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1x 1x 1x 16x 16x 16x 16x 16x 16x 16x 1x 7x 1x 1x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 3x 3x 3x 3x 4x 4x 4x 4x 4x 4x 4x 1x 10x 10x 10x 10x 1x 1x 1x 1x 1x 69x 69x 69x 34x 4x 30x 35x 1x 33x 33x 33x 100095x 20019x 13x 13x 20019x 20019x 20019x 20019x 20019x 20019x 20019x 20016x 20016x 20016x 20016x 1x 1x 20016x 20016x 20004x 20004x 20004x 20004x 12x 12x 12x 12x 12x 11x 12x 12x 12x 1x 5x 3x 3x 5x 5x 5x 10x 10x 4x 4x 6x 5x 8x 8x 8x 8x 24x 8x 1x 15x 10x 5x 1x | const Promise = require('bluebird');
const _ = require('lodash');
const util = require('util');
let dseDriver;
try {
// eslint-disable-next-line import/no-extraneous-dependencies, import/no-unresolved
dseDriver = require('dse-driver');
} catch (e) {
dseDriver = null;
}
const cql = Promise.promisifyAll(dseDriver || require('cassandra-driver'));
const buildError = require('./apollo_error.js');
const schemer = require('../validators/schema');
const normalizer = require('../utils/normalizer');
const parser = require('../utils/parser');
const TableBuilder = require('../builders/table');
const ElassandraBuilder = require('../builders/elassandra');
const JanusGraphBuilder = require('../builders/janusgraph');
const Driver = require('../helpers/driver');
const BaseModel = function f(instanceValues) {
instanceValues = instanceValues || {};
const fieldValues = {};
const fields = this.constructor._properties.schema.fields;
const methods = this.constructor._properties.schema.methods || {};
const model = this;
const defaultSetter = function f1(propName, newValue) {
if (this[propName] !== newValue) {
model._modified[propName] = true;
}
this[propName] = newValue;
};
const defaultGetter = function f1(propName) {
return this[propName];
};
this._modified = {};
this._validators = {};
for (let fieldsKeys = Object.keys(fields), i = 0, len = fieldsKeys.length; i < len; i++) {
const propertyName = fieldsKeys[i];
const field = fields[fieldsKeys[i]];
try {
this._validators[propertyName] = schemer.get_validators(this.constructor._properties.schema, propertyName);
} catch (e) {
throw (buildError('model.validator.invalidschema', e.message));
}
let setter = defaultSetter.bind(fieldValues, propertyName);
let getter = defaultGetter.bind(fieldValues, propertyName);
if (field.virtual && typeof field.virtual.set === 'function') {
setter = field.virtual.set.bind(fieldValues);
}
if (field.virtual && typeof field.virtual.get === 'function') {
getter = field.virtual.get.bind(fieldValues);
}
const descriptor = {
enumerable: true,
set: setter,
get: getter,
};
Object.defineProperty(this, propertyName, descriptor);
if (field.virtual && typeof instanceValues[propertyName] !== 'undefined') {
this[propertyName] = instanceValues[propertyName];
}
}
for (let fieldsKeys = Object.keys(fields), i = 0, len = fieldsKeys.length; i < len; i++) {
const propertyName = fieldsKeys[i];
const field = fields[fieldsKeys[i]];
if (!field.virtual && typeof instanceValues[propertyName] !== 'undefined') {
this[propertyName] = instanceValues[propertyName];
}
}
for (let methodNames = Object.keys(methods), i = 0, len = methodNames.length; i < len; i++) {
const methodName = methodNames[i];
const method = methods[methodName];
this[methodName] = method;
}
};
BaseModel._properties = {
name: null,
schema: null,
};
BaseModel._set_properties = function f(properties) {
const schema = properties.schema;
const tableName = schema.table_name || properties.name;
Iif (!schemer.validate_table_name(tableName)) {
throw (buildError('model.tablecreation.invalidname', tableName));
}
const qualifiedTableName = util.format('"%s"."%s"', properties.keyspace, tableName);
this._properties = properties;
this._properties.table_name = tableName;
this._properties.qualified_table_name = qualifiedTableName;
this._driver = new Driver(this._properties);
};
BaseModel._sync_model_definition = function f(callback) {
const properties = this._properties;
const tableName = properties.table_name;
const modelSchema = properties.schema;
let migration = properties.migration;
const tableBuilder = new TableBuilder(this._driver, this._properties);
// backwards compatible change, dropTableOnSchemaChange will work like migration: 'drop'
if (!migration) {
