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9f797edf00
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@ -6,11 +6,6 @@ module.exports = function(Self) {
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Self.super_.setup.call(this);
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Self.super_.setup.call(this);
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};
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};
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Self.observe('after save', async function(ctx) {
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const loopBackContext = LoopBackContext.getCurrentContext();
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await logInModel(ctx, loopBackContext);
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});
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Self.observe('before save', async function(ctx) {
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Self.observe('before save', async function(ctx) {
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const loopBackContext = LoopBackContext.getCurrentContext();
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const loopBackContext = LoopBackContext.getCurrentContext();
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const models = ctx.Model.app.models;
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const models = ctx.Model.app.models;
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@ -21,10 +16,11 @@ module.exports = function(Self) {
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if (!opts) opts = ctx.options = {};
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if (!opts) opts = ctx.options = {};
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// Check for transactions
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// Check for transactions
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let tx;
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if (opts.txLevel)
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if (!opts.transaction) {
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opts.txLevel++;
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opts.transaction = tx = await Model.beginTransaction({});
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else if (!opts.transaction) {
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opts.tx = true;
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opts.txLevel = 1;
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opts.transaction = await Model.beginTransaction({});
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}
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}
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try {
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try {
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@ -59,11 +55,143 @@ module.exports = function(Self) {
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ctx.hookState.oldInstance = oldInstance;
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ctx.hookState.oldInstance = oldInstance;
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ctx.hookState.newInstance = newInstance;
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ctx.hookState.newInstance = newInstance;
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} catch (e) {
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} catch (e) {
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if (tx) await tx.rollback();
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await txEnd(ctx, true);
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throw e;
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}
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}
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});
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});
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async function txEnd(ctx, undoChanges) {
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const opts = ctx.options || {};
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if (opts.txLevel) {
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opts.txLevel--;
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if (opts.txLevel === 0) {
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const tx = opts.transaction;
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delete opts.txLevel;
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delete opts.transaction;
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if (undoChanges)
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await tx.rollback();
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else
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await tx.commit();
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}
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}
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}
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Self.observe('after save', async function(ctx) {
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const loopBackContext = LoopBackContext.getCurrentContext();
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await logInModel(ctx, loopBackContext);
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});
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async function logInModel(ctx, loopBackContext) {
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const models = ctx.Model.app.models;
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const definition = ctx.Model.definition;
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const Model = models[definition.name];
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const settings = ctx.Model.definition.settings;
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const relations = ctx.Model.relations;
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let opts = ctx.options;
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if (!opts) opts = ctx.options = {};
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try {
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let primaryKey;
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for (let property in definition.properties) {
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if (definition.properties[property].id) {
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primaryKey = property;
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break;
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}
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}
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if (!primaryKey) throw new Error('Primary key not found');
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let originId;
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// RELATIONS LOG
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let changedModelId;
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if (ctx.instance && !settings.log.relation) {
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originId = ctx.instance.id;
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changedModelId = ctx.instance.id;
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} else if (settings.log.relation) {
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primaryKey = relations[settings.log.relation].keyFrom;
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if (ctx.where && ctx.where[primaryKey])
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originId = ctx.where[primaryKey];
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else if (ctx.instance) {
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originId = ctx.instance[primaryKey];
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changedModelId = ctx.instance.id;
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}
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} else {
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originId = ctx.currentInstance.id;
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changedModelId = ctx.currentInstance.id;
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}
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// Sets the changedModelValue to save and the instances changed in case its an updateAll
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let showField = settings.log.showField;
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let where;
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if (showField && (!ctx.instance || !ctx.instance[showField]) && ctx.where) {
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changedModelId = [];
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where = [];
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let changedInstances = await models[definition.name].find({
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where: ctx.where,
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fields: ['id', showField, primaryKey]
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}, opts);
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changedInstances.forEach(element => {
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where.push(element[showField]);
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changedModelId.push(element.id);
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originId = element[primaryKey];
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});
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} else if (ctx.hookState.oldInstance)
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where = ctx.instance[showField];
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// Set oldInstance, newInstance, userFk and action
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let oldInstance = {};
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if (ctx.hookState.oldInstance)
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Object.assign(oldInstance, ctx.hookState.oldInstance);
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let newInstance = {};
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if (ctx.hookState.newInstance)
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Object.assign(newInstance, ctx.hookState.newInstance);
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let userFk;
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if (loopBackContext)
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userFk = loopBackContext.active.accessToken.userId;
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const action = setActionType(ctx);
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removeUnloggable(definition, oldInstance);
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removeUnloggable(definition, newInstance);
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oldInstance = await fkToValue(oldInstance, ctx);
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newInstance = await fkToValue(newInstance, ctx);
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// Prevent log with no new changes
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const hasNewChanges = Object.keys(newInstance).length;
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if (!hasNewChanges) return;
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let logRecord = {
