416 lines
15 KiB
JavaScript
416 lines
15 KiB
JavaScript
'use strict'
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// Router
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const express = require('express')
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let router = express.Router()
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// Connection
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const connection = require('../database/connection')
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const db = connection.db
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// Repository
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const SpellReposity = require('../repositories/spell-repository');
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const Spells = new SpellReposity();
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const regexInt = RegExp(/^[1-9]\d*$/)
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// ROUTES
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// GET ALL ------------------
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const getSpells = () => {
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return Spells.getAll()
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.catch(err => {
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console.log(err)
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throw err
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})
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}
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router.get('/', async (req, res) => {
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getSpells()
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.then(v => {
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res.setHeader('Content-Type', 'application/json;charset=utf-8')
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res.end(JSON.stringify(v))
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})
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.catch(err => {
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res.status(err.code).send(JSON.stringify(
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{
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"error": err.message,
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"code": err.code
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})
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)
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})
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})
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// GET ONE ------------------
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const getSpell = (id) => {
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return Spells.getOne(id)
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.catch(err => {
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console.log(err)
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throw err
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})
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}
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router.get('/:id/', async (req, res) => {
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getSpell(req.params.id)
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.then(v => {
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res.setHeader('Content-Type', 'application/json;charset=utf-8')
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res.end(JSON.stringify(v))
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})
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.catch(err => {
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res.status(err.code).send(JSON.stringify(
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{
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"error": err.message,
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"code": err.code
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})
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)
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})
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})
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// CREATE ONE ------------------
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const addSpell = (s) => {
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return Spells.addOne(s)
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.catch(err => {
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console.log(err)
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})
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}
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router.post('/', async (req, res) => {
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addSpell(req.body)
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.then(v => {
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res.setHeader('Content-Type', 'application/json;charset=utf-8')
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res.send(JSON.stringify(v))
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})
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.catch(err => {
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res.status(err.code).send(JSON.stringify(
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{
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"error": err.message,
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"code": err.code
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})
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)
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})
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})
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// UPDATE ONE ------------------
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const updateSpell = (s, id) => {
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return new Promise( async (resolve, reject) => {
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// Check if spell exists
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let old_spell = await getSpell(id)
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.catch(err => {
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reject(err)
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})
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// Checks if body exists and if the model fits, and throws errors if it doesn't
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if (isEmptyObject(s)) {
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reject(new HttpError(403, "Error: Spell cannot be nothing !"))
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} else if (!v.validate(s, SpellModel).valid) {
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reject(new HttpError(403, "Error: Schema is not valid - " + v.validate(s, SpellModel).errors))
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} else if (isXSSAttempt(s.name) || isXSSAttempt(s.description) || isXSSAttempt(s.cost)) {
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reject(new HttpError(403, 'Injection attempt detected, aborting the request.'))
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} else {
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let updateSchoolsData = () => {
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return new Promise((resolve, reject) => {
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if (s.schools !== null) {
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if (s.schools.length > 0) {
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let delete_schools_query =
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`DELETE FROM spells_schools WHERE id_spell = ${old_spell.id}`
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db.query(delete_schools_query, async (err, result) => {
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if (err) {
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reject(new HttpError(500, 'Database error - Spell school deletion failed.'))
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}
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})
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for (let i = 0; i < s.schools.length; i++) {
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if (!regexInt.test(s.schools[i].id)) {
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reject(new HttpError(403, 'Query error - School ID should be an integer !'))
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} else {}
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let update_schools_query = `INSERT INTO spells_schools (id_spell, id_school) VALUES (${old_spell.id}, ${s.schools[i].id})`
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db.query(update_schools_query, async (err, result) => {
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if (err) {
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reject(new HttpError(404, 'Database error - No schools matching this ID'))
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} else {
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console.log(`Updated association school ID ${s.schools[i].id} to spell ID ${old_spell.id}`)
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resolve()
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}
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})
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}
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} else {
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resolve()
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}
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} else {
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resolve()
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}
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})
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}
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let updateVariablesData = () => {
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return new Promise((resolve, reject) => {
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if (s.variables !== null) {
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if (s.variables.length > 0) {
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let delete_variables_query =
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`DELETE FROM spells_variables WHERE id_spell = ${old_spell.id}`
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db.query(delete_variables_query, async (err, result) => {
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if (err) {
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reject(new HttpError(500, 'Database error - Spell variable deletion failed.'))
