AFN 二次封装

时间:2023-03-09 08:08:15
AFN 二次封装

#import "YQDataManager.h"

#import <YYModel/YYModel.h>

#pragma mark - 数据model基类

@implementation YQListBaseModel

+ (NSDictionary *)modelCustomPropertyMapper

{

return @{};

}

@end

@implementation YQDataBaseModel

+ (NSDictionary *)modelCustomPropertyMapper

{

return @{};

}

@end

@implementation YQBaseModel

+ (NSDictionary *)modelCustomPropertyMapper

{

return @{};

}

@end

#pragma mark - 网络请求基类

///请求类型类型

typedef NS_ENUM(NSUInteger, YQNetWorkType) {

YQNetWorkTypeGet,//get请求

YQNetWorkTypeHttpPost,//入参Http格式Post请求

YQNetWorkTypeJsonPost,//入参json格式Post请求

};

/**

*  请求重试计数器

*/

@interface RetryCounter : NSObject

//重试次数,默认30次

@property (nonatomic, assign) NSInteger retryCount;

//已重试的次数

@property (nonatomic, assign) NSInteger retryTime;

//重试时间间隔,默认100毫秒

@property (nonatomic, assign) NSTimeInterval retryInterval;

//计算器id

@property (nonatomic, assign) NSInteger counterId;

- (instancetype)initWithHash:(NSUInteger)hash;

- (BOOL)canRetry;

@end

@implementation RetryCounter

- (instancetype)initWithHash:(NSUInteger)hash

{

self = [super init];

//set default value

self.retryCount = 1;

self.retryInterval = 0.1;

self.counterId = hash;

return self;

}

/**

*  是否可以重试,如果是,则返回true,并且重试次数自增1.

*

*  @return 是否可以重试

*/

- (BOOL)canRetry {

BOOL result = (_retryTime < _retryCount);

if (result) {

_retryTime++;

}

return result;

}

@end

@interface YQDataManager ()

@property (nonnull, nonatomic, strong) NSMutableArray *retryCounterList;

@end

@implementation YQDataManager

/**

*  创建单例

*

*  @return return value description

*/

+ (YQDataManager *)manager {

static YQDataManager *sharedManager = nil;

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{

NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];

configuration.timeoutIntervalForRequest = 8.0;

configuration.timeoutIntervalForResource = 8.0;

/* 创建网络请求对象 */

sharedManager = [[YQDataManager alloc] initWithBaseURL:[NSURL URLWithString:BaseUrl] sessionConfiguration:configuration];

/* 设置请求和接收的数据编码格式 */

sharedManager.responseSerializer = [AFJSONResponseSerializer serializer]; // 设置接收数据为 JSON 数据

sharedManager.securityPolicy = [AFSecurityPolicy policyWithPinningMode:AFSSLPinningModeNone];

sharedManager.securityPolicy.allowInvalidCertificates = YES;

// 修改 解析数据格式 能够接受的内容类型 - 官方推荐的做法,民间做法:直接修改 AFN 的源代码

sharedManager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json",@"text/json",@"text/javascript", @"text/html",nil];

sharedManager.retryCounterList = [NSMutableArray array];

});

return sharedManager;

}

#pragma mark - helper

- (RetryCounter*)retryCounterForHash:(NSUInteger)hash

{

RetryCounter *target = nil;

for (RetryCounter *counter in _retryCounterList) {

if (counter.counterId == hash) {

target = counter;

break;

}

}

return target;

}

- (RetryCounter*)insertCounterWithHash:(NSUInteger)hash

{

RetryCounter *counter = [[RetryCounter alloc] initWithHash:hash];

[[YQDataManager manager].retryCounterList addObject:counter];

return counter;

}

- (void)removeCounterForHash:(NSUInteger)hash

{

RetryCounter *counter = [self retryCounterForHash:hash];

if (counter != nil) {

[_retryCounterList removeObject:counter];

}

}

#pragma mark - http process

/**

*  重试的方法

*/

+ (void)networkMananger:(YQDataManager *)manager

method:(YQNetWorkType)httpMethod

retryWithUrl:(NSString*)url

params:(NSDictionary*)param

success:(void(^)(id responseData))successBlock

failure:(void(^)(NSError *error))failureBlock {

RetryCounter *currentCounter = [[YQDataManager manager] retryCounterForHash:param.hash];

if (currentCounter == nil) {

//add to retry counter list

currentCounter = [[YQDataManager manager] insertCounterWithHash:param.hash];

}

BOOL retryFlag = [currentCounter canRetry];

//wait for 10ms

NSDate *endDate = [NSDate dateWithTimeIntervalSinceNow:currentCounter.retryInterval];

