Switch to using DatabaseArticle over article dictionaries.
This commit is contained in:
Brent Simmons
parent
19e65dd076
commit
d9f0e53312
|
|
@ -158,19 +158,18 @@ private extension ArticlesTable {
|
|||
|
||||
func articlesWithResultSet(_ resultSet: FMResultSet, _ database: FMDatabase) -> Set<Article> {
|
||||
|
||||
// 1. Create article dictionaries without related objects.
|
||||
// 1. Create DatabaseArticles without related objects.
|
||||
// 2. Then fetch the related objects, given the set of articleIDs.
|
||||
// 3. Then fetch statuses.
|
||||
// 4. Then create set of Articles with status and related objects and return it.
|
||||
// 3. Then create set of Articles with DatabaseArticles and related objects and return it.
|
||||
|
||||
// 1. Create article dictionaries.
|
||||
// 1. Create databaseArticles (intermediate representations).
|
||||
|
||||
let articleDictionaries = makeArticleDictionaries(with: resultSet)
|
||||
if articleDictionaries.isEmpty {
|
||||
let databaseArticles = makeDatabaseArticles(with: resultSet)
|
||||
if databaseArticles.isEmpty {
|
||||
return Set<Article>()
|
||||
}
|
||||
|
||||
let articleIDs = Set(articleDictionaries.map { $0[DatabaseKey.articleID] as! String })
|
||||
let articleIDs = databaseArticles.articleIDs()
|
||||
|
||||
// 2. Fetch related objects.
|
||||
|
||||
|
|
@ -178,107 +177,65 @@ private extension ArticlesTable {
|
|||
let attachmentsMap = attachmentsLookupTable.fetchRelatedObjects(for: articleIDs, in: database)
|
||||
let tagsMap = tagsLookupTable.fetchRelatedObjects(for: articleIDs, in: database)
|
||||
|
||||
// 3. All statuses for articleDictionaries were created (when needed) in makeArticleDictionaries.
|
||||
// 3. Create articles with related objects.
|
||||
|
||||
let statusesDictionary = statusesTable.statusesDictionary(articleIDs)
|
||||
assert(statusesDictionary.count == articleIDs.count)
|
||||
|
||||
// 4. Create articles with related objects.
|
||||
|
||||
let articles = articleDictionaries.flatMap { (articleDictionary) -> Article? in
|
||||
|
||||
guard let articleID = articleDictionary[DatabaseKey.articleID] as? String else {
|
||||
assertionFailure("articleID expected")
|
||||
return nil
|
||||
}
|
||||
guard let status = statusesDictionary[articleID] else {
|
||||
assertionFailure("status expected")
|
||||
return nil
|
||||
}
|
||||
|
||||
return articleWithDictionary(articleDictionary, status, authorsMap, attachmentsMap, tagsMap)
|
||||
let articles = databaseArticles.map { (databaseArticle) -> Article in
|
||||
return articleWithDatabaseArticle(databaseArticle, authorsMap, attachmentsMap, tagsMap)
|
||||
}
|
||||
|
||||
return Set(articles)
|
||||
}
|
||||
|
||||
func articleWithDictionary(_ articleDictionary: [String: Any], _ status: ArticleStatus, _ authorsMap: RelatedObjectsMap?, _ attachmentsMap: RelatedObjectsMap?, _ tagsMap: RelatedObjectsMap?) -> Article? {
|
||||
func articleWithDatabaseArticle(_ databaseArticle: DatabaseArticle, _ authorsMap: RelatedObjectsMap?, _ attachmentsMap: RelatedObjectsMap?, _ tagsMap: RelatedObjectsMap?) -> Article {
|
||||
|
||||
let articleID = articleDictionary[DatabaseKey.articleID]! as! String
|
||||
let articleID = databaseArticle.articleID
|
||||
let authors = authorsMap?.authors(for: articleID)
|
||||
let attachments = attachmentsMap?.attachments(for: articleID)
|
||||
let tags = tagsMap?.tags(for: articleID)
|
||||
|
||||
return Article(dictionary: articleDictionary, accountID: accountID, status: status, authors: authors, attachments: attachments, tags: tags)
|
||||
return Article(databaseArticle: databaseArticle, accountID: accountID, authors: authors, attachments: attachments, tags: tags)
|
||||
}
|
||||
|
||||
func makeArticleDictionaries(with resultSet: FMResultSet) -> [[String: Any]] {
|
||||
func makeDatabaseArticles(with resultSet: FMResultSet) -> Set<DatabaseArticle> {
|
||||
|
||||
let dictionaries = resultSet.flatMap{ (row) -> [String: Any]? in
|
||||
let articles = resultSet.mapToSet { (row) -> DatabaseArticle? in
|
||||
|
||||
// The resultSet is a result of a JOIN query with the statuses table,
|
||||
// so we can get the statuses at the same time and avoid additional database lookups.
