2018-06-05 19:12:25 +02:00

493 lines
16 KiB
JavaScript
Executable File

'use strict';
/**
* Module dependencies
*/
// Node.js core
const path = require('path');
// Public node modules.
const _ = require('lodash');
/* eslint-disable prefer-template */
/*
* Set of utils for models
*/
module.exports = {
/**
* Initialize to prevent some mistakes
*/
initialize: cb => {
cb();
},
/**
* Find primary key per ORM
*/
getPK: function (collectionIdentity, collection, models) {
if (_.isString(collectionIdentity)) {
const ORM = this.getORM(collectionIdentity);
try {
const GraphQLFunctions = require(path.resolve(strapi.config.appPath, 'node_modules', 'strapi-' + ORM, 'lib', 'utils'));
if (!_.isUndefined(GraphQLFunctions)) {
return GraphQLFunctions.getPK(collectionIdentity, collection, models || strapi.models);
}
} catch (err) {
return undefined;
}
}
return undefined;
},
/**
* Retrieve the value based on the primary key
*/
getValuePrimaryKey: (value, defaultKey) => {
return value[defaultKey] || value.id || value._id;
},
/**
* Find primary key per ORM
*/
getCount: function (collectionIdentity) {
if (_.isString(collectionIdentity)) {
const ORM = this.getORM(collectionIdentity);
try {
const ORMFunctions = require(path.resolve(strapi.config.appPath, 'node_modules', 'strapi-' + ORM, 'lib', 'utils'));
if (!_.isUndefined(ORMFunctions)) {
return ORMFunctions.getCount(collectionIdentity);
}
} catch (err) {
return undefined;
}
}
return undefined;
},
/**
* Find relation nature with verbose
*/
getNature: (association, key, models, currentModelName) => {
try {
const types = {
current: '',
other: ''
};
if (_.isUndefined(models)) {
models = association.plugin ? strapi.plugins[association.plugin].models : strapi.models;
}
if ((association.hasOwnProperty('collection') && association.collection === '*') || (association.hasOwnProperty('model') && association.model === '*')) {
if (association.model) {
types.current = 'morphToD';
} else {
types.current = 'morphTo';
}
const flattenedPluginsModels = Object.keys(strapi.plugins).reduce((acc, current) => {
Object.keys(strapi.plugins[current].models).forEach((model) => {
acc[`${current}_${model}`] = strapi.plugins[current].models[model];
});
return acc;
}, {});
const allModels = _.merge({}, strapi.models, flattenedPluginsModels);
// We have to find if they are a model linked to this key
_.forIn(allModels, model => {
_.forIn(model.attributes, attribute => {
if (attribute.hasOwnProperty('via') && attribute.via === key && attribute.model === currentModelName) {
if (attribute.hasOwnProperty('collection')) {
types.other = 'collection';
// Break loop
return false;
} else if (attribute.hasOwnProperty('model')) {
types.other = 'model';
// Break loop
return false;
}
}
});
});
} else if (association.hasOwnProperty('via') && association.hasOwnProperty('collection')) {
const relatedAttribute = models[association.collection].attributes[association.via];
if (!relatedAttribute) {
throw new Error(`The attribute \`${association.via}\` is missing in the model ${_.upperFirst(association.collection)} ${association.plugin ? '(plugin - ' + association.plugin + ')' : '' }`);
}
types.current = 'collection';
if (relatedAttribute.hasOwnProperty('collection') && relatedAttribute.collection !== '*' && relatedAttribute.hasOwnProperty('via')) {
types.other = 'collection';
} else if (relatedAttribute.hasOwnProperty('collection') && relatedAttribute.collection !== '*' && !relatedAttribute.hasOwnProperty('via')) {
types.other = 'collectionD';
} else if (relatedAttribute.hasOwnProperty('model') && relatedAttribute.model !== '*') {
types.other = 'model';
} else if (relatedAttribute.hasOwnProperty('collection') || relatedAttribute.hasOwnProperty('model')) {
types.other = 'morphTo';
}
} else if (association.hasOwnProperty('via') && association.hasOwnProperty('model')) {
types.current = 'modelD';
// We have to find if they are a model linked to this key
const model = models[association.model];
const attribute = model.attributes[association.via];
if (attribute.hasOwnProperty('via') && attribute.via === key && attribute.hasOwnProperty('collection') && attribute.collection !== '*') {
types.other = 'collection';
} else if (attribute.hasOwnProperty('model') && attribute.model !== '*') {
types.other = 'model';
} else if (attribute.hasOwnProperty('collection') || attribute.hasOwnProperty('model')) {
