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add jsfunc #5

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c60db5b
add jsfunc
Seal98 Mar 19, 2018
400580d
js changes
Seal98 Mar 20, 2018
bce0860
changes for remove function
Seal98 Mar 20, 2018
2d63835
functional changes2
Seal98 Mar 25, 2018
a5953b4
changes for filter and etc
Seal98 Mar 26, 2018
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341 changes: 341 additions & 0 deletions task4/js/script.js
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Original file line number Diff line number Diff line change
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(function () {
var photoPosts = [
{
id: '1',
description: 'NARUTO best anime',
createdAt: new Date('2014-12-12T12:12:12'),
author: 'Misha',
photoLink: 'img/naruto.png',
postVisibility: true,
hashTags: ["#NARUTOBESTANIME"],
likes: ["Alex"]
},

{
id: '2',
description: 'AVATAR best anime',
createdAt: new Date('2015-12-12T12:12:12'),
author: 'Misha',
photoLink: 'img/avatar.png',
postVisibility: true,
hashTags: ["#AVATARBESTANIME"],
likes: ["Egor"]
}, {
id: '3',
description: 'SHAMAN-KING best anime',
createdAt: new Date('2012-12-12T12:12:12'),
author: 'Misha2019',
photoLink: 'img/sham.png',
postVisibility: true,
hashTags: ["#SHAMANKINGBESTANIME"],
likes: ["Pomeedorka"]
},
{
id: '4',
description: 'NARURO best anime',
createdAt: new Date('2013-12-12T12:12:12'),
author: 'Misha20',
photoLink: 'img/naruto.png',
postVisibility: true,
hashTags: ["#NARUTOBESTANIME"],
likes: ["Jora"]
},
{
id: '5',
description: 'AVATAR best anime',
createdAt: new Date('2018-12-12T12:12:12'),
author: 'Misha',
photoLink: 'img/avatar.png',
postVisibility: true,
hashTags: ["#AVATARBESTANIME"],
likes: ["Jaga"]
},
{
id: '6',
description: 'SHAMAN-KING best anime',
createdAt: new Date('2017-12-12T12:12:12'),
author: 'Misha22',
photoLink: 'img/sham.png',
postVisibility: true,
hashTags: ["#SHAMANKINGBESTANIME"],
likes: ["Jaguar"]
},
{
id: '7',
description: 'NARUTO best anime',
createdAt: new Date('2016-12-12T12:12:12'),
author: 'Misha23',
photoLink: 'img/naruto.png',
postVisibility: true,
hashTags: ["#NARUTOBESTANIME"],
likes: ["Jagorka"]
},
{
id: '8',
description: 'AVATAR best anime',
createdAt: new Date('2091-12-12T12:12:12'),
author: 'Misha',
photoLink: 'img/avatar.png',
postVisibility: true,
hashTags: ["#AVATARBESTANIME"],
likes: ["Igor"]
},
{
id: '9',
description: 'SHAMAN-KING best anime',
createdAt: new Date('2020-12-12T12:12:12'),
author: 'Misha',
photoLink: 'img/sham.png',
postVisibility: true,
hashTags: ["#SHAMANKINGBESTANIME"],
likes: ["Egr"]
},

];
var postForFilter = {
author: 'Misha',
hashTags: ["#AVATARBESTANIME"]
};
console.log("\n\nСортировка и фильтрация постов. id найденных: \n");
var sortedArrOfPosts = getPhotoPosts(1, 2, postForFilter);
for (var i = 0; i < sortedArrOfPosts.length; i++) {
console.log("id: " + sortedArrOfPosts[i].id);
}
var postOfId = getPhotoPost("5");
console.log("Пост по id: " + postOfId.createdAt);
var postForVal = {
id: '15',
description: 'NARUTO best anime (one more post)',
createdAt: new Date('2012-12-12T12:12:12'),
author: 'Misha2018',
photoLink: 'img/naruto.png',
postVisibility: true,
hashTags: ["#JUSTNARUTO"],
likes: ["Maladec"]
};
console.log("Проверка поста на валидность: " + validatePhotoPost(postForVal));
var newPost = {
id: '10',
description: 'NARUTO best anime (one more post)',
createdAt: new Date('2012-12-12T12:12:12'),
author: 'Misha2018',
photoLink: 'img/naruto.png',
postVisibility: true,
hashTags: ["#JUSTNARUTO"],
likes: ["Maladec"]
};
console.log("Добавление нового поста с предварительной проверкой: " + addPhotoPost(newPost));
var postForEditing = {
description: 'NARUTO best anime (one more Naruto)',
createdAt: new Date('2007-12-12T12:12:12')
}
console.log("Изменение поста по id: " + editPhotoPost("1", postForEditing));

for (var i = 0; i < photoPosts.length; i++) {
if (photoPosts[i].postVisibility) {
console.log("id: " + photoPosts[i].id + "\n");
console.log("description: " + photoPosts[i].description + "\n");
console.log("createdAt: " + photoPosts[i].createdAt + "\n");
console.log("author: " + photoPosts[i].author + "\n");
console.log("photoLink: " + photoPosts[i].photoLink + "\n");
console.log("hashTags:\n");
for (var j = 0; j < photoPosts[i].hashTags.length; j++) {
console.log(" " + photoPosts[i].hashTags[j] + "\n");
}
console.log("likes:\n");
for (var j = 0; j < photoPosts[i].likes.length; j++) {
console.log(" " + photoPosts[i].likes[j] + "\n");
}
console.log("\n");
}
}
console.log("--------------------------------\n\n");
console.log("Удаление поста по id: " + removePhotoPost("5"));

