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feat: add unique field constraints with MongoDB indexes and duplicate… #50

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366 changes: 218 additions & 148 deletions backend/controllers/data.controller.js
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Original file line number Diff line number Diff line change
@@ -1,180 +1,250 @@
const { sanitize } = require("../utils/input.validation");
const mongoose = require('mongoose');
const mongoose = require("mongoose");
const Project = require("../models/Project");
const { getConnection } = require("../utils/connection.manager");
const { getCompiledModel } = require("../utils/injectModel");
const QueryEngine = require("../utils/queryEngine");
const { validateData, validateUpdateData } = require("../utils/validateData");

function handleDuplicateKeyError(err, res) {
if (err && err.code === 11000) {
const field = Object.keys(err.keyPattern || {})[0] || "field";
const value = err.keyValue?.[field];

return res.status(409).json({
success: false,
error: `Value '${value}' already exists for field '${field}'`,
code: "DUPLICATE_VALUE",
});
}

return null;
}

// Validate MongoDB ObjectId
const isValidId = (id) => mongoose.Types.ObjectId.isValid(id);

// INSERT DATA
module.exports.insertData = async (req, res) => {
try {
console.time("insert data")
const { collectionName } = req.params;
const project = req.project;

const collectionConfig = project.collections.find(c => c.name === collectionName);
if (!collectionConfig) return res.status(404).json({ error: "Collection not found" });

const schemaRules = collectionConfig.model;
const incomingData = req.body;

// Recursive validation for all field types
const { error, cleanData } = validateData(incomingData, schemaRules);
if (error) return res.status(400).json({ error });

const safeData = sanitize(cleanData);

let docSize = 0;
if (!project.resources.db.isExternal) {
docSize = Buffer.byteLength(JSON.stringify(safeData));
if ((project.databaseUsed || 0) + docSize > project.databaseLimit) {
return res.status(403).json({ error: "Database limit exceeded." });
}
}

const connection = await getConnection(project._id);
const Model = getCompiledModel(connection, collectionConfig, project._id, project.resources.db.isExternal);

const result = await Model.create(safeData);

if (!project.resources.db.isExternal) {
await Project.updateOne(
{ _id: project._id },
{ $inc: { databaseUsed: docSize } }
);
}

console.timeEnd("insert data")
res.status(201).json(result);
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
try {
console.time("insert data");
const { collectionName } = req.params;
const project = req.project;

const collectionConfig = project.collections.find(
(c) => c.name === collectionName,
);
if (!collectionConfig)
return res.status(404).json({ error: "Collection not found" });

const schemaRules = collectionConfig.model;
const incomingData = req.body;

// Recursive validation for all field types
const { error, cleanData } = validateData(incomingData, schemaRules);
if (error) return res.status(400).json({ error });

const safeData = sanitize(cleanData);

let docSize = 0;
if (!project.resources.db.isExternal) {
docSize = Buffer.byteLength(JSON.stringify(safeData));
if ((project.databaseUsed || 0) + docSize > project.databaseLimit) {
return res.status(403).json({ error: "Database limit exceeded." });
}
}

const connection = await getConnection(project._id);
const Model = getCompiledModel(
connection,
collectionConfig,
project._id,
project.resources.db.isExternal,
);

const result = await Model.create(safeData);

if (!project.resources.db.isExternal) {
await Project.updateOne(
{ _id: project._id },
{ $inc: { databaseUsed: docSize } },
);
}

console.timeEnd("insert data");
res.status(201).json(result);
} catch (err) {
const duplicateResponse = handleDuplicateKeyError(err, res);
if (duplicateResponse) return;

console.error(err);
res.status(500).json({ error: err.message });
}
};

// GET ALL DATA
module.exports.getAllData = async (req, res) => {
try {
console.time("getall")
const { collectionName } = req.params;
const project = req.project;

const collectionConfig = project.collections.find(c => c.name === collectionName);
if (!collectionConfig) return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(connection, collectionConfig, project._id, project.resources.db.isExternal);

const features = new QueryEngine(Model.find(), req.query)
.filter()
.sort()
.paginate();

const data = await features.query.lean();
console.timeEnd("getall")
res.json(data);
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
}
try {
console.time("getall");
const { collectionName } = req.params;
const project = req.project;

const collectionConfig = project.collections.find(
(c) => c.name === collectionName,
);
if (!collectionConfig)
return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(
connection,
collectionConfig,
project._id,
project.resources.db.isExternal,
);

const features = new QueryEngine(Model.find(), req.query)
.filter()
.sort()
.paginate();

const data = await features.query.lean();
console.timeEnd("getall");
res.json(data);
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
}
};

// GET SINGLE DOC
module.exports.getSingleDoc = async (req, res) => {
try {
const { collectionName, id } = req.params;
const project = req.project;

