
} else {
state.queries[index] = {
...state.queries[index],
...query,
};
}
},
updateConversationId(
state,
action: PayloadAction<{ query: Partial<Query> }>,
) {
state.conversationId = action.payload.query.conversationId ?? null;
},
updateStreamingSource(
state,
action: PayloadAction<{ index: number; query: Partial<Query> }>,
) {
const { index, query } = action.payload;
if (!state.queries[index].sources) {
state.queries[index].sources = query?.sources;
} else {
state.queries[index].sources!.push(query.sources![0]);
}
},
updateQuery(
state,
action: PayloadAction<{ index: number; query: Partial<Query> }>,
) {
const { index, query } = action.payload;
state.queries[index] = {
...state.queries[index],
...query,
};
},
setStatus(state, action: PayloadAction<Status>) {
state.status = action.payload;
},
},
extraReducers(builder) {
builder
.addCase(fetchAnswer.pending, (state) => {
state.status = 'loading';
})
.addCase(fetchAnswer.rejected, (state, action) => {
state.status = 'failed';
state.queries[state.queries.length - 1].error =
'Something went wrong. Please try again later.';
});
},
});
type RootState = ReturnType<typeof store.getState>;
export const selectQueries = (state: RootState) => state.conversation.queries;
export const selectStatus = (state: RootState) => state.conversation.status;
export const {
addQuery,
updateQuery,
updateStreamingQuery,
updateConversationId,
updateStreamingSource,
setConversation,
} = conversationSlice.actions;
export default conversationSlice.reducer;
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