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//
// Query.m
// Contentstack
//
// Created by Reefaq on 22/06/15.
// Copyright (c) 2015 Contentstack. All rights reserved.
//
#import "Query.h"
#import "ISO8601DateFormatter.h"
#import "CSIOConstants.h"
#import "CSIOAPIURLs.h"
#import "QueryResult.h"
#import "ContentType.h"
#import "Taxonomy.h"
#import "CSIOInternalHeaders.h"
#import "NSObject+Extensions.h"
static NSString *kOR = @"$or";
static NSString *kAND = @"$and";
static NSString *kNOT = @"$not";
static NSString *kHAVING = @"$in_query";
static NSString *kNOT_HAVING = @"$nin_query";
@interface Query()
@property (nonatomic, strong) NSMutableDictionary* localHeaders;
@property (nonatomic, strong) NSMutableSet *requestOperationSet;
@end
@implementation Query
- (instancetype)initWithContentType:(ContentType*)contentType {
if (self = [super init]) {
_contentType = contentType;
_localHeaders = [NSMutableDictionary dictionary];
_queryDictionary = [NSMutableDictionary dictionary];
_requestOperationSet = [NSMutableSet set];
}
return self;
}
- (instancetype)initWithTaxonomy:(Taxonomy*)taxonomy {
if (self = [super init]) {
_taxonomy = taxonomy;
_localHeaders = [NSMutableDictionary dictionary];
_queryDictionary = [NSMutableDictionary dictionary];
_requestOperationSet = [NSMutableSet set];
}
return self;
}
//MARK: - Headers
- (void)setHeader:(NSString *)headerValue forKey:(NSString *)headerKey {
[self.localHeaders setObject:headerValue forKey:headerKey];
}
- (void)addHeadersWithDictionary:(NSDictionary<NSString *, NSString *> *)headers {
[headers enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
[self.localHeaders setObject:obj forKey:key];
}];
}
- (void)removeHeaderForKey:(NSString *)headerKey {
if (self.localHeaders[headerKey]) {
[self.localHeaders removeObjectForKey:headerKey];
}
}
//MARK: - Language -
- (void)language:(Language)language {
[self.queryDictionary setObject:[self localeCode:(NSUInteger)language] forKey:kCSIO_Locale];
}
- (void)locale:(NSString *)locale {
[self.queryDictionary setObject:locale forKey:kCSIO_Locale];
}
//MARK: - Search -
- (void)search:(NSString*)searchString {
// [self prepareQuerywithOperation:nil subKey:kCSIO_Typeahead forKey:kCSIO_Queryable withObject:searchString];
[self.queryDictionary setObject:searchString forKey:kCSIO_Typeahead];
}
//MARK: - Tags -
- (void)tags:(NSArray*)tagsArray {
for (id tags in tagsArray) {
if (![tags isKindOfClass:[NSString class]]) {
[NSException raise:@"Error" format:@"Found type other than String in tags. Tags must be collection of Strings."];
return;
}
}
[self.queryDictionary setObject:[tagsArray componentsJoinedByString:@","] forKey:kCSIO_Tags];
}
//MARK: - Query -
- (void)query:(NSDictionary *)query {
[self.queryDictionary setObject:query forKey:kCSIO_Queryable];
}
////MARK: - Before/After UID -
//- (void)beforeUID:(NSString *)uid {
// [self.queryDictionary setObject:uid forKey:kCSIO_BeforeUID];
//}
//
//- (void)afterUID:(NSString *)uid {
// [self.queryDictionary setObject:uid forKey:kCSIO_AfterUID];
//}
//MARK: - AND OR -
- (void)orWithSubqueries:(NSArray<Query *> *)queries {
[self prepareComplexQueryWithQueries:queries andOperation:kOR];
}
- (void)andWithSubqueries:(NSArray<Query *> *)queries {
[self prepareComplexQueryWithQueries:queries andOperation:kAND];
}
//MARK: - Sorting -
- (void)orderByAscending:(NSString *)key {
[self.queryDictionary setObject:key forKey:kCSIO_Ascending];
}
- (void)orderByDescending:(NSString *)key {
[self.queryDictionary setObject:key forKey:kCSIO_Descending];
}
//MARK: - Include -
- (void)objectsCount {