[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:endDate];

if (httpMethod == YQNetWorkTypeGet) {

[manager GET:url parameters:param progress:nil success:^(NSURLSessionDataTask *task, id responseData) {

successBlock(responseData);

//remove counter

[[YQDataManager manager] removeCounterForHash:param.hash];

} failure:^(NSURLSessionDataTask *task, NSError *error) {

if (retryFlag) {

//retry

[YQDataManager networkMananger:manager method:httpMethod retryWithUrl:url params:param success:successBlock failure:failureBlock];

} else {

failureBlock(error);

//remove counter

[[YQDataManager manager] removeCounterForHash:param.hash];

}

}];

}else if (httpMethod == YQNetWorkTypeJsonPost){

manager.requestSerializer = [AFJSONRequestSerializer serializer]; // 设置请求数据为 JSON 数据

[manager POST:url parameters:param progress:nil success:^(NSURLSessionDataTask *task, id responseData) {

successBlock(responseData);

//remove counter

[[YQDataManager manager] removeCounterForHash:param.hash];

} failure:^(NSURLSessionDataTask *task, NSError *error) {

if (retryFlag) {

//retry

[YQDataManager networkMananger:manager method:httpMethod retryWithUrl:url params:param success:successBlock failure:failureBlock];

} else {

failureBlock(error);

//remove counter

[[YQDataManager manager] removeCounterForHash:param.hash];

}

}];

}else{

manager.requestSerializer = [AFHTTPRequestSerializer serializer];

[manager POST:url parameters:param progress:nil success:^(NSURLSessionDataTask *task, id responseData) {

successBlock(responseData);

//remove counter

[[YQDataManager manager] removeCounterForHash:param.hash];

} failure:^(NSURLSessionDataTask *task, NSError *error) {

if (retryFlag) {

//retry

[YQDataManager networkMananger:manager method:httpMethod retryWithUrl:url params:param success:successBlock failure:failureBlock];

} else {

failureBlock(error);

//remove counter

[[YQDataManager manager] removeCounterForHash:param.hash];

}

}];

}

}

/**

*  网络请求的底层方法

*/

+ (void)networkProcessWithUrl:(NSString *)url

params:(NSDictionary *)aParams

method:(YQNetWorkType )httpMethod

modelClass:(Class)modelClass

responseBlock:(YQNetworkResult)respBlock

{

YQDataManager *manager = [YQDataManager manager];

NSString *fullPath = [NSString stringWithFormat:@"%@%@",manager.baseURL,url];

if (aParams) {

NSError *error;

NSData *jsonData = [NSJSONSerialization dataWithJSONObject:aParams options:0 error:&error];

NSString *jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];

NSLog(@"url : %@, param ==== %@", fullPath, jsonString);

}else{

NSLog(@"url : %@, param ==== %@", fullPath, aParams);

}

if (httpMethod == YQNetWorkTypeGet) {

if ([UserManager isLogin]) {

UserInfo *info=  [UserManager getUserObject];

NSDictionary *headerFieldValueDictionary = @{@"token":info.token, @"usercode":info.userCode};

if (headerFieldValueDictionary != nil) {

for (NSString *httpHeaderField in headerFieldValueDictionary.allKeys) {

NSString *value = headerFieldValueDictionary[httpHeaderField];

[manager.requestSerializer setValue:value forHTTPHeaderField:httpHeaderField];

}

}

}

[manager GET:fullPath parameters:aParams progress:nil success:^(NSURLSessionDataTask *task, id responseData) {

[YQDataManager successProcessWithModelClass:modelClass result:responseData block:respBlock];

} failure:^(NSURLSessionDataTask *task, NSError *error) {

[YQDataManager networkMananger:manager method:httpMethod  retryWithUrl:url params:aParams success:^(id respData) {

[YQDataManager successProcessWithModelClass:modelClass result:respData block:respBlock];

} failure:^(NSError *error) {

[YQDataManager failureProcess:error block:respBlock];

}];

}];

} else if (httpMethod == YQNetWorkTypeJsonPost) {

if ([UserManager isLogin]) {

UserInfo *info=  [UserManager getUserObject];

NSDictionary *headerFieldValueDictionary = @{@"token":info.token, @"userMobile":info.userMobile};

if (headerFieldValueDictionary != nil) {

for (NSString *httpHeaderField in headerFieldValueDictionary.allKeys) {

NSString *value = headerFieldValueDictionary[httpHeaderField];

[manager.requestSerializer setValue:value forHTTPHeaderField:httpHeaderField];

