1305 lines
55 KiB
JavaScript

'use strict';
/**
* Module dependencies
*/
// Core
const path = require('path');
// Public node modules.
const _ = require('lodash');
const bookshelf = require('bookshelf');
const pluralize = require('pluralize');
// Strapi helpers for models.
const utilsModels = require('strapi-utils').models;
// Local helpers.
const utils = require('./utils/');
const relations = require('./relations');
const { Query } = require('./query');
const { Converter } = require('./converter');
const buildQuery = require('./buildQuery');
const PIVOT_PREFIX = '_pivot_';
const GLOBALS = {};
/**
* Bookshelf hook
*/
module.exports = function(strapi) {
const hook = _.merge(
{
/**
* Default options
*/
defaults: {
defaultConnection: 'default',
host: 'localhost',
},
/**
* Initialize the hook
*/
initialize: async cb => {
const connections = _.pickBy(strapi.config.connections, {
connector: 'strapi-hook-bookshelf',
});
const databaseUpdate = [];
_.forEach(connections, (connection, connectionName) => {
// Apply defaults
_.defaults(connection.settings, strapi.config.hook.settings.bookshelf);
// Create Bookshelf instance for this connection.
const ORM = new bookshelf(strapi.connections[connectionName]);
try {
// Require `config/functions/bookshelf.js` file to customize connection.
require(path.resolve(strapi.config.appPath, 'config', 'functions', 'bookshelf.js'))(
ORM,
connection
);
} catch (err) {
// This is not an error if the file is not found.
}
// Load plugins
if (_.get(connection, 'options.plugins', true) !== false) {
ORM.plugin('visibility');
ORM.plugin('pagination');
}
const mountModels = (models, target, plugin = false) => {
// Parse every authenticated model.
_.forEach(models, (definition, model) => {
definition.globalName = _.upperFirst(_.camelCase(definition.globalId));
// Define local GLOBALS to expose every models in this file.
GLOBALS[definition.globalId] = {};
// Add some informations about ORM & client connection & tableName
definition.orm = 'bookshelf';
definition.client = _.get(connection.settings, 'client');
_.defaults(definition, {
primaryKey: 'id',
primaryKeyType: _.get(definition, 'options.idAttributeType', 'integer'),
});
// Use default timestamp column names if value is `true`
if (_.get(definition, 'options.timestamps', false) === true) {
_.set(definition, 'options.timestamps', ['created_at', 'updated_at']);
}
// Use false for values other than `Boolean` or `Array`
if (
!_.isArray(_.get(definition, 'options.timestamps')) &&
!_.isBoolean(_.get(definition, 'options.timestamps'))
) {
_.set(definition, 'options.timestamps', false);
}
// Register the final model for Bookshelf.
const loadedModel = _.assign(
{
tableName: definition.collectionName,
hasTimestamps: _.get(definition, 'options.timestamps', false),
idAttribute: _.get(definition, 'options.idAttribute', 'id'),
associations: [],
defaults: Object.keys(definition.attributes).reduce((acc, current) => {
if (
definition.attributes[current].type &&
definition.attributes[current].default
) {
acc[current] = definition.attributes[current].default;
}
return acc;
}, {}),
},
definition.options
);
if (_.isString(_.get(connection, 'options.pivot_prefix'))) {
loadedModel.toJSON = function(options = {}) {
const { shallow = false, omitPivot = false } = options;
const attributes = this.serialize(options);
if (!shallow) {
const pivot = this.pivot && !omitPivot && this.pivot.attributes;
// Remove pivot attributes with prefix.