[self.queryDictionary setObject:@"true" forKey:kCSIO_Count];
}
- (void)includeContentType {
if ([self.queryDictionary valueForKey:kCSIO_IncludeSchema] != nil){
[self.queryDictionary removeObjectForKey:kCSIO_IncludeSchema];
}
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeContentType];
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeGlobalFields];
}
-(void)includeFallback {
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeFallback];
}
-(void)includeMetadata {
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeMetadata];
}
-(void)includeBranch {
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeBranch];
}
-(void)includeEmbeddedItems {
[self.queryDictionary setObject:@[kCSIO_BASE] forKey:kCSIO_IncludeEmbeddedItems];
}
- (void)includeReferenceContentTypeUid {
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeRefContentTypeUID];
}
- (void)includeOwner {
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeUser];
}
- (void)includeCount {
[self.queryDictionary setObject:@"true" forKey:kCSIO_IncludeCount];
}
//MARK: - Pagination -
- (void)limitObjects:(NSNumber *)number {
[self.queryDictionary setObject:number forKey:kCSIO_Limit];
}
- (void)skipObjects:(NSNumber *)number {
[self.queryDictionary setObject:number forKey:kCSIO_Skip];
}
//MARK: - Query Params -
- (void)addQueryWithKey:(NSString *)key andValue:(id)value {
[self.queryDictionary setObject:value forKey:key];
}
- (void)addQueryParams:(NSDictionary *)queryDict {
self.queryDictionary = [queryDict mutableCopy];
}
- (void)removeQueryWithKey:(NSString *)key {
[self.queryDictionary removeObjectForKey:key];
}
//MARK: - Conditions -
- (void)onlyFields:(NSArray<NSString *> *)fieldUIDs {
NSMutableArray *keybundle = [NSMutableArray array];
for (id keyname in fieldUIDs) {
[keybundle addObject:keyname];
}
if ([self.queryDictionary objectForKey:kCSIO_Only] != nil) {
[[self.queryDictionary objectForKey:kCSIO_Only] setObject:fieldUIDs forKey:kCSIO_BASE];
} else {
NSMutableDictionary *keySubDict = [NSMutableDictionary dictionary];
[keySubDict setObject:fieldUIDs forKey:kCSIO_BASE];
[self.queryDictionary setObject:keySubDict forKey:kCSIO_Only];
}
}
- (void)exceptFields:(NSArray *)fieldUIDs {
NSMutableArray *keybundle = [NSMutableArray array];
for (id keyname in fieldUIDs) {
[keybundle addObject:keyname];
}
if ([self.queryDictionary objectForKey:kCSIO_Except] != nil) {
[[self.queryDictionary objectForKey:kCSIO_Except] setObject:fieldUIDs forKey:kCSIO_BASE];
} else {
NSMutableDictionary *keySubDict = [NSMutableDictionary dictionary];
[keySubDict setObject:fieldUIDs forKey:kCSIO_BASE];
[self.queryDictionary setObject:keySubDict forKey:kCSIO_Except];
}
}
- (void)whereKey:(NSString *)key equalTo:(id)object {
[self prepareQuerywithOperation:nil subKey:key forKey:kCSIO_Queryable withObject:object];
}
- (void)whereKey:(NSString *)key notEqualTo:(id)object {
[self prepareQuerywithOperation:kCSIO_NotEqualTo subKey:key forKey:kCSIO_Queryable withObject:object];
}
- (void)whereKey:(NSString *)key lessThan:(id)object {
[self prepareQuerywithOperation:kCSIO_LessThan subKey:key forKey:kCSIO_Queryable withObject:object];
}
- (void)whereKey:(NSString *)key greaterThan:(id)object {
[self prepareQuerywithOperation:kCSIO_GreaterThan subKey:key forKey:kCSIO_Queryable withObject:object];
}
- (void)whereKey:(NSString *)key lessThanOrEqualTo:(id)object {
[self prepareQuerywithOperation:kCSIO_LessThanEqualTo subKey:key forKey:kCSIO_Queryable withObject:object];
}
- (void)whereKey:(NSString *)key greaterThanOrEqualTo:(id)object {
[self prepareQuerywithOperation:kCSIO_GreaterThanEqualTo subKey:key forKey:kCSIO_Queryable withObject:object];
