DIOSUser.m

//
//  DIOSUser.m
//
// ***** BEGIN LICENSE BLOCK *****
// Version: MPL 1.1/GPL 2.0
//
// The contents of this file are subject to the Mozilla Public License Version
// 1.1 (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.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
// for the specific language governing rights and limitations under the
// License.
//
// The Original Code is Kyle Browning, released June 27, 2010.
//
// The Initial Developer of the Original Code is
// Kyle Browning
// Portions created by the Initial Developer are Copyright (C) 2010
// the Initial Developer. All Rights Reserved.
//
// Contributor(s):
//
// Alternatively, the contents of this file may be used under the terms of
// the GNU General Public License Version 2 or later (the "GPL"), in which
// case the provisions of the GPL are applicable instead of those above. If
// you wish to allow use of your version of this file only under the terms of
// the GPL and not to allow others to use your version of this file under the
// MPL, indicate your decision by deleting the provisions above and replacing
// them with the notice and other provisions required by the GPL. If you do
// not delete the provisions above, a recipient may use your version of this
// file under either the MPL or the GPL.
//
// ***** END LICENSE BLOCK *****

#import "DIOSUser.h"
#import "DIOSSession.h"
#import "DIOSSystem.h"

@implementation DIOSUser

static NSInteger anonymous_user = 0;
static NSUInteger USERNAME_MAX_LENGTH = 60;

#pragma mark UserGets
+ (void)userGet:(NSDictionary *)user
        success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
        failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSString *path = [NSString stringWithFormat:@"%@/%@/%@", kDiosEndpoint, kDiosBaseUser, [user objectForKey:@"uid"]];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"GET"
                                                        params:user
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] GET:path parameters:user success:success failure:failure];
    }
}


#pragma mark userSaves
+ (void)userSave:(NSDictionary *)user
         success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
         failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSString *path = [NSString stringWithFormat:@"%@/%@", kDiosEndpoint, kDiosBaseUser];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"POST"
                                                        params:user
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] POST:path parameters:user success:success failure:failure];
    }
}

#pragma mark userRegister
+ (void)userRegister:(NSDictionary *)user
             success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
             failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSString *path = [NSString stringWithFormat:@"%@/%@/register", kDiosEndpoint, kDiosBaseUser];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"POST"
                                                        params:user
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] POST:path parameters:user success:success failure:failure];
    }
}

#pragma mark userUpdate
+ (void)userUpdate:(NSDictionary *)user
           success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
           failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSString *path = [NSString stringWithFormat:@"%@/%@/%@", kDiosEndpoint, kDiosBaseUser, [user objectForKey:@"uid"]];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"PUT"
                                                        params:user
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] PUT:path parameters:user success:success failure:failure];
    }
}

#pragma mark UserDelete
+ (void)userDelete:(NSDictionary *)user
           success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
           failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSNumber* uid = [user objectForKey:@"uid"];
    if(!uid || [uid isEqualToNumber: [NSNumber numberWithInt:0]] || [uid isEqualToNumber: [NSNumber numberWithInt:1]])
        [NSException raise:@"Invalid value for user Id" format:@"You cannot delete user wit id: %d", [uid intValue]];
    
    NSString *path = [NSString stringWithFormat:@"%@/%@/%@", kDiosEndpoint, kDiosBaseUser, [user objectForKey:@"uid"]];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"DELETE"
                                                        params:user
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] DELETE:path parameters:user success:success failure:failure];
    }
}


#pragma mark userIndex
//Simpler method if you didnt want to build the params :)
+ (void)userIndexWithPage:(NSString *)page
                   fields:(NSString *)fields
               parameters:(NSArray *)parameteres
                 pageSize:(NSString *)pageSize
                  success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
                  failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure; {
    NSMutableDictionary *userIndexDict = [NSMutableDictionary new];
    [userIndexDict setValue:page forKey:@"page"];
    [userIndexDict setValue:fields forKey:@"fields"];
    [userIndexDict setValue:parameteres forKey:@"parameters"];
    [userIndexDict setValue:pageSize forKey:@"pagesize"];
    [self userIndex:userIndexDict success:success failure:failure];
}

+ (void)userIndex:(NSDictionary *)params
          success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
          failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSString *path = [NSString stringWithFormat:@"%@/%@", kDiosEndpoint, kDiosBaseUser];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"GET"
                                                        params:params
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] GET:path parameters:params success:success failure:failure];
    }
}

#pragma mark userLogin
+ (void)userLoginWithUsername:(NSString *)username andPassword:(NSString *)password
                      success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
                      failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSDictionary *params = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:username, password, nil] forKeys:[NSArray arrayWithObjects:@"username", @"password", nil]];
    
    NSString *path = [NSString stringWithFormat:@"%@/%@/login", kDiosEndpoint, kDiosBaseUser];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"POST"
                                                        params:params
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] POST:path parameters:params success:success failure:failure];
    }
}
+ (void)userLogin:(NSDictionary *)user
          success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
          failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    [self userLoginWithUsername:[user objectForKey:@"name"]
                    andPassword:[user objectForKey:@"pass"]
                        success:success
                        failure:failure];
}

+ (void)userMakeSureUserIsLoggedInWithUsername:(NSString *)username
                                   andPassword:(NSString *)password
                                       success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
                                       failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    [DIOSSystem
     systemConnectwithSuccess:^(AFHTTPRequestOperation *op, id response) {
         