// ensure valid mongose objct id
if (!isValidId(id)) return res.status(400).json({ error: "Invalid ID format." });

const collectionConfig = project.collections.find(c => c.name === collectionName);
if (!collectionConfig) return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(connection, collectionConfig, project._id, project.resources.db.isExternal);

const doc = await Model.findById(id).lean();
if (!doc) return res.status(404).json({ error: "Document not found." });

res.json(doc);
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
}
try {
const { collectionName, id } = req.params;
const project = req.project;

// ensure valid mongose objct id
if (!isValidId(id))
return res.status(400).json({ error: "Invalid ID format." });

const collectionConfig = project.collections.find(
(c) => c.name === collectionName,
);
if (!collectionConfig)
return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(
connection,
collectionConfig,
project._id,
project.resources.db.isExternal,
);

const doc = await Model.findById(id).lean();
if (!doc) return res.status(404).json({ error: "Document not found." });

res.json(doc);
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
}
};

// UPDATE DATA
module.exports.updateSingleData = async (req, res) => {
try {
const { collectionName, id } = req.params;
const project = req.project;
const incomingData = req.body;

if (!isValidId(id)) return res.status(400).json({ error: "Invalid ID format." });

const collectionConfig = project.collections.find(c => c.name === collectionName);
if (!collectionConfig) return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(connection, collectionConfig, project._id, project.resources.db.isExternal);

// Recursive validation for all field types
const schemaRules = collectionConfig.model;
const { error: validationError, updateData } = validateUpdateData(incomingData, schemaRules);
if (validationError) return res.status(400).json({ error: validationError });

const sanitizedData = sanitize(updateData);

const result = await Model.findByIdAndUpdate(id, { $set: sanitizedData }, { new: true }).lean();
if (!result) return res.status(404).json({ error: "Document not found." });

res.json({ message: "Updated", data: result });
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
}
try {
const { collectionName, id } = req.params;
const project = req.project;
const incomingData = req.body;

if (!isValidId(id))
return res.status(400).json({ error: "Invalid ID format." });

const collectionConfig = project.collections.find(
(c) => c.name === collectionName,
);
if (!collectionConfig)
return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(
connection,
collectionConfig,
project._id,
project.resources.db.isExternal,
);

// Recursive validation for all field types
const schemaRules = collectionConfig.model;
const { error: validationError, updateData } = validateUpdateData(
incomingData,
schemaRules,
);
if (validationError)
return res.status(400).json({ error: validationError });

const sanitizedData = sanitize(updateData);

const result = await Model.findByIdAndUpdate(
id,
{ $set: sanitizedData },
{ new: true },
).lean();
if (!result) return res.status(404).json({ error: "Document not found." });

res.json({ message: "Updated", data: result });
} catch (err) {
const duplicateResponse = handleDuplicateKeyError(err, res);
if (duplicateResponse) return;

console.error(err);
res.status(500).json({ error: err.message });
}
};

// DELETE DATA
module.exports.deleteSingleDoc = async (req, res) => {
try {
const { collectionName, id } = req.params;
const project = req.project;

if (!isValidId(id)) return res.status(400).json({ error: "Invalid ID format." });

const collectionConfig = project.collections.find(c => c.name === collectionName);
if (!collectionConfig) return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(connection, collectionConfig, project._id, project.resources.db.isExternal);

const docToDelete = await Model.findById(id);
if (!docToDelete) return res.status(404).json({ error: "Document not found." });

let docSize = 0;
if (!project.resources.db.isExternal) {
docSize = Buffer.byteLength(JSON.stringify(docToDelete));
}

await Model.deleteOne({ _id: id });
try {
const { collectionName, id } = req.params;
const project = req.project;

if (!isValidId(id))
return res.status(400).json({ error: "Invalid ID format." });

const collectionConfig = project.collections.find(
(c) => c.name === collectionName,
);
if (!collectionConfig)
return res.status(404).json({ error: "Collection not found" });

const connection = await getConnection(project._id);
const Model = getCompiledModel(
connection,
collectionConfig,
project._id,
project.resources.db.isExternal,
);

const docToDelete = await Model.findById(id);
if (!docToDelete)
return res.status(404).json({ error: "Document not found." });

let docSize = 0;
if (!project.resources.db.isExternal) {
docSize = Buffer.byteLength(JSON.stringify(docToDelete));
}

if (!project.resources.db.isExternal) {
let databaseUsed = Math.max(0, (project.databaseUsed || 0) - docSize);
await Project.updateOne(
{ _id: project._id },
{ $set: { databaseUsed } }
);
}
await Model.deleteOne({ _id: id });

res.json({ message: "Document deleted", id });
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
if (!project.resources.db.isExternal) {
let databaseUsed = Math.max(0, (project.databaseUsed || 0) - docSize);
await Project.updateOne({ _id: project._id }, { $set: { databaseUsed } });
}
};

res.json({ message: "Document deleted", id });
} catch (err) {
console.error(err);
res.status(500).json({ error: err.message });
}
};
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