}
- (void)whereKey:(NSString *)key containedIn:(NSArray *)array {
[self prepareQuerywithOperation:kCSIO_ContainedIn subKey:key forKey:kCSIO_Queryable withObject:array];
}
- (void)whereKey:(NSString *)key notContainedIn:(NSArray *)array {
[self prepareQuerywithOperation:kCSIO_NotContainedIn subKey:key forKey:kCSIO_Queryable withObject:array];
}
- (void)whereKeyExists:(NSString *)key {
NSMutableDictionary *subDict = [NSMutableDictionary dictionary];
[subDict setObject:@(YES) forKey:kCSIO_Exists];
[self prepareQuerywithOperation:nil subKey:key forKey:kCSIO_Queryable withObject:subDict];
}
- (void)whereKeyDoesNotExist:(NSString *)key {
NSMutableDictionary *subDict = [NSMutableDictionary dictionary];
[subDict setObject:@(NO) forKey:kCSIO_Exists];
[self prepareQuerywithOperation:nil subKey:key forKey:kCSIO_Queryable withObject:subDict];
}
- (void)whereKey:(NSString *)key matchesRegex:(NSString *)regex {
NSMutableDictionary *subDict = [NSMutableDictionary dictionary];
[subDict setObject:regex forKey:kCSIO_Regex];
[self prepareQuerywithOperation:nil subKey:key forKey:kCSIO_Queryable withObject:subDict];
}
- (void)whereKey:(NSString *)key matchesRegex:(NSString *)regex modifiers:(NSString *)modifier {
NSMutableDictionary *subDict = [NSMutableDictionary dictionary];
[subDict setObject:regex forKey:kCSIO_Regex];
[subDict setObject:modifier forKey:kCSIO_Options];
[self prepareQuerywithOperation:nil subKey:key forKey:kCSIO_Queryable withObject:subDict];
}
-(void)whereKey:(NSString *)key in:(Query *)query {
if ([query.queryDictionary valueForKey:kCSIO_Queryable] != nil) {
NSDictionary *queryDictionary = @{kCSIO_InQuery : [query.queryDictionary valueForKey:kCSIO_Queryable]};
[self prepareQuerywithOperation:nil subKey:key forKey:kCSIO_Queryable withObject:queryDictionary];
}
}
- (void)whereKey:(NSString *)key notIn:(Query *)query {
if ([query.queryDictionary valueForKey:kCSIO_Queryable] != nil) {
NSDictionary *queryDictionary = @{kCSIO_NotInQuery : [query.queryDictionary valueForKey:kCSIO_Queryable]};
[self prepareQuerywithOperation:nil subKey:key forKey:kCSIO_Queryable withObject:queryDictionary];
}
}
- (void)includeReferenceFieldWithKey:(NSArray *)key {
if ([self.queryDictionary objectForKey:kCSIO_Include] != nil) {
for (NSString *incKey in key)
[[self.queryDictionary objectForKey:kCSIO_Include] addObject:incKey];
} else {
NSMutableArray *arrayInclude = [NSMutableArray array];
[arrayInclude addObjectsFromArray:key];
[self.queryDictionary setObject:arrayInclude forKey:kCSIO_Include];
}
}
- (void)includeReferenceFieldWithKey:(NSString *)key onlyFields:(NSArray *)fieldUIDs {
[self includeReferenceFieldWithKey:[NSArray arrayWithObject:key]];
NSMutableArray *keyset = [NSMutableArray array];
for (id keyname in fieldUIDs) {
[keyset addObject:keyname];
}
if ([self.queryDictionary objectForKey:kCSIO_Only] != nil) {
[[self.queryDictionary objectForKey:kCSIO_Only] setObject:keyset forKey:key];
} else {
NSMutableDictionary *keySubDict = [NSMutableDictionary dictionary];
[keySubDict setObject:keyset forKey:key];
[self.queryDictionary setObject:keySubDict forKey:kCSIO_Only];
}
}
- (void)includeReferenceFieldWithKey:(NSString *)key excludingFields:(NSArray *)fieldUIDs {
[self includeReferenceFieldWithKey:[NSArray arrayWithObject:key]];
NSMutableArray *keyset = [NSMutableArray array];
for (id keyname in fieldUIDs) {
[keyset addObject:keyname];
}
if ([self.queryDictionary objectForKey:kCSIO_Except] != nil) {
[[self.queryDictionary objectForKey:kCSIO_Except] setObject:keyset forKey:key];
} else {