for (var i = 0; i < photoPosts.length; i++) {
if (photoPosts[i].postVisibility) {
console.log("id: " + photoPosts[i].id + "\n");
console.log("description: " + photoPosts[i].description + "\n");
console.log("createdAt: " + photoPosts[i].createdAt + "\n");
console.log("author: " + photoPosts[i].author + "\n");
console.log("photoLink: " + photoPosts[i].photoLink + "\n");
console.log("hashTags:\n");
for (var j = 0; j < photoPosts[i].hashTags.length; j++) {
console.log(" " + photoPosts[i].hashTags[j] + "\n");
}
console.log("likes:\n");
for (var j = 0; j < photoPosts[i].likes.length; j++) {
console.log(" " + photoPosts[i].likes[j] + "\n");
}
console.log("\n");
}
}

function getPhotoPosts(postStart, number, filterConfig) {
if (postStart + number > photoPosts.length || postStart < 0) {
console.log("Нельзя вывести столько постов. Промежуток вывода не совпадает с количеством постов");
return null;
}
else {
var sortedArrOfPosts = photoPosts;
if (filterConfig.author) {
sortedArrOfPosts = sortedArrOfPosts.filter(function (post) {
return post.author === filterConfig.author;
});
}
if (filterConfig.createdAt) {
sortedArrOfPosts = sortedArrOfPosts.filter(function (post) {
return post.createdAt === filterConfig.createdAt;
});
}
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@ala-n ala-n Mar 26, 2018

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Еще фильтрация по хэштегам...

if (filterConfig.hashTags) {
sortedArrOfPosts = sortedArrOfPosts.filter(function (post) {
for (let hashTagsOfPost of post.hashTags) {
for (let hashTagsOfFilter of [].concat(filterConfig.hashTags)) {
if (hashTagsOfPost === hashTagsOfFilter) {
return true;
}
}
}
});
}
sortedArrOfPosts = sortedArrOfPosts.sort(dateComparator).slice(postStart, number + postStart);

return sortedArrOfPosts;
}
}

function dateComparator(post1, post2) {
return post1.createdAt - post2.createdAt;
}

function getPhotoPost(idOfPost) {
return photoPosts.find(function findPost(post) {
return post.id === idOfPost;
});
}

function validatePhotoPost(postForCheck) {
if (typeof postForCheck.id !== "string" || postForCheck.id === "") {
console.log("Пустое поле id");
return false;
}

if (photoPosts.some(function checkUniqueness(post) {
return postForCheck.id === post.id;
})) {
console.log("id не уникальный");
return false;
}

if (typeof postForCheck.description !== "string" || postForCheck.description.length > 200 || postForCheck.description === "") {
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@ala-n ala-n Mar 26, 2018

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return validateForEditing(postForCheck);

console.log("Неверный description");
return false;
}
if (typeof postForCheck.author !== "string" || postForCheck.author === "") {
console.log("Поле author пустое");
return false;
}
if (!(postForCheck.createdAt instanceof Date) || ((postForCheck.createdAt).toString() === 'Invalid Date')) {
console.log("Поле даты создания не введено, либо имеет неправильную структуру");
return false;
}
if (typeof postForCheck.photoLink !== "string" || postForCheck.photoLink === "") {
console.log("Поле photoLink пустое");
return false;
}
if (!(postForCheck.hashTags instanceof Array)) {
console.log("Структура поля hashTags не верна");
return false;
}
return true;
}

function validateForEditing(postForCheck) {
if (typeof postForCheck.description !== "string" || postForCheck.description.length > 200 || postForCheck.description === "") {
console.log("Неверный description");

return false;
}
if (typeof postForCheck.author !== "string" || postForCheck.author === "") {
console.log("Поле author пустое");
return false;
}
if (!(postForCheck.createdAt instanceof Date) || ((postForCheck.createdAt).toString() === 'Invalid Date')) {
console.log("Поле даты создания не введено, либо имеет неправильную структуру");
return false;
}
if (typeof postForCheck.photoLink !== "string" || postForCheck.photoLink === "") {
console.log("Поле photoLink пустое");
return false;
}
if (!(postForCheck.hashTags instanceof Array)) {
console.log("Структура поля hashTags не верна");
return false;
}
return true;
}

function addPhotoPost(newPost) {
if (!validatePhotoPost(newPost)) {
return false;
}
else {
photoPosts.push(newPost);
return true;
}
}

function editPhotoPost(idForEd, postForEd) {
var postOfId = getPhotoPost(idForEd);
if (!postOfId) {
return false;
}
var postCopy = JSON.parse(JSON.stringify(postOfId));
if (postForEd.description != null) {
postCopy.description = postForEd.description;
}
if (postForEd.author != null) {
postCopy.author = postForEd.author;
}
if (postForEd.createdAt != null) {
postCopy.createdAt = postForEd.createdAt;
}
if (postForEd.photoLink != null) {
postCopy.photoLink = postForEd.photoLink;
}
if (postForEd.hashTags != null) {
postCopy.hashTags = postForEd.hashTags;
}

if (validateForEditing(postCopy)) {
changePostData(postOfId, postCopy);
return true;
}
return false;
}

function changePostData(post1, post2) {
post1.description = post2.description;

post1.author = post2.author;

post1.createdAt = post2.createdAt;

post1.photoLink = post2.photoLink;

post1.hashTags = post2.hashTags;
}

function removePhotoPost(idForRem) {
var postOfId = getPhotoPost(idForRem);
if (postOfId == null) {
console.log("Пост для удаления не найден");
return false;
}
else {
postOfId.postVisibility = false;
return true;
}
}
}());