Basic status fetching and rendering

Development Assets/DevelopmentAssets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Development Assets/DevelopmentAssets.xcassets/timelineJSON.dataset/Contents.json

@@ -0,0 +1,13 @@
+{
+  "data" : [
+    {
+      "filename" : "timeline.json",
+      "idiom" : "universal",
+      "universal-type-identifier" : "public.json"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Development Assets/DevelopmentModels.swift

@@ -47,7 +47,9 @@ extension AppEnvironment {
     static let development = AppEnvironment(
         session: Session(configuration: .stubbing),
         webAuthSessionType: SuccessfulMockWebAuthSession.self,
-        keychainServiceType: MockKeychainService.self)
+        keychainServiceType: MockKeychainService.self,
+        userDefaults: MockUserDefaults(),
+        inMemoryContent: true)
 }
 
 extension IdentitiesService {
@@ -110,4 +112,8 @@ extension NotificationTypesPreferencesViewModel {
     static let development = NotificationTypesPreferencesViewModel(identityService: .development)
 }
 
+extension StatusesViewModel {
+    static let development = StatusesViewModel(statusListService: IdentityService.development.service(timeline: .home))
+}
+
 // swiftlint:enable force_try

Development Assets/Mastodon API Stubs/TimelinesEndpoint+Stubbing.swift

@@ -0,0 +1,14 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+#if canImport(UIKit)
+import UIKit
+#elseif canImport(AppKit)
+import AppKit
+#endif
+
+extension TimelinesEndpoint: Stubbing {
+    func data(url: URL) -> Data? {
+        NSDataAsset(name: "TimelineJSON")!.data
+    }
+}

Development Assets/Stubbing.swift

@@ -30,5 +30,7 @@ extension Stubbing {
         dataString(url: url)?.data(using: .utf8)
     }
 
+    func dataString(url: URL) -> String? { nil }
+
     func statusCode(url: URL) -> Int? { 200 }
 }