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}
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})
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for (let i = 0; i < s.variables.length; i++) {
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if (!regexInt.test(s.variables[i].id)) {
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reject(new HttpError(403, 'Query error - Variable ID should be an integer !'))
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}
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let update_variables_query = `INSERT INTO spells_variables (id_spell, id_variable) VALUES (${old_spell.id}, ${s.variables[i].id})`
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db.query(update_variables_query, async (err, result) => {
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if (err) {
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reject(new HttpError(404, 'Database error - No variables matching this ID'))
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} else {
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console.log(`Updated variable ID "${s.variables[i].id}" to spell ID ${old_spell.id}`)
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resolve()
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}
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})
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}
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} else {
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resolve()
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}
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} else {
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resolve()
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}
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})
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}
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let updateIngredientsData = () => {
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return new Promise((resolve, reject) => {
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if (s.ingredients !== null) {
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if (s.ingredients.length > 0) {
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let delete_ingredients_query =
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`DELETE FROM spells_ingredients WHERE id_spell = ${old_spell.id}`
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db.query(delete_ingredients_query, async (err, result) => {
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if (err) {
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reject(new HttpError(500, 'Database error - Spell ingredients deletion failed.'))
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}
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console.log(result)
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})
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// Loops over ingredients query
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for (let i = 0; i < s.ingredients.length; i++) {
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if (!regexInt.test(s.ingredients[i].id)) {
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reject(new HttpError(403, 'Query error - Ingredient ID should be an integer !'))
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}
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let update_ingredients_query = `INSERT INTO spells_ingredients (id_spell, id_ingredient) VALUES (${old_spell.id}, ${s.ingredients[i].id})`
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db.query(update_ingredients_query, async (err, result) => {
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if (err) {
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reject(new HttpError(404, 'Database error - No ingredients matching this ID'))
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} else {
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console.log(`Updated ingredient ID "${s.ingredients[i].id}" to spell ID ${old_spell.id}`)
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resolve()
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}
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})
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}
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} else {
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resolve()
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}
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} else {
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resolve()
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}
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})
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}
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let updateSpellData = () => {
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return new Promise((resolve, reject) => {
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let update_spell_query =
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'UPDATE spell SET '
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if (s.name !== null) { update_spell_query += `name = "${s.name}" ` }
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if (s.description !== null) { update_spell_query += `, description = "${s.description}" ` }
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if (s.level !== null) { update_spell_query += `, level = ${s.level} ` }
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if (s.charge !== null) { update_spell_query += `, charge = ${s.charge} ` }
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if (s.cost !== null) { update_spell_query += `, cost = "${s.cost}" ` }
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if (s.is_ritual !== null) { update_spell_query += `, is_ritual = ${s.is_ritual} ` }
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update_spell_query += ` WHERE id = ${db.escape(id)}`
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db.query(update_spell_query, async (err, result) => {
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if (err) {
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reject(new HttpError(500, 'Database error - Spell update failed'))
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} else {
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console.log(`Updated "${s.name}" on ID ${old_spell.id}, affecting ${result.affectedRows} row(s)`)
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resolve()
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}
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})
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})
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}
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const sub_promises = [
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updateSchoolsData(),
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updateVariablesData(),
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updateIngredientsData()
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]
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Promise.all(sub_promises)
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.then(() => {
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updateSpellData()
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})
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.then(() => {
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resolve(getSpell(old_spell.id))
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})
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.catch(err => {
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reject(err)
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})
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}
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})
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.catch(err => {
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throw err
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})
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}
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router.put('/:id/', async (req, res) => {
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updateSpell(req.body, req.params.id)
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.then(v => {
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res.setHeader('Content-Type', 'application/json;charset=utf-8')
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res.send(JSON.stringify(v))
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})
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.catch(err => {
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res.status(err.code).send(JSON.stringify(
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{
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"error": err.message,
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"code": err.code
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})
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)
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})
