iOS 好友请求列表数据库处理

// NewFriendsDBModel.h

// HengTaiXinGolf

// Created by 欧阳荣 on 16/7/7.

#import <Foundation/Foundation.h>

#import "FMDB.h"

#import "NewFriendModel.h"

@interface NewFriendsDBModel : NSObject

@property (nonatomic,strong) FMDatabase * dataBaseNew;

+(NewFriendsDBModel *) sharedInstance;

-(void)openDatabaseWithMemberId:(NSString *)memberId;

-(NSMutableDictionary*)loadAllNewFriendModel;

-(BOOL)addNewFriendsModel:(NewFriendModel *)model;

-(NSInteger)addAllNewFriendsModel:(NSArray *)NewArr;

-(void)updateNewFriendsModel:(NewFriendModel *)model;

-(void)updateAddWayState:(int)state ofMemberId:(NSString *)memberId;

//删除好友请求

-(void)deleteNewFriendModel:(NSString *)memberId;

//- (void)deleteSession:(NSString*)sessionId;

// 查询本地数据库排序好的

-(NSArray *)getAllModelOrderArr;

@end

// NewFriendsDBModel.m

// HengTaiXinGolf

// Created by 欧阳荣 on 16/7/7.

#import "NewFriendsDBModel.h"

#define NEWFRIENDSDB @"NewFriendsDB"

@implementation NewFriendsDBModel

+(NewFriendsDBModel *)sharedInstance{

static NewFriendsDBModel * newFriDBManager;

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{

newFriDBManager = [[NewFriendsDBModel alloc]init];

});

return newFriDBManager;

}

#pragma mark -------------根据不同的memberId来创建不同的数据库表---------------------

-(void)openDatabaseWithMemberId:(NSString *)memberId{

if (memberId.length == 0) {

return;

}

// Documents 路径

NSArray * paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);

// memberID md5

const char * cStr = [memberId UTF8String];

unsigned char result[16];

CC_MD5(cStr, (CC_LONG)strlen(cStr), result);

NSString* MD5 = [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7],result[8], result[9], result[10], result[11],result[12], result[13], result[14], result[15]];

//md5 加密数据库文件路径

NSString * documentsDirectory = [[paths objectAtIndex:0]stringByAppendingPathComponent:MD5];

NSFileManager *fileManager = [NSFileManager defaultManager];

BOOL isDir = FALSE;

BOOL isDirExist = [fileManager fileExistsAtPath:documentsDirectory isDirectory:&isDir];

//判断路径是否存在，不存在就创建 ---- 都是YES 啊

if (!(isDirExist && isDir)) {

BOOL bCreateDir = [fileManager createDirectoryAtPath:documentsDirectory withIntermediateDirectories:YES attributes:nil error:nil];

if (!bCreateDir) {

NSLog(@"创建数据库路径失败");

}

DSLog(@"创建数据库路径成功：%@",documentsDirectory);

}

NSString * dbPath = [documentsDirectory stringByAppendingPathComponent:@"NewFriendsDBModel.db"];

if (self.dataBaseNew) {

[self.dataBaseNew close];

self.dataBaseNew = nil;

}

self.dataBaseNew = [FMDatabase databaseWithPath:dbPath];

[self.dataBaseNew open];

[self NewFriendsDBTableCreate];

}

#pragma mark 在表中创建 NewFriendsDB 字段保存新的好友请求信息

- (void)NewFriendsDBTableCreate {

[self createTable:@"NewFriendsDB" sql:@"CREATE table NewFriendsDB (memberId TEXT NOT NULL PRIMARY KEY UNIQUE ON CONFLICT REPLACE, regdate TEXT,memberNick TEXT,memberNickImg TEXT,memberMobile TEXT,addWay INTEGER,isRead INTEGER,requestMessage TEXT,fNo INTEGER)"];

}

// 创建表

- (void) createTable:(NSString*)tableName sql:(NSString *)createSql {

BOOL isExist = [self.dataBaseNew tableExists:tableName];

if (!isExist) {

[self.dataBaseNew executeUpdate:createSql];

}

//intForColumn:

//longForColumn:

//longLongIntForColumn:

//boolForColumn:

//doubleForColumn:

//stringForColumn:

//dateForColumn:

//dataForColumn:

//dataNoCopyForColumn:

//UTF8StringForColumnIndex:

//objectForColumn:

- (NSMutableDictionary *)loadAllNewFriendModel {

NSMutableDictionary * sessionDictionay = [NSMutableDictionary dictionary];