Metatext.xcodeproj/project.pbxproj

@@ -61,6 +61,34 @@
 		D052BBCB24D74C9300A80A7A /* MockUserDefaults.swift in Sources */ = {isa = PBXBuildFile; fileRef = D052BBC824D74B6400A80A7A /* MockUserDefaults.swift */; };
 		D052BBD124D750CA00A80A7A /* AppEnvironment.swift in Sources */ = {isa = PBXBuildFile; fileRef = D052BBCC24D750A100A80A7A /* AppEnvironment.swift */; };
 		D052BBD224D750CB00A80A7A /* AppEnvironment.swift in Sources */ = {isa = PBXBuildFile; fileRef = D052BBCC24D750A100A80A7A /* AppEnvironment.swift */; };
+		D05494E424EA3EF7008B00A5 /* Tag.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494E324EA3EF7008B00A5 /* Tag.swift */; };
+		D05494E524EA3EF7008B00A5 /* Tag.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494E324EA3EF7008B00A5 /* Tag.swift */; };
+		D05494E724EA3F1A008B00A5 /* Mention.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494E624EA3F1A008B00A5 /* Mention.swift */; };
+		D05494E824EA3F1A008B00A5 /* Mention.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494E624EA3F1A008B00A5 /* Mention.swift */; };
+		D05494EA24EA3F54008B00A5 /* Attachment.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494E924EA3F54008B00A5 /* Attachment.swift */; };
+		D05494EB24EA3F54008B00A5 /* Attachment.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494E924EA3F54008B00A5 /* Attachment.swift */; };
+		D05494ED24EA3FA9008B00A5 /* Poll.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494EC24EA3FA9008B00A5 /* Poll.swift */; };
+		D05494EE24EA3FA9008B00A5 /* Poll.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494EC24EA3FA9008B00A5 /* Poll.swift */; };
+		D05494F024EA3FE5008B00A5 /* Card.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494EF24EA3FE5008B00A5 /* Card.swift */; };
+		D05494F124EA3FE5008B00A5 /* Card.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494EF24EA3FE5008B00A5 /* Card.swift */; };
+		D05494F724EA49F7008B00A5 /* TimelinesEndpoint.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494F624EA49F7008B00A5 /* TimelinesEndpoint.swift */; };
+		D05494F824EA49F7008B00A5 /* TimelinesEndpoint.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494F624EA49F7008B00A5 /* TimelinesEndpoint.swift */; };
+		D05494FA24EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494F924EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift */; };
+		D05494FB24EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D05494F924EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift */; };
+		D054950124EA4FFE008B00A5 /* DevelopmentAssets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = D054950024EA4FFE008B00A5 /* DevelopmentAssets.xcassets */; };
+		D054950224EA4FFE008B00A5 /* DevelopmentAssets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = D054950024EA4FFE008B00A5 /* DevelopmentAssets.xcassets */; };
+		D054951224EB1041008B00A5 /* StatusListService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D054951124EB1041008B00A5 /* StatusListService.swift */; };
+		D054951324EB1041008B00A5 /* StatusListService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D054951124EB1041008B00A5 /* StatusListService.swift */; };
+		D054951524EB1053008B00A5 /* TimelineService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D054951424EB1053008B00A5 /* TimelineService.swift */; };
+		D054951624EB1053008B00A5 /* TimelineService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D054951424EB1053008B00A5 /* TimelineService.swift */; };
+		D054951B24EB2825008B00A5 /* TransientStatusCollection.swift in Sources */ = {isa = PBXBuildFile; fileRef = D054951A24EB2825008B00A5 /* TransientStatusCollection.swift */; };
+		D054951C24EB2825008B00A5 /* TransientStatusCollection.swift in Sources */ = {isa = PBXBuildFile; fileRef = D054951A24EB2825008B00A5 /* TransientStatusCollection.swift */; };
+		D057426724E9FE1D00839EBA /* ContentDatabase.swift in Sources */ = {isa = PBXBuildFile; fileRef = D057426624E9FE1D00839EBA /* ContentDatabase.swift */; };
+		D057426824E9FE1D00839EBA /* ContentDatabase.swift in Sources */ = {isa = PBXBuildFile; fileRef = D057426624E9FE1D00839EBA /* ContentDatabase.swift */; };
+		D057426A24EA32AC00839EBA /* Timeline.swift in Sources */ = {isa = PBXBuildFile; fileRef = D057426924EA32AC00839EBA /* Timeline.swift */; };
+		D057426B24EA32AC00839EBA /* Timeline.swift in Sources */ = {isa = PBXBuildFile; fileRef = D057426924EA32AC00839EBA /* Timeline.swift */; };
+		D057426D24EA339300839EBA /* ListTimeline.swift in Sources */ = {isa = PBXBuildFile; fileRef = D057426C24EA339300839EBA /* ListTimeline.swift */; };
+		D057426E24EA339300839EBA /* ListTimeline.swift in Sources */ = {isa = PBXBuildFile; fileRef = D057426C24EA339300839EBA /* ListTimeline.swift */; };
 		D065F53924D37E5100741304 /* CombineExpectations in Frameworks */ = {isa = PBXBuildFile; productRef = D065F53824D37E5100741304 /* CombineExpectations */; };
 		D065F53B24D3B33A00741304 /* View+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = D065F53A24D3B33A00741304 /* View+Extensions.swift */; };
 		D065F53C24D3B33A00741304 /* View+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = D065F53A24D3B33A00741304 /* View+Extensions.swift */; };
@@ -102,10 +130,10 @@
 		D0BEC93924C9632800E864C4 /* RootViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC93724C9632800E864C4 /* RootViewModel.swift */; };
 		D0BEC93B24C96FD500E864C4 /* RootView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC93A24C96FD500E864C4 /* RootView.swift */; };
 		D0BEC93C24C96FD500E864C4 /* RootView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC93A24C96FD500E864C4 /* RootView.swift */; };
-		D0BEC94724CA22C400E864C4 /* TimelineViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94624CA22C400E864C4 /* TimelineViewModel.swift */; };
+		D0BEC94724CA22C400E864C4 /* StatusesViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94624CA22C400E864C4 /* StatusesViewModel.swift */; };
-		D0BEC94824CA22C400E864C4 /* TimelineViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94624CA22C400E864C4 /* TimelineViewModel.swift */; };
+		D0BEC94824CA22C400E864C4 /* StatusesViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94624CA22C400E864C4 /* StatusesViewModel.swift */; };
-		D0BEC94A24CA231200E864C4 /* TimelineView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94924CA231200E864C4 /* TimelineView.swift */; };
+		D0BEC94A24CA231200E864C4 /* StatusesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94924CA231200E864C4 /* StatusesView.swift */; };