NSMutableDictionary *keySubDict = [NSMutableDictionary dictionary];
[keySubDict setObject:keyset forKey:key];
[self.queryDictionary setObject:keySubDict forKey:kCSIO_Except];
}
}
- (void)addParamKey:(NSString *)key andValue:(NSString *)value{
if (key != nil){
if ([self.queryDictionary objectForKey:key] != nil) {
[self.queryDictionary removeObjectForKey:key];
[self.queryDictionary setObject:value forKey:key];
} else {
[self.queryDictionary setObject:value forKey:key];
}
}
}
//MARK: - Helper -
- (void)prepareComplexQueryWithQueries:(NSArray *)queries andOperation:(NSString *)operation {
NSMutableArray *queriesArray = [NSMutableArray array];
[queries enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
Query *query = (Query *)obj;
if ([query.queryDictionary objectForKey:kCSIO_Queryable] != nil) {
NSMutableDictionary *queriesDictionary = [query.queryDictionary objectForKey:kCSIO_Queryable];
[queriesDictionary removeObjectForKey:kCSIO_HTTPMethod];
[queriesArray addObject:queriesDictionary];
} else {
NSMutableDictionary *queriesDictionary = query.queryDictionary;
[queriesDictionary removeObjectForKey:kCSIO_HTTPMethod];
[queriesArray addObject:queriesDictionary];
}
}];
[self prepareQuerywithOperation:operation subKey:nil forKey:kCSIO_Queryable withObject:queriesArray];
}
// This method prepares nested query response body.
- (void)prepareQuerywithOperation:(NSString *)operation subKey:(NSString *)subKey forKey:(NSString *)key withObject:(id)object {
if (key==nil) { return; }
if ([key isEqualToString:kCSIO_Queryable]) {
if ([self.queryDictionary objectForKey:kCSIO_Queryable] != nil) {
if (subKey != nil) {
if ([[self.queryDictionary objectForKey:kCSIO_Queryable] objectForKey:subKey] != nil) {
//subkey not in dictionary
//key already in dictionary
if ([operation isEqualToString:kCSIO_ContainedIn] || [operation isEqualToString:kCSIO_NotContainedIn]) {
if ([[[self.queryDictionary objectForKey:kCSIO_Queryable] objectForKey:subKey] objectForKey:operation] != nil) {
NSArray *objectArray = [object isKindOfClass:[NSArray class]] == true ? (NSArray *)object : nil;
if (![objectArray isKindOfClass:[NSNull class]]) {
[objectArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[(NSMutableArray *)[[[self.queryDictionary objectForKey:kCSIO_Queryable] objectForKey:subKey] objectForKey:operation] addObject:obj];
}];
} else {
[(NSMutableArray *)[[[self.queryDictionary objectForKey:kCSIO_Queryable] objectForKey:subKey] objectForKey:operation] addObject:object];
}
} else {
NSMutableArray *incArray = [NSMutableArray arrayWithArray:object];
[incArray addObject:object];
NSMutableDictionary *includeDict = [NSMutableDictionary dictionary];
[includeDict setObject:incArray forKey:operation];
[[[self.queryDictionary objectForKey:kCSIO_Queryable] objectForKey:subKey] setObject:incArray forKey:operation];
}
} else {
if (operation != nil) {
NSMutableDictionary *includeDict = [NSMutableDictionary dictionary];
[includeDict setObject:object forKey:operation];
[[self.queryDictionary objectForKey:kCSIO_Queryable] setObject:includeDict forKey:subKey];
}else {
[[self.queryDictionary objectForKey:kCSIO_Queryable] setObject:object forKey:subKey];
}
}
} else {
//subkey not in dictionary
if ([operation isEqualToString:kCSIO_ContainedIn] || [operation isEqualToString:kCSIO_NotContainedIn]){
NSMutableArray *incArray = [NSMutableArray array];
NSArray *objectArray = [object isKindOfClass:[NSArray class]] == true ? (NSArray *)object : nil;
if (![objectArray isKindOfClass:[NSNull class]]) {
[objectArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[incArray addObject:obj];
}];
} else {