Eif (properties.dropTableOnSchemaChange) migration = 'drop';
else migration = 'safe';
}
// always safe migrate if NODE_ENV==='production'
Iif (process.env.NODE_ENV === 'production') migration = 'safe';
// check for existence of table on DB and if it matches this model's schema
tableBuilder.get_table_schema((err, dbSchema) => {
Iif (err) {
callback(err);
return;
}
const afterDBCreate = (err1) => {
if (err1) {
callback(err1);
return;
}
const indexingTasks = [];
// cassandra index create if defined
if (_.isArray(modelSchema.indexes)) {
tableBuilder.createIndexesAsync = Promise.promisify(tableBuilder.create_indexes);
indexingTasks.push(tableBuilder.createIndexesAsync(modelSchema.indexes));
}
// cassandra custom index create if defined
if (_.isArray(modelSchema.custom_indexes)) {
tableBuilder.createCustomIndexesAsync = Promise.promisify(tableBuilder.create_custom_indexes);
indexingTasks.push(tableBuilder.createCustomIndexesAsync(modelSchema.custom_indexes));
}
if (modelSchema.custom_index) {
tableBuilder.createCustomIndexAsync = Promise.promisify(tableBuilder.create_custom_indexes);
indexingTasks.push(tableBuilder.createCustomIndexAsync([modelSchema.custom_index]));
}
// materialized view create if defined
if (modelSchema.materialized_views) {
tableBuilder.createViewsAsync = Promise.promisify(tableBuilder.create_mviews);
indexingTasks.push(tableBuilder.createViewsAsync(modelSchema.materialized_views));
}
Promise.all(indexingTasks)
.then(() => {
// db schema was updated, so callback with true
callback(null, true);
})
.catch((err2) => {
callback(err2);
});
};
Iif (!dbSchema) {
if (properties.createTable === false) {
callback(buildError('model.tablecreation.schemanotfound', tableName));
return;
}
// if not existing, it's created
tableBuilder.create_table(modelSchema, afterDBCreate);
return;
}
let normalizedModelSchema;
let normalizedDBSchema;
try {
normalizedModelSchema = normalizer.normalize_model_schema(modelSchema);
normalizedDBSchema = normalizer.normalize_model_schema(dbSchema);
} catch (e) {
throw (buildError('model.validator.invalidschema', e.message));
}
Eif (_.isEqual(normalizedModelSchema, normalizedDBSchema)) {
// no change in db was made, so callback with false
callback(null, false);
return;
}
if (migration === 'alter') {
// check if table can be altered to match schema
if (_.isEqual(normalizedModelSchema.key, normalizedDBSchema.key) &&
_.isEqual(normalizedModelSchema.clustering_order, normalizedDBSchema.clustering_order)) {
tableBuilder.init_alter_operations(modelSchema, dbSchema, normalizedModelSchema, normalizedDBSchema, (err1) => {
if (err1 && err1.message === 'alter_impossible') {
tableBuilder.drop_recreate_table(modelSchema, normalizedDBSchema.materialized_views, afterDBCreate);
return;
}
callback(err1);
});
} else {
tableBuilder.drop_recreate_table(modelSchema, normalizedDBSchema.materialized_views, afterDBCreate);
}
} else if (migration === 'drop') {
tableBuilder.drop_recreate_table(modelSchema, normalizedDBSchema.materialized_views, afterDBCreate);
} else {
callback(buildError('model.tablecreation.schemamismatch', tableName, 'migration suspended, please apply the change manually'));
}
});
};
BaseModel._sync_es_index = function f(callback) {
const properties = this._properties;
if (properties.esclient && properties.schema.es_index_mapping) {
const keyspaceName = properties.keyspace;
const mappingName = properties.table_name;
const indexName = `${keyspaceName}_${mappingName}`;
const elassandraBuilder = new ElassandraBuilder(properties.esclient);
elassandraBuilder.assert_index(keyspaceName, indexName, (err) => {
Iif (err) {
callback(err);
return;
}
elassandraBuilder.put_mapping(indexName, mappingName, properties.schema.es_index_mapping, callback);
});
return;
}
callback();
};
BaseModel._sync_graph = function f(callback) {
const properties = this._properties;
if (properties.gremlin_client && properties.schema.graph_mapping) {
const graphName = `${properties.keyspace}_graph`;
const mappingName = properties.table_name;
const graphBuilder = new JanusGraphBuilder(properties.gremlin_client);
graphBuilder.assert_graph(graphName, (err) => {
Iif (err) {
callback(err);
return;
}
graphBuilder.put_mapping(graphName, mappingName, properties.schema.graph_mapping, callback);