|
||||
|
||||
// Don’t need status locally — we want it to get cached by statusesTable.
|
||||
guard let _ = statusesTable.statusWithRow(resultSet) else {
|
||||
guard let status = statusesTable.statusWithRow(resultSet) else {
|
||||
assertionFailure("Expected status.")
|
||||
return nil
|
||||
}
|
||||
|
||||
guard let articleID = row.string(forColumn: DatabaseKey.articleID) else {
|
||||
assertionFailure("Expected articleID.")
|
||||
return nil
|
||||
}
|
||||
guard let feedID = row.string(forColumn: DatabaseKey.feedID) else {
|
||||
assertionFailure("Expected feedID.")
|
||||
return nil
|
||||
}
|
||||
guard let uniqueID = row.string(forColumn: DatabaseKey.uniqueID) else {
|
||||
assertionFailure("Expected uniqueID.")
|
||||
return nil
|
||||
}
|
||||
|
||||
var d = [String: Any]()
|
||||
let title = row.string(forColumn: DatabaseKey.title)
|
||||
let contentHTML = row.string(forColumn: DatabaseKey.contentHTML)
|
||||
let contentText = row.string(forColumn: DatabaseKey.contentText)
|
||||
let url = row.string(forColumn: DatabaseKey.url)
|
||||
let externalURL = row.string(forColumn: DatabaseKey.externalURL)
|
||||
let summary = row.string(forColumn: DatabaseKey.summary)
|
||||
let imageURL = row.string(forColumn: DatabaseKey.imageURL)
|
||||
let bannerImageURL = row.string(forColumn: DatabaseKey.bannerImageURL)
|
||||
let datePublished = row.date(forColumn: DatabaseKey.datePublished)
|
||||
let dateModified = row.date(forColumn: DatabaseKey.dateModified)
|
||||
|
||||
d[DatabaseKey.articleID] = articleID
|
||||
d[DatabaseKey.feedID] = feedID
|
||||
d[DatabaseKey.uniqueID] = uniqueID
|
||||
|
||||
if let title = row.string(forColumn: DatabaseKey.title) {
|
||||
d[DatabaseKey.title] = title
|
||||
}
|
||||
if let contentHTML = row.string(forColumn: DatabaseKey.contentHTML) {
|
||||
d[DatabaseKey.contentHTML] = contentHTML
|
||||
}
|
||||
if let contentText = row.string(forColumn: DatabaseKey.contentText) {
|
||||
d[DatabaseKey.contentText] = contentText
|
||||
}
|
||||
if let url = row.string(forColumn: DatabaseKey.url) {
|
||||
d[DatabaseKey.url] = url
|
||||
}
|
||||
if let externalURL = row.string(forColumn: DatabaseKey.externalURL) {
|
||||
d[DatabaseKey.externalURL] = externalURL
|
||||
}
|
||||
if let summary = row.string(forColumn: DatabaseKey.summary) {
|
||||
d[DatabaseKey.summary] = summary
|
||||
}
|
||||
if let imageURL = row.string(forColumn: DatabaseKey.imageURL) {
|
||||
d[DatabaseKey.imageURL] = imageURL
|
||||
}
|
||||
if let bannerImageURL = row.string(forColumn: DatabaseKey.bannerImageURL) {
|
||||
d[DatabaseKey.bannerImageURL] = bannerImageURL
|
||||
}
|
||||
if let datePublished = row.date(forColumn: DatabaseKey.datePublished) {
|
||||
d[DatabaseKey.datePublished] = datePublished
|
||||
}
|
||||
if let dateModified = row.date(forColumn: DatabaseKey.dateModified) {
|
||||
d[DatabaseKey.dateModified] = dateModified
|
||||
}
|
||||
|
||||
// TODO: accountInfo
|
||||
|
||||
return d
|
||||
return DatabaseArticle(articleID: articleID, feedID: feedID, uniqueID: uniqueID, title: title, contentHTML: contentHTML, contentText: contentText, url: url, externalURL: externalURL, summary: summary, imageURL: imageURL, bannerImageURL: bannerImageURL, datePublished: datePublished, dateModified: dateModified, accountInfo: nil, status: status)
|
||||
}
|
||||
resultSet.close()
|
||||
|
||||
return dictionaries
|
||||
return articles
|
||||
}
|
||||
|
||||
func fetchArticlesWithWhereClause(_ database: FMDatabase, whereClause: String, parameters: [AnyObject], withLimits: Bool) -> Set<Article> {
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@
|
|||
//
|
||||
|
||||
import Foundation
|
||||
import Data
|
||||
|
||||
// Intermediate representation of an Article. Doesn’t include related objects.
