Organize everything into operations

kordophone/Bridge/Operations/MBIMBridgeOperation.h

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+//
+//  MBIMBridgeOperation.h
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <GCDWebServers/GCDWebServers.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MBIMBridgeOperation : NSOperation
+@property (class, nonatomic, readonly) NSString *endpointName;
+
+@property (nonatomic, readonly) GCDWebServerRequest *request;
+@property (nonatomic, readonly) GCDWebServerCompletionBlock serverCompletionBlock;
+
++ (nullable Class)operationClassForEndpointName:(NSString *)endpointName;
+- (instancetype)initWithRequest:(GCDWebServerRequest *)request completion:(GCDWebServerCompletionBlock)completionBlock;
+
+@end
+
+NS_ASSUME_NONNULL_END

kordophone/Bridge/Operations/MBIMBridgeOperation.m

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+//
+//  MBIMBridgeOperation.m
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "MBIMBridgeOperation.h"
+
+@interface MBIMBridgeOperation (/*INTERNAL*/)
+@property (nonatomic, copy)   GCDWebServerCompletionBlock serverCompletionBlock;
+@property (nonatomic, strong) GCDWebServerRequest        *request;
+@end
+
+@implementation MBIMBridgeOperation
+
++ (NSString *)endpointName
+{
+    // To be inplemented by subclasses
+    return @"__unimplemented__";
+}
+
++ (NSMutableDictionary *)_operationClassMapping
+{
+    static dispatch_once_t onceToken;
+    static NSMutableDictionary *operationClassMapping = nil;
+    dispatch_once(&onceToken, ^{
+        operationClassMapping = [[NSMutableDictionary alloc] init];
+    });
+    
+    return operationClassMapping;
+}
+
++ (void)load
+{
+    if ([self class] != [MBIMBridgeOperation class]) {
+        [[self _operationClassMapping] setObject:[self class] forKey:[self endpointName]];
+    }
+}
+
++ (nullable Class)operationClassForEndpointName:(NSString *)endpointName
+{
+    return [[self _operationClassMapping] objectForKey:endpointName];
+}
+
+- (instancetype)initWithRequest:(GCDWebServerRequest *)request completion:(GCDWebServerCompletionBlock)completionBlock
+{
+    self = [super init];
+    if (self) {
+        self.request = request;
+        self.serverCompletionBlock = completionBlock;
+    }
+    
+    return self;
+}
+
+@end

kordophone/Bridge/Operations/MBIMConversationListOperation.h

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+//
+//  MBIMConversationListOperation.h
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "MBIMBridgeOperation.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MBIMConversationListOperation : MBIMBridgeOperation
+
+@end
+
+NS_ASSUME_NONNULL_END

kordophone/Bridge/Operations/MBIMConversationListOperation.m

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+//
+//  MBIMConversationListOperation.m
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "MBIMConversationListOperation.h"
+
+#import <IMCore/IMCore.h>
+
+@implementation MBIMConversationListOperation
+
++ (void)load { [super load]; }
+
++ (NSString *)endpointName
+{
+    return @"conversations";
+}
+
+- (void)main
+{
+    NSArray<IMChat *> *chats = [sChatRegistry allExistingChats];
+    
+    NSMutableArray *conversations = [NSMutableArray array];
+    for (IMChat *chat in chats) {
+        NSMutableDictionary *chatDict = [NSMutableDictionary dictionary];
+        chatDict[@"guid"] = [chat guid];
+        chatDict[@"displayName"] = [chat displayName];
+        chatDict[@"date"] = GCDWebServerFormatRFC822([chat lastFinishedMessageDate]);
+        
+        [conversations addObject:chatDict];
+    }
+    
+    GCDWebServerResponse *response = [GCDWebServerDataResponse responseWithJSONObject:conversations];
+    self.serverCompletionBlock(response);
+}
+
+@end

kordophone/Bridge/Operations/MBIMMessagesListOperation.h

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+//
+//  MBIMMessagesListOperation.h
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "MBIMBridgeOperation.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MBIMMessagesListOperation : MBIMBridgeOperation
+
+@end
+
+NS_ASSUME_NONNULL_END