});
return;
}
callback();
};
BaseModel._execute_table_query = function f(query, params, options, callback) {
if (arguments.length === 3) {
callback = options;
options = {};
}
const defaults = {
prepare: true,
};
options = _.defaultsDeep({}, options, defaults);
const doExecuteQuery = function f1(doquery, docallback) {
this.execute_query(doquery, params, options, docallback);
}.bind(this, query);
Eif (this.is_table_ready()) {
doExecuteQuery(callback);
} else {
this.init((err) => {
if (err) {
callback(err);
return;
}
doExecuteQuery(callback);
});
}
};
BaseModel.get_find_query = function f(queryObject, options) {
const orderbyClause = parser.get_orderby_clause(queryObject);
const limitClause = parser.get_limit_clause(queryObject);
const whereClause = parser.get_where_clause(this._properties.schema, queryObject);
const selectClause = parser.get_select_clause(options);
const groupbyClause = parser.get_groupby_clause(options);
let query = util.format(
'SELECT %s%s FROM "%s"',
(options.distinct ? 'DISTINCT ' : ''),
selectClause,
options.materialized_view ? options.materialized_view : this._properties.table_name,
);
if (whereClause.query) query += util.format(' %s', whereClause.query);
if (orderbyClause) query += util.format(' %s', orderbyClause);
if (groupbyClause) query += util.format(' %s', groupbyClause);
if (limitClause) query += util.format(' %s', limitClause);
Iif (options.allow_filtering) query += ' ALLOW FILTERING';
query += ';';
return { query, params: whereClause.params };
};
BaseModel.get_table_name = function f() {
return this._properties.table_name;
};
BaseModel.get_keyspace_name = function f() {
return this._properties.keyspace;
};
BaseModel.is_table_ready = function f() {
return this._ready === true;
};
BaseModel.init = function f(options, callback) {
if (!callback) {
callback = options;
options = undefined;
}
this._ready = true;
callback();
};
BaseModel.syncDB = function f(callback) {
this._sync_model_definition((err, result) => {
Iif (err) {
callback(err);
return;
}
this._sync_es_index((err1) => {
Iif (err1) {
callback(err1);
return;
}
this._sync_graph((err2) => {
Iif (err2) {
callback(err2);
return;
}
this._ready = true;
callback(null, result);
});
});
});
};
BaseModel.get_cql_client = function f(callback) {
this._driver.ensure_init((err) => {
Iif (err) {
callback(err);
return;
}
callback(null, this._properties.cql);
});
};
BaseModel.get_es_client = function f() {
Iif (!this._properties.esclient) {
throw (new Error('To use elassandra features, set `manageESIndex` to true in ormOptions'));
}
return this._properties.esclient;
};
BaseModel.get_gremlin_client = function f() {
Iif (!this._properties.gremlin_client) {
throw (new Error('To use janus graph features, set `manageGraphs` to true in ormOptions'));
}
return this._properties.gremlin_client;
};
BaseModel.execute_query = function f(...args) {
this._driver.execute_query(...args);
};
BaseModel.execute_batch = function f(...args) {
this._driver.execute_batch(...args);
};
BaseModel.execute_eachRow = function f(...args) {
this._driver.execute_eachRow(...args);
};
BaseModel._execute_table_eachRow = function f(query, params, options, onReadable, callback) {
Eif (this.is_table_ready()) {
this.execute_eachRow(query, params, options, onReadable, callback);
} else {
this.init((err) => {
if (err) {
callback(err);
return;
}
this.execute_eachRow(query, params, options, onReadable, callback);
});
}
};
BaseModel.eachRow = function f(queryObject, options, onReadable, callback) {
Iif (arguments.length === 3) {
const cb = onReadable;
onReadable = options;
callback = cb;
options = {};
}
Iif (typeof onReadable !== 'function') {
throw (buildError('model.find.eachrowerror', 'no valid onReadable function was provided'));
}
Iif (typeof callback !== 'function') {
throw (buildError('model.find.cberror'));
}
const defaults = {
raw: false,
prepare: true,
};
options = _.defaultsDeep({}, options, defaults);
options.return_query = true;
const selectQuery = this.find(queryObject, options);
const queryOptions = normalizer.normalize_query_option(options);
this._execute_table_eachRow(selectQuery.query, selectQuery.params, queryOptions, (n, row) => {
Eif (!options.raw) {
const ModelConstructor = this._properties.get_constructor();