-		D0BEC94B24CA231200E864C4 /* TimelineView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94924CA231200E864C4 /* TimelineView.swift */; };
+		D0BEC94B24CA231200E864C4 /* StatusesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0BEC94924CA231200E864C4 /* StatusesView.swift */; };
 		D0C963FB24CC359D003BD330 /* AlertItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0C963FA24CC359D003BD330 /* AlertItem.swift */; };
 		D0C963FC24CC359D003BD330 /* AlertItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0C963FA24CC359D003BD330 /* AlertItem.swift */; };
 		D0C963FE24CC3812003BD330 /* Publisher+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0C963FD24CC3812003BD330 /* Publisher+Extensions.swift */; };
@@ -258,6 +286,20 @@
 		D052BBC624D749C800A80A7A /* RootViewModelTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RootViewModelTests.swift; sourceTree = "<group>"; };
 		D052BBC824D74B6400A80A7A /* MockUserDefaults.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MockUserDefaults.swift; sourceTree = "<group>"; };
 		D052BBCC24D750A100A80A7A /* AppEnvironment.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppEnvironment.swift; sourceTree = "<group>"; };
+		D05494E324EA3EF7008B00A5 /* Tag.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Tag.swift; sourceTree = "<group>"; };
+		D05494E624EA3F1A008B00A5 /* Mention.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Mention.swift; sourceTree = "<group>"; };
+		D05494E924EA3F54008B00A5 /* Attachment.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Attachment.swift; sourceTree = "<group>"; };
+		D05494EC24EA3FA9008B00A5 /* Poll.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Poll.swift; sourceTree = "<group>"; };
+		D05494EF24EA3FE5008B00A5 /* Card.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Card.swift; sourceTree = "<group>"; };
+		D05494F624EA49F7008B00A5 /* TimelinesEndpoint.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelinesEndpoint.swift; sourceTree = "<group>"; };
+		D05494F924EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "TimelinesEndpoint+Stubbing.swift"; sourceTree = "<group>"; };
+		D054950024EA4FFE008B00A5 /* DevelopmentAssets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = DevelopmentAssets.xcassets; sourceTree = "<group>"; };
+		D054951124EB1041008B00A5 /* StatusListService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusListService.swift; sourceTree = "<group>"; };
+		D054951424EB1053008B00A5 /* TimelineService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineService.swift; sourceTree = "<group>"; };
+		D054951A24EB2825008B00A5 /* TransientStatusCollection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TransientStatusCollection.swift; sourceTree = "<group>"; };
+		D057426624E9FE1D00839EBA /* ContentDatabase.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentDatabase.swift; sourceTree = "<group>"; };
+		D057426924EA32AC00839EBA /* Timeline.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Timeline.swift; sourceTree = "<group>"; };
+		D057426C24EA339300839EBA /* ListTimeline.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ListTimeline.swift; sourceTree = "<group>"; };
 		D065F53A24D3B33A00741304 /* View+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "View+Extensions.swift"; sourceTree = "<group>"; };
 		D0666A2124C677B400F3F04B /* Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = Tests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		D0666A2524C677B400F3F04B /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -278,8 +320,8 @@
 		D0B23F0C24D210E90066F411 /* NSError+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "NSError+Extensions.swift"; sourceTree = "<group>"; };
 		D0BEC93724C9632800E864C4 /* RootViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RootViewModel.swift; sourceTree = "<group>"; };
 		D0BEC93A24C96FD500E864C4 /* RootView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RootView.swift; sourceTree = "<group>"; };
-		D0BEC94624CA22C400E864C4 /* TimelineViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineViewModel.swift; sourceTree = "<group>"; };
+		D0BEC94624CA22C400E864C4 /* StatusesViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusesViewModel.swift; sourceTree = "<group>"; };
-		D0BEC94924CA231200E864C4 /* TimelineView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineView.swift; sourceTree = "<group>"; };
+		D0BEC94924CA231200E864C4 /* StatusesView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusesView.swift; sourceTree = "<group>"; };
 		D0C963FA24CC359D003BD330 /* AlertItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlertItem.swift; sourceTree = "<group>"; };
 		D0C963FD24CC3812003BD330 /* Publisher+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Publisher+Extensions.swift"; sourceTree = "<group>"; };
 		D0CD847224DBDEC700CF380C /* MastodonPreferences.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MastodonPreferences.swift; sourceTree = "<group>"; };
@@ -409,6 +451,7 @@
 				D019E6E024DF72E700697C7D /* InstanceEndpoint.swift */,
 				D019E6DD24DF72E700697C7D /* PreferencesEndpoint.swift */,
 				D0EC8DED24E2704D00A08489 /* PushSubscriptionEndpoint.swift */,
+				D05494F624EA49F7008B00A5 /* TimelinesEndpoint.swift */,
 			);
 			path = Endpoints;
 			sourceTree = "<group>";
@@ -418,6 +461,7 @@
 			children = (
 				D019E6EF24DF7C2F00697C7D /* DatabaseError.swift */,
 				D019E6EC24DF7BF300697C7D /* IdentityDatabase.swift */,
+				D057426624E9FE1D00839EBA /* ContentDatabase.swift */,
 			);
 			path = Databases;
 			sourceTree = "<group>";
@@ -425,12 +469,13 @@
 		D019E6F224DF7C9E00697C7D /* Services */ = {
 			isa = PBXGroup;
 			children = (
+				D054951024EB101F008B00A5 /* Status List Services */,
 				D0EC8DCD24DFB64200A08489 /* AuthenticationService.swift */,
 				D0EC8DCA24DFA06700A08489 /* IdentitiesService.swift */,
 				D0EC8DC124DF7D9C00A08489 /* IdentityService.swift */,
 				D0EC8DC424DF842700A08489 /* KeychainService.swift */,
-				D0EC8DD724E096C900A08489 /* UserNotificationService.swift */,
 				D0EC8DC724DF8B3C00A08489 /* SecretsService.swift */,
+				D0EC8DD724E096C900A08489 /* UserNotificationService.swift */,
 			);
 			path = Services;
 			sourceTree = "<group>";
@@ -500,6 +545,15 @@
 			path = macOS;
 			sourceTree = "<group>";
 		};
+		D054951024EB101F008B00A5 /* Status List Services */ = {
+			isa = PBXGroup;
+			children = (
+				D054951124EB1041008B00A5 /* StatusListService.swift */,
+				D054951424EB1053008B00A5 /* TimelineService.swift */,
+			);
+			path = "Status List Services";
