File size: 11,496 Bytes
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createContext,
useCallback,
useContext,
useEffect,
useMemo,
useRef,
useState,
} from 'react';
import { apiFetch } from '@/lib/api';
import { mergeSequenceIntoContacts } from '@/lib/mergeSequenceIntoContacts';
const GeneratorWorkflowContext = createContext(null);
export function GeneratorWorkflowProvider({ children }) {
const [step, setStep] = useState(1);
const [uploadedFile, setUploadedFile] = useState(null);
const [selectedProducts, setSelectedProducts] = useState([]);
const [prompts, setPrompts] = useState({});
const [linkedinPrompts, setLinkedinPrompts] = useState({});
const [includeLinkedin, setIncludeLinkedin] = useState(false);
const [isGenerating, setIsGenerating] = useState(false);
const [generationComplete, setGenerationComplete] = useState(false);
const [generationRunId, setGenerationRunId] = useState(0);
const [genPhase, setGenPhase] = useState('email');
const [contacts, setContacts] = useState([]);
const [sequences, setSequences] = useState([]);
const [progress, setProgress] = useState(0);
const [streamComplete, setStreamComplete] = useState(false);
const [reconnectKey, setReconnectKey] = useState(0);
const prevRunIdRef = useRef(null);
const eventSourceRef = useRef(null);
const resetWorkflow = useCallback(() => {
if (eventSourceRef.current) {
eventSourceRef.current.close();
eventSourceRef.current = null;
}
setStep(1);
setUploadedFile(null);
setSelectedProducts([]);
setPrompts({});
setLinkedinPrompts({});
setIncludeLinkedin(false);
setIsGenerating(false);
setGenerationComplete(false);
setGenerationRunId(0);
setGenPhase('email');
setContacts([]);
setSequences([]);
setProgress(0);
setStreamComplete(false);
prevRunIdRef.current = null;
}, []);
const beginGeneration = useCallback((runIdIncrement = true) => {
setStreamComplete(false);
setGenerationComplete(false);
setContacts([]);
setSequences([]);
setProgress(0);
setGenPhase('email');
setIsGenerating(true);
if (runIdIncrement) {
setGenerationRunId((r) => r + 1);
}
}, []);
const contactCount = uploadedFile?.contactCount || 0;
useEffect(() => {
if (!isGenerating || !uploadedFile?.fileId) return;
const isNewRun = prevRunIdRef.current !== generationRunId;
if (isNewRun) {
prevRunIdRef.current = generationRunId;
setContacts([]);
setSequences([]);
setProgress(0);
setStreamComplete(false);
}
const reset = isNewRun ? 1 : 0;
const url = `/api/generate-sequences?file_id=${encodeURIComponent(uploadedFile.fileId)}&reset=${reset}`;
const eventSource = new EventSource(url);
eventSourceRef.current = eventSource;
eventSource.onmessage = (event) => {
try {
const data = JSON.parse(event.data);
if (data.type === 'sequence') {
const seq = data.sequence;
setSequences((prev) => {
const sig = `${seq.id}-${seq.emailNumber}-${seq.channel || 'email'}-${seq.stepOrder ?? ''}`;
if (
prev.some(
(s) =>
`${s.id}-${s.emailNumber}-${s.channel || 'email'}-${s.stepOrder ?? ''}` === sig
)
) {
return prev;
}
return [...prev, seq];
});
setContacts((prev) => mergeSequenceIntoContacts(prev, seq));
} else if (data.type === 'progress') {
if (typeof data.progress === 'number') setProgress(data.progress);
} else if (data.type === 'phase') {
if (data.phase === 'linkedin') setGenPhase('linkedin');
} else if (data.type === 'complete') {
setStreamComplete(true);
setIsGenerating(false);
setGenerationComplete(true);
eventSource.close();
eventSourceRef.current = null;
} else if (data.type === 'error') {
console.error('Generation error:', data.error);
alert('Error generating sequences: ' + data.error);
eventSource.close();
eventSourceRef.current = null;
setIsGenerating(false);
}
} catch (err) {
console.error('Error parsing SSE data:', err);
}
};