types.other = 'morphTo';
}
} else if (association.hasOwnProperty('model')) {
types.current = 'model';
// We have to find if they are a model linked to this key
_.forIn(models, model => {
_.forIn(model.attributes, attribute => {
if (attribute.hasOwnProperty('via') && attribute.via === key) {
if (attribute.hasOwnProperty('collection')) {
types.other = 'collection';
// Break loop
return false;
} else if (attribute.hasOwnProperty('model')) {
types.other = 'modelD';
// Break loop
return false;
}
}
});
});
} else if (association.hasOwnProperty('collection')) {
types.current = 'collectionD';
// We have to find if they are a model linked to this key
_.forIn(models, model => {
_.forIn(model.attributes, attribute => {
if (attribute.hasOwnProperty('via') && attribute.via === key) {
if (attribute.hasOwnProperty('collection')) {
types.other = 'collection';
// Break loop
return false;
} else if (attribute.hasOwnProperty('model')) {
types.other = 'modelD';
// Break loop
return false;
}
}
});
});
}
if (types.current === 'collection' && types.other === 'morphTo') {
return {
nature: 'manyToManyMorph',
verbose: 'morphMany'
};
} else if (types.current === 'collection' && types.other === 'morphToD') {
return {
nature: 'manyToOneMorph',
verbose: 'morphMany'
};
} else if (types.current === 'modelD' && types.other === 'morphTo') {
return {
nature: 'oneToManyMorph',
verbose: 'morphOne'
};
} else if (types.current === 'modelD' && types.other === 'morphToD') {
return {
nature: 'oneToOneMorph',
verbose: 'morphOne'
};
} else if (types.current === 'morphToD' && types.other === 'collection') {
return {
nature: 'oneMorphToMany',
verbose: 'belongsToMorph'
};
} else if (types.current === 'morphToD' && types.other === 'model') {
return {
nature: 'oneMorphToOne',
verbose: 'belongsToMorph'
};
} else if (types.current === 'morphTo' && (types.other === 'model' || association.hasOwnProperty('model'))) {
return {
nature: 'manyMorphToOne',
verbose: 'belongsToManyMorph'
};
} else if (types.current === 'morphTo' && (types.other === 'collection' || association.hasOwnProperty('collection'))) {
return {
nature: 'manyMorphToMany',
verbose: 'belongsToManyMorph'
};
} else if (types.current === 'modelD' && types.other === 'model') {
return {
nature: 'oneToOne',
verbose: 'belongsTo'
};
} else if (types.current === 'model' && types.other === 'modelD') {
return {
nature: 'oneToOne',
verbose: 'hasOne'
};
} else if ((types.current === 'model' || types.current === 'modelD') && types.other === 'collection') {
return {
nature: 'manyToOne',
verbose: 'belongsTo'
};
} else if (types.current === 'modelD' && types.other === 'collection') {
return {
nature: 'oneToMany',
verbose: 'hasMany'
};
} else if (types.current === 'collection' && types.other === 'model') {
return {
nature: 'oneToMany',
verbose: 'hasMany'
};
} else if (types.current === 'collection' && types.other === 'collection') {
return {
nature: 'manyToMany',
verbose: 'belongsToMany'
};
} else if (types.current === 'collectionD' && types.other === 'collection' || types.current === 'collection' && types.other === 'collectionD') {
return {
nature: 'manyToMany',
verbose: 'belongsToMany'
};
} else if (types.current === 'collectionD' && types.other === '') {
return {
nature: 'manyWay',
verbose: 'belongsToMany'
};
} else if (types.current === 'model' && types.other === '') {
return {
nature: 'oneWay',
verbose: 'belongsTo'
};
}
return undefined;
} catch (e) {
strapi.log.error(`Something went wrong in the model \`${_.upperFirst(currentModelName)}\` with the attribute \`${key}\``);
strapi.log.error(e);
strapi.stop();
}
},
/**
* Return ORM used for this collection.
*/
getORM: collectionIdentity => {
return _.get(strapi.models, collectionIdentity.toLowerCase() + '.orm');
},
/**
* Define associations key to models
*/
defineAssociations: function (model, definition, association, key) {
try {
// Initialize associations object
if (definition.associations === undefined) {
definition.associations = [];
}
// Exclude non-relational attribute
if (!association.hasOwnProperty('collection') && !association.hasOwnProperty('model')) {
return undefined;
}
// Get relation nature
let details;
const globalName = association.model || association.collection || '';
const infos = this.getNature(association, key, undefined, model.toLowerCase());
if (globalName !== '*') {
details = association.plugin ?