|
||||
// Used by ArticlesTable as part of fetching articles.
|
||||
|
|
@ -32,6 +33,7 @@ struct DatabaseArticle: Hashable {
|
|||
|
||||
init(articleID: String, feedID: String, uniqueID: String, title: String?, contentHTML: String?, contentText: String?, url: String?, externalURL: String?, summary: String?, imageURL: String?, bannerImageURL: String?, datePublished: Date?, dateModified: Date?, accountInfo: AccountInfo?, status: ArticleStatus) {
|
||||
|
||||
self.articleID = articleID
|
||||
self.feedID = feedID
|
||||
self.uniqueID = uniqueID
|
||||
self.title = title
|
||||
|
|
@ -46,12 +48,20 @@ struct DatabaseArticle: Hashable {
|
|||
self.dateModified = dateModified
|
||||
self.accountInfo = accountInfo
|
||||
self.status = status
|
||||
|
||||
self.hashValue = articleID.hashValue
|
||||
}
|
||||
|
||||
static func ==(lhs: DatabaseArticle, rhs: DatabaseArticle) -> Bool {
|
||||
|
||||
return lhs.hashValue == rhs.hashValue && lhs.articleID == rhs.articleID && lhs.feedID == rhs.feedID && lhs.uniqueID == rhs.uniqueID && lhs.title == rhs.title && lhs.contentHTML == rhs.contentHTML && lhs.contentText == rhs.contentText && lhs.url == rhs.url && lhs.externalURL == rhs.externalURL && lhs.sumary == rhs.summary && lhs.imageURL == rhs.imageURL && lhs.bannerImageURL == rhs.bannerImageURL && lhs.datePublished == rhs.datePublished && lhs.dateModified == rhs.dateModified && lhs.status == rhs.status
|
||||
return lhs.hashValue == rhs.hashValue && lhs.articleID == rhs.articleID && lhs.feedID == rhs.feedID && lhs.uniqueID == rhs.uniqueID && lhs.title == rhs.title && lhs.contentHTML == rhs.contentHTML && lhs.contentText == rhs.contentText && lhs.url == rhs.url && lhs.externalURL == rhs.externalURL && lhs.summary == rhs.summary && lhs.imageURL == rhs.imageURL && lhs.bannerImageURL == rhs.bannerImageURL && lhs.datePublished == rhs.datePublished && lhs.dateModified == rhs.dateModified && lhs.status == rhs.status
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
extension Set where Element == DatabaseArticle {
|
||||
|
||||
func articleIDs() -> Set<String> {
|
||||
|
||||
return Set<String>(map { $0.articleID })
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -13,50 +13,9 @@ import RSParser
|
|||
|
||||
extension Article {
|
||||
|
||||
// init?(row: FMResultSet, accountID: String, authors: Set<Author>? = nil, attachments: Set<Attachment>? = nil, tags: Set<String>? = nil, status: ArticleStatus) {
|
||||
//
|
||||
// guard let feedID = row.string(forColumn: DatabaseKey.feedID) else {
|
||||
// return nil
|
||||
// }
|
||||
// guard let uniqueID = row.string(forColumn: DatabaseKey.uniqueID) else {
|
||||
// return nil
|
||||
// }
|
||||
//
|
||||
// let articleID = row.string(forColumn: DatabaseKey.articleID)!
