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//
// SPDX-FileCopyrightText: Hadad <[email protected]>
// SPDX-License-Identifier: Apache-2.0
//
import config from '../../config.js';
import { generateId } from '../utils/idGenerator.js';
import {
validateGenerationParams,
validateApiConfig,
validateImageIndex
} from '../utils/validators.js';
import {
getStorage,
setStorage,
getDefaultData
} from '../services/storageManager.js';
import {
generateImage,
cancelGeneration
} from '../services/imageGenerator.js';
import { renderView } from '../utils/viewRenderer.js';
import {
sendToSession
} from '../services/websocketManager.js';
export const renderHome = (req, res) => {
const sessionId = generateId();
const data = getDefaultData();
renderView(res, {
...data,
sessionId
});
};
export const handleAction = async (req, res) => {
const sessionId = req.body.sessionId || generateId();
const {
action,
prompt,
model,
size,
imageIndex
} = req.body;
let data = getStorage(sessionId) || getDefaultData();
switch(action) {
case 'delete':
return handleDelete(
sessionId,
imageIndex,
data,
res
);
case 'cancel':
return handleCancel(sessionId, res);
case 'generate':
return handleGenerate(
sessionId,
prompt,
model,
size,
data,
res
);
default:
return res.json({
success: false,
error: 'Invalid action'
});
}
};
const handleDelete = (
sessionId,
imageIndex,
data,
res
) => {
if (validateImageIndex(
imageIndex,
data.images.length
)) {
data.images.splice(parseInt(imageIndex), 1);
setStorage(sessionId, data);
sendToSession(sessionId, {
type: 'imageDeleted',
images: data.images
});
}
return res.json({
success: true,
images: data.images
});
};
const handleCancel = (sessionId, res) => {
cancelGeneration(sessionId);
sendToSession(sessionId, {
type: 'generationCancelled'
});
return res.json({
success: true
});
};
const handleGenerate = async (
sessionId,
prompt,
model,
size,
data,
res
) => {
const trimmedPrompt = prompt?.trim() || '';
if (!validateGenerationParams(
trimmedPrompt,
model,
size
)) {
return res.json({
success: false,
error: 'Please fill in all required fields'
});
}
if (!validateApiConfig()) {
return res.json({
success: false,
error: 'API configuration missing'
});
}
data.isGenerating = true;
data.progress = 0;
data.error = null;
setStorage(sessionId, data);
sendToSession(sessionId, {
type: 'generationStarted',
progress: 0
});
res.json({
success: true,
sessionId
});
await generateImage(
sessionId,
trimmedPrompt,
model,
size
);
}; |