_.get(strapi.plugins, `${association.plugin}.models.${globalName}.attributes.${association.via}`, {}):
_.get(strapi.models, `${globalName}.attributes.${association.via}`, {});
}
// Build associations object
if (association.hasOwnProperty('collection') && association.collection !== '*') {
definition.associations.push({
alias: key,
type: 'collection',
collection: association.collection,
via: association.via || undefined,
nature: infos.nature,
autoPopulate: _.get(association, 'autoPopulate', true),
dominant: details.dominant !== true,
plugin: association.plugin || undefined,
filter: details.filter,
});
} else if (association.hasOwnProperty('model') && association.model !== '*') {
definition.associations.push({
alias: key,
type: 'model',
model: association.model,
via: association.via || undefined,
nature: infos.nature,
autoPopulate: _.get(association, 'autoPopulate', true),
dominant: details.dominant !== true,
plugin: association.plugin || undefined,
filter: details.filter,
});
} else if (association.hasOwnProperty('collection') || association.hasOwnProperty('model')) {
const pluginsModels = Object.keys(strapi.plugins).reduce((acc, current) => {
Object.keys(strapi.plugins[current].models).forEach((entity) => {
Object.keys(strapi.plugins[current].models[entity].attributes).forEach((attribute) => {
const attr = strapi.plugins[current].models[entity].attributes[attribute];
if (
(attr.collection || attr.model || '').toLowerCase() === model.toLowerCase() &&
strapi.plugins[current].models[entity].globalId !== definition.globalId
) {
acc.push(strapi.plugins[current].models[entity].globalId);
}
});
});
return acc;
}, []);
const appModels = Object.keys(strapi.models).reduce((acc, entity) => {
Object.keys(strapi.models[entity].attributes).forEach((attribute) => {
const attr = strapi.models[entity].attributes[attribute];
if (
(attr.collection || attr.model || '').toLowerCase() === model.toLowerCase() &&
strapi.models[entity].globalId !== definition.globalId
) {
acc.push(strapi.models[entity].globalId);
}
});
return acc;
}, []);
const models = _.uniq(appModels.concat(pluginsModels));
definition.associations.push({
alias: key,
type: association.model ? 'model' : 'collection',
related: models,
nature: infos.nature,
autoPopulate: _.get(association, 'autoPopulate', true),
filter: association.filter,
});
}
} catch (e) {
strapi.log.error(`Something went wrong in the model \`${_.upperFirst(model)}\` with the attribute \`${key}\``);
strapi.log.error(e);
strapi.stop();
}
},
getVia: (attribute, association) => {
return _.findKey(strapi.models[association.model || association.collection].attributes, {via: attribute});
},
convertParams: (entity, params) => {
if (!entity) {
throw new Error('You can\'t call the convert params method without passing the model\'s name as a first argument.');
}
// Remove the source params (that can be sent from the ctm plugin) since it is not a filter
if (params.source) {
delete params.source;
}
const model = entity.toLowerCase();
const models = _.assign(_.clone(strapi.models), Object.keys(strapi.plugins).reduce((acc, current) => {
_.assign(acc, _.get(strapi.plugins[current], ['models'], {}));
return acc;
}, {}));
if (!models.hasOwnProperty(model)) {
return this.log.error(`The model ${model} can't be found.`);
}
const client = models[model].client;
const connector = models[model].orm;
if (!connector) {
throw new Error(`Impossible to determine the ORM used for the model ${model}.`);
}
const convertor = strapi.hook[connector].load().getQueryParams;
const convertParams = {
where: {},
sort: '',
start: 0,
limit: 100
};
_.forEach(params, (value, key) => {
let result;
let formattedValue;
try {
formattedValue = !_.isNaN(_.toNumber(value)) ? _.toNumber(value) : value;
} catch(err) {
formattedValue = value;
}
if (_.includes(['_start', '_limit'], key)) {
result = convertor(formattedValue, key);
} else if (key === '_sort') {
const [attr, order = 'ASC'] = formattedValue.split(':');
result = convertor(order, key, attr);
} else {
const suffix = key.split('_');
// Mysql stores boolean as 1 or 0
if (client === 'mysql' && _.get(models, [model, 'attributes', suffix, 'type']) === 'boolean') {
formattedValue = value === 'true' ? '1' : '0';
}
let type;
if (_.includes(['ne', 'lt', 'gt', 'lte', 'gte', 'contains', 'containss', 'in'], _.last(suffix))) {
type = `_${_.last(suffix)}`;
key = _.dropRight(suffix).join('_');
} else {
type = '=';
}
result = convertor(formattedValue, type, key);
}
_.set(convertParams, result.key, result.value);
});
return convertParams;
}
};