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UGQuery.m
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UGQuery.m
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#import "UGQuery.h"
#import "UGHTTPManager.h"
@implementation UGQuery
{
NSMutableArray *m_requirements;
NSMutableString *m_urlTerms;
}
-(id)init
{
self = [super init];
if ( self )
{
m_requirements = [NSMutableArray new];
m_urlTerms = [NSMutableString new];
}
return self;
}
-(void)setConsumer: (NSString *)consumer
{
[self addURLTerm:@"consumer" equals:consumer];
}
-(void)setLastUUID: (NSString *)lastUUID
{
[self addURLTerm:@"last" equals:lastUUID];
}
-(void)setTime: (long)time
{
NSMutableString *str = [NSMutableString new];
[str appendFormat:@"%ld", time];
[self addURLTerm:@"time" equals:str];
}
-(void)setPrev: (int)prev
{
NSMutableString *str = [NSMutableString new];
[str appendFormat:@"%d", prev];
[self addURLTerm:@"prev" equals:str];
}
-(void)setNext: (int)next
{
NSMutableString *str = [NSMutableString new];
[str appendFormat:@"%d", next];
[self addURLTerm:@"next" equals:str];
}
-(void)setLimit: (int)limit
{
NSMutableString *str = [NSMutableString new];
[str appendFormat:@"%d", limit];
[self addURLTerm:@"limit" equals:str];
}
-(void)setPos: (NSString *)pos
{
[self addURLTerm:@"pos" equals:pos];
}
-(void)setUpdate: (BOOL)update
{
if ( update )
{
[self addURLTerm:@"update" equals:@"true"];
}
else
{
[self addURLTerm:@"update" equals:@"false"];
}
}
-(void)setSynchronized: (BOOL)synchronized
{
if ( synchronized )
{
[self addURLTerm:@"synchronized" equals:@"true"];
}
else
{
[self addURLTerm:@"synchronized" equals:@"false"];
}
}
-(void)addURLTerm: (NSString *)urlTerm equals:(NSString *)equals
{
// ignore anything with a nil
if ( !urlTerm ) return;
if ( !equals ) return;
// escape the strings
NSString *escapedUrlTerm = [UGHTTPManager escapeSpecials:urlTerm];
NSString *escapedEquals = [UGHTTPManager escapeSpecials:equals];
// add it in
if ( [m_urlTerms length] > 0 )
{
// we already have some terms. Append an & before continuing
[m_urlTerms appendFormat:@"&"];
}
[m_urlTerms appendFormat:@"%@=%@", escapedUrlTerm, escapedEquals];
}
-(void)addRequiredOperation: (NSString *)term op:(int)op valueStr:(NSString *)valueStr
{
// disregard invalid values
if ( !term ) return;
if ( !valueStr ) return;
NSString *opStr = [self getOpStr: op];
if ( !opStr ) return; // nil opStr means they sent in an invalid op code
// assemble the requirement string
NSMutableString *assembled = [NSMutableString new];
[assembled appendFormat:@"%@ %@ '%@'", term, opStr, valueStr];
// add it as a req
[self addRequirement:assembled];
}
-(void)addRequiredOperation: (NSString *)term op:(int)op valueInt:(int) valueInt
{
// disregard invalid values
if ( !term ) return;
NSString *opStr = [self getOpStr: op];
if ( !opStr ) return; // nil opStr means they sent in an invalid op code
// assemble the requirement string
NSMutableString *assembled = [NSMutableString new];
[assembled appendFormat:@"%@ %@ %d", term, opStr, valueInt];
// add it as a req
[self addRequirement:assembled];
}
-(void)addRequiredContains: (NSString *)term value:(NSString *)value
{
// disregard invalid values
if ( !term ) return;
if ( !value ) return;
// assemble the requirement string
NSMutableString *assembled = [NSMutableString new];
[assembled appendFormat:@"%@ contains '%@'", term, value];
// add it as a req
[self addRequirement:assembled];
}
-(void)addRequiredIn:(NSString *)term low:(int)low high:(int)high
{
// disregard invalid values
if ( !term ) return;
// assemble the requirement string
NSMutableString *assembled = [NSMutableString new];
[assembled appendFormat:@"%@ in %d,%d", term, low, high];
// add it as a req
[self addRequirement:assembled];
}
-(void)addRequiredWithin:(NSString *)term latitude:(float)latitude longitude:(float)longitude distance:(float)distance;
{
// disregard invalid values
if ( !term ) return;
// assemble the requirement string
NSMutableString *assembled = [NSMutableString new];
[assembled appendFormat:@"%@ within %f of %f,%f", term, distance, latitude, longitude];
// add it as a req
[self addRequirement:assembled];
}
-(void)addRequiredWithinLocation:(NSString *)term location:(CLLocation *)location distance:(float)distance
{
[self addRequiredWithin:term latitude:location.coordinate.latitude longitude:location.coordinate.longitude distance:distance];
}
-(void)addRequirement: (NSString *)requirement
{
// add the URL-ready requirement to our list
[m_requirements addObject:requirement];
}
-(NSString *)getURLAppend
{
// assemble a url append for all the requirements
// prep a mutable string
NSMutableString *ret = [NSMutableString new];
[ret setString:@"?"];
// true if we've put anything in the string yet.
BOOL bHasContent = NO;
// start with the ql term
if ( [m_requirements count] > 0 )
{
// if we're here, there are queries
// assemble a single string for the ql
NSMutableString *ql = [NSMutableString new];
for ( int i=0 ; i<[m_requirements count] ; i++ )
{
if ( i>0 )
{
// connect terms
[ql appendFormat:@" and "];
}
[ql appendFormat:@"%@", [m_requirements objectAtIndex:i]];
}
// escape it
NSString *escapedQL = [UGHTTPManager escapeSpecials:ql];
[ret appendFormat:@"ql=%@", escapedQL];
bHasContent = YES;
}
if ( [m_urlTerms length] > 0 )
{
if ( bHasContent )
{
[ret appendFormat:@"&%@", m_urlTerms];
}
else
{
[ret appendFormat:@"%@", m_urlTerms];
}
bHasContent = YES;
}
if ( !bHasContent )
{
// no content
return @"";
}
// all prepared
return ret;
}
// Internal function
-(NSString *)getOpStr:(int)op
{
switch (op)
{
case kUGQueryOperationEquals: return @"=";
case kUGQueryOperationGreaterThan: return @">";
case kUGQueryOperationGreaterThanOrEqualTo: return @">=";
case kUGQueryOperationLessThan: return @"<";
case kUGQueryOperationLessThanOrEqualTo: return @"<=";
}
return nil;
}
@end