_.keys(pivot).forEach(key => delete attributes[`${PIVOT_PREFIX}${key}`]);
// Add pivot attributes without prefix.
const pivotAttributes = _.mapKeys(
pivot,
(value, key) => `${connection.options.pivot_prefix}${key}`
);
return Object.assign({}, attributes, pivotAttributes);
}
return attributes;
};
}
// Initialize the global variable with the
// capitalized model name.
if (!plugin) {
global[definition.globalName] = {};
}
// Call this callback function after we are done parsing
// all attributes for relationships-- see below.
const done = _.after(_.size(definition.attributes), () => {
try {
// External function to map key that has been updated with `columnName`
const mapper = (params = {}) => {
if (definition.client === 'mysql' || definition.client === 'sqlite3') {
Object.keys(params).map(key => {
const attr = definition.attributes[key] || {};
if (attr.type === 'json') {
params[key] = JSON.stringify(params[key]);
}
});
}
return _.mapKeys(params, (value, key) => {
const attr = definition.attributes[key] || {};
return _.isPlainObject(attr) && _.isString(attr['columnName'])
? attr['columnName']
: key;
});
};
// Update serialize to reformat data for polymorphic associations.
loadedModel.serialize = function(options) {
const attrs = _.clone(this.attributes);
if (options && options.shallow) {
return attrs;
}
const relations = this.relations;
// Extract association except polymorphic.
const associations = definition.associations.filter(
association => association.nature.toLowerCase().indexOf('morph') === -1
);
// Extract polymorphic association.
const polymorphicAssociations = definition.associations.filter(
association => association.nature.toLowerCase().indexOf('morph') !== -1
);
polymorphicAssociations.map(association => {
// Retrieve relation Bookshelf object.
const relation = relations[association.alias];
if (relation) {
// Extract raw JSON data.
attrs[association.alias] = relation.toJSON
? relation.toJSON(options)
: relation;
// Retrieve opposite model.
const model = association.plugin
? strapi.plugins[association.plugin].models[
association.collection || association.model
]
: strapi.models[association.collection || association.model];
// Reformat data by bypassing the many-to-many relationship.
switch (association.nature) {
case 'oneToManyMorph':
attrs[association.alias] =
attrs[association.alias][model.collectionName];
break;
case 'manyToManyMorph':
attrs[association.alias] = attrs[association.alias].map(
rel => rel[model.collectionName]
);
break;
case 'oneMorphToOne':
attrs[association.alias] = attrs[association.alias].related;
break;
case 'manyMorphToOne':
case 'manyMorphToMany':
attrs[association.alias] = attrs[association.alias].map(
obj => obj.related
);
break;
default:
}
}
});
associations.map(association => {
const relation = relations[association.alias];
if (relation) {
// Extract raw JSON data.
attrs[association.alias] = relation.toJSON
? relation.toJSON(options)
: relation;
}
});
return attrs;
};
// Initialize lifecycle callbacks.
loadedModel.initialize = function() {
const lifecycle = {
creating: 'beforeCreate',
created: 'afterCreate',
destroying: 'beforeDestroy',
destroyed: 'afterDestroy',
updating: 'beforeUpdate',
updated: 'afterUpdate',
fetching: 'beforeFetch',
'fetching:collection': 'beforeFetchAll',
fetched: 'afterFetch',
'fetched:collection': 'afterFetchAll',
saving: 'beforeSave',
saved: 'afterSave',
};
_.forEach(lifecycle, (fn, key) => {
if (_.isFunction(target[model.toLowerCase()][fn])) {
this.on(key, target[model.toLowerCase()][fn]);
}
});
const findModelByAssoc = ({ assoc }) => {
return assoc.plugin
? strapi.plugins[assoc.plugin].models[assoc.collection || assoc.model]
: strapi.models[assoc.collection || assoc.model];
};
const isPolymorphic = ({ assoc }) => {
return assoc.nature.toLowerCase().indexOf('morph') !== -1;
};
const formatPolymorphicPopulate = ({ assoc, path, prefix = '' }) => {
if (_.isString(path) && path === assoc.via) {
return `related.${assoc.via}`;
} else if (_.isString(path) && path === assoc.alias) {
// MorphTo side.
if (assoc.related) {
return `${prefix}${assoc.alias}.related`;
}
// oneToMorph or manyToMorph side.