eventSource.onerror = () => {
eventSource.close();
eventSourceRef.current = null;
if (!streamComplete) setReconnectKey((k) => k + 1);
};
return () => {
eventSource.close();
if (eventSourceRef.current === eventSource) eventSourceRef.current = null;
};
}, [isGenerating, uploadedFile?.fileId, generationRunId]);
useEffect(() => {
if (!isGenerating || !uploadedFile?.fileId || reconnectKey === 0) return;
let cancelled = false;
(async () => {
try {
const [statusRes, seqRes] = await Promise.all([
apiFetch(`/api/generation-status?file_id=${encodeURIComponent(uploadedFile.fileId)}`),
apiFetch(`/api/sequences?file_id=${encodeURIComponent(uploadedFile.fileId)}`),
]);
if (cancelled) return;
if (statusRes.ok && seqRes.ok) {
const status = await statusRes.json();
const { sequences: list } = await seqRes.json();
if (status.is_complete) {
setStreamComplete(true);
setIsGenerating(false);
setGenerationComplete(true);
}
if (list?.length > 0) {
const byContact = new Map();
list.forEach((seq) => {
const key = seq.email;
const ch = seq.channel || 'email';
if (!byContact.has(key)) {
byContact.set(key, {
id: seq.id,
firstName: seq.firstName,
lastName: seq.lastName,
email: seq.email,
company: seq.company,
title: seq.title,
product: seq.product,
emails: [],
linkedin: [],
});
}
const row = {
emailNumber: seq.emailNumber,
subject: seq.subject,
emailContent: seq.emailContent,
channel: ch,
stepOrder: seq.stepOrder,
};
const dedupe = (e) =>
e.stepOrder != null
? `ord-${e.stepOrder}-${ch}`
: `${ch}-${e.emailNumber}`;
const rowKey = dedupe(row);
const c = byContact.get(key);
if (ch === 'linkedin') {
if (!c.linkedin.some((e) => dedupe(e) === rowKey)) {
c.linkedin.push(row);
}
} else {
if (!c.emails.some((e) => dedupe(e) === rowKey)) {
c.emails.push(row);
}
}
});
const arr = [...byContact.values()];
arr.sort((a, b) => (a.id || 0) - (b.id || 0));
setSequences(list);
setContacts(arr);
if (status.total_contacts > 0) {
const exp =
status.campaign_sequence_actions && status.total_contacts > 0
? status.total_contacts * status.campaign_sequence_actions
: status.has_linkedin_prompts
? status.total_contacts * 2
: status.total_contacts;
setProgress(
Math.min(100, ((status.completed_count || 0) / exp) * 100)
);
}
}
}
} catch (e) {
if (!cancelled) console.error('Reconnect fetch error:', e);
}
})();
return () => {
cancelled = true;
};
}, [reconnectKey, isGenerating, uploadedFile?.fileId, contactCount]);
useEffect(() => {
if (!isGenerating || !uploadedFile?.fileId) return;
const onVisible = () => {
if (document.visibilityState === 'visible') setReconnectKey((k) => k + 1);
};
document.addEventListener('visibilitychange', onVisible);
return () => document.removeEventListener('visibilitychange', onVisible);
}, [isGenerating, uploadedFile?.fileId]);
const value = useMemo(
() => ({
step,
setStep,
uploadedFile,
setUploadedFile,
selectedProducts,
setSelectedProducts,
prompts,
setPrompts,
linkedinPrompts,
setLinkedinPrompts,
includeLinkedin,
setIncludeLinkedin,
isGenerating,
generationComplete,
generationRunId,
beginGeneration,
setIsGenerating,
setGenerationComplete,
resetWorkflow,
contacts,
sequences,
progress,
genPhase,
streamComplete,
contactCount,
}),
[
step,
uploadedFile,
selectedProducts,
prompts,
linkedinPrompts,
includeLinkedin,
isGenerating,
generationComplete,
generationRunId,
beginGeneration,
resetWorkflow,
contacts,
sequences,
progress,
genPhase,
streamComplete,
contactCount,
]
);
return (
<GeneratorWorkflowContext.Provider value={value}>{children}</GeneratorWorkflowContext.Provider>
);
}
export function useGeneratorWorkflow() {
const ctx = useContext(GeneratorWorkflowContext);
if (!ctx) {
throw new Error('useGeneratorWorkflow must be used within GeneratorWorkflowProvider');
}
return ctx;
}
|