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//
// APIClient.m
// Juick
//
// Created by Vitaly Takmazov on 22/08/16.
// Copyright © 2016 com.juick. All rights reserved.
//
#import "APIClient.h"
#import "Message.h"
#import "Chat.h"
@interface APIClient()
@property(nonatomic, readwrite) AFHTTPSessionManager *manager;
@property(nonatomic, strong) NSOperationQueue *backgroundQueue;
@property(nonatomic, strong) NSURLSession *urlSession;
@end
@implementation APIClient
+(APIClient *) sharedClient {
static APIClient *sharedAPIClient = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedAPIClient = [[self alloc] init];
});
return sharedAPIClient;
}
-(id)init {
if (self = [super init]) {
NSString *baseURLString = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"base_url"];
NSLog(@"Initializing with %@ base URL", baseURLString);
_manager = [[AFHTTPSessionManager alloc] initWithBaseURL:[NSURL URLWithString:baseURLString]];
_manager.requestSerializer = [AFJSONRequestSerializer new];
[_manager.requestSerializer setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData];
self.backgroundQueue = [NSOperationQueue new];
self.dateFormatter = [[NSDateFormatter alloc] init];
self.dateFormatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";
[self.dateFormatter setTimeZone:[NSTimeZone timeZoneWithName:@"UTC"]];
_urlSession = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
}
return self;
}
-(AFHTTPSessionManager *) manager {
NSString *username = [SAMKeychain passwordForService:[[NSBundle mainBundle] bundleIdentifier] account:@"com.juick.username"];
if (username) {
[_manager.requestSerializer
setAuthorizationHeaderFieldWithUsername:username
password:[SAMKeychain passwordForService:[[NSBundle mainBundle] bundleIdentifier] account:@"com.juick.password"]];
}
return _manager;
}
-(void) pullNextFromPath:(NSString *)path params:(NSDictionary *) params callback:(void(^)(NSArray<Message *> *, NSError *))callback {
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1f * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self.backgroundQueue addOperationWithBlock:^{
[self.manager GET:path parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSInteger statusCode = [((NSHTTPURLResponse *) task.response) statusCode];
if (statusCode == 200) {
NSMutableArray *messages = [NSMutableArray new];
[((NSArray *)responseObject) enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[messages addObject:[Message fromJSON:obj]];
}];
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(messages, nil);
}];
} else {
callback(nil, [NSError errorWithDomain:@"JuickErrorDomain" code:statusCode userInfo:nil]);
}
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"REST Error: %@", error);
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
NSInteger statusCode = ((NSHTTPURLResponse *)task.response).statusCode;
callback(nil, [NSError errorWithDomain:@"JuickErrorDomain" code:statusCode userInfo:nil]);
}];
}];
}];
});
}
-(void) postMessage:(NSString *)text result:(void (^)(Message *, NSError *))callback {
[self.backgroundQueue addOperationWithBlock:^{
[self.manager POST:@"post" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) {
[formData appendPartWithFormData:[text dataUsingEncoding:NSUTF8StringEncoding] name:@"body"];
} progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSLog(@"Success!");
Message *result = [Message fromJSON:responseObject];
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(result, nil);
}];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"Error: %@", [error localizedDescription]);
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(nil, error);
}];
}];
}];
}
-(void) postReplyToThread:(NSNumber *)mid inReplyTo:(NSNumber *)rid text:(NSString *)text result:(void(^)(Message *, NSError *))callback {
[self.backgroundQueue addOperationWithBlock:^{
[self.manager POST:@"comment" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) {
[formData appendPartWithFormData:[[mid stringValue] dataUsingEncoding:NSUTF8StringEncoding] name:@"mid"];
[formData appendPartWithFormData:[[NSString stringWithFormat:@"%d", [rid intValue]] dataUsingEncoding:NSUTF8StringEncoding] name:@"rid"];
[formData appendPartWithFormData:[text dataUsingEncoding:NSUTF8StringEncoding] name:@"body"];
} progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSLog(@"Success!");
Message *reply = [Message fromJSON:responseObject];
