Created
September 4, 2012 16:44
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contact search
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- (NSArray *)searchForContacts:(NSString *)searchString { | |
NSArray *searchWords = [searchString componentsSeparatedByString:@" "]; | |
NSMutableString *query = [NSMutableString stringWithString:selectColumnsClause]; | |
[query appendString:@"WHERE "]; | |
BOOL isFirst = YES; | |
NSMutableArray *arguments = [NSMutableArray array]; | |
for (NSString *word in searchWords) { | |
if ([word length] > 0) { | |
NSString *searchWord = [word lowercaseString]; | |
if (!isFirst) { | |
[query appendString:@" AND "]; | |
} | |
else { | |
isFirst = NO; | |
} | |
NSArray *fields = [NSArray arrayWithObjects:@"first_name", @"last_name", @"company", @"job_title", nil]; | |
[query appendString:@"("]; | |
for (NSString *field in fields) { | |
[query appendString:[NSString stringWithFormat:@"(lower(%@) >= ? AND lower(%@) < ?||'z') OR ", field, field]]; | |
[arguments addObject:searchWord]; | |
[arguments addObject:searchWord]; | |
} | |
[query replaceCharactersInRange:NSMakeRange([query length] - 4, 4) withString:@")"]; | |
} | |
} | |
[query appendString:@" ORDER BY lower(last_name) LIMIT 5"]; | |
__block NSArray *contacts; | |
[[DBManager sharedInstance] runDBCommands:^(FMDatabase *db) { | |
FMResultSet *rs = [db executeQuery:query withArgumentsInArray:arguments]; | |
contacts = [self contactsFromRS:rs]; | |
}]; | |
return contacts; | |
} |
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