modules/core/server/models/content/querybuilder.js
/* eslint no-underscore-dangle:0 */
/* jslint node:true, esnext:true */
/* globals LACKEY_PATH */
'use strict';
/*
Copyright 2016 Enigma Marketing Services Limited
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
const
SCli = require(LACKEY_PATH).cli,
INCLUDE_QUERY = `
id IN (
SELECT id FROM content AS con WHERE $1
)`,
INCLUDE_QUERY_MEDIA = `
id IN (
SELECT id FROM media AS con WHERE $1
)`,
INCLUDE_SUB = `
(
SELECT count(*) FROM (
SELECT ttt."taxonomyId" FROM "content" AS c
JOIN "templateToTaxonomy" AS ttt
ON ttt."templateId" = c."templateId"
AND c.id = con.id
UNION
SELECT ctt."taxonomyId" FROM "contentToTaxonomy" AS ctt
WHERE ctt."contentId" = con.id
) AS FOO
WHERE "taxonomyId" IN ($1)) > 0
`,
INCLUDE_SUB_MEDIA = `
(
SELECT count(*) FROM (
SELECT ctt."taxonomyId" FROM "mediaToTaxonomy" AS ctt
WHERE ctt."mediaId" = con.id
) AS FOO
WHERE "taxonomyId" IN ($1)) > 0
`,
EXCLUDE_QUERY = `
id NOT IN (
SELECT id FROM content WHERE "templateId" IN (
SELECT "templateId" FROM "templateToTaxonomy" where "taxonomyId" IN ($1)
)
UNION
SELECT "contentId" FROM "contentToTaxonomy" WHERE "taxonomyId" IN ($1)
)`,
EXCLUDE_QUERY_MEDIA = `
id NOT IN (
SELECT "mediaId" FROM "mediaToTaxonomy" WHERE "taxonomyId" IN ($1)
)`,
EXCLUDE_QUERY_BUT = `
id NOT IN (
SELECT id FROM content WHERE "templateId" IN (
SELECT "templateId" FROM "templateToTaxonomy" where "taxonomyId" IN ($1)
)
UNION
SELECT "contentId" FROM "contentToTaxonomy" WHERE "taxonomyId" IN ($1)
EXCEPT
SELECT id FROM content WHERE "templateId" IN (
SELECT "templateId" FROM "templateToTaxonomy" where "taxonomyId" IN ($2)
)
EXCEPT
SELECT "contentId" FROM "contentToTaxonomy" WHERE "taxonomyId" IN ($2)
)`,
EXCLUDE_QUERY_BUT_MEDIA = `
id NOT IN (
SELECT "mediaId" FROM "mediaToTaxonomy" WHERE "taxonomyId" IN ($1)
EXCEPT
SELECT "mediaId" FROM "mediaToTaxonomy" WHERE "taxonomyId" IN ($2)
)`,
EXCLUDE_IDS_QUERY = `
id NOT IN ($1)
`,
REQUIRE_AUTHOR_QUERY = `
"authorId" IN ($1)
`,
RESTRICT_DATE = `
"publishAt" <= NOW()
`,
TEXT_SEARCH = `
(
LOWER(plaintext::TEXT) like LOWER('%$1%')
OR
LOWER(name) like LOWER('%$1%')
OR
LOWER(route) like LOWER('%$1%')
$2
)`,
TAXONIMIES_FREE_TEXT_SEARCH = `
OR
id IN (
SELECT c."contentId"
FROM "contentToTaxonomy" c
JOIN "taxonomy" t ON
t.id = c."taxonomyId"
AND (LOWER(t.name) LIKE LOWER('%$1%') OR LOWER(t.label) LIKE LOWER('%$1%'))
JOIN "taxonomyType" tt ON
tt.id = t."taxonomyTypeId"
AND tt.name = '$2'
)
OR
"templateId" IN (
SELECT c."templateId"
FROM "templateToTaxonomy" c
JOIN "taxonomy" t ON
t.id = c."taxonomyId"
AND (LOWER(t.name) LIKE LOWER('%$1%') OR LOWER(t.label) LIKE LOWER('%$1%'))
JOIN "taxonomyType" tt ON
tt.id = t."taxonomyTypeId"
AND tt.name = '$2'
)`;
module.exports = require(LACKEY_PATH)
.datasources.get('knex', 'default')
.then((knex) => {
class ContentQueryBuilder {
constructor() {
this._wheres = [];
this._type = 'content';
}
type(newType) {
this._type = newType;
}
withTaxonomies(taxonomies) {
if (taxonomies && Array.isArray(taxonomies) && taxonomies.length) {
let output = [],
self = this;
taxonomies.forEach((group) => {
if (group && Array.isArray(group) && group.length) {
output.push((self._type === 'media' ? INCLUDE_SUB_MEDIA : INCLUDE_SUB).replace(/\$1/g, group.join(', ')));