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(reply, nil);
}];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"Error: %@", [error localizedDescription]);
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(nil, error);
}];
}];
}];
}
-(void) postPMToUser:(NSString *)uname text:(NSString *)text result:(void (^)(NSError *))callback {
[self.backgroundQueue addOperationWithBlock:^{
[self.manager POST:@"pm" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) {
[formData appendPartWithFormData:[text dataUsingEncoding:NSUTF8StringEncoding] name:@"body"];
[formData appendPartWithFormData:[uname dataUsingEncoding:NSUTF8StringEncoding] name:@"uname"];
} progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(nil);
}];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"Error: %@", [error localizedDescription]);
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(error);
}];
}];
}];
}
-(void) fetchChats:(void (^)(NSArray *, NSError *))callback {
[self.backgroundQueue addOperationWithBlock:^{
[self.manager GET:@"groups_pms" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSMutableArray *groups = [NSMutableArray new];
NSArray *pms = [(NSDictionary *)responseObject objectForKey:@"pms"];
[pms enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[groups addObject:[Chat fromJSON:obj]];
}];
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(groups, nil);
}];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"Error: %@", [error localizedDescription]);
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(nil, error);
}];
}];
}];
}
-(void) fetchChatWithUser:(NSString *)uname callback:(void (^)(NSArray *, NSError *))callback {
NSDictionary *params = @{@"uname": uname};
[self.backgroundQueue addOperationWithBlock:^{
[self.manager GET:@"pm" parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSMutableArray *messages = [NSMutableArray new];
NSArray *messagesList = (NSArray *)responseObject;
[messagesList enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[messages addObject:[Message fromJSON:obj]];
}];
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(messages, nil);
}];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"Error: %@", [error localizedDescription]);
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(nil, error);
}];
}];
}];
}
-(void) authenticate:(void (^)(User *user, NSError *error))callback {
[self.manager GET:@"me" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSString *username = [SAMKeychain passwordForService:[[NSBundle mainBundle] bundleIdentifier] account:@"com.juick.username"];
NSString *password = [SAMKeychain passwordForService:[[NSBundle mainBundle] bundleIdentifier] account:@"com.juick.password"];
[self.manager.requestSerializer setAuthorizationHeaderFieldWithUsername:username password:password];
callback([User fromJSON:responseObject], nil);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
[self.manager.requestSerializer clearAuthorizationHeader];
callback(nil, error);
}];
}
-(void) getUserByName:(NSString *) name callback:(void(^)(User *))callback {
NSDictionary *params = @{@"uname": name};
[self.manager GET:@"users" parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
callback([User fromJSON:[(NSArray *)responseObject firstObject]]);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
callback(nil);
}];
}
-(void) refreshDeviceRegistration:(DeviceRegistration *)registrationData callback:(void (^)(BOOL))callback {
[self.manager PUT:@"/notifications" parameters:@[[registrationData toJSON]] success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
callback(YES);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"fail %@", [error localizedDescription]);
callback(NO);
} ];
}
-(BOOL) isAuthenticated {
NSString *password = [SAMKeychain passwordForService:[[NSBundle mainBundle] bundleIdentifier] account:@"com.juick.password"];
return password != nil;
}
- (void)fetchImageWithURL:(NSURL *)url callback:(void (^)(NSData *))callback {
NSURLSessionDataTask *dataTask = [self.urlSession dataTaskWithURL:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
callback(data);
}];
}];
[self.backgroundQueue addOperationWithBlock:^{
[dataTask resume];
}];
}
+(NSString *) messagesUrl {
return @"messages";
}
+(NSString *) discussionsUrl {
return @"messages/discussions";
}
+(NSString *) threadUrl {
return @"thread";
}
+(NSString *) feedUrl {
return @"home";
}
@end
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