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originFk: originId,
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userFk: userFk,
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action: action,
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changedModel: definition.name,
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changedModelId: changedModelId, // Model property with an different data type will throw a NaN error
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changedModelValue: where,
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oldInstance: oldInstance,
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newInstance: newInstance
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};
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const logsToSave = setLogsToSave(where, changedModelId, logRecord, ctx);
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const logModel = settings.log.model;
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await models[logModel].create(logsToSave, opts);
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// Check if grabUser is active
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if (settings.log && settings.log.grabUser) await Model.rawSql(`CALL account.myUser_logout()`, null, opts);
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} catch (e) {
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await txEnd(ctx, true);
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throw e;
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}
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await txEnd(ctx);
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}
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Self.observe('before delete', async function(ctx) {
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Self.observe('before delete', async function(ctx) {
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const models = ctx.Model.app.models;
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const models = ctx.Model.app.models;
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const definition = ctx.Model.definition;
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const definition = ctx.Model.definition;
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@ -193,124 +321,6 @@ module.exports = function(Self) {
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return result;
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return result;
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}
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}
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async function logInModel(ctx, loopBackContext) {
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const models = ctx.Model.app.models;
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const definition = ctx.Model.definition;
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const Model = models[definition.name];
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const settings = ctx.Model.definition.settings;
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const relations = ctx.Model.relations;
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let opts = ctx.options;
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if (!opts) opts = ctx.options = {};
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// Check for transactions
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let tx;
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if (opts.tx === true) tx = opts.transaction;
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try {
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let primaryKey;
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for (let property in definition.properties) {
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if (definition.properties[property].id) {
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primaryKey = property;
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break;
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}
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}
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if (!primaryKey) throw new Error('Primary key not found');
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let originId;
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// RELATIONS LOG
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let changedModelId;
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if (ctx.instance && !settings.log.relation) {
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originId = ctx.instance.id;
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changedModelId = ctx.instance.id;
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} else if (settings.log.relation) {
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primaryKey = relations[settings.log.relation].keyFrom;
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if (ctx.where && ctx.where[primaryKey])
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originId = ctx.where[primaryKey];
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else if (ctx.instance) {
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originId = ctx.instance[primaryKey];
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changedModelId = ctx.instance.id;
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}
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} else {
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originId = ctx.currentInstance.id;
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changedModelId = ctx.currentInstance.id;
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}
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// Sets the changedModelValue to save and the instances changed in case its an updateAll
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let showField = settings.log.showField;
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let where;
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if (showField && (!ctx.instance || !ctx.instance[showField]) && ctx.where) {
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changedModelId = [];
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where = [];
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let changedInstances = await models[definition.name].find({
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where: ctx.where,
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fields: ['id', showField, primaryKey]
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}, opts);
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changedInstances.forEach(element => {
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where.push(element[showField]);
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changedModelId.push(element.id);
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originId = element[primaryKey];
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});
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} else if (ctx.hookState.oldInstance)
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where = ctx.instance[showField];
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// Set oldInstance, newInstance, userFk and action
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let oldInstance = {};
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if (ctx.hookState.oldInstance)
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Object.assign(oldInstance, ctx.hookState.oldInstance);
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let newInstance = {};
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if (ctx.hookState.newInstance)
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Object.assign(newInstance, ctx.hookState.newInstance);
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let userFk;
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if (loopBackContext)
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userFk = loopBackContext.active.accessToken.userId;
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const action = setActionType(ctx);
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removeUnloggable(definition, oldInstance);
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removeUnloggable(definition, newInstance);
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oldInstance = await fkToValue(oldInstance, ctx);
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newInstance = await fkToValue(newInstance, ctx);
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// Prevent log with no new changes
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const hasNewChanges = Object.keys(newInstance).length;
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if (!hasNewChanges) return;
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let logRecord = {
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originFk: originId,
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userFk: userFk,
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action: action,
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changedModel: definition.name,
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changedModelId: changedModelId, // Model property with an different data type will throw a NaN error
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changedModelValue: where,
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oldInstance: oldInstance,
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newInstance: newInstance
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};
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const logsToSave = setLogsToSave(where, changedModelId, logRecord, ctx);
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const logModel = settings.log.model;
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await models[logModel].create(logsToSave, opts);
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// Check if grabUser is active
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if (settings.log && settings.log.grabUser) await Model.rawSql(`CALL account.myUser_logout()`, null, opts);
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if (tx) {
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await tx.commit();
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delete opts.transaction;
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delete opts.tx;
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}
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} catch (e) {
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if (tx) await tx.rollback();
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throw e;
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}
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}
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/**
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/**
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* Removes unwanted properties
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* Removes unwanted properties
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* @param {*} definition Model definition
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* @param {*} definition Model definition
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