Target SiriIntents: Split IntentHandler into smaller files (#6203)

SiriIntents/ContactResolver/ContactResolver.h

@@ -0,0 +1,26 @@
+// 
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#import <Foundation/Foundation.h>
+#import "GeneratedInterface-Swift.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface ContactResolver: NSObject <ContactResolving>
+
+@end
+
+NS_ASSUME_NONNULL_END

SiriIntents/ContactResolver/ContactResolver.m

@@ -0,0 +1,177 @@
+// 
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#import "ContactResolver.h"
+@import Intents;
+#import "MXKAccountManager.h"
+
+@implementation ContactResolver
+
+- (void)resolveContacts:(nullable NSArray<INPerson *> *)contacts
+         withCompletion:(void (^)(NSArray<INPersonResolutionResult *> * _Nonnull))completion
+{
+    if (contacts.count == 0)
+    {
+        completion(@[[INPersonResolutionResult needsValue]]);
+        return;
+    }
+    else
+    {
+        // We don't iterate over array of contacts from passed intent
+        // since it's hard to imagine scenario with several callee
+        // so we just extract the first one
+        INPerson *callee = contacts.firstObject;
+
+        // If this method is called after selection of the appropriate user, it will hold userId of an user to whom we must call
+        NSString *selectedUserId;
+
+        // Check if the user has selected right room among several direct rooms from previous resolution process run
+        if (callee.customIdentifier.length)
+        {
+            // If callee will have the same name as one of the contact in the system contacts app
+            // Siri will pass us this contact in the intent.contacts array and we must provide the same count of
+            // resolution results as elements count in the intent.contact.
+            // So we just pass the same result at all iterations
+            NSMutableArray *resolutionResults = [NSMutableArray array];
+            for (NSInteger i = 0; i < contacts.count; ++i)
+                [resolutionResults addObject:[INPersonResolutionResult successWithResolvedPerson:callee]];
+            completion(resolutionResults);
+            return;
+        }
+        else
+        {
+            // This resolution process run after selecting appropriate user among suggested user list
+            selectedUserId = callee.personHandle.value;
+        }
+
+        MXKAccount *account = [MXKAccountManager sharedManager].activeAccounts.firstObject;
+        if (account)
+        {
+            MXFileStore *fileStore = [[MXFileStore alloc] initWithCredentials:account.mxCredentials];
+            [fileStore.roomSummaryStore fetchAllSummaries:^(NSArray<id<MXRoomSummaryProtocol>> * _Nonnull summaries) {
+
+                // Contains userIds of all users with whom the current user has direct chats
+                // Use set to avoid duplicates
+                NSMutableSet<NSString *> *directUserIds = [NSMutableSet set];
+
+                // Contains room summaries for all direct rooms connected with particular userId
+                NSMutableDictionary<NSString *, NSMutableArray<id<MXRoomSummaryProtocol>> *> *roomSummaries = [NSMutableDictionary dictionary];
+
+                for (id<MXRoomSummaryProtocol> summary in summaries)
+                {
+                    // TODO: We also need to check if joined room members count equals 2
+                    // It is pointlessly to save rooms with 1 joined member or room with more than 2 joined members
+                    if (summary.isDirect)
+                    {
+                        NSString *directUserId = summary.directUserId;
+
+                        // Collect room summaries only for specified user
+                        if (selectedUserId && ![directUserId isEqualToString:selectedUserId])
+                            continue;
+
+                        // Save userId
+                        [directUserIds addObject:directUserId];
+
+                        // Save associated with diretUserId room summary
+                        NSMutableArray<id<MXRoomSummaryProtocol>> *userRoomSummaries = roomSummaries[directUserId];
+                        if (userRoomSummaries)
+                            [userRoomSummaries addObject:summary];
+                        else
+                            roomSummaries[directUserId] = [NSMutableArray arrayWithObject:summary];
+                    }
+                }
+
+                [fileStore asyncUsersWithUserIds:directUserIds.allObjects success:^(NSArray<MXUser *> * _Nonnull users) {
+
+                    // Find users whose display name contains string presented us by Siri
+                    NSMutableArray<MXUser *> *matchingUsers = [NSMutableArray array];
+                    for (MXUser *user in users)
+                    {
+                        if (!user.displayname)
+                            continue;
+
+                        if (!NSEqualRanges([callee.displayName rangeOfString:user.displayname options:NSCaseInsensitiveSearch], (NSRange){NSNotFound,0}))
+                        {
+                            [matchingUsers addObject:user];
+                        }
+                    }
+
+                    NSMutableArray<INPerson *> *persons = [NSMutableArray array];
+
+                    if (matchingUsers.count == 1)
+                    {
+                        MXUser *user = matchingUsers.firstObject;
+
+                        // Provide to the user a list of direct rooms to choose from
+                        NSArray<id<MXRoomSummaryProtocol>> *summaries = roomSummaries[user.userId];
+                        for (id<MXRoomSummaryProtocol> summary in summaries)
+                        {
+                            INPersonHandle *personHandle = [[INPersonHandle alloc] initWithValue:user.userId type:INPersonHandleTypeUnknown];
+
+                            // For rooms we try to use room display name
+                            NSString *displayName = summary.displayname ? summary.displayname : user.displayname;
+
+                            INPerson *person = [[INPerson alloc] initWithPersonHandle:personHandle
+                                                                       nameComponents:nil
+                                                                          displayName:displayName
+                                                                                image:nil
+                                                                    contactIdentifier:nil
+                                                                     customIdentifier:summary.roomId];
+
+                            [persons addObject:person];
+                        }
+                    }
+                    else if (matchingUsers.count > 1)
+                    {
+                        // Provide to the user a list of users to choose from
+                        // This is the case when there are several users with the same name
+                        for (MXUser *user in matchingUsers)
+                        {
+                            INPersonHandle *personHandle = [[INPersonHandle alloc] initWithValue:user.userId type:INPersonHandleTypeUnknown];
+                            INPerson *person = [[INPerson alloc] initWithPersonHandle:personHandle
+                                                                       nameComponents:nil
+                                                                          displayName:user.displayname
+                                                                                image:nil
+                                                                    contactIdentifier:nil
+                                                                     customIdentifier:nil];
+
+                            [persons addObject:person];
+                        }
+                    }
+
+                    if (persons.count == 0)
+                    {
+                        completion(@[[INPersonResolutionResult unsupported]]);
+                    }
+                    else if (persons.count == 1)
+                    {
+                        completion(@[[INPersonResolutionResult successWithResolvedPerson:persons.firstObject]]);
+                    }
+                    else
+                    {
+                        completion(@[[INPersonResolutionResult disambiguationWithPeopleToDisambiguate:persons]]);
+                    }
+                } failure:nil];
+            }];
+        }
+        else
+        {
+            completion(@[[INPersonResolutionResult notRequired]]);
+        }
+    }
+}
+
+@end

SiriIntents/ContactResolver/ContactResolving.swift

@@ -0,0 +1,22 @@
+// 
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Intents
+
+@objc protocol ContactResolving {
+    func resolveContacts(_ contacts: [INPerson]?,
+                         withCompletion completion: @escaping ([INPersonResolutionResult]) -> Void)
+}