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})
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// DELETE ONE ------------------
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const deleteSpell = (id) => {
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return new Promise(async (resolve, reject) => {
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// Check if spell exists
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let old_spell = await getSpell(id)
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.catch(() => {
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reject((new HttpError(404, 'No spell matching this ID')))
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})
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let deleteSchoolsData = () => {
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return new Promise((resolve, reject) => {
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let delete_schools_query = `DELETE FROM spells_schools WHERE id_spell = ${db.escape(id)}`
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db.query(delete_schools_query, async (err, result) => {
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if (err) {
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reject(new HttpError(500, 'Spell schools deletion failed'))
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} else {
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console.log(`Deleted schools associated to spell ID ${db.escape(id)}`)
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resolve()
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}
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})
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})
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}
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let deleteVariablesData = () => {
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return new Promise((resolve, reject) => {
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let delete_variables_query = `DELETE FROM spells_variables WHERE id_spell = ${db.escape(id)}`
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db.query(delete_variables_query, async (err, result) => {
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if (err) {
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console.log(err)
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reject(new HttpError(500, 'Spell variables deletion failed'))
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} else {
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console.log(`Deleted variables associated to spell ID ${db.escape(id)}`)
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resolve()
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}
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})
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})
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}
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let deleteIngredientsData = () => {
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return new Promise((resolve, reject) => {
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let delete_ingredients_query = `DELETE FROM spells_ingredients WHERE id_spell = ${db.escape(id)}`
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db.query(delete_ingredients_query, async (err, result) => {
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if (err) {
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console.log(err)
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reject(new HttpError(500, 'Spell ingredients deletion failed'))
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} else {
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console.log(`Deleted ingredients associated to spell ID ${db.escape(id)}`)
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resolve()
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}
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})
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})
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}
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let deleteSpellData = () => {
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return new Promise((resolve, reject) => {
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let delete_spell_query = `DELETE FROM spell WHERE id = ${db.escape(id)}`
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db.query(delete_spell_query, async (err, result) => {
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if (err) {
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console.log(err)
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reject(new HttpError(500, 'Spell deletion failed'))
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} else {
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console.log(`Deleted spell ID ${db.escape(id)}, affecting ${result.affectedRows} rows`)
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resolve()
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}
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})
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})
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}
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const promises = [
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deleteSchoolsData(),
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deleteVariablesData(),
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deleteIngredientsData()
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]
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Promise.all(promises)
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.then(() => {
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deleteSpellData()
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let response = {
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message: `Spell ID ${id} was successfully deleted.`
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}
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resolve(response)
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})
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.catch(err => {
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reject(err)
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})
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})
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.catch(err => {
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throw err
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})
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}
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router.delete('/:id/', async (req, res) => {
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deleteSpell(req.params.id)
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.then(v => {
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res.setHeader('Content-Type', 'application/json;charset=utf-8')
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res.send(JSON.stringify(v))
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})
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.catch(err => {
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res.status(err.code).send(JSON.stringify(
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{
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"error": err.message,
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"code": err.code
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})
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)
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})
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})
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// Param validation for single spell
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// (check if id is int) (could be refactored)
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router.param('id', (req, res, next, id) => {
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try {
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if (regexInt.test(id)) {
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next()
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} else {
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throw new HttpError(403, 'Provided ID must be an integer and not zero')
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}
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} catch (err) {
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res.status(err.code).send(JSON.stringify(
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{
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"error": err.message,
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"code": err.code
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})
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)
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}
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})
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module.exports = router
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