+			sourceTree = "<group>";
+		};
 		D0666A2224C677B400F3F04B /* Tests */ = {
 			isa = PBXGroup;
 			children = (
@@ -519,14 +573,22 @@
 				D0666A6224C6DC6C00F3F04B /* AppAuthorization.swift */,
 				D052BBCC24D750A100A80A7A /* AppEnvironment.swift */,
 				D0ED1BD624CF94B200B4899C /* Application.swift */,
+				D05494E924EA3F54008B00A5 /* Attachment.swift */,
+				D05494EF24EA3FE5008B00A5 /* Card.swift */,
 				D0666A5324C6C3E500F3F04B /* Emoji.swift */,
 				D0666A4A24C6C37700F3F04B /* Identity.swift */,
 				D0666A4D24C6C39600F3F04B /* Instance.swift */,
+				D057426C24EA339300839EBA /* ListTimeline.swift */,
 				D0ED1BE224CFA84400B4899C /* MastodonError.swift */,
 				D0CD847224DBDEC700CF380C /* MastodonPreferences.swift */,
+				D05494E624EA3F1A008B00A5 /* Mention.swift */,
+				D05494EC24EA3FA9008B00A5 /* Poll.swift */,
 				D0E5362F24E5436C00FB1CE1 /* PushNotification.swift */,
 				D0EC8DEA24E26F1100A08489 /* PushSubscription.swift */,
 				D0CD847524DBDF3C00CF380C /* Status.swift */,
+				D05494E324EA3EF7008B00A5 /* Tag.swift */,
+				D057426924EA32AC00839EBA /* Timeline.swift */,
+				D054951A24EB2825008B00A5 /* TransientStatusCollection.swift */,
 				D0CD847B24DBEA9F00CF380C /* Unknowable.swift */,
 			);
 			path = Model;
@@ -555,7 +617,7 @@
 				D0091B6724DC10B30040E8D2 /* PostingReadingPreferencesView.swift */,
 				D0091B6D24DD68090040E8D2 /* PreferencesView.swift */,
 				D0BEC93A24C96FD500E864C4 /* RootView.swift */,
-				D0BEC94924CA231200E864C4 /* TimelineView.swift */,
+				D0BEC94924CA231200E864C4 /* StatusesView.swift */,
 			);
 			path = Views;
 			sourceTree = "<group>";
@@ -579,7 +641,7 @@
 				D0091B6A24DC10CE0040E8D2 /* PostingReadingPreferencesViewModel.swift */,
 				D0091B7024DD68220040E8D2 /* PreferencesViewModel.swift */,
 				D0BEC93724C9632800E864C4 /* RootViewModel.swift */,
-				D0BEC94624CA22C400E864C4 /* TimelineViewModel.swift */,
+				D0BEC94624CA22C400E864C4 /* StatusesViewModel.swift */,
 			);
 			path = "View Models";
 			sourceTree = "<group>";
@@ -607,6 +669,7 @@
 				D04FD73B24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift */,
 				D0DC175124D008E300A75C65 /* MastodonTarget+Stubbing.swift */,
 				D0A652AC24DE3EB6002EA33F /* PreferencesEndpoint+Stubbing.swift */,
+				D05494F924EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift */,
 			);
 			path = "Mastodon API Stubs";
 			sourceTree = "<group>";
@@ -641,6 +704,7 @@
 		D0ED1BB224CE3A1600B4899C /* Development Assets */ = {
 			isa = PBXGroup;
 			children = (
+				D054950024EA4FFE008B00A5 /* DevelopmentAssets.xcassets */,
 				D04FD74124D4AA34007D572D /* DevelopmentModels.swift */,
 				D0DC175724D0130800A75C65 /* HTTPStubs.swift */,
 				D0DC174824CFF13700A75C65 /* Mastodon API Stubs */,
@@ -817,6 +881,7 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D054950124EA4FFE008B00A5 /* DevelopmentAssets.xcassets in Resources */,
 				D047FAB224C3E21200AF17C5 /* Assets.xcassets in Resources */,
 				D06B491F24D3F7FE00642749 /* Localizable.strings in Resources */,
 			);
@@ -826,6 +891,7 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D054950224EA4FFE008B00A5 /* DevelopmentAssets.xcassets in Resources */,
 				D047FAB324C3E21200AF17C5 /* Assets.xcassets in Resources */,
 				D06B492024D3FB8000642749 /* Localizable.strings in Resources */,
 			);
@@ -890,21 +956,27 @@
 			buildActionMask = 2147483647;
 			files = (
 				D04FD73924D4A7B4007D572D /* AccountEndpoint+Stubbing.swift in Sources */,
+				D05494F724EA49F7008B00A5 /* TimelinesEndpoint.swift in Sources */,
+				D054951B24EB2825008B00A5 /* TransientStatusCollection.swift in Sources */,
 				D0DB6F0924C65AC000D965FE /* AddIdentityViewModel.swift in Sources */,
 				D0CD847324DBDEC700CF380C /* MastodonPreferences.swift in Sources */,
 				D075817924E6657B0081F6A3 /* NotificationTypesPreferencesViewModel.swift in Sources */,
 				D0ED1BD724CF94B200B4899C /* Application.swift in Sources */,
 				D047FAAE24C3E21200AF17C5 /* MetatextApp.swift in Sources */,
-				D0BEC94724CA22C400E864C4 /* TimelineViewModel.swift in Sources */,
+				D0BEC94724CA22C400E864C4 /* StatusesViewModel.swift in Sources */,
 				D0666A4E24C6C39600F3F04B /* Instance.swift in Sources */,
+				D057426724E9FE1D00839EBA /* ContentDatabase.swift in Sources */,
+				D054951524EB1053008B00A5 /* TimelineService.swift in Sources */,
 				D019E6E924DF72E700697C7D /* InstanceEndpoint.swift in Sources */,
 				D0ED1BE324CFA84400B4899C /* MastodonError.swift in Sources */,
 				D0EC8DE824E21FEC00A08489 /* Data+Extensions.swift in Sources */,
 				D0666A6324C6DC6C00F3F04B /* AppAuthorization.swift in Sources */,
+				D05494F024EA3FE5008B00A5 /* Card.swift in Sources */,
 				D019E6E524DF72E700697C7D /* AccountEndpoint.swift in Sources */,
 				D075817C24E6659A0081F6A3 /* NotificationTypesPreferencesView.swift in Sources */,
 				D065F53B24D3B33A00741304 /* View+Extensions.swift in Sources */,
 				D0DC174A24CFF15F00A75C65 /* AppAuthorizationEndpoint+Stubbing.swift in Sources */,
+				D05494E424EA3EF7008B00A5 /* Tag.swift in Sources */,
 				D0159F8A24DE742F00E78478 /* IdentitiesViewModel.swift in Sources */,
 				D0666A5124C6C3BC00F3F04B /* Account.swift in Sources */,
 				D019E6E124DF72E700697C7D /* AppAuthorizationEndpoint.swift in Sources */,
@@ -920,13 +992,15 @@
 				D019E6E324DF72E700697C7D /* PreferencesEndpoint.swift in Sources */,
 				D0666A4B24C6C37700F3F04B /* Identity.swift in Sources */,
 				D0666A5424C6C3E500F3F04B /* Emoji.swift in Sources */,
+				D05494FA24EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift in Sources */,
 				D0A652AD24DE3EB6002EA33F /* PreferencesEndpoint+Stubbing.swift in Sources */,
 				D0DC175524D00F0A00A75C65 /* AccessTokenEndpoint+Stubbing.swift in Sources */,
 				D0B23F0D24D210E90066F411 /* NSError+Extensions.swift in Sources */,
+				D05494ED24EA3FA9008B00A5 /* Poll.swift in Sources */,
 				D019E6D924DF728400697C7D /* MastodonDecoder.swift in Sources */,
 				D052BBCA24D74C9200A80A7A /* MockUserDefaults.swift in Sources */,
 				D0DC175224D008E300A75C65 /* MastodonTarget+Stubbing.swift in Sources */,
-				D0BEC94A24CA231200E864C4 /* TimelineView.swift in Sources */,
+				D0BEC94A24CA231200E864C4 /* StatusesView.swift in Sources */,
 				D0BEC93B24C96FD500E864C4 /* RootView.swift in Sources */,
 				D04FD74224D4AA34007D572D /* DevelopmentModels.swift in Sources */,
 				D0EC8DC524DF842700A08489 /* KeychainService.swift in Sources */,
@@ -941,6 +1015,7 @@
 				D0EC8DE524E0B44500A08489 /* UserNotificationService.swift in Sources */,