kordophone/Bridge/Operations/MBIMMessagesListOperation.m

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+//
+//  MBIMMessagesListOperation.m
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "MBIMMessagesListOperation.h"
+
+#import <IMCore/IMCore.h>
+
+@implementation MBIMMessagesListOperation
+
++ (void)load { [super load]; }
+
++ (NSString *)endpointName
+{
+    return @"messages";
+}
+
+- (void)main
+{
+    GCDWebServerResponse *response = nil;
+    do {
+        NSURLComponents *urlComponents = [NSURLComponents componentsWithURL:[self.request URL] resolvingAgainstBaseURL:NO];
+        
+        NSString *guid = nil;
+        for (NSURLQueryItem *queryItem in [urlComponents queryItems]) {
+            if ([[queryItem name] isEqualToString:@"guid"]) {
+                guid = [queryItem value];
+                break;
+            }
+        }
+        
+        if (!guid) {
+            NSLog(@"No query item provided");
+            response = [GCDWebServerDataResponse responseWithStatusCode:500];
+            break;
+        }
+        
+        IMChat *chat = [sChatRegistry existingChatWithGUID:guid];
+        if (!chat) {
+            NSLog(@"Chat with guid: %@ not found", guid);
+            response = [GCDWebServerDataResponse responseWithStatusCode:500];
+            break;
+        }
+        
+        // Load messages
+        [chat loadMessagesBeforeDate:[NSDate date] limit:50 loadImmediately:YES];
+        
+        NSMutableArray *messages = [NSMutableArray array];
+        for (IMMessageItem *imMessage in [[chat chatItems] messages]) {
+            NSMutableDictionary *messageDict = [NSMutableDictionary dictionary];
+            messageDict[@"text"] = [[imMessage body] string];
+            messageDict[@"date"] = GCDWebServerFormatRFC822([imMessage time]);
+            messageDict[@"sender"] = [imMessage sender];
+            [messages addObject:messageDict];
+        }
+        
+        response = [GCDWebServerDataResponse responseWithJSONObject:messages];
+    } while (0);
+    
+    self.serverCompletionBlock(response);
+}
+
+@end

kordophone/Bridge/Operations/MBIMSendMessageOperation.h

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+//
+//  MBIMSendMessageOperation.h
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "MBIMBridgeOperation.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MBIMSendMessageOperation : MBIMBridgeOperation
+
+@end
+
+NS_ASSUME_NONNULL_END

kordophone/Bridge/Operations/MBIMSendMessageOperation.m

@@ -0,0 +1,63 @@
+//
+//  MBIMSendMessageOperation.m
+//  kordophoned
+//
+//  Created by James Magahern on 11/13/18.
+//  Copyright © 2018 James Magahern. All rights reserved.
+//
+
+#import "MBIMSendMessageOperation.h"
+
+#import <IMCore/IMCore.h>
+#import <IMCore/IMCore_Private.h>
+
+@implementation MBIMSendMessageOperation
+
++ (void)load { [super load]; }
+
++ (NSString *)endpointName
+{
+    return @"sendMessage";
+}
+
+- (BOOL)_sendMessage:(NSString *)messageBody toChatWithGUID:(NSString *)chatGUID
+{
+    IMAccount *iMessageAccount = [[IMAccountController sharedInstance] bestAccountForService:[IMServiceImpl iMessageService]];
+    IMHandle *handle = [[iMessageAccount arrayOfAllIMHandles] firstObject];
+    
+    NSAttributedString *replyAttrString = [[NSAttributedString alloc] initWithString:messageBody];
+    IMMessage *reply = [IMMessage fromMeIMHandle:handle withText:replyAttrString fileTransferGUIDs:@[] flags:kIMMessageFinished];
+    
+    IMChat *chat = [sChatRegistry existingChatWithGUID:chatGUID];
+    if (!chat) {
+        NSLog(@"Chat does not exist: %@", chatGUID);
+        return NO;
+    }
+    
+    [chat sendMessage:reply];
+    
+    return YES;
+}
+
+- (void)main
+{
+    assert([self.request isKindOfClass:[GCDWebServerURLEncodedFormRequest class]]);
+    
+    GCDWebServerURLEncodedFormRequest *formRequest = (GCDWebServerURLEncodedFormRequest *)self.request;
+    NSDictionary *args = [formRequest arguments];
+    
+    NSString *guid = [args objectForKey:@"guid"];
+    NSString *messageBody = [args objectForKey:@"body"];
+    BOOL result = [self _sendMessage:messageBody toChatWithGUID:guid];
+    
+    GCDWebServerResponse *response = nil;
+    if (result) {
+        response = [GCDWebServerDataResponse responseWithStatusCode:200];
+    } else {
+        response = [GCDWebServerDataResponse responseWithStatusCode:500];
+    }
+    
+    self.serverCompletionBlock(response);
+}
+
+@end