row = new ModelConstructor(row);
row._modified = {};
}
onReadable(n, row);
}, (err, result) => {
Iif (err) {
callback(buildError('model.find.dberror', err));
return;
}
callback(err, result);
});
};
BaseModel.execute_stream = function f(...args) {
this._driver.execute_stream(...args);
};
BaseModel._execute_table_stream = function f(query, params, options, onReadable, callback) {
Eif (this.is_table_ready()) {
this.execute_stream(query, params, options, onReadable, callback);
} else {
this.init((err) => {
if (err) {
callback(err);
return;
}
this.execute_stream(query, params, options, onReadable, callback);
});
}
};
BaseModel.stream = function f(queryObject, options, onReadable, callback) {
if (arguments.length === 3) {
const cb = onReadable;
onReadable = options;
callback = cb;
options = {};
}
Iif (typeof onReadable !== 'function') {
throw (buildError('model.find.streamerror', 'no valid onReadable function was provided'));
}
Iif (typeof callback !== 'function') {
throw (buildError('model.find.cberror'));
}
const defaults = {
raw: false,
prepare: true,
};
options = _.defaultsDeep({}, options, defaults);
options.return_query = true;
const selectQuery = this.find(queryObject, options);
const queryOptions = normalizer.normalize_query_option(options);
const self = this;
this._execute_table_stream(selectQuery.query, selectQuery.params, queryOptions, function f1() {
const reader = this;
reader.readRow = () => {
const row = reader.read();
if (!row) return row;
Eif (!options.raw) {
const ModelConstructor = self._properties.get_constructor();
const o = new ModelConstructor(row);
o._modified = {};
return o;
}
return row;
};
onReadable(reader);
}, (err) => {
Iif (err) {
callback(buildError('model.find.dberror', err));
return;
}
callback();
});
};
BaseModel._execute_gremlin_query = function f(script, bindings, callback) {
const gremlinClient = this.get_gremlin_client();
gremlinClient.execute(script, bindings, (err, results) => {
Iif (err) {
callback(err);
return;
}
callback(null, results);
});
};
BaseModel._execute_gremlin_script = function f(script, bindings, callback) {
this._execute_gremlin_query(script, bindings, (err, results) => {
Iif (err) {
callback(err);
return;
}
callback(null, results[0]);
});
};
BaseModel.createVertex = function f(vertexProperties, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
const __vertexLabel = properties.table_name;
let script = `
graph = ConfiguredGraphFactory.open(__graphName);
vertex = graph.addVertex(__vertexLabel);
`;
Object.keys(vertexProperties).forEach((property) => {
script += `vertex.property('${property}', ${property});`;
});
script += 'vertex';
const bindings = _.defaults({}, vertexProperties, {
__graphName,
__vertexLabel,
});
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.getVertex = function f(__vertexId, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
const script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
vertex = g.V(__vertexId);
`;
const bindings = {
__graphName,
__vertexId,
};
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.updateVertex = function f(__vertexId, vertexProperties, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
let script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
vertex = g.V(__vertexId);
`;
Object.keys(vertexProperties).forEach((property) => {
script += `vertex.property('${property}', ${property});`;
});
script += 'vertex';
const bindings = _.defaults({}, vertexProperties, {
__graphName,
__vertexId,
});
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.deleteVertex = function f(__vertexId, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
const script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
vertex = g.V(__vertexId);
vertex.drop();
`;
const bindings = {
__graphName,
__vertexId,
};
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.createEdge = function f(__edgeLabel, __fromVertexId, __toVertexId, edgeProperties, callback) {
if (arguments.length === 4 && typeof edgeProperties === 'function') {
callback = edgeProperties;
edgeProperties = {};
}
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
let script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
fromVertex = g.V(__fromVertexId).next();
toVertex = g.V(__toVertexId).next();