}
});
if (output.length) {
this._wheres.push((self._type === 'media' ? INCLUDE_QUERY_MEDIA : INCLUDE_QUERY).replace(/\$1/g, output.join(' AND ')));
} else {
this._wheres.push((self._type === 'media' ? INCLUDE_QUERY_MEDIA : INCLUDE_QUERY).replace(/\$1/g, 'TRUE'));
}
}
}
withoutTaxonomies(taxonomies, butExceptThose) {
if (butExceptThose && butExceptThose.length) {
return this.whereIn((this._type === 'media' ? EXCLUDE_QUERY_BUT_MEDIA : EXCLUDE_QUERY_BUT), taxonomies, butExceptThose);
}
this.whereIn((this._type === 'media' ? EXCLUDE_QUERY_MEDIA : EXCLUDE_QUERY), taxonomies);
}
withoutIds(ids) {
if (!ids) {
return;
}
this.whereIn(EXCLUDE_IDS_QUERY, (Array.isArray(ids) ? ids : [ids]));
}
withAuthor(ids) {
if (!ids) {
return;
}
this.whereIn(REQUIRE_AUTHOR_QUERY, (Array.isArray(ids) ? ids : [ids]).map((object) => object.id ? object.id : object));
}
whereIn(template, values, values2) {
let q;
if (values && Array.isArray(values) && values.length) {
q = template.replace(/\$1/g, values.join(', '));
}
if (values2 && Array.isArray(values2) && values2.length) {
if (!q) {
q = template.replace(/\$1/g, [0].join(', '));
}
q = q.replace(/\$2/g, values2.join(', '));
}
if (q) {
this._wheres.push(q);
}
}
restrictDate() {
this._wheres.push(RESTRICT_DATE);
}
withId(id) {
this._wheres.push('"id" = ' + id);
}
excludeDrafts() {
this._wheres.push('state = \'published\'');
}
withTextSearch(text, freeTextTax) {
let
taxes = '',
value = text;
if (freeTextTax && freeTextTax.length) {
freeTextTax
.forEach(tax => {
taxes += TAXONIMIES_FREE_TEXT_SEARCH.replace(/\$1/g, value).replace(/\$2/g, tax);
});
}
this._wheres.push(TEXT_SEARCH.replace(/\$1/g, value).replace('$2', taxes));
}
/**
* [[Description]]
* @param {object} user [[Description]]
* @param {[[Type]]} page [[Description]]
* @param {[[Type]]} limit [[Description]]
* @param {[[Type]]} order [[Description]]
* @returns {object} [[Description]]
*/
run(user, page, limit, order) {
let self = this,
num_limit = limit || 10,
orders = [];
let countQuery = 'SELECT count(*) as "count" FROM ' + self._type,
query = 'SELECT ' + (self._type === 'media' ? 'source' : 'route') + ' FROM ' + self._type;
if (self._type === 'media') {
self._wheres.push('public."MediaACL"(' + (user && user.id ? user.id : 0) + '::bigint, id::bigint)');
} else {
self._wheres.push('public."ContentACL"(' + (user && user.id ? user.id : 0) + '::bigint, id::bigint)');
}
query += ' WHERE ' + self._wheres.join(' AND ');
countQuery += ' WHERE ' + self._wheres.join(' AND ');
if (order) {
Object.keys(order).forEach(function (key) {
orders.push('"' + key + '" ' + order[key]);
});
query += ' ORDER BY ' + orders.join(', ') + ' ';
} else {
query += ' ORDER BY "createdAt" DESC ';
}
if (page > 0) {
query += ' OFFSET ' + page * num_limit + ' ';
}
query += ' LIMIT ' + num_limit;
return Promise
.all([
SCli.sql(knex.raw(countQuery)).then((r) => r.rows),
SCli.sql(knex.raw(query)).then((r) => r.rows)
])
.then((results) => {
let count = +results[0][0].count;
return {
rows: results[1].map((r) => {
return r.route;
}),
paging: {
count: count,
page: +page,
limit: num_limit,
pages: Math.ceil(count / num_limit),
pageFormatted: 1 + (+page)
}
};
});
}
}
return ContentQueryBuilder;
});