// Retrieve collection name because we are using it to build our hidden model.
const model = findModelByAssoc({ assoc });
return {
[`${prefix}${assoc.alias}.${model.collectionName}`]: function(query) {
query.orderBy('created_at', 'desc');
},
};
}
};
// Update withRelated level to bypass many-to-many association for polymorphic relationshiips.
// Apply only during fetching.
this.on('fetching fetching:collection', (instance, attrs, options) => {
if (_.isArray(options.withRelated)) {
options.withRelated = options.withRelated
.map(path => {
const assoc = definition.associations.find(
assoc => assoc.alias === path || assoc.via === path
);
if (assoc && isPolymorphic({ assoc })) {
return formatPolymorphicPopulate({ assoc, path });
}
let extraAssocs = [];
if (assoc) {
const assocModel = findModelByAssoc({ assoc });
extraAssocs = assocModel.associations
.filter(assoc => isPolymorphic({ assoc }))
.map(assoc =>
formatPolymorphicPopulate({
assoc,
path: assoc.alias,
prefix: `${path}.`,
})
);
}
return [path, ...extraAssocs];
})
.reduce((acc, paths) => acc.concat(paths), []);
}
return _.isFunction(target[model.toLowerCase()]['beforeFetchAll'])
? target[model.toLowerCase()]['beforeFetchAll']
: Promise.resolve();
});
//eslint-disable-next-line
this.on('saving', (instance, attrs, options) => {
instance.attributes = mapper(instance.attributes);
attrs = mapper(attrs);
return _.isFunction(target[model.toLowerCase()]['beforeSave'])
? target[model.toLowerCase()]['beforeSave']
: Promise.resolve();
});
// Convert to JSON format stringify json for mysql database
if (definition.client === 'mysql' || definition.client === 'sqlite3') {
const events = [
{
name: 'saved',
target: 'afterSave',
},
{
name: 'fetched',
target: 'afterFetch',
},
{
name: 'fetched:collection',
target: 'afterFetchAll',
},
];
const jsonFormatter = attributes => {
Object.keys(attributes).map(key => {
const attr = definition.attributes[key] || {};
if (attr.type === 'json') {
attributes[key] = JSON.parse(attributes[key]);
}
});
};
events.forEach(event => {
let fn;
if (event.name.indexOf('collection') !== -1) {
fn = instance =>
instance.models.map(entry => {
jsonFormatter(entry.attributes);
});
} else {
fn = instance => jsonFormatter(instance.attributes);
}
this.on(event.name, instance => {
fn(instance);
return _.isFunction(target[model.toLowerCase()][event.target])
? target[model.toLowerCase()][event.target]
: Promise.resolve();
});
});
}
};
loadedModel.hidden = _.keys(
_.keyBy(
_.filter(definition.attributes, (value, key) => {
if (
value.hasOwnProperty('columnName') &&
!_.isEmpty(value.columnName) &&
value.columnName !== key
) {
return true;
}
}),
'columnName'
)
);
GLOBALS[definition.globalId] = ORM.Model.extend(loadedModel);
if (!plugin) {
// Only expose as real global variable the models which
// are not scoped in a plugin.
global[definition.globalId] = GLOBALS[definition.globalId];
}
// Expose ORM functions through the `strapi.models[xxx]`
// or `strapi.plugins[xxx].models[yyy]` object.
target[model] = _.assign(GLOBALS[definition.globalId], target[model]);
// Push attributes to be aware of model schema.
