split api logic into files; add com package with errors & validations…

…; apply com in app and api b00tc4mp#136
Eduardolans · Jun 20, 2024 · 3b98986 · 3b98986
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diff --git a/staff/eduardo-sanchez/socialcode/api/.gitignore b/staff/eduardo-sanchez/socialcode/api/.gitignore
@@ -0,0 +1 @@
+node_modules
diff --git a/staff/eduardo-sanchez/socialcode/api/data/index.js b/staff/eduardo-sanchez/socialcode/api/data/index.js
@@ -1,5 +1,5 @@
 import fs from 'fs'
-import { SystemError } from '../errors.js'
+import { SystemError } from 'com/errors.js'
 
 const data = {}
 

diff --git a/staff/eduardo-sanchez/socialcode/api/data/posts.json b/staff/eduardo-sanchez/socialcode/api/data/posts.json
@@ -1 +1 @@
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diff --git a/staff/eduardo-sanchez/socialcode/api/data/users.json b/staff/eduardo-sanchez/socialcode/api/data/users.json
@@ -1 +1 @@
-[{"name":"Pepito","surname":"Grillo","email":"[email protected]","username":"pepitogrillo","password":"123123123"},{"name":"Peter","surname":"Pan","email":"[email protected]","username":"peterpan","password":"123123123"},{"name":"Wendy","surname":"Darling","email":"[email protected]","username":"WendyD","password":"Hola1234"},{"name":"manolo","surname":"cabezabolo","email":"[email protected]","username":"ManoloC","password":"Hola1234"},{"name":"Pablo","surname":"Picasso","email":"[email protected]","username":"PabloP","password":"Hola1234"},{"name":"Man","surname":"Zana","email":"[email protected]","username":"manzana","password":"123123123"},{"name":"Da","surname":"Na","email":"[email protected]","username":"dana","password":"Hola1234"}]
+[{"name":"Pepito","surname":"Grillo","email":"[email protected]","username":"pepitogrillo","password":"123123123"},{"name":"Peter","surname":"Pan","email":"[email protected]","username":"peterpan","password":"123123123"},{"name":"Wendy","surname":"Darling","email":"[email protected]","username":"WendyD","password":"Hola1234"},{"name":"manolo","surname":"cabezabolo","email":"[email protected]","username":"ManoloC","password":"Hola1234"},{"name":"Pablo","surname":"Picasso","email":"[email protected]","username":"PabloP","password":"Hola1234"},{"name":"Man","surname":"Zana","email":"[email protected]","username":"manzana","password":"123123123"},{"name":"Da","surname":"Na","email":"[email protected]","username":"dana","password":"Hola1234"},{"name":"Ba","surname":"Nana","email":"[email protected]","username":"banana","password":"123123123"}]
diff --git a/staff/eduardo-sanchez/socialcode/api/index.js b/staff/eduardo-sanchez/socialcode/api/index.js
@@ -1,10 +1,8 @@
 import express from 'express'
 import logic from './logic/index.js'
 import cors from 'cors'
-// import jwt, {JsonWebTokenError} from 'jsonwebtoken'
 import jwt from 'jsonwebtoken'
-
-import { SystemError } from './errors.js'
+import { SystemError } from 'com/errors.js'
 
 const { JsonWebTokenError, TokenExpiredError } = jwt
 

diff --git a/staff/eduardo-sanchez/socialcode/api/logic/authenticateUser.js b/staff/eduardo-sanchez/socialcode/api/logic/authenticateUser.js
@@ -0,0 +1,33 @@
+import data from '../data/index.js'
+import { MatchError } from 'com/errors.js'
+import validate from 'com/validate.js'
+
+const authenticateUser = (username, password, callback) => {
+    validate.username(username)
+    validate.password(password)
+    validate.callback(callback)
+
+    data.findUser(user => user.username === username, (error, user) => {
+        if (error) {
+            callback(error)
+
+            return
+        }
+
+        if (!user) {
+            callback(new MatchError('user not found'))
+
+            return
+        }
+
+        if (user.password !== password) {
+            callback(new MatchError('wrong password'))
+
+            return
+        }
+
+        callback(null)
+    })
+}
+
+export default authenticateUser
diff --git a/staff/eduardo-sanchez/socialcode/api/logic/authenticateUser.test.js b/staff/eduardo-sanchez/socialcode/api/logic/authenticateUser.test.js
@@ -0,0 +1,15 @@
+import logic from './index.js'
+
+try {
+    logic.authenticateUser('pepitogrillo', '123123123', error => {
+        if (error) {
+            console.error(error)
+
+            return
+        }
+
+        console.log('user authenticated')
+    })
+} catch (error) {
+    console.error(error)
+} 
diff --git a/staff/eduardo-sanchez/socialcode/api/logic/createPost.js b/staff/eduardo-sanchez/socialcode/api/logic/createPost.js
@@ -0,0 +1,44 @@
+import data from '../data/index.js'
+import { MatchError } from 'com/errors.js'
+import validate from 'com/validate.js'
+
+const createPost = (username, title, image, description, callback) => {
+    validate.text(title, 'title', 50)
+    validate.url(image, 'image')
+    validate.text(description, 'description', 200)
+    validate.callback(callback)
+
+    data.findUser(user => user.username === username, (error, user) => {
+        if (error) {
+            callback(error)
+
+            return
+        }
+
+        if (!user) {
+            callback(new MatchError('user not found'))
+
+            return
+        }
+
+        const post = {
+            author: username,
+            title,
+            image,
+            description,
+            date: new Date().toISOString()
+        }
+
+        data.insertPost(post, error => {
+            if (error) {
+                callback(error)
+
+                return
+            }
+
+            callback(null)
+        })
+    })
+}
+
+export default createPost