 				D0EC8DCB24DFA06700A08489 /* IdentitiesService.swift in Sources */,
 				D0091B7124DD68220040E8D2 /* PreferencesViewModel.swift in Sources */,
+				D057426A24EA32AC00839EBA /* Timeline.swift in Sources */,
 				D0DC174D24CFF1F100A75C65 /* Stubbing.swift in Sources */,
 				D0091B6B24DC10CE0040E8D2 /* PostingReadingPreferencesViewModel.swift in Sources */,
 				D0159F8624DE742F00E78478 /* TabNavigationViewModel.swift in Sources */,
@@ -952,13 +1027,16 @@
 				D0DB6EF424C5228A00D965FE /* AddIdentityView.swift in Sources */,
 				D074577724D29006004758DB /* MockWebAuthSession.swift in Sources */,
 				D0159FA524DE989700E78478 /* NSMutableAttributedString+Extensions.swift in Sources */,
+				D057426D24EA339300839EBA /* ListTimeline.swift in Sources */,
 				D0ED1BCE24CF768200B4899C /* MastodonEndpoint.swift in Sources */,
 				D074577A24D29366004758DB /* URLSessionConfiguration+Extensions.swift in Sources */,
 				D0ED1BB724CE47F400B4899C /* WebAuthSession.swift in Sources */,
 				D0A1CA7424DAC2F1003063E9 /* KingfisherOptionsInfo+Extensions.swift in Sources */,
+				D054951224EB1041008B00A5 /* StatusListService.swift in Sources */,
 				D0159F9124DE743700E78478 /* TabNavigationView.swift in Sources */,
 				D0ED1BC424CED54D00B4899C /* HTTPTarget.swift in Sources */,
 				D0EC8DC824DF8B3C00A08489 /* SecretsService.swift in Sources */,
+				D05494E724EA3F1A008B00A5 /* Mention.swift in Sources */,
 				D0159FA324DE955900E78478 /* CustomEmojiText.swift in Sources */,
 				D0C963FE24CC3812003BD330 /* Publisher+Extensions.swift in Sources */,
 				D0EC8DCE24DFB64200A08489 /* AuthenticationService.swift in Sources */,
@@ -969,6 +1047,7 @@
 				D0666A6F24C6DFB300F3F04B /* AccessToken.swift in Sources */,
 				D0ED1BCB24CF744200B4899C /* MastodonClient.swift in Sources */,
 				D0091B6824DC10B30040E8D2 /* PostingReadingPreferencesView.swift in Sources */,
+				D05494EA24EA3F54008B00A5 /* Attachment.swift in Sources */,
 				D0CD847624DBDF3C00CF380C /* Status.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -983,7 +1062,7 @@
 				D0CD847424DBDEC700CF380C /* MastodonPreferences.swift in Sources */,
 				D0ED1BD824CF94B200B4899C /* Application.swift in Sources */,
 				D047FAAF24C3E21200AF17C5 /* MetatextApp.swift in Sources */,
-				D0BEC94824CA22C400E864C4 /* TimelineViewModel.swift in Sources */,
+				D0BEC94824CA22C400E864C4 /* StatusesViewModel.swift in Sources */,
 				D0159FA624DE98F600E78478 /* NSMutableAttributedString+Extensions.swift in Sources */,
 				D0EC8DC324DF7D9C00A08489 /* IdentityService.swift in Sources */,
 				D0666A4F24C6C39600F3F04B /* Instance.swift in Sources */,
@@ -992,6 +1071,8 @@
 				D065F53C24D3B33A00741304 /* View+Extensions.swift in Sources */,
 				D0DC174B24CFF15F00A75C65 /* AppAuthorizationEndpoint+Stubbing.swift in Sources */,
 				D0666A5224C6C3BC00F3F04B /* Account.swift in Sources */,
+				D05494EE24EA3FA9008B00A5 /* Poll.swift in Sources */,
+				D05494FB24EA4E5E008B00A5 /* TimelinesEndpoint+Stubbing.swift in Sources */,
 				D052BBD124D750CA00A80A7A /* AppEnvironment.swift in Sources */,
 				D081A40624D0F1A8001B016E /* String+Extensions.swift in Sources */,
 				D0BEC93924C9632800E864C4 /* RootViewModel.swift in Sources */,
@@ -1008,18 +1089,25 @@
 				D052BBCB24D74C9300A80A7A /* MockUserDefaults.swift in Sources */,
 				D0DC175324D008E300A75C65 /* MastodonTarget+Stubbing.swift in Sources */,
 				D0EC8DE924E21FEC00A08489 /* Data+Extensions.swift in Sources */,
-				D0BEC94B24CA231200E864C4 /* TimelineView.swift in Sources */,
+				D0BEC94B24CA231200E864C4 /* StatusesView.swift in Sources */,
+				D05494E524EA3EF7008B00A5 /* Tag.swift in Sources */,
 				D0BEC93C24C96FD500E864C4 /* RootView.swift in Sources */,
 				D0159F9B24DE748900E78478 /* SidebarNavigationViewModel.swift in Sources */,
 				D04FD74324D4AA34007D572D /* DevelopmentModels.swift in Sources */,
 				D0DC175924D0130800A75C65 /* HTTPStubs.swift in Sources */,
+				D05494E824EA3F1A008B00A5 /* Mention.swift in Sources */,
+				D057426B24EA32AC00839EBA /* Timeline.swift in Sources */,
 				D019E6DA24DF728400697C7D /* MastodonDecoder.swift in Sources */,
+				D05494EB24EA3F54008B00A5 /* Attachment.swift in Sources */,
 				D0DC177824D0CF2600A75C65 /* MockKeychainService.swift in Sources */,
 				D0C963FC24CC359D003BD330 /* AlertItem.swift in Sources */,
 				D019E6E224DF72E700697C7D /* AppAuthorizationEndpoint.swift in Sources */,
 				D0DC174724CFEC2000A75C65 /* StubbingURLProtocol.swift in Sources */,
+				D05494F824EA49F7008B00A5 /* TimelinesEndpoint.swift in Sources */,
 				D0091B7224DD68220040E8D2 /* PreferencesViewModel.swift in Sources */,
+				D054951624EB1053008B00A5 /* TimelineService.swift in Sources */,
 				D019E6D824DF728400697C7D /* MastodonEncoder.swift in Sources */,
+				D054951C24EB2825008B00A5 /* TransientStatusCollection.swift in Sources */,
 				D0DC174E24CFF1F100A75C65 /* Stubbing.swift in Sources */,
 				D0091B6C24DC10CE0040E8D2 /* PostingReadingPreferencesViewModel.swift in Sources */,
 				D0091B6F24DD68090040E8D2 /* PreferencesView.swift in Sources */,
@@ -1028,9 +1116,11 @@
 				D0DB6EF524C5233E00D965FE /* AddIdentityView.swift in Sources */,
 				D019E6EA24DF72E700697C7D /* InstanceEndpoint.swift in Sources */,
 				D0EC8DCF24DFB64200A08489 /* AuthenticationService.swift in Sources */,
+				D054951324EB1041008B00A5 /* StatusListService.swift in Sources */,
 				D0159F9C24DE748C00E78478 /* SidebarNavigationView.swift in Sources */,
 				D019E6F124DF7C2F00697C7D /* DatabaseError.swift in Sources */,
 				D074577824D29006004758DB /* MockWebAuthSession.swift in Sources */,
+				D057426E24EA339300839EBA /* ListTimeline.swift in Sources */,
 				D0ED1BCF24CF768200B4899C /* MastodonEndpoint.swift in Sources */,
 				D074577B24D29366004758DB /* URLSessionConfiguration+Extensions.swift in Sources */,
 				D0ED1BB824CE47F400B4899C /* WebAuthSession.swift in Sources */,
@@ -1050,6 +1140,8 @@
 				D0ED1BCC24CF744200B4899C /* MastodonClient.swift in Sources */,
 				D0091B6924DC10B30040E8D2 /* PostingReadingPreferencesView.swift in Sources */,
 				D075817A24E6657B0081F6A3 /* NotificationTypesPreferencesViewModel.swift in Sources */,
+				D05494F124EA3FE5008B00A5 /* Card.swift in Sources */,
+				D057426824E9FE1D00839EBA /* ContentDatabase.swift in Sources */,
 				D019E6E624DF72E700697C7D /* AccountEndpoint.swift in Sources */,
 				D0CD847724DBDF3C00CF380C /* Status.swift in Sources */,
 				D0EC8DEF24E2704D00A08489 /* PushSubscriptionEndpoint.swift in Sources */,