}

}

}

manager.requestSerializer = [AFJSONRequestSerializer serializer]; // 设置请求数据为 JSON 数据

[manager POST:fullPath parameters:aParams progress:nil success:^(NSURLSessionDataTask *task, id responseData) {

[YQDataManager successProcessWithModelClass:modelClass result:responseData block:respBlock];

} failure:^(NSURLSessionDataTask *task, NSError *error) {

[YQDataManager networkMananger:manager method:httpMethod  retryWithUrl:url params:aParams success:^(id respData) {

[YQDataManager successProcessWithModelClass:modelClass result:respData block:respBlock];

} failure:^(NSError *error) {

[YQDataManager failureProcess:error block:respBlock];

}];

}];

}else{

manager.requestSerializer = [AFHTTPRequestSerializer serializer];

[manager POST:fullPath parameters:aParams progress:nil success:^(NSURLSessionDataTask *task, id responseData) {

[YQDataManager successProcessWithModelClass:modelClass result:responseData block:respBlock];

} failure:^(NSURLSessionDataTask *task, NSError *error) {

[YQDataManager networkMananger:manager method:httpMethod  retryWithUrl:url params:aParams success:^(id respData) {

[YQDataManager successProcessWithModelClass:modelClass result:respData block:respBlock];

} failure:^(NSError *error) {

[YQDataManager failureProcess:error block:respBlock];

}];

}];

}

}

/**

*  接口请求成功返回

*/

+ (void)successProcessWithModelClass:(Class)modelClass

result:(id)responseData

block:(YQNetworkResult)block

{

NSData *jsonData = [NSJSONSerialization dataWithJSONObject:responseData options:NSJSONWritingPrettyPrinted error:nil];

NSString *jsonStr = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];

NSLog(@"====%@",jsonStr);

if (!block) {

return;

}

//model

if (modelClass == nil) {

if (block) {

block(YES, nil, responseData);

}

} else {

YQBaseModel *item = [YQBaseModel yy_modelWithJSON:responseData];

if ([item.status isEqualToString:@"SUCCESS"]) {//返回成功状态

if ([item.data isKindOfClass:[NSDictionary class]]) {

id model = [modelClass yy_modelWithJSON:item.data];

if (block) {

block(YES, item, model);

}

}else{

if (item.data) {

NSDictionary *josnDic = @{@"data":item.data };

id model = [modelClass yy_modelWithJSON:josnDic];

if (block) {

block(YES, item, model);

}

}else{

if (block) {

block(YES, item, nil);

}

}

}

}else{//返回失败状态

if (block) {

NSError *error = [YQDataManager errorWithDescription:item.message cede:item.code];

block(NO, item, error);

}

}

}

}

/**

*  接口请求失败无返回

*/

+ (void)failureProcess:(NSError *)error block:(YQNetworkResult)block

{

NSLog(@"error: %@,userInfo = %@",error, [error userInfo]);

if (block) {

block(NO, nil, error);

}

}

/**

*  get方式请求调用方法

*/

+ (void)getDataWithUrl:(NSString *)url

Params:(NSDictionary *)params

modelClass:(Class)modelClass

responseBlock:(YQNetworkResult)respBlock

{

[YQDataManager networkProcessWithUrl:url params:params method:YQNetWorkTypeGet modelClass:modelClass responseBlock:respBlock];

}

/**

*  post 请求调用方式 入参Json请求数据

*/

+ (void)postDataJsonRequestWithUrl:(NSString *)url

Params:(NSDictionary *)params

modelClass:(Class)modelClass

responseBlock:(YQNetworkResult)respBlock

{

[YQDataManager networkProcessWithUrl:url params:params method:YQNetWorkTypeJsonPost modelClass:modelClass responseBlock:respBlock];

}

/**

*  post 请求调用方法 入参Http请求数据

*/

+ (void)postDataHttpRequestWithUrl:(NSString *)url

Params:(NSDictionary *)params

modelClass:(Class)modelClass

responseBlock:(YQNetworkResult)respBlock

{

[YQDataManager networkProcessWithUrl:url params:params method:YQNetWorkTypeHttpPost modelClass:modelClass responseBlock:respBlock];

}

#pragma mark - Utils

/**

*  请求成功返回失败状态时创建错误返回

*/

+ (NSError*)errorWithDescription:(NSString *)errorMsg cede:(NSInteger)code

{

NSString *msg = errorMsg;

if (msg == nil) {

msg = @"未知错误";

code = 22222;

}

NSDictionary *userInfo = @{NSLocalizedDescriptionKey: msg};

NSError *error = [NSError errorWithDomain:@"dongze" code:code userInfo:userInfo];

return error;

}

@end