edge = fromVertex.addEdge(__edgeLabel, toVertex);
`;
Object.keys(edgeProperties).forEach((property) => {
script += `edge.property('${property}', ${property});`;
});
script += 'edge';
const bindings = _.defaults({}, edgeProperties, {
__graphName,
__fromVertexId,
__toVertexId,
__edgeLabel,
});
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.getEdge = function f(__edgeId, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
const script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
edge = g.E(__edgeId);
`;
const bindings = {
__graphName,
__edgeId,
};
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.updateEdge = function f(__edgeId, edgeProperties, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
let script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
edge = g.E(__edgeId);
`;
Object.keys(edgeProperties).forEach((property) => {
script += `edge.property('${property}', ${property});`;
});
script += 'edge';
const bindings = _.defaults({}, edgeProperties, {
__graphName,
__edgeId,
});
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.deleteEdge = function f(__edgeId, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
const script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
edge = g.E(__edgeId);
edge.drop();
`;
const bindings = {
__graphName,
__edgeId,
};
this._execute_gremlin_script(script, bindings, callback);
};
BaseModel.graphQuery = function f(query, params, callback) {
const properties = this._properties;
const __graphName = `${properties.keyspace}_graph`;
const __vertexLabel = properties.table_name;
let script = `
graph = ConfiguredGraphFactory.open(__graphName);
g = graph.traversal();
vertices = g.V().hasLabel(__vertexLabel);
`;
script += query;
const bindings = _.defaults({}, params, {
__graphName,
__vertexLabel,
});
this._execute_gremlin_query(script, bindings, callback);
};
BaseModel.search = function f(queryObject, callback) {
const esClient = this.get_es_client();
const indexName = `${this._properties.keyspace}_${this._properties.table_name}`;
const query = _.defaults({}, queryObject, {
index: indexName,
type: this._properties.table_name,
});
esClient.search(query, (err, response) => {
Iif (err) {
callback(err);
return;
}
callback(null, response);
});
};
BaseModel.find = function f(queryObject, options, callback) {
if (arguments.length === 2 && typeof options === 'function') {
callback = options;
options = {};
}
Iif (typeof callback !== 'function' && !options.return_query) {
throw (buildError('model.find.cberror'));
}
const defaults = {
raw: false,
prepare: true,
};
options = _.defaultsDeep({}, options, defaults);
// set raw true if select is used,
// because casting to model instances may lead to problems
if (options.select) options.raw = true;
let queryParams = [];
let query;
try {
const findQuery = this.get_find_query(queryObject, options);
query = findQuery.query;
queryParams = queryParams.concat(findQuery.params);
} catch (e) {
parser.callback_or_throw(e, callback);
return {};
}
if (options.return_query) {
return { query, params: queryParams };
}
const queryOptions = normalizer.normalize_query_option(options);
this._execute_table_query(query, queryParams, queryOptions, (err, results) => {
Iif (err) {
callback(buildError('model.find.dberror', err));
return;
}
if (!options.raw) {
const ModelConstructor = this._properties.get_constructor();
results = results.rows.map((res) => {
delete (res.columns);
const o = new ModelConstructor(res);
o._modified = {};
return o;
});
callback(null, results);
} else {
results = results.rows.map((res) => {
delete (res.columns);
return res;
});
callback(null, results);
}
});
return {};
};
BaseModel.findOne = function f(queryObject, options, callback) {
if (arguments.length === 2 && typeof options === 'function') {
callback = options;
options = {};
}
Iif (typeof callback !== 'function' && !options.return_query) {
throw (buildError('model.find.cberror'));
}
queryObject.$limit = 1;
return this.find(queryObject, options, (err, results) => {
Iif (err) {
callback(err);
return;
}
if (results.length > 0) {
callback(null, results[0]);
return;
}
callback();
});
};
BaseModel.update = function f(queryObject, updateValues, options, callback) {
if (arguments.length === 3 && typeof options === 'function') {