target[model]._attributes = definition.attributes;
target[model].updateRelations = relations.update;
databaseUpdate.push(
new Promise(async (resolve, reject) => {
try {
// Equilize database tables
const handler = async (table, attributes) => {
const tableExist = await ORM.knex.schema.hasTable(table);
/**
*
* @param {*} attribute
* @param {*} name
* @param {*} isTableExist Used to determine queries that cant be run while ALTERing TABLE
*/
const getType = (attribute, name, isTableExist = false) => {
let type;
if (!attribute.type) {
// Add integer value if there is a relation
const relation = definition.associations.find(association => {
return association.alias === name;
});
switch (relation.nature) {
case 'oneToOne':
case 'manyToOne':
case 'oneWay':
type = definition.primaryKeyType;
break;
default:
return null;
}
} else {
switch (attribute.type) {
case 'uuid':
type = definition.client === 'pg' ? 'uuid' : 'varchar(36)';
break;
case 'text':
type = definition.client === 'pg' ? 'text' : 'longtext';
break;
case 'json':
type = definition.client === 'pg' ? 'jsonb' : 'longtext';
break;
case 'string':
case 'enumeration':
case 'password':
case 'email':
type = 'varchar(255)';
break;
case 'integer':
type = definition.client === 'pg' ? 'integer' : 'int';
break;
case 'biginteger':
type = definition.client === 'pg' ? 'bigint' : 'bigint(53)';
break;
case 'float':
type = definition.client === 'pg' ? 'double precision' : 'double';
break;
case 'decimal':
type = 'decimal(10,2)';
break;
case 'date':
case 'time':
case 'datetime':
case 'timestamp':
type =
definition.client === 'pg'
? 'timestamp with time zone'
: definition.client === 'sqlite3' && isTableExist
? 'timestamp DEFAULT NULL'
: 'timestamp DEFAULT CURRENT_TIMESTAMP';
break;
case 'timestampUpdate':
switch (definition.client) {
case 'pg':
type = 'timestamp with time zone';
break;
case 'sqlite3':
type = 'timestamp DEFAULT CURRENT_TIMESTAMP';
break;
default:
type =
'timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP';
break;
}
break;
case 'boolean':
type = 'boolean';
break;
default:
}
}
return type;
};
// Apply field type of attributes definition
const generateColumns = (attrs, start, isTableExist = false) => {
return Object.keys(attrs).reduce((acc, attr) => {
const attribute = attributes[attr];
const type = getType(attribute, attr, isTableExist);
if (type) {
acc.push(
`${quote}${attr}${quote} ${type} ${
attribute.required ? 'NOT' : ''
} NULL `
);
}
return acc;
}, start);
};
const generateIndexes = async table => {
try {
const connection = strapi.config.connections[definition.connection];
let columns = Object.keys(attributes).filter(attribute =>
['string', 'text'].includes(attributes[attribute].type)
);
if (!columns.length) {
// No text columns founds, exit from creating Fulltext Index
return;
}
switch (connection.settings.client) {
case 'mysql':
columns = columns.map(attribute => `\`${attribute}\``).join(',');
// Create fulltext indexes for every column.
await ORM.knex.raw(
`CREATE FULLTEXT INDEX SEARCH_${_.toUpper(
_.snakeCase(table)
)} ON \`${table}\` (${columns})`
);
break;
case 'pg': {
// Enable extension to allow GIN indexes.
await ORM.knex.raw('CREATE EXTENSION IF NOT EXISTS pg_trgm');
// Create GIN indexes for every column.
const indexes = columns.map(column => {
const indexName = `${_.snakeCase(table)}_${column}`;
const attribute =
_.toLower(column) === column ? column : `"${column}"`;
return ORM.knex.raw(
`CREATE INDEX IF NOT EXISTS search_${_.toLower(
indexName
)} ON "${table}" USING gin(${attribute} gin_trgm_ops)`
);
});
await Promise.all(indexes);
break;
}
}
} catch (e) {
// Handle duplicate errors.
if (e.errno !== 1061 && e.code !== '42P07') {
if (_.get(connection, 'options.debug') === true) {
console.log(e);
}
strapi.log.warn(
'The SQL database indexes haven\'t been generated successfully. Please enable the debug mode for more details.'