Shared/Databases/ContentDatabase.swift

@@ -0,0 +1,410 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+import Combine
+import GRDB
+
+// swiftlint:disable file_length
+struct ContentDatabase {
+    private let databaseQueue: DatabaseQueue
+
+    init(identityID: UUID, inMemory: Bool = false) throws {
+        guard
+            let documentsDirectory = NSSearchPathForDirectoriesInDomains(
+                .documentDirectory,
+                .userDomainMask, true)
+                .first
+        else { throw DatabaseError.documentsDirectoryNotFound }
+
+        if inMemory {
+            databaseQueue = DatabaseQueue()
+        } else {
+            databaseQueue = try DatabaseQueue(path: "\(documentsDirectory)/\(identityID.uuidString).sqlite3")
+        }
+
+        try Self.migrate(databaseQueue)
+        try Self.createTemporaryTables(databaseQueue)
+    }
+}
+
+extension ContentDatabase {
+    func insert(statuses: [Status], collection: StatusCollection? = nil) -> AnyPublisher<Void, Error> {
+        databaseQueue.writePublisher {
+            try collection?.save($0)
+
+            for status in statuses {
+                for component in status.storedComponents() {
+                    try component.save($0)
+                }
+
+                try collection?.joinRecord(status: status).save($0)
+            }
+        }
+        .eraseToAnyPublisher()
+    }
+
+    func statusesObservation(timeline: Timeline) -> AnyPublisher<[Status], Error> {
+        ValueObservation
+            .tracking(timeline.statuses
+                        .including(required: StoredStatus.account)
+                        .including(optional: StoredStatus.reblogAccount)
+                        .including(optional: StoredStatus.reblog)
+                        .asRequest(of: StatusResult.self)
+                        .fetchAll)
+            .removeDuplicates()
+            .publisher(in: databaseQueue)
+            .map { $0.map(Status.init(statusResult:)) }
+            .eraseToAnyPublisher()
+    }
+}
+
+private extension ContentDatabase {
+    // swiftlint:disable function_body_length
+    static func migrate(_ writer: DatabaseWriter) throws {
+        var migrator = DatabaseMigrator()
+
+        migrator.registerMigration("createStatuses") { db in
+            try db.create(table: "account", ifNotExists: true) { t in
+                t.column("id", .text).notNull().primaryKey(onConflict: .replace)
+                t.column("username", .text).notNull()
+                t.column("acct", .text).notNull()
+                t.column("displayName", .text).notNull()
+                t.column("locked", .boolean).notNull()
+                t.column("createdAt", .date).notNull()
+                t.column("followersCount", .integer).notNull()
+                t.column("followingCount", .integer).notNull()
+                t.column("statusesCount", .integer).notNull()
+                t.column("note", .text).notNull()
+                t.column("url", .text).notNull()
+                t.column("avatar", .text).notNull()
+                t.column("avatarStatic", .text).notNull()
+                t.column("header", .text).notNull()
+                t.column("headerStatic", .text).notNull()
+                t.column("fields", .blob).notNull()
+                t.column("emojis", .blob).notNull()
+                t.column("bot", .boolean).notNull()
+                t.column("moved", .boolean)
+                t.column("discoverable", .boolean)
+            }
+
+            try db.create(table: "storedStatus", ifNotExists: true) { t in
+                t.column("id", .text).notNull().primaryKey(onConflict: .replace)
+                t.column("uri", .text).notNull()
+                t.column("createdAt", .datetime).notNull()
+                t.column("accountId", .text).indexed().notNull().references("account", column: "id")
+                t.column("content", .text).notNull()
+                t.column("visibility", .text).notNull()
+                t.column("sensitive", .boolean).notNull()
+                t.column("spoilerText", .text).notNull()
+                t.column("mediaAttachments", .blob).notNull()
+                t.column("mentions", .blob).notNull()
+                t.column("tags", .blob).notNull()
+                t.column("emojis", .blob).notNull()
+                t.column("reblogsCount", .integer).notNull()
+                t.column("favouritesCount", .integer).notNull()
+                t.column("repliesCount", .integer).notNull()
+                t.column("application", .blob)
+                t.column("url", .text)
+                t.column("inReplyToId", .text)
+                t.column("inReplyToAccountId", .text)
+                t.column("reblogId", .text).indexed().references("storedStatus", column: "id")
+                t.column("poll", .blob)
+                t.column("card", .blob)
+                t.column("language", .text)
+                t.column("text", .text)
+                t.column("favourited", .boolean)
+                t.column("reblogged", .boolean)
+                t.column("muted", .boolean)
+                t.column("bookmarked", .boolean)
+                t.column("pinned", .boolean)
+            }
+
+            try db.create(table: "timeline", ifNotExists: true) { t in
+                t.column("id", .text).notNull().primaryKey(onConflict: .replace)
+                t.column("listTitle", .text)
+            }
+
+            try db.create(table: "timelineStatusJoin", ifNotExists: true) { t in
+                t.column("timelineId", .text)
+                    .indexed()
+                    .notNull()
+                    .references("timeline", column: "id", onDelete: .cascade, onUpdate: .cascade)
+                t.column("statusId", .text)
+                    .indexed()
+                    .notNull()
+                    .references("storedStatus", column: "id", onDelete: .cascade, onUpdate: .cascade)
+
+                t.primaryKey(["timelineId", "statusId"], onConflict: .replace)
+            }
+        }
+
+        try migrator.migrate(writer)
+    }
+    // swiftlint:enable function_body_length
+
+    static func createTemporaryTables(_ writer: DatabaseWriter) throws {
+        try writer.write { database in
+            try database.create(table: "transientStatusCollection", temporary: true, ifNotExists: true) { t in
+                t.column("id", .text).notNull().primaryKey(onConflict: .replace)
+            }
+
+            try database.create(table: "transientStatusCollectionElement", temporary: true, ifNotExists: true) { t in
+                t.column("transientStatusCollectionId", .text)
+                    .notNull()
+                    .references("transientStatusCollection", column: "id", onDelete: .cascade, onUpdate: .cascade)
+                t.column("statusId", .text).notNull()
+
+                t.primaryKey(["transientStatusCollectionId", "statusId"], onConflict: .replace)
+            }
+        }
+    }
+}
+
+extension Account: TableRecord, FetchableRecord, PersistableRecord {
+    static func databaseJSONDecoder(for column: String) -> JSONDecoder {
+        MastodonDecoder()
+    }
+
+    static func databaseJSONEncoder(for column: String) -> JSONEncoder {
+        MastodonEncoder()
+    }
+}
+
+protocol StatusCollection: FetchableRecord, PersistableRecord {
+    var id: String { get }
+
+    func joinRecord(status: Status) -> PersistableRecord
+}
+
+private struct TimelineStatusJoin: Codable, TableRecord, FetchableRecord, PersistableRecord {
+    let timelineId: String
+    let statusId: String
+
+    static let status = belongsTo(StoredStatus.self)
+}
+
+extension Timeline: StatusCollection {
+    enum Columns: String, ColumnExpression {
+        case id, listTitle
+    }
+
+    init(row: Row) {
+        switch row[Columns.id] as String {
+        case Timeline.home.id:
+            self = .home
+        case Timeline.local.id:
+            self = .local
+        case Timeline.federated.id:
+            self = .federated
+        default:
+            self = .list(MastodonList(id: row[Columns.id], title: row[Columns.listTitle]))
+        }
+    }
+
+    func encode(to container: inout PersistenceContainer) {
+        container[Columns.id] = id
+
+        if case let .list(list) = self {
+            container[Columns.listTitle] = list.title
+        }
+    }
+
+    func joinRecord(status: Status) -> PersistableRecord {
+        TimelineStatusJoin(timelineId: id, statusId: status.id)
+    }
+}
+
+private extension Timeline {
+    static let statusJoins = hasMany(TimelineStatusJoin.self)
+
+    static let statuses = hasMany(StoredStatus.self,
+                                  through: statusJoins,
+                                  using: TimelineStatusJoin.status).order(Column("createdAt").desc)
+
+    var statusJoins: QueryInterfaceRequest<TimelineStatusJoin> {
+        request(for: Self.statusJoins)
+    }
+
+    var statuses: QueryInterfaceRequest<StoredStatus> {
+        request(for: Self.statuses)
+    }
+}
+
+private struct TransientStatusCollectionElement: Codable, TableRecord, FetchableRecord, PersistableRecord {
+    let transientStatusCollectionId: String
+    let statusId: String
+
+    static let status = belongsTo(StoredStatus.self, key: "statusId")
+}
+
+extension TransientStatusCollection: StatusCollection {
+    func joinRecord(status: Status) -> PersistableRecord {
+        TransientStatusCollectionElement(transientStatusCollectionId: id, statusId: status.id)
+    }
+}
+
+private extension TransientStatusCollection {
+    static let elements = hasMany(TransientStatusCollectionElement.self)
+
+    var elements: QueryInterfaceRequest<TransientStatusCollectionElement> {
+        request(for: Self.elements)
+    }
+}
+
+private struct StoredStatus: Codable, Hashable {
+    let id: String
+    let uri: String
+    let createdAt: Date
+    let accountId: String
+    let content: String
+    let visibility: Status.Visibility
+    let sensitive: Bool
+    let spoilerText: String
+    let mediaAttachments: [Attachment]
+    let mentions: [Mention]
+    let tags: [Tag]
+    let emojis: [Emoji]
+    let reblogsCount: Int
+    let favouritesCount: Int
+    let repliesCount: Int
+    let application: Application?
+    let url: URL?
+    let inReplyToId: String?
+    let inReplyToAccountId: String?
+    let reblogId: String?
+    let poll: Poll?
+    let card: Card?
+    let language: String?
+    let text: String?
+    let favourited: Bool?
+    let reblogged: Bool?
+    let muted: Bool?
+    let bookmarked: Bool?
+    let pinned: Bool?
+}
+
+private extension StoredStatus {
+    static let account = belongsTo(Account.self, key: "account")
+    static let reblogAccount = hasOne(Account.self, through: Self.reblog, using: Self.account, key: "reblogAccount")
+    static let reblog = belongsTo(StoredStatus.self, key: "reblog")
+
+    var account: QueryInterfaceRequest<Account> {
+        request(for: Self.account)
+    }
+
+    var reblogAccount: QueryInterfaceRequest<Account> {
+        request(for: Self.reblogAccount)
+    }
+
+    var reblog: QueryInterfaceRequest<StoredStatus> {
+        request(for: Self.reblog)
+    }
+
+    init(status: Status) {
+        id = status.id
+        uri = status.uri
+        createdAt = status.createdAt
+        accountId = status.account.id
+        content = status.content
+        visibility = status.visibility
+        sensitive = status.sensitive
+        spoilerText = status.spoilerText
+        mediaAttachments = status.mediaAttachments
+        mentions = status.mentions
+        tags = status.tags
+        emojis = status.emojis
+        reblogsCount = status.reblogsCount
+        favouritesCount = status.favouritesCount
+        repliesCount = status.repliesCount
+        application = status.application
+        url = status.url
+        inReplyToId = status.inReplyToId
+        inReplyToAccountId = status.inReplyToAccountId
+        reblogId = status.reblog?.id
+        poll = status.poll
+        card = status.card
+        language = status.language
+        text = status.text
+        favourited = status.favourited
+        reblogged = status.reblogged
+        muted = status.muted
+        bookmarked = status.bookmarked
+        pinned = status.pinned
+    }
+}
+
+extension StoredStatus: TableRecord, FetchableRecord, PersistableRecord {
+    static func databaseJSONDecoder(for column: String) -> JSONDecoder {
+        MastodonDecoder()
+    }
+
+    static func databaseJSONEncoder(for column: String) -> JSONEncoder {
+        MastodonEncoder()
+    }
+}
+
+private struct StatusResult: Codable, Hashable, FetchableRecord {
+    let account: Account
+    let status: StoredStatus
+    let reblogAccount: Account?
+    let reblog: StoredStatus?
+}
+
+private extension Status {
+    func storedComponents() -> [PersistableRecord] {
+        var components: [PersistableRecord] = [account]
+
+        if let reblog = reblog {
+            components.append(reblog.account)
+            components.append(StoredStatus(status: reblog))
+        }
+
+        components.append(StoredStatus(status: self))
+
+        return components
+    }
+
+    convenience init(statusResult: StatusResult) {
+        var reblog: Status?
+
+        if let reblogResult = statusResult.reblog, let reblogAccount = statusResult.reblogAccount {
+            reblog = Status(storedStatus: reblogResult, account: reblogAccount, reblog: nil)
+        }
+
+        self.init(storedStatus: statusResult.status, account: statusResult.account, reblog: reblog)
+    }
+
+    convenience init(storedStatus: StoredStatus, account: Account, reblog: Status?) {
+        self.init(
+            id: storedStatus.id,
+            uri: storedStatus.uri,
+            createdAt: storedStatus.createdAt,
+            account: account,
+            content: storedStatus.content,
+            visibility: storedStatus.visibility,
+            sensitive: storedStatus.sensitive,
+            spoilerText: storedStatus.spoilerText,
+            mediaAttachments: storedStatus.mediaAttachments,
+            mentions: storedStatus.mentions,
+            tags: storedStatus.tags,
+            emojis: storedStatus.emojis,
+            reblogsCount: storedStatus.reblogsCount,
+            favouritesCount: storedStatus.favouritesCount,
+            repliesCount: storedStatus.repliesCount,
+            application: storedStatus.application,
+            url: storedStatus.url,
+            inReplyToId: storedStatus.inReplyToId,
+            inReplyToAccountId: storedStatus.inReplyToAccountId,
+            reblog: reblog,
+            poll: storedStatus.poll,
+            card: storedStatus.card,
+            language: storedStatus.language,
+            text: storedStatus.text,
+            favourited: storedStatus.favourited,
+            reblogged: storedStatus.reblogged,
+            muted: storedStatus.muted,
+            bookmarked: storedStatus.bookmarked,
+            pinned: storedStatus.pinned)
+    }
+}
+// swiftlint:enable file_length