[incArray addObject:object];
}
NSMutableDictionary *includeDict = [NSMutableDictionary dictionary];
[includeDict setObject:incArray forKey:operation];
NSMutableDictionary *queryableDict = [NSMutableDictionary dictionary];
[queryableDict setObject:includeDict forKey:subKey];
[[self.queryDictionary objectForKey:key] setObject:includeDict forKey:subKey];
} else {
if (operation != nil) {
NSMutableDictionary *includeDict = [NSMutableDictionary dictionary];
[includeDict setObject:object forKey:operation];
[[self.queryDictionary objectForKey:kCSIO_Queryable] setObject:includeDict forKey:subKey];
} else {
[[self.queryDictionary objectForKey:kCSIO_Queryable] setObject:object forKey:subKey];
}
}
}
} else {
[[self.queryDictionary objectForKey:kCSIO_Queryable]setObject:object forKey:operation];
}
} else {
//if kCSIO_Queryable is not present
if ([operation isEqualToString:kCSIO_ContainedIn] || [operation isEqualToString:kCSIO_NotContainedIn]) {
NSMutableArray *incArray = [NSMutableArray array];
NSArray *objectArray = [object isKindOfClass:[NSArray class]] == true ? (NSArray *)object : nil;
if (![objectArray isKindOfClass:[NSNull class]]) {
[objectArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[incArray addObject:obj];
}];
} else {
[incArray addObject:object];
}
NSMutableDictionary *includeDict = [NSMutableDictionary dictionary];
[includeDict setObject:incArray forKey:operation];
NSMutableDictionary *queryableDict = [NSMutableDictionary dictionary];
[queryableDict setObject:includeDict forKey:subKey];
[self.queryDictionary setObject:queryableDict forKey:kCSIO_Queryable];
} else {
if (subKey == nil) {
NSMutableDictionary *secondLeveldict = [NSMutableDictionary dictionary];
[secondLeveldict setObject:object forKey:operation];// OR dictionary
[self.queryDictionary setObject:secondLeveldict forKey:kCSIO_Queryable];
} else {
if (operation != nil) {
NSMutableDictionary *secondLeveldict = [NSMutableDictionary dictionary];
[secondLeveldict setObject:object forKey:operation];
NSMutableDictionary *firstLeveldict = [NSMutableDictionary dictionary];
[firstLeveldict setObject:secondLeveldict forKey:subKey];
[self.queryDictionary setObject:firstLeveldict forKey:kCSIO_Queryable];
} else {
NSMutableDictionary *firstLeveldict = [NSMutableDictionary dictionary];
[firstLeveldict setObject:object forKey:subKey];
[self.queryDictionary setObject:firstLeveldict forKey:kCSIO_Queryable];
}
}
}
}
} else if([key isEqualToString:@"where"]) {
if ([self.queryDictionary objectForKey:@"where"] != nil) {
[[self.queryDictionary objectForKey:@"where"] setObject:object forKey:subKey];
} else {
NSMutableDictionary *whereSubDict = [NSMutableDictionary dictionary];
[whereSubDict setObject:object forKey:subKey];
[self.queryDictionary setObject:whereSubDict forKey:@"where"];
}
}
}
//MARK: Execute Query -
- (void)find:(void (^) (ResponseType type,QueryResult * BUILT_NULLABLE_P result,NSError * BUILT_NULLABLE_P error))completionBlock {
[self.queryDictionary setObject:self.contentType.stack.environment forKey:kCSIO_Environment];
NSMutableDictionary *paramDictionary = [NSMutableDictionary dictionaryWithDictionary:self.queryDictionary];
NSMutableDictionary *headers = [NSMutableDictionary dictionaryWithDictionary:self.contentType.headers];
[headers addEntriesFromDictionary:self.localHeaders];
NSString *path = [CSIOAPIURLs fetchContentTypeEntriesQueryURLWithUID:[self.contentType name] withVersion:self.contentType.stack.version];
NSURLSessionDataTask *op = [self.contentType.stack.network requestForStack:self.contentType.stack withURLPath:path requestType:CSIOCoreNetworkingRequestTypeGET params:paramDictionary additionalHeaders:headers cachePolicy:self.cachePolicy completion:^(ResponseType responseType, id responseJSON, NSError *error) {