|
||||
// let title = row.string(forColumn: DatabaseKey.title)
|
||||
// let contentHTML = row.string(forColumn: DatabaseKey.contentHTML)
|
||||
// let contentText = row.string(forColumn: DatabaseKey.contentText)
|
||||
// let url = row.string(forColumn: DatabaseKey.url)
|
||||
// let externalURL = row.string(forColumn: DatabaseKey.externalURL)
|
||||
// let summary = row.string(forColumn: DatabaseKey.summary)
|
||||
// let imageURL = row.string(forColumn: DatabaseKey.imageURL)
|
||||
// let bannerImageURL = row.string(forColumn: DatabaseKey.bannerImageURL)
|
||||
// let datePublished = row.date(forColumn: DatabaseKey.datePublished)
|
||||
// let dateModified = row.date(forColumn: DatabaseKey.dateModified)
|
||||
// let accountInfo: AccountInfo? = nil // TODO
|
||||
//
|
||||
// self.init(accountID: accountID, articleID: articleID, feedID: feedID, uniqueID: uniqueID, title: title, contentHTML: contentHTML, contentText: contentText, url: url, externalURL: externalURL, summary: summary, imageURL: imageURL, bannerImageURL: bannerImageURL, datePublished: datePublished, dateModified: dateModified, authors: authors, tags: tags, attachments: attachments, accountInfo: accountInfo, status: status)
|
||||
// }
|
||||
init(databaseArticle: DatabaseArticle, accountID: String, authors: Set<Author>?, attachments: Set<Attachment>?, tags: Set<String>?) {
|
||||
|
||||
init?(dictionary: [String: Any], accountID: String, status: ArticleStatus, authors: Set<Author>?, attachments: Set<Attachment>?, tags: Set<String>?) {
|
||||
|
||||
guard let articleID = dictionary[DatabaseKey.articleID] as? String, let feedID = dictionary[DatabaseKey.feedID] as? String, let uniqueID = dictionary[DatabaseKey.uniqueID] as? String else {
|
||||
return nil
|
||||
}
|
||||
|
||||
let title = dictionary[DatabaseKey.title] as? String
|
||||
let contentHTML = dictionary[DatabaseKey.contentHTML] as? String
|
||||
let contentText = dictionary[DatabaseKey.contentText] as? String
|
||||
let url = dictionary[DatabaseKey.url] as? String
|
||||
let externalURL = dictionary[DatabaseKey.externalURL] as? String
|
||||
let summary = dictionary[DatabaseKey.summary] as? String
|
||||
let imageURL = dictionary[DatabaseKey.imageURL] as? String
|
||||
let bannerImageURL = dictionary[DatabaseKey.bannerImageURL] as? String
|
||||
let datePublished = dictionary[DatabaseKey.datePublished] as? Date
|
||||
let dateModified = dictionary[DatabaseKey.dateModified] as? Date
|
||||
let accountInfo: AccountInfo? = nil // TODO
|
||||
|
||||
self.init(accountID: accountID, articleID: articleID, feedID: feedID, uniqueID: uniqueID, title: title, contentHTML: contentHTML, contentText: contentText, url: url, externalURL: externalURL, summary: summary, imageURL: imageURL, bannerImageURL: bannerImageURL, datePublished: datePublished, dateModified: dateModified, authors: authors, tags: tags, attachments: attachments, accountInfo: accountInfo, status: status)
|
||||
self.init(accountID: accountID, articleID: databaseArticle.articleID, feedID: databaseArticle.feedID, uniqueID: databaseArticle.uniqueID, title: databaseArticle.title, contentHTML: databaseArticle.contentHTML, contentText: databaseArticle.contentText, url: databaseArticle.url, externalURL: databaseArticle.externalURL, summary: databaseArticle.summary, imageURL: databaseArticle.imageURL, bannerImageURL: databaseArticle.bannerImageURL, datePublished: databaseArticle.datePublished, dateModified: databaseArticle.dateModified, authors: authors, tags: tags, attachments: attachments, accountInfo: databaseArticle.accountInfo, status: databaseArticle.status)
|
||||
}
|
||||
|
||||
init(parsedItem: ParsedItem, accountID: String, feedID: String, status: ArticleStatus) {
|
||||
|
|
@ -67,15 +26,6 @@ extension Article {
|
|||
self.init(accountID: accountID, articleID: parsedItem.syncServiceID, feedID: feedID, uniqueID: parsedItem.uniqueID, title: parsedItem.title, contentHTML: parsedItem.contentHTML, contentText: parsedItem.contentText, url: parsedItem.url, externalURL: parsedItem.externalURL, summary: parsedItem.summary, imageURL: parsedItem.imageURL, bannerImageURL: parsedItem.bannerImageURL, datePublished: parsedItem.datePublished, dateModified: parsedItem.dateModified, authors: authors, tags: parsedItem.tags, attachments: attachments, accountInfo: nil, status: status)
|
||||
}
|
||||
|
||||
// func articleByAttaching(_ authors: Set<Author>?, _ attachments: Set<Attachment>?, _ tags: Set<String>?) -> Article {
|
||||
//
|
||||
// if authors == nil && attachments == nil && tags == nil {
|
||||
// return self
|
||||
// }
|
||||
//
|
||||
// return Article(accountID: accountID, articleID: articleID, feedID: feedID, uniqueID: uniqueID, title: title, contentHTML: contentHTML, contentText: contentText, url: url, externalURL: externalURL, summary: summary, imageURL: imageURL, bannerImageURL: bannerImageURL, datePublished: datePublished, dateModified: dateModified, authors: authors, tags: tags, attachments: attachments, accountInfo: accountInfo, status: status)
|
||||
// }
|
||||
|
||||
private func addPossibleStringChangeWithKeyPath(_ comparisonKeyPath: KeyPath<Article,String?>, _ otherArticle: Article, _ key: String, _ dictionary: NSMutableDictionary) {
|
||||
|
||||
if self[keyPath: comparisonKeyPath] != otherArticle[keyPath: comparisonKeyPath] {
|
||||
|
|
|
|||
Loading…
Reference in New Issue