FMResultSet *rs = [self.dataBaseNew executeQuery:@"SELECT memberId, regdate, memberNick, memberNickImg, memberMobile, addWay,isRead, requestMessage ,fNo FROM NewFriendsDB"];//ORDER BY regdate DESC

while ([rs next]) {

NSString * memberId = [rs stringForColumnIndex:0];

if (memberId.length>0) {

NewFriendModel* session = [[NewFriendModel alloc] init];

int columnIndex = 0;

session.memberId = [rs stringForColumnIndex:columnIndex]; columnIndex++;

session.regdate = [rs stringForColumnIndex:columnIndex]; columnIndex++;

// session.regdate = [rs dateForColumnIndex:columnIndex]; columnIndex ++;

session.memberNick = [rs stringForColumnIndex:columnIndex]; columnIndex++;

session.memberNickImg = [rs stringForColumnIndex:columnIndex]; columnIndex++;

session.memberMobile = [rs stringForColumnIndex:columnIndex]; columnIndex++;

session.addWay = [rs intForColumnIndex:columnIndex]; columnIndex++;

session.isRead = [rs intForColumnIndex:columnIndex]; columnIndex++;

session.requestMessage = [rs stringForColumnIndex:columnIndex]; columnIndex++;

session.fNo = [rs intForColumnIndex:columnIndex]; columnIndex++;

[sessionDictionay setObject:session forKey:memberId];

// [self updateMessageStateFailedAndSessionId:sessionid];

}

[rs close];

return sessionDictionay;

}

-(NSArray*)getAllModelArr{

NSDictionary * _allNewFriDict = nil;

if (!_allNewFriDict){

_allNewFriDict = [self loadAllNewFriendModel];

}

return [_allNewFriDict.allValues sortedArrayUsingComparator:

^(NewFriendModel *obj1, NewFriendModel* obj2){

NSComparisonResult result = [obj1.regdate compare:obj2.regdate];

// NSLog(@"date1 : %@, date2 : %@", oneDay, anotherDay);

return result;

}];

}

-(NSArray *)getAllModelOrderArr{

NSArray * newFriendArr1 = [self getAllModelArr];

NSArray * newFriendArr2 = [NSArray array];

newFriendArr2 = [[newFriendArr1 reverseObjectEnumerator] allObjects];

return newFriendArr2;

}

-(BOOL)addNewFriendsModel:(NewFriendModel *)model{

return [self.dataBaseNew executeUpdate:@"INSERT INTO NewFriendsDB(memberId, regdate, memberNick, memberNickImg, memberMobile, addWay,isRead,requestMessage,fNo) VALUES(?,?,?,?,?,?,?,?,?)",model.memberId,model.regdate,model.memberNick,model.memberNickImg,model.memberMobile,@(model.addWay),@(model.isRead),model.requestMessage,@(model.fNo)];

}

#pragma mark 把好友请求列表都添加进去

-(NSInteger)addAllNewFriendsModel:(NSArray *)NewArr{

NSInteger i = 0 ;

for (NewFriendModel * model in NewArr) {

if ([self addNewFriendsModel:model]) {

i ++;

}

return i ;

}

-(void)updateNewFriendsModel:(NewFriendModel *)model{

BOOL UPDATE = NO;

UPDATE = [self.dataBaseNew executeUpdate:@"INSERT INTO NewFriendsDB(memberId, regdate, memberNick, memberNickImg, memberMobile, addWay,isRead,requestMessage,fNo) VALUES(?,?,?,?,?,?,?,?,?)",model.memberId,model.regdate,model.memberNick,model.memberNickImg,model.memberMobile,@(model.addWay),@(model.isRead),model.requestMessage,@(model.fNo)];

if (UPDATE) {

DSLog(@"新的好友请求数据更新成功");

}

-(void)updateAddWayState:(int)state ofMemberId:(NSString *)memberId{

BOOL UpdateAddWay = NO;

NSString *updateSql = [NSString stringWithFormat:

@"UPDATE '%@' SET addWay = %d WHERE memberId = '%@'",

NEWFRIENDSDB,state,memberId];

// UpdateAddWay = [self.dataBaseNew executeUpdate:@"UPDATE NewFriendsDB SET addWay = %d WHERE memberId = '%@'",state,memberId];

UpdateAddWay = [self.dataBaseNew executeUpdate:updateSql];

if (UpdateAddWay) {

DSLog(@" -- UpdateAddWay 更新成功");

}

-(void)deleteNewFriendModel:(NSString *)memberId{

BOOL UPDATE = NO;

UPDATE = [self.dataBaseNew executeUpdate:@"DELETE FROM NewFriendsDB WHERE memberId = ?",memberId]

;

if (UPDATE) {

// DSLog(@" 删除拒绝新的好友请求数据更新成功");

}

@end

iOS 好友请求列表数据库处理

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