callback = options;
options = {};
}
const schema = this._properties.schema;
const defaults = {
prepare: true,
};
options = _.defaultsDeep({}, options, defaults);
Iif (typeof schema.before_update === 'function' && schema.before_update(queryObject, updateValues, options) === false) {
parser.callback_or_throw(buildError('model.update.before.error'), callback);
return {};
}
const { updateClauses, queryParams, errorHappened } = parser.get_update_value_expression(
this,
schema,
updateValues,
callback,
);
if (errorHappened) return {};
let query = 'UPDATE "%s"';
let finalParams = queryParams;
if (_.isNumber(options.ttl)) {
query += ' USING TTL ?';
finalParams = [options.ttl].concat(finalParams);
}
query += ' SET %s %s';
let where = '';
try {
const whereClause = parser.get_where_clause(schema, queryObject);
where = whereClause.query;
finalParams = finalParams.concat(whereClause.params);
} catch (e) {
parser.callback_or_throw(e, callback);
return {};
}
query = util.format(query, this._properties.table_name, updateClauses.join(', '), where);
if (options.conditions) {
const ifClause = parser.get_if_clause(schema, options.conditions);
Eif (ifClause.query) {
query += util.format(' %s', ifClause.query);
finalParams = finalParams.concat(ifClause.params);
}
} else if (options.if_exists) {
query += ' IF EXISTS';
}
query += ';';
if (options.return_query) {
const returnObj = {
query,
params: finalParams,
after_hook: () => {
Iif (typeof schema.after_update === 'function' && schema.after_update(queryObject, updateValues, options) === false) {
return buildError('model.update.after.error');
}
return true;
},
};
return returnObj;
}
const queryOptions = normalizer.normalize_query_option(options);
this._execute_table_query(query, finalParams, queryOptions, (err, results) => {
Eif (typeof callback === 'function') {
Iif (err) {
callback(buildError('model.update.dberror', err));
return;
}
Iif (typeof schema.after_update === 'function' && schema.after_update(queryObject, updateValues, options) === false) {
callback(buildError('model.update.after.error'));
return;
}
callback(null, results);
} else if (err) {
throw (buildError('model.update.dberror', err));
} else if (typeof schema.after_update === 'function' && schema.after_update(queryObject, updateValues, options) === false) {
throw (buildError('model.update.after.error'));
}
});
return {};
};
BaseModel.delete = function f(queryObject, options, callback) {
if (arguments.length === 2 && typeof options === 'function') {
callback = options;
options = {};
}
const schema = this._properties.schema;
const defaults = {
prepare: true,
};
options = _.defaultsDeep({}, options, defaults);
Iif (typeof schema.before_delete === 'function' && schema.before_delete(queryObject, options) === false) {
parser.callback_or_throw(buildError('model.delete.before.error'), callback);
return {};
}
let queryParams = [];
let query = 'DELETE FROM "%s" %s;';
let where = '';
try {
const whereClause = parser.get_where_clause(schema, queryObject);
where = whereClause.query;
queryParams = queryParams.concat(whereClause.params);
} catch (e) {
parser.callback_or_throw(e, callback);
return {};
}
query = util.format(query, this._properties.table_name, where);
if (options.return_query) {
const returnObj = {
query,
params: queryParams,
after_hook: () => {
Iif (typeof schema.after_delete === 'function' && schema.after_delete(queryObject, options) === false) {
return buildError('model.delete.after.error');
}
return true;
},
};
return returnObj;
}
const queryOptions = normalizer.normalize_query_option(options);
this._execute_table_query(query, queryParams, queryOptions, (err, results) => {
Eif (typeof callback === 'function') {
Iif (err) {
callback(buildError('model.delete.dberror', err));
return;
}
Iif (typeof schema.after_delete === 'function' && schema.after_delete(queryObject, options) === false) {
callback(buildError('model.delete.after.error'));
return;
}
callback(null, results);
} else if (err) {
throw (buildError('model.delete.dberror', err));
} else if (typeof schema.after_delete === 'function' && schema.after_delete(queryObject, options) === false) {
throw (buildError('model.delete.after.error'));
}
});
return {};
};
BaseModel.truncate = function f(callback) {