);
}
}
};
const storeTable = async (table, attributes) => {
const existTable = await StrapiConfigs.forge({
key: `db_model_${table}`,
}).fetch();
if (existTable) {
await StrapiConfigs.forge({ id: existTable.id }).save({
value: JSON.stringify(attributes),
});
} else {
await StrapiConfigs.forge({
key: `db_model_${table}`,
type: 'object',
value: JSON.stringify(attributes),
}).save();
}
};
const createTable = async table => {
const defaultAttributeDifinitions = {
mysql: ['id INT AUTO_INCREMENT NOT NULL PRIMARY KEY'],
pg: ['id SERIAL NOT NULL PRIMARY KEY'],
sqlite3: ['id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL'],
};
let idAttributeBuilder = defaultAttributeDifinitions[definition.client];
if (
definition.primaryKeyType === 'uuid' &&
definition.client === 'pg'
) {
idAttributeBuilder = [
'id uuid NOT NULL DEFAULT uuid_generate_v4() NOT NULL PRIMARY KEY',
];
} else if (definition.primaryKeyType !== 'integer') {
idAttributeBuilder = [
`id ${getType({
type: definition.primaryKeyType,
})} NOT NULL PRIMARY KEY`,
];
}
const columns = generateColumns(attributes, idAttributeBuilder).join(
',\n\r'
);
// Create table
await ORM.knex.raw(`
CREATE TABLE ${quote}${table}${quote} (
${columns}
)
`);
};
if (!tableExist) {
await createTable(table);
// Generate indexes.
await generateIndexes(table, attributes);
await storeTable(table, attributes);
} else {
const columns = Object.keys(attributes);
// Fetch existing column
const columnsExist = await Promise.all(
columns.map(attribute => ORM.knex.schema.hasColumn(table, attribute))
);
const columnsToAdd = {};
// Get columns to add
columnsExist.forEach((columnExist, index) => {
const attribute = attributes[columns[index]];
if (!columnExist) {
columnsToAdd[columns[index]] = attribute;
}
});
// Generate indexes for new attributes.
await generateIndexes(table, columnsToAdd);
let previousAttributes;
try {
previousAttributes = JSON.parse(
(await StrapiConfigs.forge({
key: `db_model_${table}`,
}).fetch()).toJSON().value
);
} catch (err) {
await storeTable(table, attributes);
previousAttributes = JSON.parse(
(await StrapiConfigs.forge({
key: `db_model_${table}`,
}).fetch()).toJSON().value
);
}
// Generate and execute query to add missing column
if (Object.keys(columnsToAdd).length > 0) {
const columns = generateColumns(columnsToAdd, [], tableExist);
const queries = columns.reduce((acc, attribute) => {
acc.push(`ALTER TABLE ${quote}${table}${quote} ADD ${attribute};`);
return acc;
}, []);
await Promise.all(queries.map(query => ORM.knex.raw(query)));
}
let sqlite3Change = false;
// Execute query to update column type
await Promise.all(
columns.map(
attribute =>
new Promise(async resolve => {
if (
JSON.stringify(previousAttributes[attribute]) ===
JSON.stringify(attributes[attribute])
) {
return resolve();
} else {
sqlite3Change = true;
}
const type = getType(attributes[attribute], attribute);
if (type && definition.client !== 'sqlite3') {
const changeType =
definition.client === 'pg'
? `ALTER COLUMN ${quote}${attribute}${quote} TYPE ${type} USING ${quote}${attribute}${quote}::${type}`
: `CHANGE ${quote}${attribute}${quote} ${quote}${attribute}${quote} ${type} `;
const changeRequired =
definition.client === 'pg'
? `ALTER COLUMN ${quote}${attribute}${quote} ${
attributes[attribute].required ? 'SET' : 'DROP'
} NOT NULL`
: `CHANGE ${quote}${attribute}${quote} ${quote}${attribute}${quote} ${type} ${
attributes[attribute].required ? 'NOT' : ''
} NULL`;
await ORM.knex.raw(
`ALTER TABLE ${quote}${table}${quote} ${changeType}`
);
await ORM.knex.raw(
`ALTER TABLE ${quote}${table}${quote} ${changeRequired}`
);
}
resolve();
})
)
);
if (sqlite3Change && definition.client === 'sqlite3') {
await createTable(`tmp_${table}`);
try {
const attrs = Object.keys(attributes)
.filter(attribute => getType(attributes[attribute], attribute))
.join(' ,');
await ORM.knex.raw(
`INSERT INTO ${quote}tmp_${table}${quote}(${attrs}) SELECT ${attrs} FROM ${quote}${table}${quote}`
);
} catch (err) {
console.log('Warning!');
console.log(
'We can\'t migrate your data due to the following error.'