if (error) {
completionBlock(responseType, nil, error);
}else {
QueryResult *queryResult = [[QueryResult alloc] initWithContentType:self.contentType objectDictionary:responseJSON];
completionBlock(responseType, queryResult, nil);
}
}];
if (op && ![op isKindOfClass:[NSNull class]]) {
[self.requestOperationSet addObject:op];
}
}
//MARK: Execute Query -
- (void)findTaxonomy:(void (^) (ResponseType type,QueryResult * BUILT_NULLABLE_P result,NSError * BUILT_NULLABLE_P error))completionBlock {
[self.queryDictionary setObject:self.taxonomy.stack.environment forKey:kCSIO_Environment];
NSMutableDictionary *paramDictionary = [NSMutableDictionary dictionaryWithDictionary:self.queryDictionary];
NSMutableDictionary *headers = [NSMutableDictionary dictionaryWithDictionary:self.taxonomy.headers];
[headers addEntriesFromDictionary:self.localHeaders];
NSString *path = [CSIOAPIURLs fetchTaxonomyWithVersion:self.taxonomy.stack.version];
NSURLSessionDataTask *op = [self.taxonomy.stack.network requestForStack:self.taxonomy.stack withURLPath:path requestType:CSIOCoreNetworkingRequestTypeGET params:paramDictionary additionalHeaders:headers cachePolicy:self.cachePolicy completion:^(ResponseType responseType, id responseJSON, NSError *error) {
if (error) {
completionBlock(responseType, nil, error);
}else {
QueryResult *queryResult = [[QueryResult alloc] initWithTaxonomy:self.taxonomy objectDictionary:responseJSON];
completionBlock(responseType, queryResult, nil);
}
}];
if (op && ![op isKindOfClass:[NSNull class]]) {
[self.requestOperationSet addObject:op];
}
}
- (void)findOne:(void (^) (ResponseType type,Entry * BUILT_NULLABLE_P entry,NSError * BUILT_NULLABLE_P error))completionBlock {
[self.queryDictionary setObject:@(1) forKey:kCSIO_Limit];
[self.queryDictionary setObject:self.contentType.stack.environment forKey:kCSIO_Environment];
NSMutableDictionary *paramDictionary = [NSMutableDictionary dictionaryWithDictionary:self.queryDictionary];
[self.queryDictionary removeObjectForKey:kCSIO_Limit];
NSMutableDictionary *headers = [NSMutableDictionary dictionaryWithDictionary:self.contentType.headers];
[headers addEntriesFromDictionary:self.localHeaders];
NSString *path = [CSIOAPIURLs fetchContentTypeEntriesQueryURLWithUID:[self.contentType name] withVersion:self.contentType.stack.version];
NSURLSessionDataTask *op = [self.contentType.stack.network requestForStack:self.contentType.stack withURLPath:path requestType:CSIOCoreNetworkingRequestTypeGET params:paramDictionary additionalHeaders:headers cachePolicy:self.cachePolicy completion:^(ResponseType responseType, id responseJSON, NSError *error) {
if (error) {
completionBlock(responseType, nil, error);
}else {
QueryResult *queryResult = [[QueryResult alloc] initWithContentType:self.contentType objectDictionary:responseJSON];
if ([queryResult getResult].count) {
Entry *firstEntry = (Entry*)[[queryResult getResult] firstObject];
completionBlock(responseType, firstEntry, nil);
}else {
completionBlock(responseType, nil, nil);
}
}
}];
if (op && ![op isKindOfClass:[NSNull class]]) {
[self.requestOperationSet addObject:op];
}
}
//MARK: - Cancel request -
- (void)cancelRequests {
[self.requestOperationSet enumerateObjectsUsingBlock:^(NSURLSessionDataTask *op, BOOL *stop) {
[op cancel];
}];
}
//MARK: - Description -
- (NSString *)description {
NSString *descr = [NSString stringWithFormat:@"%@ \r %@", [super description], self.queryDictionary];
return descr;
}
@end