Files
rx.scoreodonto.com/dental-server/routes/images.js
T
2026-05-26 02:59:11 +02:00

398 lines
14 KiB
JavaScript

const express = require('express');
const router = express.Router();
const db = require('../database');
const imageProcessor = require('../image-processor');
const path = require('path');
const fs = require('fs').promises;
// ================================================================
// GET /api/images - Listar imagens
// ================================================================
router.get('/', async (req, res) => {
try {
const showDisabled = req.query.disabled === 'true';
const search = req.query.search || '';
const clientName = req.query.client || '';
let query = `SELECT * FROM images WHERE enabled = ?`;
let params = [showDisabled ? 0 : 1];
if (clientName) {
query += ` AND client_name = ?`;
params.push(clientName);
}
if (search) {
query += ` AND (patient_name LIKE ? OR image_guid LIKE ? OR filename LIKE ?)`;
params.push(`%${search}%`, `%${search}%`, `%${search}%`);
}
query += ` ORDER BY created_at DESC LIMIT 100`;
const images = await db.all(query, params);
res.json(images);
} catch (error) {
console.error('Erro ao listar imagens:', error);
res.status(500).json({ error: error.message });
}
});
// ================================================================
// GET /api/images/patients - Listar pacientes agrupados
// ================================================================
router.get('/patients', async (req, res) => {
try {
const showDisabled = req.query.disabled === 'true';
const search = req.query.search || '';
const clientName = req.query.client || '';
const enabledVal = showDisabled ? 0 : 1;
let where = `WHERE enabled = ${enabledVal}`;
let params = [];
if (clientName) {
where += ` AND client_name = ?`;
params.push(clientName);
}
if (search) {
where += ` AND (patient_name LIKE ? OR image_guid LIKE ?)`;
params.push(`%${search}%`, `%${search}%`);
}
// Group by patient_name — pick thumbnail from most recent image
const rows = await db.all(
`SELECT
patient_name,
doctor,
remark,
client_name,
COUNT(*) AS image_count,
MAX(created_at) AS last_date,
(SELECT filename FROM images i2
WHERE i2.patient_name = images.patient_name AND i2.enabled = ${enabledVal}
ORDER BY i2.created_at DESC LIMIT 1) AS thumb_filename
FROM images
${where}
GROUP BY patient_name
ORDER BY MAX(created_at) DESC
LIMIT 200`,
params
);
res.json(rows);
} catch (error) {
console.error('Erro ao listar pacientes:', error);
res.status(500).json({ error: error.message });
}
});
// ================================================================
// GET /api/images/by-patient - Imagens de um paciente
// ================================================================
router.get('/by-patient', async (req, res) => {
try {
const patientName = req.query.name || '';
const showDisabled = req.query.disabled === 'true';
if (!patientName) {
return res.status(400).json({ error: 'Parâmetro name obrigatório' });
}
const images = await db.all(
`SELECT * FROM images
WHERE patient_name = ? AND enabled = ?
