Allow Pleroma instances to exceed Mastodon attachment limits

Closes #35

Pachyderm/Utilities/InstanceType.swift

@@ -0,0 +1,24 @@
+//
+//  InstanceType.swift
+//  Pachyderm
+//
+//  Created by Shadowfacts on 9/11/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+
+public enum InstanceType {
+    case mastodon, pleroma
+}
+
+public extension Instance {
+    var instanceType: InstanceType {
+        let lowercased = version.lowercased()
+        if lowercased.contains("pleroma") {
+            return .pleroma
+        } else {
+            return .mastodon
+        }
+    }
+}

Tusker.xcodeproj/project.pbxproj

@@ -103,6 +103,7 @@
 		D663626C21361C6700C9CBA2 /* Account+Preferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663626B21361C6700C9CBA2 /* Account+Preferences.swift */; };
 		D66362712136338600C9CBA2 /* ComposeViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66362702136338600C9CBA2 /* ComposeViewController.swift */; };
 		D66362752137068A00C9CBA2 /* Visibility+Helpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66362742137068A00C9CBA2 /* Visibility+Helpers.swift */; };
+		D667383C23299340000A2373 /* InstanceType.swift in Sources */ = {isa = PBXBuildFile; fileRef = D667383B23299340000A2373 /* InstanceType.swift */; };
 		D667E5E12134937B0057A976 /* StatusTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D667E5E02134937B0057A976 /* StatusTableViewCell.xib */; };
 		D667E5E721349D4C0057A976 /* ProfileTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D667E5E621349D4C0057A976 /* ProfileTableViewController.swift */; };
 		D667E5E921349EE50057A976 /* ProfileHeaderTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D667E5E821349EE50057A976 /* ProfileHeaderTableViewCell.xib */; };
@@ -348,6 +349,7 @@
 		D663626B21361C6700C9CBA2 /* Account+Preferences.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Account+Preferences.swift"; sourceTree = "<group>"; };
 		D66362702136338600C9CBA2 /* ComposeViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeViewController.swift; sourceTree = "<group>"; };
 		D66362742137068A00C9CBA2 /* Visibility+Helpers.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Visibility+Helpers.swift"; sourceTree = "<group>"; };
+		D667383B23299340000A2373 /* InstanceType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InstanceType.swift; sourceTree = "<group>"; };
 		D667E5E02134937B0057A976 /* StatusTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = StatusTableViewCell.xib; sourceTree = "<group>"; };
 		D667E5E621349D4C0057A976 /* ProfileTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileTableViewController.swift; sourceTree = "<group>"; };
 		D667E5E821349EE50057A976 /* ProfileHeaderTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = ProfileHeaderTableViewCell.xib; sourceTree = "<group>"; };
@@ -947,6 +949,7 @@
 				D6E6F26221603F8B006A8599 /* CharacterCounter.swift */,
 				D6A3BC7323218C6E00FD64D5 /* TimelineSegment.swift */,
 				D6A3BC7823218E9200FD64D5 /* NotificationGroup.swift */,
+				D667383B23299340000A2373 /* InstanceType.swift */,
 			);
 			path = Utilities;
 			sourceTree = "<group>";
@@ -1428,6 +1431,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				D61099E5214561AB00432DC2 /* Application.swift in Sources */,
+				D667383C23299340000A2373 /* InstanceType.swift in Sources */,
 				D61099FF21456A4C00432DC2 /* Status.swift in Sources */,
 				D61099E32144C38900432DC2 /* Emoji.swift in Sources */,
 				D6109A0D214599E100432DC2 /* RequestRange.swift in Sources */,

Tusker/Screens/Compose/ComposeViewController.swift

@@ -283,7 +283,12 @@ class ComposeViewController: UIViewController {
     }
     
     func updateAddAttachmentButton() {
-        addAttachmentButton.isEnabled = selectedAssets.count < 5 // 4 attachments + 1 button
+        switch MastodonController.instance.instanceType {
+        case .pleroma:
+            addAttachmentButton.isEnabled = true
+        case .mastodon:
+            addAttachmentButton.isEnabled = selectedAssets.count <= 4 && selectedAssets.first(where: { $0.mediaType == .video }) == nil
+        }
     }
     
     func updateAttachmentViews() {
@@ -311,7 +316,6 @@ class ComposeViewController: UIViewController {
     }
     
     func saveDraft() {
-        // TODO: save CW to draft
         var attachments = [DraftsManager.DraftAttachment]()
         for asset in selectedAssets {
             let index = attachments.count
@@ -559,7 +563,15 @@ extension ComposeViewController: GMImagePickerControllerDelegate {
     }
     
     func assetsPickerController(_ picker: GMImagePickerController!, shouldSelect asset: PHAsset!) -> Bool {
-        return selectedAssets.count + picker.selectedAssets.count < 4
+        switch MastodonController.instance.instanceType {
+        case .pleroma:
+            return true
+        case .mastodon:
+            if (asset.mediaType == .video && selectedAssets.count > 0) || selectedAssets.first(where: { $0.mediaType == .video }) != nil {
+                return false
+            }
+            return selectedAssets.count + picker.selectedAssets.count < 4
+        }
     }
 }