Shared/Model/AppEnvironment.swift

@@ -6,12 +6,15 @@ struct AppEnvironment {
     let session: Session
     let webAuthSessionType: WebAuthSession.Type
     let keychainServiceType: KeychainService.Type
-    let userDefaults: UserDefaults = .standard
+    let userDefaults: UserDefaults
+    let inMemoryContent: Bool
 }
 
 extension AppEnvironment {
     static let live: Self = Self(
         session: Session(configuration: .default),
         webAuthSessionType: LiveWebAuthSession.self,
-        keychainServiceType: LiveKeychainService.self)
+        keychainServiceType: LiveKeychainService.self,
+        userDefaults: .standard,
+        inMemoryContent: false)
 }

Shared/Model/Application.swift

@@ -2,7 +2,7 @@
 
 import Foundation
 
-struct Application: Codable {
+struct Application: Codable, Hashable {
     let name: String
-    let website: String
+    let website: String?
 }

Shared/Model/Attachment.swift

@@ -0,0 +1,43 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+struct Attachment: Codable, Hashable {
+    enum AttachmentType: String, Codable, Hashable, Unknowable {
+        case image, video, gifv, audio, unknown
+
+        static var unknownCase: Self { .unknown }
+    }
+
+    // swiftlint:disable nesting
+    struct Meta: Codable, Hashable {
+        struct Info: Codable, Hashable {
+            let width: Int?
+            let height: Int?
+            let size: String?
+            let aspect: Double?
+            let frameRate: String?
+            let duration: Double?
+            let bitrate: Int?
+        }
+
+        struct Focus: Codable, Hashable {
+            let x: Double
+            let y: Double
+        }
+
+        let original: Info?
+        let small: Info?
+        let focus: Focus?
+    }
+    // swiftlint:enable nesting
+
+    let id: String
+    let type: AttachmentType
+    let url: URL
+    let remoteUrl: URL?
+    let previewUrl: URL
+    let textUrl: URL?
+    let meta: Meta?
+    let description: String?
+}

Shared/Model/Card.swift

@@ -0,0 +1,25 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+struct Card: Codable, Hashable {
+    enum CardType: String, Codable, Hashable, Unknowable {
+        case link, photo, video, rich, unknown
+
+        static var unknownCase: Self { .unknown }
+    }
+
+    let url: URL
+    let title: String
+    let description: String
+    let type: CardType
+    let authorName: String?
+    let authorUrl: String?
+    let providerName: String?
+    let providerUrl: String?
+    let html: String?
+    let width: Int?
+    let height: Int?
+    let image: URL?
+    let embedUrl: String?
+}

Shared/Model/ListTimeline.swift

@@ -0,0 +1,8 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+struct MastodonList: Codable, Hashable, Identifiable {
+    let id: String
+    let title: String
+}

Shared/Model/Mention.swift

@@ -0,0 +1,10 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+struct Mention: Codable, Hashable {
+    let url: URL
+    let username: String
+    let acct: String
+    let id: String
+}

Shared/Model/Poll.swift

@@ -0,0 +1,21 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+struct Poll: Codable, Hashable {
+    struct Option: Codable, Hashable {
+        var title: String
+        var votesCount: Int
+    }
+
+    let id: String
+    let expiresAt: Date
+    let expired: Bool
+    let multiple: Bool
+    let votesCount: Int
+    let votersCount: Int?
+    let voted: Bool?
+    let ownVotes: [Int]?
+    let options: [Option]
+    let emojis: [Emoji]
+}

Shared/Model/Status.swift

@@ -2,7 +2,7 @@
 
 import Foundation
 
-struct Status {
+class Status: Codable, Identifiable {
     enum Visibility: String, Codable, Unknowable {
         case `public`
         case unlisted
@@ -12,4 +12,96 @@ struct Status {
 
         static var unknownCase: Self { .unknown }
     }
+
+    let id: String
+    let uri: String
+    let createdAt: Date
+    let account: Account
+    let content: String
+    let visibility: Visibility
+    let sensitive: Bool
+    let spoilerText: String
+    let mediaAttachments: [Attachment]
+    let mentions: [Mention]
+    let tags: [Tag]
+    let emojis: [Emoji]
+    let reblogsCount: Int
+    let favouritesCount: Int
+    let repliesCount: Int
+    let application: Application?
+    let url: URL?
+    let inReplyToId: String?
+    let inReplyToAccountId: String?
+    let reblog: Status?
+    let poll: Poll?
+    let card: Card?
+    let language: String?
+    let text: String?
+    let favourited: Bool?
+    let reblogged: Bool?
+    let muted: Bool?
+    let bookmarked: Bool?
+    let pinned: Bool?
+
+    // Xcode-generated memberwise initializer
+    init(
+        id: String,
+        uri: String,
+        createdAt: Date,
+        account: Account,
+        content: String,
+        visibility: Status.Visibility,
+        sensitive: Bool,
+        spoilerText: String,
+        mediaAttachments: [Attachment],
+        mentions: [Mention],
+        tags: [Tag],
+        emojis: [Emoji],
+        reblogsCount: Int,
+        favouritesCount: Int,
+        repliesCount: Int,
+        application: Application?,
+        url: URL?,
+        inReplyToId: String?,
+        inReplyToAccountId: String?,
+        reblog: Status?,
+        poll: Poll?,
+        card: Card?,
+        language: String?,
+        text: String?,
+        favourited: Bool?,
+        reblogged: Bool?,
+        muted: Bool?,
+        bookmarked: Bool?,
+        pinned: Bool?) {
+        self.id = id
+        self.uri = uri
+        self.createdAt = createdAt
+        self.account = account
+        self.content = content
+        self.visibility = visibility
+        self.sensitive = sensitive
+        self.spoilerText = spoilerText
+        self.mediaAttachments = mediaAttachments
+        self.mentions = mentions
+        self.tags = tags
+        self.emojis = emojis
+        self.reblogsCount = reblogsCount
+        self.favouritesCount = favouritesCount
+        self.repliesCount = repliesCount
+        self.application = application
+        self.url = url
+        self.inReplyToId = inReplyToId
+        self.inReplyToAccountId = inReplyToAccountId
+        self.reblog = reblog
+        self.poll = poll
+        self.card = card
+        self.language = language
+        self.text = text
+        self.favourited = favourited
+        self.reblogged = reblogged
+        self.muted = muted
+        self.bookmarked = bookmarked
+        self.pinned = pinned
+    }
 }

Shared/Model/Tag.swift

@@ -0,0 +1,8 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+struct Tag: Codable, Hashable {
+    let name: String
+    let url: URL
+}

Shared/Model/Timeline.swift

@@ -0,0 +1,38 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+enum Timeline {
+    case home
+    case local
+    case federated
+    case list(MastodonList)
+}
+
+extension Timeline {
+    var id: String {
+        switch self {
+        case .home:
+            return "home"
+        case .local:
+            return "local"
+        case .federated:
+            return "federated"
+        case let .list(list):
+            return list.id
+        }
+    }
+
+    var endpoint: TimelinesEndpoint {
+        switch self {
+        case .home:
+            return .home
+        case .local:
+            return .public(local: true)
+        case .federated:
+            return .public(local: false)
+        case let .list(list):
+            return .list(id: list.id)
+        }
+    }
+}

Shared/Model/TransientStatusCollection.swift

@@ -2,6 +2,6 @@
 
 import Foundation
 
-class TimelineViewModel: ObservableObject {
+struct TransientStatusCollection: Codable {
-
+    let id: String
 }