);
console.log();
console.log(err);
console.log();
console.log(
`We created a new table "tmp_${table}" with your latest changes.`
);
console.log(
`We suggest you manually migrate your data from "${table}" to "tmp_${table}" and then to DROP and RENAME the tables.`
);
return false;
}
await ORM.knex.raw(`DROP TABLE ${quote}${table}${quote}`);
await ORM.knex.raw(
`ALTER TABLE ${quote}tmp_${table}${quote} RENAME TO ${quote}${table}${quote}`
);
await generateIndexes(table, attributes);
}
await storeTable(table, attributes);
}
};
const quote = definition.client === 'pg' ? '"' : '`';
// Add created_at and updated_at field if timestamp option is true
if (loadedModel.hasTimestamps) {
definition.attributes[
_.isString(loadedModel.hasTimestamps[0])
? loadedModel.hasTimestamps[0]
: 'created_at'
] = {
type: 'timestamp',
};
definition.attributes[
_.isString(loadedModel.hasTimestamps[1])
? loadedModel.hasTimestamps[1]
: 'updated_at'
] = {
type: 'timestampUpdate',
};
}
// Equilize tables
if (connection.options && connection.options.autoMigration !== false) {
await handler(loadedModel.tableName, definition.attributes);
}
// Equilize polymorphic releations
const morphRelations = definition.associations.find(association => {
return association.nature.toLowerCase().includes('morphto');
});
if (morphRelations) {
const attributes = {
[`${loadedModel.tableName}_id`]: {
type: definition.primaryKeyType,
},
[`${morphRelations.alias}_id`]: {
type: definition.primaryKeyType,
},
[`${morphRelations.alias}_type`]: {
type: 'text',
},
[definition.attributes[morphRelations.alias].filter]: {
type: 'text',
},
};
if (connection.options && connection.options.autoMigration !== false) {
await handler(`${loadedModel.tableName}_morph`, attributes);
}
}
// Equilize many to many releations
const manyRelations = definition.associations.find(association => {
return association.nature === 'manyToMany';
});
if (manyRelations && manyRelations.dominant) {
const collection = manyRelations.plugin
? strapi.plugins[manyRelations.plugin].models[manyRelations.collection]
: strapi.models[manyRelations.collection];
const attributes = {
[`${pluralize.singular(manyRelations.collection)}_id`]: {
type: definition.primaryKeyType,
},
[`${pluralize.singular(definition.globalId.toLowerCase())}_id`]: {
type: definition.primaryKeyType,
},
};
const table =
_.get(manyRelations, 'collectionName') ||
utilsModels.getCollectionName(
collection.attributes[manyRelations.via],
manyRelations
);
await handler(table, attributes);
}
// Remove from attributes (auto handled by bookshlef and not displayed on ctb)
if (loadedModel.hasTimestamps) {
delete definition.attributes[
_.isString(loadedModel.hasTimestamps[0])
? loadedModel.hasTimestamps[0]
: 'created_at'
];
delete definition.attributes[
_.isString(loadedModel.hasTimestamps[1])
? loadedModel.hasTimestamps[1]
: 'updated_at'
];
}
return resolve();
} catch (error) {
return reject(error);
}
})
);
} catch (err) {
strapi.log.error(`Impossible to register the '${model}' model.`);
strapi.log.error(err);
strapi.stop();
}
});
if (_.isEmpty(definition.attributes)) {
done();
}
// Add every relationships to the loaded model for Bookshelf.
// Basic attributes don't need this-- only relations.