         NSDictionary* responseDict = response;
         
         if([[[responseDict objectForKey:@"user"]valueForKey:@"uid"]integerValue] == anonymous_user) {
             [DIOSUser userLoginWithUsername:username andPassword:password success:success failure:failure];
         }
         else if(![[[responseDict objectForKey:@"user"]valueForKey:@"name"] isEqualToString:username]){
             [DIOSUser
              userLogoutWithSuccessBlock:^(AFHTTPRequestOperation *op, id response) {
                  [self userMakeSureUserIsLoggedInWithUsername:username andPassword:password success:success failure:failure];
              }
              failure:failure];
         }
         else {
             success(op, response);
         }
     }
     failure:failure];
}

#pragma mark userLogout
+ (void)userLogoutWithSuccessBlock:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
                           failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure {
    
    NSString *path = [NSString stringWithFormat:@"%@/%@/logout", kDiosEndpoint, kDiosBaseUser];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"POST"
                                                        params:nil
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] POST:path parameters:nil success:success failure:failure];
    }
}

+ (void)userMakeSureUserIsLoggedOutWithSucess:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
                                      failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure
{
    
    
    [DIOSSystem
     systemConnectwithSuccess:^(AFHTTPRequestOperation *op, id response) {
         
         NSDictionary* responseDict = response;
         
         if([[[responseDict objectForKey:@"user"]valueForKey:@"uid"]integerValue] != anonymous_user)
             [DIOSUser userLogoutWithSuccessBlock:success failure:failure];
         
     }
     failure:failure];
}

+ (void)userSendPasswordRecoveryEmailWithEmailAddress: (NSString*) email
                                              success:(void (^)(AFHTTPRequestOperation *operation, id responseObject)) success
                                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error)) failure
{
    NSString *path = [NSString stringWithFormat:@"%@/resetpassword/%@", kDiosEndpoint, email];
    
    if ([[DIOSSession sharedSession] signRequests]) {
        [[DIOSSession sharedSession] sendSignedRequestWithPath:path
                                                        method:@"POST"
                                                        params:nil
                                                       success:success
                                                       failure:failure];
    }
    else {
        [[DIOSSession sharedSession] POST:path parameters:nil success:success failure:failure];
    }
    
    
}


#pragma mark username validation
+ (BOOL)userValidateUserName:(NSString*)name error:(NSError**)error
{
    NSMutableDictionary* details = [[NSMutableDictionary alloc]init];
    
    if(name == nil)
        [details setValue:@"You must enter a username." forKey:@"NSLocalizedRecoverySuggestion"];
    
    if([name hasPrefix:@" "])
        [details setValue:@"The username cannot begin with a space." forKey:@"NSLocalizedRecoverySuggestion"];
    
    if([name hasSuffix:@" "])
        [details setValue:@"The username cannot end with a space." forKey:@"NSLocalizedRecoverySuggestion"];
    
    if([name rangeOfString:@"  "].location != NSNotFound)
        [details setValue:@"The username cannot contain multiple spaces in a row." forKey:@"NSLocalizedRecoverySuggestion"];
    
    NSString *stricterFilterString = @"[A-Z0-9a-z ]*";
    NSPredicate *stringTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", stricterFilterString];
    if(![stringTest evaluateWithObject:name])
        [details setValue:@"The username can only conatain lower- and upper case characters, numbers and spaces." forKey:@"NSLocalizedRecoverySuggestion"];
    
    if(name.length > USERNAME_MAX_LENGTH)
        [details setValue: [NSString stringWithFormat:@"The username %@ is too long: it must be %d characters or less.", name, USERNAME_MAX_LENGTH]  forKey:@"NSLocalizedRecoverySuggestion"];
    
    if([details objectForKey:@"NSLocalizedRecoverySuggestion"]) {
        
        [details setValue:@"Invalid value for username" forKey:NSLocalizedDescriptionKey];
        
        if (error != NULL)
            *error = [NSError errorWithDomain:@"username" code:400 userInfo:details];
        
        return NO;
    }
    
    return YES;
}

#pragma mark user email validation
+ (BOOL)userValidateUserEmail:(NSString*)email error:(NSError**)error
{
    NSMutableDictionary* details = [[NSMutableDictionary alloc]init];
    
    if(email == nil)
        [details setValue:@"You must enter an e-mail address." forKey:@"NSLocalizedRecoverySuggestion"];
    
    NSString *emailRegex =
    @"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"
    @"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"
    @"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-"
    @"z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\\[(?:(?:25[0-5"
    @"]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-"
    @"9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21"
    @"-\\x5a\\x53-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)\\])";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    
    if(![emailTest evaluateWithObject:email])
        [details setValue:[NSString stringWithFormat:@"The e-mail address %@ is not valid.", email] forKey:@"NSLocalizedRecoverySuggestion"];
    
    if([details objectForKey:@"NSLocalizedRecoverySuggestion"]) {
        
        [details setValue:@"Invalid value for email" forKey:NSLocalizedDescriptionKey];
        
        if (error != NULL)
            *error = [NSError errorWithDomain:@"email" code:400 userInfo:details];
        
        return NO;
    }
    
    return YES;
}
@end