ORDER BY created_at DESC`,
[patientName, showDisabled ? 0 : 1]
);
res.json(images);
} catch (error) {
console.error('Erro ao buscar imagens do paciente:', error);
res.status(500).json({ error: error.message });
}
});
// ================================================================
// GET /api/images/:id - Buscar imagem por ID
// ================================================================
router.get('/:id', async (req, res) => {
try {
const image = await db.get('SELECT * FROM images WHERE id = ?', [req.params.id]);
if (!image) {
return res.status(404).json({ error: 'Imagem não encontrada' });
}
res.json(image);
} catch (error) {
res.status(500).json({ error: error.message });
}
});
// ================================================================
// GET /api/images/stats - Estatísticas
// ================================================================
router.get('/stats', async (req, res) => {
try {
const total = await db.get('SELECT COUNT(*) as count FROM images');
const enabled = await db.get('SELECT COUNT(*) as count FROM images WHERE enabled = 1');
const withTooth = await db.get('SELECT COUNT(*) as count FROM images WHERE tooth_number IS NOT NULL');
res.json({
total: total.count,
enabled: enabled.count,
disabled: total.count - enabled.count,
withToothInfo: withTooth.count,
withoutToothInfo: total.count - withTooth.count
});
} catch (error) {
res.status(500).json({ error: error.message });
}
});
// ================================================================
// GET /api/images/:id/transformations - Gerar transformações
// ================================================================
router.get('/:id/transformations', async (req, res) => {
try {
const image = await db.get('SELECT * FROM images WHERE id = ?', [req.params.id]);
if (!image) {
return res.status(404).json({ error: 'Imagem não encontrada' });
}
// Buscar a imagem original se esta é uma transformação
const originalId = image.original_image_id || image.id;
const originalImage = await db.get('SELECT * FROM images WHERE id = ?', [originalId]);
const originalPath = path.join(__dirname, '../uploads', originalImage.filename);
let originalBuffer;
try {
originalBuffer = await fs.readFile(originalPath);
} catch (e) {
if (e.code === 'ENOENT') {
// Fallback for images corrupted by previous bug
const fallbackPath = path.join(__dirname, '../processed', originalImage.filename);
originalBuffer = await fs.readFile(fallbackPath);
} else {
throw e;
}
}
const transformations = [
{ name: 'Original', rotation: 0, flipH: false, flipV: false },
{ name: 'Flip Horizontal', rotation: 0, flipH: true, flipV: false },
{ name: 'Flip Vertical', rotation: 0, flipH: false, flipV: true },
{ name: 'Rotação +90°', rotation: 90, flipH: false, flipV: false },
{ name: 'Rotação -90°', rotation: -90, flipH: false, flipV: false }
];
const results = [];
for (const t of transformations) {
try {
let processed = await imageProcessor.rotate(originalBuffer, t.rotation);
processed = await imageProcessor.flip(processed, t.flipH, t.flipV);
const base64 = `data:image/png;base64,${processed.toString('base64')}`;
results.push({
...t,
base64,
size: processed.length
});
} catch (error) {
console.error(`Erro ao processar transformação ${t.name}:`, error);
}
}
res.json(results);
} catch (error) {
console.error('Erro ao gerar transformações:', error);
res.status(500).json({ error: error.message });
}
});
// ================================================================
// POST /api/images/:id/transform - Salvar transformação
// ================================================================
router.post('/:id/transform', async (req, res) => {
try {
const { rotation, flipH, flipV, remark } = req.body;
const originalImage = await db.get('SELECT * FROM images WHERE id = ?', [req.params.id]);
if (!originalImage) {
return res.status(404).json({ error: 'Imagem não encontrada' });
}
// Buscar a imagem original real se esta é uma transformação
const realOriginalId = originalImage.original_image_id || originalImage.id;
const realOriginal = await db.get('SELECT * FROM images WHERE id = ?', [realOriginalId]);
// Processar a imagem
const originalPath = path.join(__dirname, '../uploads', realOriginal.filename);
let originalBuffer;
try {
originalBuffer = await fs.readFile(originalPath);
} catch (e) {
if (e.code === 'ENOENT') {
const fallbackPath = path.join(__dirname, '../processed', realOriginal.filename);
originalBuffer = await fs.readFile(fallbackPath);
} else {
throw e;
}
}
let processed = await imageProcessor.rotate(originalBuffer, rotation);
processed = await imageProcessor.flip(processed, flipH, flipV);
// Salvar nova versão em processed
const timestamp = Date.now();
const processedFilename = `${realOriginal.image_guid}_${timestamp}.png`;
const processedPath = path.join(__dirname, '../processed', processedFilename);
await fs.writeFile(processedPath, processed);
// Desabilitar a imagem atual para que não fique duplicada na interface
await db.run('UPDATE images SET enabled = 0 WHERE id = ?', [req.params.id]);
const newRemark = remark !== undefined ? remark : originalImage.remark;
// Inserir a nova imagem como a versão ativa
const result = await db.run(
`INSERT INTO images (
image_guid, patient_name, client_name, original_filename, filename,
enabled, rotation, flip_horizontal, flip_vertical, original_image_id, created_at, remark, doctor
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
[
`${realOriginal.image_guid}_${timestamp}`,
realOriginal.patient_name,
realOriginal.client_name,
realOriginal.filename,
processedFilename,
1, // Nova imagem fica ativa
rotation,
flipH ? 1 : 0,
flipV ? 1 : 0,
realOriginalId,
originalImage.created_at, // Manter a data de criação original
newRemark,
realOriginal.doctor
]
);
res.json({
success: true,
imageId: result.lastID,
message: 'Orientação atualizada com sucesso!'