_.forEach(definition.attributes, (details, name) => {
const verbose =
_.get(
utilsModels.getNature(details, name, undefined, model.toLowerCase()),
'verbose'
) || '';
// Build associations key
utilsModels.defineAssociations(model.toLowerCase(), definition, details, name);
let globalId;
const globalName = details.model || details.collection || '';
// Exclude polymorphic association.
if (globalName !== '*') {
globalId = details.plugin
? _.get(
strapi.plugins,
`${details.plugin}.models.${globalName.toLowerCase()}.globalId`
)
: _.get(strapi.models, `${globalName.toLowerCase()}.globalId`);
}
switch (verbose) {
case 'hasOne': {
const FK = details.plugin
? _.findKey(
strapi.plugins[details.plugin].models[details.model].attributes,
details => {
if (
details.hasOwnProperty('model') &&
details.model === model &&
details.hasOwnProperty('via') &&
details.via === name
) {
return details;
}
}
)
: _.findKey(strapi.models[details.model].attributes, details => {
if (
details.hasOwnProperty('model') &&
details.model === model &&
details.hasOwnProperty('via') &&
details.via === name
) {
return details;
}
});
const columnName = details.plugin
? _.get(
strapi.plugins,
`${details.plugin}.models.${details.model}.attributes.${FK}.columnName`,
FK
)
: _.get(strapi.models, `${details.model}.attributes.${FK}.columnName`, FK);
loadedModel[name] = function() {
return this.hasOne(GLOBALS[globalId], columnName);
};
break;
}
case 'hasMany': {
const columnName = details.plugin
? _.get(
strapi.plugins,
`${details.plugin}.models.${globalId.toLowerCase()}.attributes.${
details.via
}.columnName`,
details.via
)
: _.get(
strapi.models[globalId.toLowerCase()].attributes,
`${details.via}.columnName`,
details.via
);
// Set this info to be able to see if this field is a real database's field.
details.isVirtual = true;
loadedModel[name] = function() {
return this.hasMany(GLOBALS[globalId], columnName);
};
break;
}
case 'belongsTo': {
loadedModel[name] = function() {
return this.belongsTo(GLOBALS[globalId], _.get(details, 'columnName', name));
};
break;
}
case 'belongsToMany': {
const collection = details.plugin
? strapi.plugins[details.plugin].models[details.collection]
: strapi.models[details.collection];
const collectionName =
_.get(details, 'collectionName') ||
utilsModels.getCollectionName(collection.attributes[details.via], details);
const relationship = _.clone(collection.attributes[details.via]);
// Force singular foreign key
relationship.attribute = pluralize.singular(relationship.collection);
details.attribute = pluralize.singular(details.collection);
// Define PK column
details.column = utils.getPK(model, strapi.models);
relationship.column = utils.getPK(details.collection, strapi.models);
// Sometimes the many-to-many relationships
// is on the same keys on the same models (ex: `friends` key in model `User`)
if (
`${details.attribute}_${details.column}` ===
`${relationship.attribute}_${relationship.column}`
) {
relationship.attribute = pluralize.singular(details.via);
}
// Set this info to be able to see if this field is a real database's field.
details.isVirtual = true;
loadedModel[name] = function() {
if (_.isArray(_.get(details, 'withPivot')) && !_.isEmpty(details.withPivot)) {
return this.belongsToMany(
GLOBALS[globalId],
collectionName,
`${relationship.attribute}_${relationship.column}`,
`${details.attribute}_${details.column}`
).withPivot(details.withPivot);
}
return this.belongsToMany(
GLOBALS[globalId],
collectionName,
`${relationship.attribute}_${relationship.column}`,
`${details.attribute}_${details.column}`
);
};
break;
}
case 'morphOne': {
const model = details.plugin
? strapi.plugins[details.plugin].models[details.model]
: strapi.models[details.model];
const globalId = `${model.collectionName}_morph`;
loadedModel[name] = function() {
return this.morphOne(
GLOBALS[globalId],
details.via,
`${definition.collectionName}`
).query(qb => {
qb.where(_.get(model, `attributes.${details.via}.filter`, 'field'), name);
});
};
break;
}
case 'morphMany': {
const collection = details.plugin
? strapi.plugins[details.plugin].models[details.collection]
: strapi.models[details.collection];
const globalId = `${collection.collectionName}_morph`;
loadedModel[name] = function() {
return this.morphMany(
GLOBALS[globalId],
details.via,
`${definition.collectionName}`
).query(qb => {
qb.where(
_.get(collection, `attributes.${details.via}.filter`, 'field'),
name
);
});
};
break;
}
case 'belongsToMorph':
case 'belongsToManyMorph': {
const association = definition.associations.find(
association => association.alias === name
);
const morphValues = association.related.map(id => {
let models = Object.values(strapi.models).filter(
model => model.globalId === id
);
if (models.length === 0) {
models = Object.keys(strapi.plugins).reduce((acc, current) => {
const models = Object.values(strapi.plugins[current].models).filter(
model => model.globalId === id
);
if (acc.length === 0 && models.length > 0) {
acc = models;
}
return acc;
}, []);
}
if (models.length === 0) {
strapi.log.error(`Impossible to register the '${model}' model.`);
strapi.log.error(
'The collection name cannot be found for the morphTo method.'