Shared/Networking/Mastodon API/Endpoints/TimelinesEndpoint.swift

@@ -0,0 +1,42 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+enum TimelinesEndpoint {
+    case `public`(local: Bool)
+    case tag(String)
+    case home
+    case list(id: String)
+}
+
+extension TimelinesEndpoint: MastodonEndpoint {
+    typealias ResultType = [Status]
+
+    var context: [String] {
+        defaultContext + ["timelines"]
+    }
+
+    var pathComponentsInContext: [String] {
+        switch self {
+        case .public:
+            return ["public"]
+        case let .tag(tag):
+            return ["tag", tag]
+        case .home:
+            return ["home"]
+        case let .list(id):
+            return ["list", id]
+        }
+    }
+
+    var parameters: [String: Any]? {
+        switch self {
+        case let .public(local):
+            return ["local": local]
+        default:
+            return nil
+        }
+    }
+
+    var method: HTTPMethod { .get }
+}

Shared/Services/IdentityService.swift

@@ -8,6 +8,7 @@ class IdentityService {
     let observationErrors: AnyPublisher<Error, Never>
 
     private let identityDatabase: IdentityDatabase
+    private let contentDatabase: ContentDatabase
     private let environment: AppEnvironment
     private let networkClient: MastodonClient
     private let secretsService: SecretsService
@@ -37,6 +38,8 @@ class IdentityService {
         networkClient.instanceURL = identity.url
         networkClient.accessToken = try? secretsService.item(.accessToken)
 
+        contentDatabase = try ContentDatabase(identityID: identityID, inMemory: environment.inMemoryContent)
+
         observation.catch { [weak self] error -> Empty<Identity, Never> in
             self?.observationErrorsInput.send(error)
 
@@ -127,6 +130,10 @@ extension IdentityService {
             .flatMap(identityDatabase.updatePushSubscription(alerts:deviceToken:forIdentityID:))
             .eraseToAnyPublisher()
     }
+
+    func service(timeline: Timeline) -> StatusListService {
+        TimelineService(timeline: timeline, networkClient: networkClient, contentDatabase: contentDatabase)
+    }
 }
 
 private extension IdentityService {

Shared/Services/Status List Services/StatusListService.swift

@@ -0,0 +1,9 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+import Combine
+
+protocol StatusListService {
+    var statusSections: AnyPublisher<[[Status]], Error> { get }
+    func request(maxID: String?, minID: String?) -> AnyPublisher<Void, Error>
+}

Shared/Services/Status List Services/TimelineService.swift

@@ -0,0 +1,28 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+import Combine
+
+struct TimelineService: StatusListService {
+    let statusSections: AnyPublisher<[[Status]], Error>
+
+    private let timeline: Timeline
+    private let networkClient: MastodonClient
+    private let contentDatabase: ContentDatabase
+
+    init(timeline: Timeline, networkClient: MastodonClient, contentDatabase: ContentDatabase) {
+        self.timeline = timeline
+        self.networkClient = networkClient
+        self.contentDatabase = contentDatabase
+        statusSections = contentDatabase.statusesObservation(timeline: timeline)
+            .map { [$0] }
+            .eraseToAnyPublisher()
+    }
+
+    func request(maxID: String?, minID: String?) -> AnyPublisher<Void, Error> {
+        return networkClient.request(timeline.endpoint)
+            .map { ($0, timeline) }
+            .flatMap(contentDatabase.insert(statuses:collection:))
+            .eraseToAnyPublisher()
+    }
+}

Shared/View Models/StatusesViewModel.swift

@@ -0,0 +1,28 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+import Combine
+
+class StatusesViewModel: ObservableObject {
+    @Published var statusSections = [[Status]]()
+    @Published var alertItem: AlertItem?
+    private let statusListService: StatusListService
+    private var cancellables = Set<AnyCancellable>()
+
+    init(statusListService: StatusListService) {
+        self.statusListService = statusListService
+
+        statusListService.statusSections
+            .assignErrorsToAlertItem(to: \.alertItem, on: self)
+            .assign(to: &$statusSections)
+    }
+}
+
+extension StatusesViewModel {
+    func request(maxID: String? = nil, minID: String? = nil) {
+        statusListService.request(maxID: maxID, minID: minID)
+            .assignErrorsToAlertItem(to: \.alertItem, on: self)
+            .sink {}
+            .store(in: &cancellables)
+    }
+}

Shared/Views/StatusesView.swift

@@ -0,0 +1,31 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import SwiftUI
+
+struct StatusesView: View {
+    @StateObject var viewModel: StatusesViewModel
+
+    var body: some View {
+        ScrollView {
+            LazyVStack {
+                ForEach(Array(zip(viewModel.statusSections.indices, viewModel.statusSections)),
+                        id: \.0) { _, statuses in
+                    ForEach(statuses) { status in
+                        Text(status.content)
+                        Divider()
+                    }
+                }
+            }
+        }
+        .onAppear { viewModel.request() }
+        .alertItem($viewModel.alertItem)
+    }
+}
+
+#if DEBUG
+struct StatusesView_Previews: PreviewProvider {
+    static var previews: some View {
+        StatusesView(viewModel: .development)
+    }
+}
+#endif

Shared/Views/TimelineView.swift

@@ -1,17 +0,0 @@
-// Copyright © 2020 Metabolist. All rights reserved.
-
-import SwiftUI
-
-struct TimelineView: View {
-    var body: some View {
-        Text("Time of my life")
-    }
-}
-
-#if DEBUG
-struct TimelineView_Previews: PreviewProvider {
-    static var previews: some View {
-        TimelineView()
-    }
-}
-#endif

iOS/View Models/TabNavigationViewModel.swift

@@ -6,6 +6,7 @@ import Combine
 class TabNavigationViewModel: ObservableObject {
     @Published private(set) var identity: Identity
     @Published private(set) var recentIdentities = [Identity]()
+    @Published private(set) var timelineViewModel: StatusesViewModel
     @Published var presentingSecondaryNavigation = false
     @Published var alertItem: AlertItem?
     var selectedTab: Tab? = .timelines
@@ -16,6 +17,7 @@ class TabNavigationViewModel: ObservableObject {
     init(identityService: IdentityService) {
         self.identityService = identityService
         identity = identityService.identity
+        timelineViewModel = StatusesViewModel(statusListService: identityService.service(timeline: .home))
         identityService.$identity.dropFirst().assign(to: &$identity)
 
         identityService.recentIdentitiesObservation()

iOS/Views/TabNavigationView.swift

@@ -40,7 +40,7 @@ private extension TabNavigationView {
     func view(tab: TabNavigationViewModel.Tab) -> some View {
         switch tab {
         case .timelines:
-            TimelineView()
+            StatusesView(viewModel: viewModel.timelineViewModel)
                 .navigationBarTitle(viewModel.identity.handle, displayMode: .inline)
                 .navigationBarItems(
                     leading: Button {

macOS/View Models/SidebarNavigationViewModel.swift

@@ -5,6 +5,7 @@ import Combine
 
 class SidebarNavigationViewModel: ObservableObject {
     @Published private(set) var identity: Identity
+    @Published private(set) var timelineViewModel: StatusesViewModel
     @Published var alertItem: AlertItem?
     var selectedTab: Tab? = .timelines
 
@@ -14,6 +15,7 @@ class SidebarNavigationViewModel: ObservableObject {
     init(identityService: IdentityService) {
         self.identityService = identityService
         identity = identityService.identity
+        timelineViewModel = StatusesViewModel(statusListService: identityService.service(timeline: .home))
         identityService.$identity.dropFirst().assign(to: &$identity)
     }
 }

macOS/Views/SidebarNavigationView.swift

@@ -39,7 +39,7 @@ private extension SidebarNavigationView {
         Group {
             switch topLevelNavigation {
             case .timelines:
-                TimelineView()
+                StatusesView(viewModel: viewModel.timelineViewModel)
             default: Text(topLevelNavigation.title)
             }
         }