});
} catch (error) {
console.error('Erro ao salvar transformação:', error);
res.status(500).json({ error: error.message });
}
});
// ================================================================
// PUT /api/images/:id/patient-info - Atualizar dados do paciente
// ================================================================
router.put('/:id/patient-info', async (req, res) => {
try {
const { patientNameResumed, toothNumber, toothSide } = req.body;
await db.run(
`UPDATE images SET
patient_name_resumed = ?,
tooth_number = ?,
tooth_side = ?,
enabled = 1
WHERE id = ?`,
[patientNameResumed, toothNumber, toothSide, req.params.id]
);
res.json({ success: true, message: 'Dados do paciente atualizados!' });
} catch (error) {
res.status(500).json({ error: error.message });
}
});
// ================================================================
// GET /api/images/:id/download - Download da imagem
// ================================================================
router.get('/:id/download', async (req, res) => {
try {
const image = await db.get('SELECT * FROM images WHERE id = ?', [req.params.id]);
if (!image) {
return res.status(404).json({ error: 'Imagem não encontrada' });
}
// Nome: nome-resumido_numero_lado.png
if (image.patient_name_resumed && image.tooth_number && image.tooth_side) {
const filename = `${image.patient_name_resumed}_${image.tooth_number}_${image.tooth_side}.png`;
const filePath = path.join(__dirname, '../processed', image.filename);
res.setHeader('Content-Disposition', `attachment; filename="${filename}"`);
res.download(filePath, filename);
} else {
res.status(400).json({ error: 'Dados do paciente incompletos' });
}
} catch (error) {
console.error('Erro no download:', error);
res.status(500).json({ error: error.message });
}
});
// ================================================================
// DELETE /api/images/:id - Apagar versão da imagem
// ================================================================
router.delete('/:id', async (req, res) => {
try {
const image = await db.get('SELECT * FROM images WHERE id = ?', [req.params.id]);
if (!image) {
return res.status(404).json({ error: 'Imagem não encontrada' });
}
// NUNCA apagar a original
if (!image.original_image_id) {
return res.status(400).json({
error: 'Não é possível apagar a imagem original',
code: 'ORIGINAL_NOT_DELETABLE'
});
}
// Apagar arquivo
const filePath = path.join(__dirname, '../processed', image.filename);
try {
await fs.unlink(filePath);
} catch (e) {
console.warn('Arquivo não encontrado para deletar:', filePath);
}
// Apagar do banco
await db.run('DELETE FROM images WHERE id = ?', [req.params.id]);
res.json({ success: true, message: 'Imagem apagada com sucesso' });
} catch (error) {
console.error('Erro ao apagar imagem:', error);
res.status(500).json({ error: error.message });
}
});
// ================================================================
// PUT /api/images/:id/toggle-enabled - Habilitar/Desabilitar
// ================================================================
router.put('/:id/toggle-enabled', async (req, res) => {
try {
const image = await db.get('SELECT * FROM images WHERE id = ?', [req.params.id]);
if (!image) {
return res.status(404).json({ error: 'Imagem não encontrada' });
}
const newEnabled = image.enabled ? 0 : 1;
await db.run('UPDATE images SET enabled = ? WHERE id = ?', [newEnabled, req.params.id]);
res.json({ success: true, enabled: newEnabled === 1 });
} catch (error) {
res.status(500).json({ error: error.message });
}
});
module.exports = router;