const properties = this._properties;
const tableName = properties.table_name;
const query = util.format('TRUNCATE TABLE "%s";', tableName);
this._execute_table_query(query, [], callback);
};
BaseModel.prototype.get_data_types = function f() {
return cql.types;
};
BaseModel.prototype.get_table_name = function f() {
return this.constructor.get_table_name();
};
BaseModel.prototype.get_keyspace_name = function f() {
return this.constructor.get_keyspace_name();
};
BaseModel.prototype._get_default_value = function f(fieldname) {
const properties = this.constructor._properties;
const schema = properties.schema;
if (_.isPlainObject(schema.fields[fieldname]) && schema.fields[fieldname].default !== undefined) {
if (typeof schema.fields[fieldname].default === 'function') {
return schema.fields[fieldname].default.call(this);
}
return schema.fields[fieldname].default;
}
return undefined;
};
BaseModel.prototype.validate = function f(propertyName, value) {
value = value || this[propertyName];
this._validators = this._validators || {};
return schemer.get_validation_message(this._validators[propertyName] || [], value);
};
BaseModel.prototype.save = function fn(options, callback) {
if (arguments.length === 1 && typeof options === 'function') {
callback = options;
options = {};
}
const properties = this.constructor._properties;
const schema = properties.schema;
const defaults = {
prepare: true,
};
options = _.defaultsDeep({}, options, defaults);
Iif (typeof schema.before_save === 'function' && schema.before_save(this, options) === false) {
parser.callback_or_throw(buildError('model.save.before.error'), callback);
return {};
}
const {
identifiers,
values,
queryParams,
errorHappened,
} = parser.get_save_value_expression(this, schema, callback);
if (errorHappened) return {};
let query = util.format(
'INSERT INTO "%s" ( %s ) VALUES ( %s )',
properties.table_name,
identifiers.join(' , '),
values.join(' , '),
);
if (options.if_not_exist) query += ' IF NOT EXISTS';
let finalParams = queryParams;
if (_.isNumber(options.ttl)) {
query += ' USING TTL ?';
finalParams = finalParams.concat([options.ttl]);
}
query += ';';
if (options.return_query) {
const returnObj = {
query,
params: finalParams,
after_hook: () => {
Iif (typeof schema.after_save === 'function' && schema.after_save(this, options) === false) {
return buildError('model.save.after.error');
}
return true;
},
};
return returnObj;
}
const queryOptions = normalizer.normalize_query_option(options);
this.constructor._execute_table_query(query, finalParams, queryOptions, (err, result) => {
Eif (typeof callback === 'function') {
Iif (err) {
callback(buildError('model.save.dberror', err));
return;
}
if (!options.if_not_exist || (result.rows && result.rows[0] && result.rows[0]['[applied]'])) {
this._modified = {};
}
Iif (typeof schema.after_save === 'function' && schema.after_save(this, options) === false) {
callback(buildError('model.save.after.error'));
return;
}
callback(null, result);
} else if (err) {
throw (buildError('model.save.dberror', err));
} else if (typeof schema.after_save === 'function' && schema.after_save(this, options) === false) {
throw (buildError('model.save.after.error'));
}
});
return {};
};
BaseModel.prototype.delete = function f(options, callback) {
if (arguments.length === 1 && typeof options === 'function') {
callback = options;
options = {};
}
const schema = this.constructor._properties.schema;
const deleteQuery = {};
for (let i = 0; i < schema.key.length; i++) {
const fieldKey = schema.key[i];
if (_.isArray(fieldKey)) {
for (let j = 0; j < fieldKey.length; j++) {
deleteQuery[fieldKey[j]] = this[fieldKey[j]];
}
} else {
deleteQuery[fieldKey] = this[fieldKey];
}
}
return this.constructor.delete(deleteQuery, options, callback);
};
BaseModel.prototype.toJSON = function toJSON() {
const object = {};
const schema = this.constructor._properties.schema;
Object.keys(schema.fields).forEach((field) => {
object[field] = this[field];
});
return object;
};
BaseModel.prototype.isModified = function isModified(propName) {
if (propName) {
return Object.prototype.hasOwnProperty.call(this._modified, propName);
}
return Object.keys(this._modified).length !== 0;
};
module.exports = BaseModel;
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