add parseVcard api

DcCore/DcCore.xcodeproj/project.pbxproj

@@ -27,6 +27,7 @@
 		30E8F24D2449D30200CE2C90 /* DcColors.swift in Sources */ = {isa = PBXBuildFile; fileRef = 30E8F24C2449D30200CE2C90 /* DcColors.swift */; };
 		78072F172A040ED800EB7C98 /* libdeltachat.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 78072F162A040ED800EB7C98 /* libdeltachat.a */; };
 		7871729629BA495200F110DC /* SystemConfiguration.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 7871729529BA495200F110DC /* SystemConfiguration.framework */; };
+		B2F691252C0790140010D9B1 /* DcVcard.swift in Sources */ = {isa = PBXBuildFile; fileRef = B2F691242C0790140010D9B1 /* DcVcard.swift */; };
 		D8BBF0032B57D8E5008C96FD /* DcAccount.swift in Sources */ = {isa = PBXBuildFile; fileRef = D8BBF0022B57D8E5008C96FD /* DcAccount.swift */; };
 		D8BBF0052B57D904008C96FD /* DcContext.swift in Sources */ = {isa = PBXBuildFile; fileRef = D8BBF0042B57D904008C96FD /* DcContext.swift */; };
 		D8BBF0072B57D91B008C96FD /* DcEventEmitter.swift in Sources */ = {isa = PBXBuildFile; fileRef = D8BBF0062B57D91B008C96FD /* DcEventEmitter.swift */; };
@@ -68,6 +69,7 @@
 		7827C8882A04089900B8470D /* libraries */ = {isa = PBXFileReference; lastKnownFileType = folder; name = libraries; path = "../deltachat-ios/libraries"; sourceTree = "<group>"; };
 		7827C88A2A0408A700B8470D /* libdeltachat.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libdeltachat.a; path = "../deltachat-ios/libraries/deltachat-core-rust/libdeltachat.a"; sourceTree = "<group>"; };
 		7871729529BA495200F110DC /* SystemConfiguration.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SystemConfiguration.framework; path = Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk/System/Library/Frameworks/SystemConfiguration.framework; sourceTree = DEVELOPER_DIR; };
+		B2F691242C0790140010D9B1 /* DcVcard.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DcVcard.swift; sourceTree = "<group>"; };
 		D8BBF0022B57D8E5008C96FD /* DcAccount.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DcAccount.swift; sourceTree = "<group>"; };
 		D8BBF0042B57D904008C96FD /* DcContext.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DcContext.swift; sourceTree = "<group>"; };
 		D8BBF0062B57D91B008C96FD /* DcEventEmitter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DcEventEmitter.swift; sourceTree = "<group>"; };
@@ -142,6 +144,7 @@
 				D8BBF0102B57D96F008C96FD /* DcMsg.swift */,
 				D8BBF0182B57D9AE008C96FD /* DcProvider.swift */,
 				D8BBF01A2B57D9BE008C96FD /* DcReaction.swift */,
+				B2F691242C0790140010D9B1 /* DcVcard.swift */,
 				30421985243F209E00516852 /* events.swift */,
 				30421961243E26C800516852 /* Logger.swift */,
 				3042194E243DE15D00516852 /* wrapper.c */,
@@ -318,6 +321,7 @@
 				D8BBF0132B57D97B008C96FD /* DcContact.swift in Sources */,
 				D8BBF0112B57D96F008C96FD /* DcMsg.swift in Sources */,
 				D8BBF00B2B57D93D008C96FD /* DcChatlist.swift in Sources */,
+				B2F691252C0790140010D9B1 /* DcVcard.swift in Sources */,
 				D8BBF0052B57D904008C96FD /* DcContext.swift in Sources */,
 				D8BBF0172B57D99F008C96FD /* DcBackupProvider.swift in Sources */,
 				304F5E41244F2F3200462538 /* UIImage+Extensions.swift in Sources */,

deltachat-ios/Chat/ChatViewController.swift

@@ -2120,8 +2120,11 @@ extension ChatViewController {
     }
 
     func didTapVcard(msg: DcMsg) {
-        let name = "foo bar"
-        let alert = UIAlertController(title: String.localizedStringWithFormat(String.localized("ask_start_chat_with"), name), message: nil, preferredStyle: .safeActionSheet)
+        guard let file = msg.file else { return }
+        guard let vcards = dcContext.parseVcard(path: file) else { return }
+        guard let vcard = vcards.first else { return }
+
+        let alert = UIAlertController(title: String.localizedStringWithFormat(String.localized("ask_start_chat_with"), vcard.displayName), message: nil, preferredStyle: .safeActionSheet)
         alert.addAction(UIAlertAction(title: String.localized("start_chat"), style: .default, handler: { _ in
         }))
         alert.addAction(UIAlertAction(title: String.localized("cancel"), style: .cancel, handler: nil))

deltachat-ios/DC/DcContext.swift

@@ -388,6 +388,23 @@ public class DcContext {
         }
     }
 
+    public func parseVcard(path: String) -> [DcVcardContact]? {
+        if let data = DcAccounts.shared.blockingCall(method: "parse_vcard", params: [path as AnyObject]) {
+            do {
+                return try JSONDecoder().decode(DcVcardContactResult.self, from: data).result
+            } catch {
+                logger.error("cannot parse vcard: \(error)")
+            }
+        }
+        return nil
+    }
+
+    public func importVcard(path: String) -> [Int]? {
+        DcAccounts.shared.blockingCall(method: "import_vcard", params: [path as AnyObject])
+        return nil
+    }
+
+
     public func deleteMessage(msgId: Int) {
         dc_delete_msgs(contextPointer, [UInt32(msgId)], 1)
     }

deltachat-ios/DC/DcVcard.swift

@@ -0,0 +1,25 @@
+import Foundation
+
+public struct DcVcardContact: Decodable {
+    /// Email address.
+    public let addr: String
+
+    /// The contact's name, or the email address if no name was given.
+    public let displayName: String
+
+    /// Public PGP key in Base64.
+    public let key: String?
+
+    /// Profile image in Base64.
+    public let profileImage: String?
+
+    /// Contact color as hex string.
+    public let color: String
+
+    // Last update timestamp.
+    public let timestamp: Int64
+}
+
+struct DcVcardContactResult: Decodable {
+    let result: [DcVcardContact]
+}