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PostStore.swift
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PostStore.swift
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import Foundation
import WriteFreely
struct PostStore {
var posts: [Post]
init(posts: [Post] = []) {
self.posts = posts
}
mutating func add(_ post: Post) {
posts.append(post)
}
mutating func purgeAllPosts() {
posts = []
}
mutating func update(_ post: Post) {
// Find the local copy in the store
let localCopy = posts.first(where: { $0.id == post.id })
// If there's a local copy, update the updatedDate property of its WFPost
if let localCopy = localCopy {
localCopy.wfPost.updatedDate = Date()
} else {
print("Error: Local copy not found")
}
}
mutating func replace(post: Post, with fetchedPost: WFPost) {
// Find the local copy in the store.
let localCopy = posts.first(where: { $0.id == post.id })
// Replace the local copy's wfPost property with the fetched copy.
if let localCopy = localCopy {
localCopy.wfPost = fetchedPost
DispatchQueue.main.async {
localCopy.hasNewerRemoteCopy = false
localCopy.status = .published
}
} else {
print("Error: Local copy not found")
}
}
mutating func updateStore(with fetchedPosts: [Post]) {
for fetchedPost in fetchedPosts {
// Find the local copy in the store.
let localCopy = posts.first(where: { $0.wfPost.postId == fetchedPost.wfPost.postId })
// If there's a local copy, check which is newer; if not, add the fetched post to the store.
if let localCopy = localCopy {
// We do not discard the local copy; we simply set the hasNewerRemoteCopy flag accordingly.
if let remoteCopyUpdatedDate = fetchedPost.wfPost.updatedDate,
let localCopyUpdatedDate = localCopy.wfPost.updatedDate {
localCopy.hasNewerRemoteCopy = remoteCopyUpdatedDate > localCopyUpdatedDate
} else {
print("Error: could not determine which copy of post is newer")
}
} else {
add(fetchedPost)
}
}
}
}

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