);
strapi.stop();
}
return models[0].collectionName;
});
// Define new model.
const options = {
tableName: `${definition.collectionName}_morph`,
[definition.collectionName]: function() {
return this.belongsTo(
GLOBALS[definition.globalId],
`${definition.collectionName}_id`
);
},
related: function() {
return this.morphTo(
name,
...association.related.map((id, index) => [
GLOBALS[id],
morphValues[index],
])
);
},
};
GLOBALS[options.tableName] = ORM.Model.extend(options);
// Set polymorphic table name to the main model.
target[model].morph = GLOBALS[options.tableName];
// Hack Bookshelf to create a many-to-many polymorphic association.
// Upload has many Upload_morph that morph to different model.
loadedModel[name] = function() {
if (verbose === 'belongsToMorph') {
return this.hasOne(
GLOBALS[options.tableName],
`${definition.collectionName}_id`
);
}
return this.hasMany(
GLOBALS[options.tableName],
`${definition.collectionName}_id`
);
};
break;
}
default: {
break;
}
}
done();
});
});
};
// Mount `./api` models.
mountModels(_.pickBy(strapi.models, { connection: connectionName }), strapi.models);
// Mount `./plugins` models.
_.forEach(strapi.plugins, (plugin, name) => {
mountModels(
_.pickBy(strapi.plugins[name].models, { connection: connectionName }),
plugin.models,
name
);
});
});
return Promise.all(databaseUpdate).then(() => cb(), cb);
},
getQueryParams: (value, type, key) => {
const result = {};
switch (type) {
case '=':
result.key = `where.${key}`;
result.value = {
symbol: '=',
value,
};
break;
case '_ne':
result.key = `where.${key}`;
result.value = {
symbol: '!=',
value,
};
break;
case '_lt':
result.key = `where.${key}`;
result.value = {
symbol: '<',
value,
};
break;
case '_gt':
result.key = `where.${key}`;
result.value = {
symbol: '>',
value,
};
break;
case '_lte':
result.key = `where.${key}`;
result.value = {
symbol: '<=',
value,
};
break;
case '_gte':
result.key = `where.${key}`;
result.value = {
symbol: '>=',
value,
};
break;
case '_sort':
result.key = 'sort';
result.value = {
key,
order: value.toUpperCase(),
};
break;
case '_start':
result.key = 'start';
result.value = parseFloat(value);
break;
case '_limit':
result.key = 'limit';
result.value = parseFloat(value);
break;
case '_populate':
result.key = 'populate';
result.value = value;
break;
case '_contains':
case '_containss':
result.key = `where.${key}`;
result.value = {
symbol: 'like',
value: `%${value}%`,
};
break;
case '_in':
result.key = `where.${key}`;
result.value = {
symbol: 'IN',
value: _.castArray(value),
};
break;
case '_nin':
result.key = `where.${key}`;
result.value = {
symbol: 'NOT IN',
value: _.castArray(value),
};
break;
default:
return undefined;
}
return result;
},
Query,
Converter,
buildQuery,
},
relations
);
return hook;
};